====================================== | Ctrl-C stdout | ^C | WAIT TIMEOUT stdout | [ 4494.544790][ T2343] netdevsim netdevsim464 eni464np1: renamed from eth0 | [ 4494.664209][ T2344] netdevsim netdevsim705 eni705np1: renamed from eth1 [ 4671.042860][ T44] INFO: task modprobe:2403 blocked for more than 122 seconds. [ 4671.043564][ T44] Not tainted 6.17.0-virtme #1 [ 4671.043805][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 4671.044217][ T44] task:modprobe state:D stack:25584 pid:2403 tgid:2403 ppid:2337 task_flags:0x400100 flags:0x00080001 [ 4671.044759][ T44] Call Trace: [ 4671.044981][ T44] [ 4671.045126][ T44] __schedule (kernel/sched/core.c:5325 kernel/sched/core.c:6929) [ 4671.045438][ T44] ? io_schedule_timeout (kernel/sched/core.c:6785) [ 4671.045703][ T44] ? schedule (kernel/sched/core.c:6992 kernel/sched/core.c:7025) [ 4671.045881][ T44] ? __lock_release (kernel/locking/lockdep.c:5536) [ 4671.046179][ T44] schedule (kernel/sched/core.c:7012 kernel/sched/core.c:7026) [ 4671.046408][ T44] schedule_preempt_disabled (kernel/sched/core.c:7084) [ 4671.046707][ T44] rwsem_down_write_slowpath (kernel/locking/rwsem.c:1187) [ 4671.047027][ T44] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 4671.047265][ T44] ? down_read (kernel/locking/rwsem.c:1112) [ 4671.047588][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 4671.047895][ T44] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831) [ 4671.048167][ T44] ? rtnl_link_unregister (net/core/rtnetlink.c:655 net/core/rtnetlink.c:687) [ 4671.048429][ T44] down_write (./include/linux/err.h:70 kernel/locking/rwsem.c:1317 kernel/locking/rwsem.c:1326 kernel/locking/rwsem.c:1591) [ 4671.048655][ T44] ? rwsem_down_write_slowpath (kernel/locking/rwsem.c:1588) [ 4671.049035][ T44] ? cleanup_srcu_struct (kernel/rcu/srcutree.c:718) [ 4671.049307][ T44] rtnl_link_unregister (net/core/rtnetlink.c:655 net/core/rtnetlink.c:687) [ 4671.049551][ T44] ? __rtnl_unlock (net/core/rtnetlink.c:675) [ 4671.049789][ T44] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:939) [ 4671.050036][ T44] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:916) [ 4671.050286][ T44] nsim_module_exit (drivers/net/netdevsim/netdev.c:600) netdevsim [ 4671.050952][ T44] __do_sys_delete_module (kernel/module/main.c:836) [ 4671.051265][ T44] ? module_flags (kernel/module/main.c:778) [ 4671.051575][ T44] ? alloc_file_clone (fs/file_table.c:571) [ 4671.051891][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 4671.052187][ T44] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 4671.052455][ T44] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 4671.052838][ T44] RIP: 0033:0x7f6fdcb1d6eb [ 4671.053137][ T44] RSP: 002b:00007ffc82e0dd58 EFLAGS: 00000206 ORIG_RAX: 00000000000000b0 [ 4671.053512][ T44] RAX: ffffffffffffffda RBX: 000055d9e236ca90 RCX: 00007f6fdcb1d6eb [ 4671.053895][ T44] RDX: 0000000000000000 RSI: 0000000000000800 RDI: 000055d9e236caf8 [ 4671.054266][ T44] RBP: 000055d9e236ca90 R08: 0000000000000000 R09: 0000000000000000 [ 4671.054627][ T44] R10: 00007f6fdcbacac0 R11: 0000000000000206 R12: 000055d9e236caf8 [ 4671.054995][ T44] R13: 0000000000000000 R14: 000055d9e236caf8 R15: 00007ffc82e10088 | [ 4671.057373][ T44] 1 lock held by modprobe/2403: | [ 4671.057597][ T44] #0: ffffffff86a77f50 (pernet_ops_rwsem){++++}-{4:4}, at: rtnl_link_unregister (net/core/rtnetlink.c:655 net/core/rtnetlink.c:687) | [ 4671.058055][ T44] | [ 4671.058180][ T44] ============================================= | [ 4671.058180][ T44] [ 4793.922098][ T44] INFO: task modprobe:2403 blocked for more than 245 seconds. [ 4793.922560][ T44] Not tainted 6.17.0-virtme #1 [ 4793.922777][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 4793.923169][ T44] task:modprobe state:D stack:25584 pid:2403 tgid:2403 ppid:2337 task_flags:0x400100 flags:0x00080001 [ 4793.923693][ T44] Call Trace: [ 4793.923868][ T44] [ 4793.924005][ T44] __schedule (kernel/sched/core.c:5325 kernel/sched/core.c:6929) [ 4793.924267][ T44] ? io_schedule_timeout (kernel/sched/core.c:6785) [ 4793.924518][ T44] ? schedule (kernel/sched/core.c:6992 kernel/sched/core.c:7025) [ 4793.924692][ T44] ? __lock_release (kernel/locking/lockdep.c:5536) [ 4793.924956][ T44] schedule (kernel/sched/core.c:7012 kernel/sched/core.c:7026) [ 4793.925137][ T44] schedule_preempt_disabled (kernel/sched/core.c:7084) [ 4793.925367][ T44] rwsem_down_write_slowpath (kernel/locking/rwsem.c:1187) [ 4793.925599][ T44] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 4793.925831][ T44] ? down_read (kernel/locking/rwsem.c:1112) [ 4793.926085][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 4793.926321][ T44] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831) [ 4793.926563][ T44] ? rtnl_link_unregister (net/core/rtnetlink.c:655 net/core/rtnetlink.c:687) [ 4793.926803][ T44] down_write (./include/linux/err.h:70 kernel/locking/rwsem.c:1317 kernel/locking/rwsem.c:1326 kernel/locking/rwsem.c:1591) [ 4793.926988][ T44] ? rwsem_down_write_slowpath (kernel/locking/rwsem.c:1588) [ 4793.927278][ T44] ? cleanup_srcu_struct (kernel/rcu/srcutree.c:718) [ 4793.927518][ T44] rtnl_link_unregister (net/core/rtnetlink.c:655 net/core/rtnetlink.c:687) [ 4793.927754][ T44] ? __rtnl_unlock (net/core/rtnetlink.c:675) [ 4793.927999][ T44] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:939) [ 4793.928233][ T44] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:916) [ 4793.928477][ T44] nsim_module_exit (drivers/net/netdevsim/netdev.c:600) netdevsim [ 4793.928718][ T44] __do_sys_delete_module (kernel/module/main.c:836) [ 4793.928956][ T44] ? module_flags (kernel/module/main.c:778) [ 4793.929200][ T44] ? alloc_file_clone (fs/file_table.c:571) [ 4793.929444][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 4793.929683][ T44] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 4793.929917][ T44] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 4793.930216][ T44] RIP: 0033:0x7f6fdcb1d6eb [ 4793.930471][ T44] RSP: 002b:00007ffc82e0dd58 EFLAGS: 00000206 ORIG_RAX: 00000000000000b0 [ 4793.930833][ T44] RAX: ffffffffffffffda RBX: 000055d9e236ca90 RCX: 00007f6fdcb1d6eb [ 4793.931188][ T44] RDX: 0000000000000000 RSI: 0000000000000800 RDI: 000055d9e236caf8 [ 4793.931540][ T44] RBP: 000055d9e236ca90 R08: 0000000000000000 R09: 0000000000000000 [ 4793.931888][ T44] R10: 00007f6fdcbacac0 R11: 0000000000000206 R12: 000055d9e236caf8 [ 4793.932243][ T44] R13: 0000000000000000 R14: 000055d9e236caf8 R15: 00007ffc82e10088 | [ 4793.934549][ T44] 1 lock held by modprobe/2403: | [ 4793.934786][ T44] #0: ffffffff86a77f50 (pernet_ops_rwsem){++++}-{4:4}, at: rtnl_link_unregister (net/core/rtnetlink.c:655 net/core/rtnetlink.c:687) | [ 4793.935252][ T44] | [ 4793.935435][ T44] ============================================= | [ 4793.935435][ T44] [ 4916.802008][ T44] INFO: task modprobe:2403 blocked for more than 368 seconds. [ 4916.802402][ T44] Not tainted 6.17.0-virtme #1 [ 4916.802621][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 4916.803013][ T44] task:modprobe state:D stack:25584 pid:2403 tgid:2403 ppid:2337 task_flags:0x400100 flags:0x00080001 [ 4916.803674][ T44] Call Trace: [ 4916.803895][ T44] [ 4916.804056][ T44] __schedule (kernel/sched/core.c:5325 kernel/sched/core.c:6929) [ 4916.804304][ T44] ? io_schedule_timeout (kernel/sched/core.c:6785) [ 4916.804621][ T44] ? schedule (kernel/sched/core.c:6992 kernel/sched/core.c:7025) [ 4916.804842][ T44] ? __lock_release (kernel/locking/lockdep.c:5536) [ 4916.805257][ T44] schedule (kernel/sched/core.c:7012 kernel/sched/core.c:7026) [ 4916.805436][ T44] schedule_preempt_disabled (kernel/sched/core.c:7084) [ 4916.805673][ T44] rwsem_down_write_slowpath (kernel/locking/rwsem.c:1187) [ 4916.805907][ T44] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 4916.806224][ T44] ? down_read (kernel/locking/rwsem.c:1112) [ 4916.806528][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 4916.806822][ T44] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831) [ 4916.807106][ T44] ? rtnl_link_unregister (net/core/rtnetlink.c:655 net/core/rtnetlink.c:687) [ 4916.807344][ T44] down_write (./include/linux/err.h:70 kernel/locking/rwsem.c:1317 kernel/locking/rwsem.c:1326 kernel/locking/rwsem.c:1591) [ 4916.807577][ T44] ? rwsem_down_write_slowpath (kernel/locking/rwsem.c:1588) [ 4916.807946][ T44] ? cleanup_srcu_struct (kernel/rcu/srcutree.c:718) [ 4916.808187][ T44] rtnl_link_unregister (net/core/rtnetlink.c:655 net/core/rtnetlink.c:687) [ 4916.808423][ T44] ? __rtnl_unlock (net/core/rtnetlink.c:675) [ 4916.808677][ T44] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:939) [ 4916.808989][ T44] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:916) [ 4916.809280][ T44] nsim_module_exit (drivers/net/netdevsim/netdev.c:600) netdevsim [ 4916.809531][ T44] __do_sys_delete_module (kernel/module/main.c:836) [ 4916.809765][ T44] ? module_flags (kernel/module/main.c:778) [ 4916.810010][ T44] ? alloc_file_clone (fs/file_table.c:571) [ 4916.810252][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 4916.810484][ T44] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 4916.810768][ T44] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 4916.811144][ T44] RIP: 0033:0x7f6fdcb1d6eb [ 4916.811391][ T44] RSP: 002b:00007ffc82e0dd58 EFLAGS: 00000206 ORIG_RAX: 00000000000000b0 [ 4916.811745][ T44] RAX: ffffffffffffffda RBX: 000055d9e236ca90 RCX: 00007f6fdcb1d6eb [ 4916.812164][ T44] RDX: 0000000000000000 RSI: 0000000000000800 RDI: 000055d9e236caf8 [ 4916.812608][ T44] RBP: 000055d9e236ca90 R08: 0000000000000000 R09: 0000000000000000 [ 4916.813066][ T44] R10: 00007f6fdcbacac0 R11: 0000000000000206 R12: 000055d9e236caf8 [ 4916.813437][ T44] R13: 0000000000000000 R14: 000055d9e236caf8 R15: 00007ffc82e10088 | [ 4916.816108][ T44] 1 lock held by modprobe/2403: | [ 4916.816330][ T44] #0: ffffffff86a77f50 (pernet_ops_rwsem){++++}-{4:4}, at: rtnl_link_unregister (net/core/rtnetlink.c:655 net/core/rtnetlink.c:687) | [ 4916.816786][ T44] | [ 4916.816896][ T44] ============================================= | [ 4916.816896][ T44] [ 5039.682081][ T44] INFO: task modprobe:2403 blocked for more than 491 seconds. [ 5039.682609][ T44] Not tainted 6.17.0-virtme #1 [ 5039.682891][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 5039.683282][ T44] task:modprobe state:D stack:25584 pid:2403 tgid:2403 ppid:2337 task_flags:0x400100 flags:0x00080001 [ 5039.683980][ T44] Call Trace: [ 5039.684192][ T44] [ 5039.684316][ T44] __schedule (kernel/sched/core.c:5325 kernel/sched/core.c:6929) [ 5039.684575][ T44] ? io_schedule_timeout (kernel/sched/core.c:6785) [ 5039.684851][ T44] ? schedule (kernel/sched/core.c:6992 kernel/sched/core.c:7025) [ 5039.685087][ T44] ? __lock_release (kernel/locking/lockdep.c:5536) [ 5039.685394][ T44] schedule (kernel/sched/core.c:7012 kernel/sched/core.c:7026) [ 5039.685625][ T44] schedule_preempt_disabled (kernel/sched/core.c:7084) [ 5039.685922][ T44] rwsem_down_write_slowpath (kernel/locking/rwsem.c:1187) [ 5039.686188][ T44] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 5039.686419][ T44] ? down_read (kernel/locking/rwsem.c:1112) [ 5039.686656][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 5039.686888][ T44] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831) [ 5039.687126][ T44] ? rtnl_link_unregister (net/core/rtnetlink.c:655 net/core/rtnetlink.c:687) [ 5039.687439][ T44] down_write (./include/linux/err.h:70 kernel/locking/rwsem.c:1317 kernel/locking/rwsem.c:1326 kernel/locking/rwsem.c:1591) [ 5039.687662][ T44] ? rwsem_down_write_slowpath (kernel/locking/rwsem.c:1588) [ 5039.687974][ T44] ? cleanup_srcu_struct (kernel/rcu/srcutree.c:718) [ 5039.688215][ T44] rtnl_link_unregister (net/core/rtnetlink.c:655 net/core/rtnetlink.c:687) [ 5039.688458][ T44] ? __rtnl_unlock (net/core/rtnetlink.c:675) [ 5039.688688][ T44] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:939) [ 5039.688919][ T44] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:916) [ 5039.689174][ T44] nsim_module_exit (drivers/net/netdevsim/netdev.c:600) netdevsim [ 5039.689415][ T44] __do_sys_delete_module (kernel/module/main.c:836) [ 5039.689647][ T44] ? module_flags (kernel/module/main.c:778) [ 5039.689886][ T44] ? alloc_file_clone (fs/file_table.c:571) [ 5039.690146][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 5039.690380][ T44] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 5039.690610][ T44] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 5039.691421][ T44] RIP: 0033:0x7f6fdcb1d6eb [ 5039.691729][ T44] RSP: 002b:00007ffc82e0dd58 EFLAGS: 00000206 ORIG_RAX: 00000000000000b0 [ 5039.692163][ T44] RAX: ffffffffffffffda RBX: 000055d9e236ca90 RCX: 00007f6fdcb1d6eb [ 5039.692509][ T44] RDX: 0000000000000000 RSI: 0000000000000800 RDI: 000055d9e236caf8 [ 5039.692856][ T44] RBP: 000055d9e236ca90 R08: 0000000000000000 R09: 0000000000000000 [ 5039.693217][ T44] R10: 00007f6fdcbacac0 R11: 0000000000000206 R12: 000055d9e236caf8 [ 5039.693565][ T44] R13: 0000000000000000 R14: 000055d9e236caf8 R15: 00007ffc82e10088 | [ 5039.695849][ T44] 1 lock held by modprobe/2403: | [ 5039.696142][ T44] #0: ffffffff86a77f50 (pernet_ops_rwsem){++++}-{4:4}, at: rtnl_link_unregister (net/core/rtnetlink.c:655 net/core/rtnetlink.c:687) | [ 5039.696721][ T44] | [ 5039.696864][ T44] ============================================= | [ 5039.696864][ T44] [ 5162.562039][ T44] INFO: task modprobe:2403 blocked for more than 614 seconds. [ 5162.562502][ T44] Not tainted 6.17.0-virtme #1 [ 5162.562708][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 5162.563109][ T44] task:modprobe state:D stack:25584 pid:2403 tgid:2403 ppid:2337 task_flags:0x400100 flags:0x00080001 [ 5162.563607][ T44] Call Trace: [ 5162.563776][ T44] [ 5162.563895][ T44] __schedule (kernel/sched/core.c:5325 kernel/sched/core.c:6929) [ 5162.564249][ T44] ? io_schedule_timeout (kernel/sched/core.c:6785) [ 5162.564487][ T44] ? schedule (kernel/sched/core.c:6992 kernel/sched/core.c:7025) [ 5162.564654][ T44] ? __lock_release (kernel/locking/lockdep.c:5536) [ 5162.564900][ T44] schedule (kernel/sched/core.c:7012 kernel/sched/core.c:7026) [ 5162.565087][ T44] schedule_preempt_disabled (kernel/sched/core.c:7084) [ 5162.565307][ T44] rwsem_down_write_slowpath (kernel/locking/rwsem.c:1187) [ 5162.565529][ T44] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 5162.565750][ T44] ? down_read (kernel/locking/rwsem.c:1112) [ 5162.565996][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 5162.566222][ T44] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831) [ 5162.566441][ T44] ? rtnl_link_unregister (net/core/rtnetlink.c:655 net/core/rtnetlink.c:687) [ 5162.566677][ T44] down_write (./include/linux/err.h:70 kernel/locking/rwsem.c:1317 kernel/locking/rwsem.c:1326 kernel/locking/rwsem.c:1591) [ 5162.566844][ T44] ? rwsem_down_write_slowpath (kernel/locking/rwsem.c:1588) [ 5162.567128][ T44] ? cleanup_srcu_struct (kernel/rcu/srcutree.c:718) [ 5162.567357][ T44] rtnl_link_unregister (net/core/rtnetlink.c:655 net/core/rtnetlink.c:687) [ 5162.567579][ T44] ? __rtnl_unlock (net/core/rtnetlink.c:675) [ 5162.567816][ T44] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:939) [ 5162.568054][ T44] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:916) [ 5162.568284][ T44] nsim_module_exit (drivers/net/netdevsim/netdev.c:600) netdevsim [ 5162.568515][ T44] __do_sys_delete_module (kernel/module/main.c:836) [ 5162.568736][ T44] ? module_flags (kernel/module/main.c:778) [ 5162.568976][ T44] ? alloc_file_clone (fs/file_table.c:571) [ 5162.569207][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 5162.569434][ T44] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 5162.569656][ T44] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 5162.569958][ T44] RIP: 0033:0x7f6fdcb1d6eb [ 5162.570190][ T44] RSP: 002b:00007ffc82e0dd58 EFLAGS: 00000206 ORIG_RAX: 00000000000000b0 [ 5162.570527][ T44] RAX: ffffffffffffffda RBX: 000055d9e236ca90 RCX: 00007f6fdcb1d6eb [ 5162.570861][ T44] RDX: 0000000000000000 RSI: 0000000000000800 RDI: 000055d9e236caf8 [ 5162.571199][ T44] RBP: 000055d9e236ca90 R08: 0000000000000000 R09: 0000000000000000 [ 5162.571534][ T44] R10: 00007f6fdcbacac0 R11: 0000000000000206 R12: 000055d9e236caf8 [ 5162.571862][ T44] R13: 0000000000000000 R14: 000055d9e236caf8 R15: 00007ffc82e10088 | [ 5162.574045][ T44] 1 lock held by modprobe/2403: | [ 5162.574253][ T44] #0: ffffffff86a77f50 (pernet_ops_rwsem){++++}-{4:4}, at: rtnl_link_unregister (net/core/rtnetlink.c:655 net/core/rtnetlink.c:687) | [ 5162.574690][ T44] | [ 5162.574796][ T44] ============================================= | [ 5162.574796][ T44] [ 5285.442771][ T44] INFO: task modprobe:2403 blocked for more than 737 seconds. [ 5285.443254][ T44] Not tainted 6.17.0-virtme #1 [ 5285.443459][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 5285.443820][ T44] task:modprobe state:D stack:25584 pid:2403 tgid:2403 ppid:2337 task_flags:0x400100 flags:0x00080001 [ 5285.444315][ T44] Call Trace: [ 5285.444487][ T44] [ 5285.444603][ T44] __schedule (kernel/sched/core.c:5325 kernel/sched/core.c:6929) [ 5285.444845][ T44] ? io_schedule_timeout (kernel/sched/core.c:6785) [ 5285.445092][ T44] ? schedule (kernel/sched/core.c:6992 kernel/sched/core.c:7025) [ 5285.445266][ T44] ? __lock_release (kernel/locking/lockdep.c:5536) [ 5285.445492][ T44] schedule (kernel/sched/core.c:7012 kernel/sched/core.c:7026) [ 5285.445661][ T44] schedule_preempt_disabled (kernel/sched/core.c:7084) [ 5285.445873][ T44] rwsem_down_write_slowpath (kernel/locking/rwsem.c:1187) [ 5285.446106][ T44] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 5285.446323][ T44] ? down_read (kernel/locking/rwsem.c:1112) [ 5285.446546][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 5285.446765][ T44] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831) [ 5285.447009][ T44] ? rtnl_link_unregister (net/core/rtnetlink.c:655 net/core/rtnetlink.c:687) [ 5285.447260][ T44] down_write (./include/linux/err.h:70 kernel/locking/rwsem.c:1317 kernel/locking/rwsem.c:1326 kernel/locking/rwsem.c:1591) [ 5285.447428][ T44] ? rwsem_down_write_slowpath (kernel/locking/rwsem.c:1588) [ 5285.447701][ T44] ? cleanup_srcu_struct (kernel/rcu/srcutree.c:718) [ 5285.447940][ T44] rtnl_link_unregister (net/core/rtnetlink.c:655 net/core/rtnetlink.c:687) [ 5285.448165][ T44] ? __rtnl_unlock (net/core/rtnetlink.c:675) [ 5285.448395][ T44] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:939) [ 5285.448622][ T44] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:916) [ 5285.448846][ T44] nsim_module_exit (drivers/net/netdevsim/netdev.c:600) netdevsim [ 5285.449079][ T44] __do_sys_delete_module (kernel/module/main.c:836) [ 5285.449297][ T44] ? module_flags (kernel/module/main.c:778) [ 5285.449517][ T44] ? alloc_file_clone (fs/file_table.c:571) [ 5285.449738][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 5285.449960][ T44] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 5285.450193][ T44] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 5285.450460][ T44] RIP: 0033:0x7f6fdcb1d6eb [ 5285.450685][ T44] RSP: 002b:00007ffc82e0dd58 EFLAGS: 00000206 ORIG_RAX: 00000000000000b0 [ 5285.451021][ T44] RAX: ffffffffffffffda RBX: 000055d9e236ca90 RCX: 00007f6fdcb1d6eb [ 5285.451346][ T44] RDX: 0000000000000000 RSI: 0000000000000800 RDI: 000055d9e236caf8 [ 5285.451684][ T44] RBP: 000055d9e236ca90 R08: 0000000000000000 R09: 0000000000000000 [ 5285.452014][ T44] R10: 00007f6fdcbacac0 R11: 0000000000000206 R12: 000055d9e236caf8 [ 5285.452340][ T44] R13: 0000000000000000 R14: 000055d9e236caf8 R15: 00007ffc82e10088 | [ 5285.454451][ T44] 1 lock held by modprobe/2403: | [ 5285.454662][ T44] #0: ffffffff86a77f50 (pernet_ops_rwsem){++++}-{4:4}, at: rtnl_link_unregister (net/core/rtnetlink.c:655 net/core/rtnetlink.c:687) | [ 5285.455086][ T44] | [ 5285.455191][ T44] ============================================= | [ 5285.455191][ T44] [ 5408.322223][ T44] INFO: task modprobe:2403 blocked for more than 860 seconds. [ 5408.322963][ T44] Not tainted 6.17.0-virtme #1 [ 5408.323201][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 5408.323608][ T44] task:modprobe state:D stack:25584 pid:2403 tgid:2403 ppid:2337 task_flags:0x400100 flags:0x00080001 [ 5408.324138][ T44] Call Trace: [ 5408.324314][ T44] [ 5408.324436][ T44] __schedule (kernel/sched/core.c:5325 kernel/sched/core.c:6929) [ 5408.324697][ T44] ? io_schedule_timeout (kernel/sched/core.c:6785) [ 5408.325047][ T44] ? schedule (kernel/sched/core.c:6992 kernel/sched/core.c:7025) [ 5408.325241][ T44] ? __lock_release (kernel/locking/lockdep.c:5536) [ 5408.325476][ T44] schedule (kernel/sched/core.c:7012 kernel/sched/core.c:7026) [ 5408.325671][ T44] schedule_preempt_disabled (kernel/sched/core.c:7084) [ 5408.325916][ T44] rwsem_down_write_slowpath (kernel/locking/rwsem.c:1187) [ 5408.326165][ T44] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 5408.326409][ T44] ? down_read (kernel/locking/rwsem.c:1112) [ 5408.326647][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 5408.326883][ T44] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831) [ 5408.327119][ T44] ? rtnl_link_unregister (net/core/rtnetlink.c:655 net/core/rtnetlink.c:687) [ 5408.327360][ T44] down_write (./include/linux/err.h:70 kernel/locking/rwsem.c:1317 kernel/locking/rwsem.c:1326 kernel/locking/rwsem.c:1591) [ 5408.327534][ T44] ? rwsem_down_write_slowpath (kernel/locking/rwsem.c:1588) [ 5408.327817][ T44] ? cleanup_srcu_struct (kernel/rcu/srcutree.c:718) [ 5408.328073][ T44] rtnl_link_unregister (net/core/rtnetlink.c:655 net/core/rtnetlink.c:687) [ 5408.328307][ T44] ? __rtnl_unlock (net/core/rtnetlink.c:675) [ 5408.328543][ T44] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:939) [ 5408.328775][ T44] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:916) [ 5408.329027][ T44] nsim_module_exit (drivers/net/netdevsim/netdev.c:600) netdevsim [ 5408.329274][ T44] __do_sys_delete_module (kernel/module/main.c:836) [ 5408.329523][ T44] ? module_flags (kernel/module/main.c:778) [ 5408.329760][ T44] ? alloc_file_clone (fs/file_table.c:571) [ 5408.330009][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 5408.330245][ T44] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 5408.330477][ T44] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 5408.330764][ T44] RIP: 0033:0x7f6fdcb1d6eb [ 5408.331010][ T44] RSP: 002b:00007ffc82e0dd58 EFLAGS: 00000206 ORIG_RAX: 00000000000000b0 [ 5408.331361][ T44] RAX: ffffffffffffffda RBX: 000055d9e236ca90 RCX: 00007f6fdcb1d6eb [ 5408.331707][ T44] RDX: 0000000000000000 RSI: 0000000000000800 RDI: 000055d9e236caf8 [ 5408.332061][ T44] RBP: 000055d9e236ca90 R08: 0000000000000000 R09: 0000000000000000 [ 5408.332406][ T44] R10: 00007f6fdcbacac0 R11: 0000000000000206 R12: 000055d9e236caf8 [ 5408.332749][ T44] R13: 0000000000000000 R14: 000055d9e236caf8 R15: 00007ffc82e10088 | [ 5408.334944][ T44] 1 lock held by modprobe/2403: | [ 5408.335168][ T44] #0: ffffffff86a77f50 (pernet_ops_rwsem){++++}-{4:4}, at: rtnl_link_unregister (net/core/rtnetlink.c:655 net/core/rtnetlink.c:687) | [ 5408.335611][ T44] | [ 5408.335721][ T44] ============================================= | [ 5408.335721][ T44] [ 5531.202104][ T44] INFO: task modprobe:2403 blocked for more than 983 seconds. [ 5531.202494][ T44] Not tainted 6.17.0-virtme #1 [ 5531.202709][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 5531.203103][ T44] task:modprobe state:D stack:25584 pid:2403 tgid:2403 ppid:2337 task_flags:0x400100 flags:0x00080001 [ 5531.203587][ T44] Call Trace: [ 5531.203752][ T44] [ 5531.203870][ T44] __schedule (kernel/sched/core.c:5325 kernel/sched/core.c:6929) [ 5531.204120][ T44] ? io_schedule_timeout (kernel/sched/core.c:6785) [ 5531.204363][ T44] ? schedule (kernel/sched/core.c:6992 kernel/sched/core.c:7025) [ 5531.204527][ T44] ? __lock_release (kernel/locking/lockdep.c:5536) [ 5531.204769][ T44] schedule (kernel/sched/core.c:7012 kernel/sched/core.c:7026) [ 5531.204951][ T44] schedule_preempt_disabled (kernel/sched/core.c:7084) [ 5531.205170][ T44] rwsem_down_write_slowpath (kernel/locking/rwsem.c:1187) [ 5531.205390][ T44] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 5531.205606][ T44] ? down_read (kernel/locking/rwsem.c:1112) [ 5531.205839][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 5531.206098][ T44] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831) [ 5531.206314][ T44] ? rtnl_link_unregister (net/core/rtnetlink.c:655 net/core/rtnetlink.c:687) [ 5531.206542][ T44] down_write (./include/linux/err.h:70 kernel/locking/rwsem.c:1317 kernel/locking/rwsem.c:1326 kernel/locking/rwsem.c:1591) [ 5531.206707][ T44] ? rwsem_down_write_slowpath (kernel/locking/rwsem.c:1588) [ 5531.206989][ T44] ? cleanup_srcu_struct (kernel/rcu/srcutree.c:718) [ 5531.207225][ T44] rtnl_link_unregister (net/core/rtnetlink.c:655 net/core/rtnetlink.c:687) [ 5531.207445][ T44] ? __rtnl_unlock (net/core/rtnetlink.c:675) [ 5531.207685][ T44] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:939) [ 5531.207903][ T44] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:916) [ 5531.208143][ T44] nsim_module_exit (drivers/net/netdevsim/netdev.c:600) netdevsim [ 5531.208373][ T44] __do_sys_delete_module (kernel/module/main.c:836) [ 5531.208593][ T44] ? module_flags (kernel/module/main.c:778) [ 5531.208817][ T44] ? alloc_file_clone (fs/file_table.c:571) [ 5531.209062][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 5531.209292][ T44] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 5531.209512][ T44] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 5531.209782][ T44] RIP: 0033:0x7f6fdcb1d6eb [ 5531.210022][ T44] RSP: 002b:00007ffc82e0dd58 EFLAGS: 00000206 ORIG_RAX: 00000000000000b0 [ 5531.210355][ T44] RAX: ffffffffffffffda RBX: 000055d9e236ca90 RCX: 00007f6fdcb1d6eb [ 5531.210697][ T44] RDX: 0000000000000000 RSI: 0000000000000800 RDI: 000055d9e236caf8 [ 5531.211054][ T44] RBP: 000055d9e236ca90 R08: 0000000000000000 R09: 0000000000000000 [ 5531.211381][ T44] R10: 00007f6fdcbacac0 R11: 0000000000000206 R12: 000055d9e236caf8 [ 5531.211704][ T44] R13: 0000000000000000 R14: 000055d9e236caf8 R15: 00007ffc82e10088 | [ 5531.213862][ T44] 1 lock held by modprobe/2403: | [ 5531.214079][ T44] #0: ffffffff86a77f50 (pernet_ops_rwsem){++++}-{4:4}, at: rtnl_link_unregister (net/core/rtnetlink.c:655 net/core/rtnetlink.c:687) | [ 5531.214498][ T44] | [ 5531.214601][ T44] ============================================= | [ 5531.214601][ T44] [ 5654.083027][ T44] INFO: task modprobe:2403 blocked for more than 1105 seconds. [ 5654.083485][ T44] Not tainted 6.17.0-virtme #1 [ 5654.083738][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 5654.084203][ T44] task:modprobe state:D stack:25584 pid:2403 tgid:2403 ppid:2337 task_flags:0x400100 flags:0x00080001 [ 5654.084773][ T44] Call Trace: [ 5654.084987][ T44] [ 5654.085131][ T44] __schedule (kernel/sched/core.c:5325 kernel/sched/core.c:6929) [ 5654.085405][ T44] ? io_schedule_timeout (kernel/sched/core.c:6785) [ 5654.085681][ T44] ? schedule (kernel/sched/core.c:6992 kernel/sched/core.c:7025) [ 5654.085875][ T44] ? __lock_release (kernel/locking/lockdep.c:5536) [ 5654.086270][ T44] schedule (kernel/sched/core.c:7012 kernel/sched/core.c:7026) [ 5654.086476][ T44] schedule_preempt_disabled (kernel/sched/core.c:7084) [ 5654.086730][ T44] rwsem_down_write_slowpath (kernel/locking/rwsem.c:1187) [ 5654.087002][ T44] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 5654.087262][ T44] ? down_read (kernel/locking/rwsem.c:1112) [ 5654.087536][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 5654.087808][ T44] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831) [ 5654.088075][ T44] ? rtnl_link_unregister (net/core/rtnetlink.c:655 net/core/rtnetlink.c:687) [ 5654.088342][ T44] down_write (./include/linux/err.h:70 kernel/locking/rwsem.c:1317 kernel/locking/rwsem.c:1326 kernel/locking/rwsem.c:1591) [ 5654.088537][ T44] ? rwsem_down_write_slowpath (kernel/locking/rwsem.c:1588) [ 5654.088854][ T44] ? cleanup_srcu_struct (kernel/rcu/srcutree.c:718) [ 5654.089132][ T44] rtnl_link_unregister (net/core/rtnetlink.c:655 net/core/rtnetlink.c:687) [ 5654.089402][ T44] ? __rtnl_unlock (net/core/rtnetlink.c:675) [ 5654.089674][ T44] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:939) [ 5654.089940][ T44] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:916) [ 5654.090211][ T44] nsim_module_exit (drivers/net/netdevsim/netdev.c:600) netdevsim [ 5654.090480][ T44] __do_sys_delete_module (kernel/module/main.c:836) [ 5654.090737][ T44] ? module_flags (kernel/module/main.c:778) [ 5654.091009][ T44] ? alloc_file_clone (fs/file_table.c:571) [ 5654.091299][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 5654.091557][ T44] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 5654.091814][ T44] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 5654.092145][ T44] RIP: 0033:0x7f6fdcb1d6eb [ 5654.092412][ T44] RSP: 002b:00007ffc82e0dd58 EFLAGS: 00000206 ORIG_RAX: 00000000000000b0 [ 5654.092804][ T44] RAX: ffffffffffffffda RBX: 000055d9e236ca90 RCX: 00007f6fdcb1d6eb [ 5654.093218][ T44] RDX: 0000000000000000 RSI: 0000000000000800 RDI: 000055d9e236caf8 [ 5654.093604][ T44] RBP: 000055d9e236ca90 R08: 0000000000000000 R09: 0000000000000000 [ 5654.094001][ T44] R10: 00007f6fdcbacac0 R11: 0000000000000206 R12: 000055d9e236caf8 [ 5654.094384][ T44] R13: 0000000000000000 R14: 000055d9e236caf8 R15: 00007ffc82e10088 | [ 5654.096973][ T44] 1 lock held by modprobe/2403: | [ 5654.097219][ T44] #0: ffffffff86a77f50 (pernet_ops_rwsem){++++}-{4:4}, at: rtnl_link_unregister (net/core/rtnetlink.c:655 net/core/rtnetlink.c:687) | [ 5654.097716][ T44] | [ 5654.097841][ T44] ============================================= | [ 5654.097841][ T44] [ 5776.962099][ T44] INFO: task modprobe:2403 blocked for more than 1228 seconds. [ 5776.962571][ T44] Not tainted 6.17.0-virtme #1 [ 5776.962780][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 5776.963147][ T44] task:modprobe state:D stack:25584 pid:2403 tgid:2403 ppid:2337 task_flags:0x400100 flags:0x00080001 [ 5776.963626][ T44] Call Trace: [ 5776.963792][ T44] [ 5776.963909][ T44] __schedule (kernel/sched/core.c:5325 kernel/sched/core.c:6929) [ 5776.964169][ T44] ? io_schedule_timeout (kernel/sched/core.c:6785) [ 5776.964411][ T44] ? schedule (kernel/sched/core.c:6992 kernel/sched/core.c:7025) [ 5776.964575][ T44] ? __lock_release (kernel/locking/lockdep.c:5536) [ 5776.964802][ T44] schedule (kernel/sched/core.c:7012 kernel/sched/core.c:7026) [ 5776.964983][ T44] schedule_preempt_disabled (kernel/sched/core.c:7084) [ 5776.965201][ T44] rwsem_down_write_slowpath (kernel/locking/rwsem.c:1187) [ 5776.965421][ T44] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 5776.965649][ T44] ? down_read (kernel/locking/rwsem.c:1112) [ 5776.965875][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 5776.966103][ T44] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831) [ 5776.966320][ T44] ? rtnl_link_unregister (net/core/rtnetlink.c:655 net/core/rtnetlink.c:687) [ 5776.966546][ T44] down_write (./include/linux/err.h:70 kernel/locking/rwsem.c:1317 kernel/locking/rwsem.c:1326 kernel/locking/rwsem.c:1591) [ 5776.966711][ T44] ? rwsem_down_write_slowpath (kernel/locking/rwsem.c:1588) [ 5776.966993][ T44] ? cleanup_srcu_struct (kernel/rcu/srcutree.c:718) [ 5776.967227][ T44] rtnl_link_unregister (net/core/rtnetlink.c:655 net/core/rtnetlink.c:687) [ 5776.967449][ T44] ? __rtnl_unlock (net/core/rtnetlink.c:675) [ 5776.967664][ T44] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:939) [ 5776.967884][ T44] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:916) [ 5776.968116][ T44] nsim_module_exit (drivers/net/netdevsim/netdev.c:600) netdevsim [ 5776.968344][ T44] __do_sys_delete_module (kernel/module/main.c:836) [ 5776.968568][ T44] ? module_flags (kernel/module/main.c:778) [ 5776.968799][ T44] ? alloc_file_clone (fs/file_table.c:571) [ 5776.969031][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 5776.969250][ T44] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 5776.969471][ T44] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 5776.969739][ T44] RIP: 0033:0x7f6fdcb1d6eb [ 5776.969979][ T44] RSP: 002b:00007ffc82e0dd58 EFLAGS: 00000206 ORIG_RAX: 00000000000000b0 [ 5776.970311][ T44] RAX: ffffffffffffffda RBX: 000055d9e236ca90 RCX: 00007f6fdcb1d6eb [ 5776.970644][ T44] RDX: 0000000000000000 RSI: 0000000000000800 RDI: 000055d9e236caf8 [ 5776.970979][ T44] RBP: 000055d9e236ca90 R08: 0000000000000000 R09: 0000000000000000 [ 5776.971308][ T44] R10: 00007f6fdcbacac0 R11: 0000000000000206 R12: 000055d9e236caf8 Finger prints: __schedule:schedule:schedule_preempt_disabled:rwsem_down_write_slowpath:down_write