Date: Thu, 10 Jul 2025 10:06:52 +0300 From: Oleg Nauman <oleg.nauman@gmail.com> To: FreeBSD Current <freebsd-current@freebsd.org> Subject: Process stuck in unkillable state if operating with inotify Message-ID: <CAC5YPTu%2B_KY7Jstz_x2aBsteXOKs5pUjnp1RASJAiQ7mM-D0Mw@mail.gmail.com>
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I noticed that some processes consume 100% of CPU and unkillable even with kill -9 System info: CURRENT 17f0f75308f2 ( Jul 8 ) amd64 The only meaningful info I was able to collect it is output of procstat -kk, so two examples of call stack for such type of processes: PID TID COMM TDNAME KSTACK 3192 100876 polkitd - _vn_lock_fallback+0x9e _vn_lock+0x8a vfs_lookup+0x122 namei+0x26d vn_inotify_add_watch+0x1b9 VOP_INOTIFY_ADD_WATCH+0x3a kern_inotify_add_watch+0x2be amd64_syscall+0x118 fast_syscall_common+0xf8 3192 100889 polkitd gmain mi_switch+0xbc sleepq_catch_signals+0x27d sleepq_wait_sig+0x9 _cv_wait_sig+0xf5 seltdwait+0x9a kern_poll_kfds+0x517 kern_poll+0x107 sys_ppoll+0x70 amd64_syscall+0x118 fast_syscall_common+0xf8 and PID TID COMM TDNAME KSTACK 58129 100829 packagekitd - ffs_lock+0x7d _vn_lock_fallback+0x9e _vn_lock+0x8a vfs_lookup+0x122 namei+0x26d vn_inotify_add_watch+0x1b9 VOP_INOTIFY_ADD_WATCH+0x3a kern_inotify_add_watch+0x2be amd64_syscall+0x118 fast_syscall_common+0xf8 58129 103627 packagekitd pool-spawner mi_switch+0xbc sleepq_catch_signals+0x27d sleepq_wait_sig+0x9 _sleep+0x197 umtxq_sleep+0x2c1 do_wait+0x258 __umtx_op_wait_uint_private+0x54 sys__umtx_op+0x7e amd64_syscall+0x118 fast_syscall_common+0xf8 58129 103628 packagekitd gmain mi_switch+0xbc sleepq_catch_signals+0x27d sleepq_wait_sig+0x9 _cv_wait_sig+0xf5 seltdwait+0x9a kern_poll_kfds+0x517 kern_poll+0x107 sys_ppoll+0x70 amd64_syscall+0x118 fast_syscall_common+0xf8 58129 103629 packagekitd gdbus mi_switch+0xbc sleepq_catch_signals+0x27d sleepq_wait_sig+0x9 _cv_wait_sig+0xf5 seltdwait+0x9a kern_poll_kfds+0x517 kern_poll+0x107 sys_ppoll+0x70 amd64_syscall+0x118 fast_syscall_common+0xf8 Thank youhelp
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