Date: Thu, 05 Mar 2026 09:41:54 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 293382] Dead lock and kernel crash around closefp_impl Message-ID: <bug-293382-227-LGLXjTYS3n@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-293382-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=293382 --- Comment #7 from Paul <devgs@ukr.net> --- And it crashed again, just now. Still no core dump. But this time it looks pretty interesting. It may be the hint of the problem: a missing lock, hence the 'racy' nature of the issue. <118>Starting syslogd. <118>savecore 1735 - - reboot after panic: general protection fault <118>Mar 3 12:14:25 frv21 savecore[1735]: reboot after panic: general protection fault <118>savecore 1735 - - writing core to /var/crash/textdump.tar.1 <118>Writing crash summary to /var/crash/core.txt.1. <118>Starting chronyd. <118>Starting local daemons:add net 10.0.0.0: gateway 10.10.255.254 <118>. <118>Mounting late filesystems:. <118>Starting powerd. <118>Starting snmpd. <118>Starting collectd. <118>Starting nrpe. <118>Starting cron. <118>Performing sanity check on sshd configuration. <118>Starting sshd. <118>Starting background file system checks in 60 seconds. <118> <118>Tue Mar 3 12:14:25 EET 2026 panic: mutex kqueue not owned at /usr/src/sys/kern/kern_event.c:290 cpuid = 24 time = 1772701913 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe07171f5810 vpanic() at vpanic+0x161/frame 0xfffffe07171f5940 panic() at panic+0x43/frame 0xfffffe07171f59a0 __mtx_assert() at __mtx_assert+0x9f/frame 0xfffffe07171f59b0 kqueue_register() at kqueue_register+0x758/frame 0xfffffe07171f5a30 kqueue_kevent() at kqueue_kevent+0xc9/frame 0xfffffe07171f5c90 kern_kevent_fp() at kern_kevent_fp+0x9b/frame 0xfffffe07171f5ce0 kern_kevent() at kern_kevent+0x82/frame 0xfffffe07171f5d40 kern_kevent_generic() at kern_kevent_generic+0x70/frame 0xfffffe07171f5da0 sys_kevent() at sys_kevent+0x61/frame 0xfffffe07171f5e00 amd64_syscall() at amd64_syscall+0x15a/frame 0xfffffe07171f5f30 fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe07171f5f30 --- syscall (560, FreeBSD ELF64, kevent), rip = 0x82d3df3ea, rsp = 0x85ca5eb58, rbp = 0x85ca5ec40 --- KDB: enter: panic -- You are receiving this mail because: You are the assignee for the bug.home | help
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