Date: Mon, 04 Dec 2023 01:09:34 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 275063] kernel using 100% CPU in arc_prune Message-ID: <bug-275063-227-Y59YYZ2yIZ@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-275063-227@https.bugs.freebsd.org/bugzilla/> References: <bug-275063-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D275063 iron.udjin@gmail.com changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |iron.udjin@gmail.com --- Comment #6 from iron.udjin@gmail.com --- I hitted the same issue on 14.0-RELEASE. When I tried to restart the server, got kernel panic in arc_prune process: Fatal trap 12: page fault while in kernel mode=20 cpuid =3D 7; apic id =3D 07=20 fault virtual address =3D 0x458 fault code =3D supervisor read data, page not present instruction pointer =3D 0x20:0xffffffff80b4e386 stack pointer =3D 0x28:0xfffffe0206679d60 frame pointer =3D 0x28:0xfffffe0206679e00 code segment =3D base 0x0, limit 0xfffff, type 0x1b=20 =3D DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags =3D interrupt enabled, resume, IOPL =3D 0 current process =3D 0 (arc_prune) rdi: ffffffff8226f568 rsi: 0000000000000000 rdx: 0000000000000000 rcx: 0000000000000000 r8: 000000000000007e r9: fffffe02062fd518 rax: 0000000000000000 rbx: ffffffff8226f568 rbp: fffffe0206679e00 r10: fffff8162b935800 r11: fffff8162b935c00 r12: fffffe0206380560 r13: 0000000000000000 r14: 0000000000000000 r15: 0000000000000000 trap number =3D 12=20 panic: page fault cpuid =3D 7 time =3D 1701648338 KDB: stack backtrace: #0 0xffffffff80b9002d at kdb_backtrace+0x5d #1 0xffffffff80b43132 at vpanic+0x132 #2 0xffffffff80b42ff3 at panic+0x43 #3 0xffffffff8100c85c at trap_fatal+0x40c #4 0xffffffff8100c8af at trap_pfault+0x4f #5 0xffffffff80fe3828 at calltrap+0x8 #6 0xffffffff81f78fa7 at arc_prune_task+0x87 #7 0xffffffff81f76ddf at taskq_run+0x1f #8 0xffffffff80ba5922 at taskqueue_run_locked+0x182 #9 0xffffffff80ba6bb2 at taskqueue_thread_loop+0xc2 #10 0xffffffff80afdb0f at fork_exit+0x7f #11 0xffffffff80fe488e at fork_trampoline+0xe __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:57 warning: Source file is more recent than executable. 57 __asm("movq %%gs:%P1,%0" : "=3Dr" (td) : "n" (offsetof(struct pcpu, (kgdb) #0 __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:57 #1 doadump (textdump=3D<optimized out>) at /usr/src/sys/kern/kern_shutdown.c:405 #2 0xffffffff80b42cc7 in kern_reboot (howto=3D260) at /usr/src/sys/kern/kern_shutdown.c:526 #3 0xffffffff80b4319f in vpanic (fmt=3D0xffffffff81136b3b "%s", ap=3Dap@entry=3D0xfffffe0206679bb0) at /usr/src/sys/kern/kern_shutdown.= c:970 #4 0xffffffff80b42ff3 in panic (fmt=3D<unavailable>) at /usr/src/sys/kern/kern_shutdown.c:894 #5 0xffffffff8100c85c in trap_fatal (frame=3D0xfffffe0206679ca0, eva=3D111= 2) at /usr/src/sys/amd64/amd64/trap.c:952 #6 0xffffffff8100c8af in trap_pfault (frame=3D0xfffffe0206679ca0, usermode=3Dfalse, signo=3D<optimized out>, ucode=3D<optimized out>) at /usr/src/sys/amd64/amd64/trap.c:760 #7 <signal handler called> #8 _sx_xlock_hard (sx=3D0xffffffff8226f568 <callb_table+152>, x=3D<optimized out>, opts=3Dopts@entry=3D0) at /usr/src/sys/kern/kern_s= x.c:684 #9 0xffffffff81f78fa7 in __sx_xlock (td=3D0xfffffe0206380560, opts=3D0, file=3D0x0, line=3D0, sx=3D<optimized out>) at /usr/src/sys/sys/sx.h:166 #10 arc_prune_task (arg=3D<optimized out>) at /usr/src/sys/contrib/openzfs/module/os/freebsd/zfs/arc_os.c:149 #11 0xffffffff81f76ddf in taskq_run (arg=3D0xfffff8026e484300, pending=3D<optimized out>)=20 at /usr/src/sys/contrib/openzfs/module/os/freebsd/spl/spl_taskq.c:320 #12 0xffffffff80ba5922 in taskqueue_run_locked ( queue=3Dqueue@entry=3D0xfffff8010e55ce00)=20 at /usr/src/sys/kern/subr_taskqueue.c:512 #13 0xffffffff80ba6bb2 in taskqueue_thread_loop ( arg=3Darg@entry=3D0xfffff8011e59ba70) at /usr/src/sys/kern/subr_taskqueue.c:824 #14 0xffffffff80afdb0f in fork_exit ( callout=3D0xffffffff80ba6af0 <taskqueue_thread_loop>, arg=3D0xfffff8011e59ba70, frame=3D0xfffffe0206679f40) at /usr/src/sys/kern/kern_fork.c:1160 #15 <signal handler called> (kgdb) --=20 You are receiving this mail because: You are the assignee for the bug.=
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