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2023年06月16日(金) 旧暦 [n年日記] [更新:"2004/08/09 23:43:33"]#1 [NetBSD][kernel] panics twice at the same locattion with 10.99.4
uname -a
NetBSD h97 10.99.4 NetBSD 10.99.4 (GENERIC-no-SYNAPTICS-nvmm-pmf-debug) #0: Sat May 27 16:15:46 JST 2023 root@h97:/tmp/O/sys/arch/amd64/compile/GENERIC-no-SYNAPTICS-nvmm-pmf-debug amd64panics twice at the same location: (while running perl check-update) Jun 16 05:00:30 h97 /netbsd: [ 1093164.9830786] panic: kernel diagnostic assertion "c->c_cpu->cc_lwp == curlwp || c->c_cpu->cc_active != c" failed: file "/export/git-work/src/sys/kern/kern_timeout.c", line 381 running callout 0xffffa145a9530980: c_func (0xffffffff80ded3a7) c_flags (0x100) destroyed from 0xffffffff80e393f9 Jun 16 05:00:30 h97 /netbsd: [ 1093164.9830786] cpu1: Begin traceback... Jun 16 05:00:30 h97 /netbsd: [ 1093164.9830786] vpanic() at netbsd:vpanic+0x173 Jun 16 05:00:30 h97 /netbsd: [ 1093164.9830786] kern_assert() at netbsd:kern_assert+0x4b Jun 16 05:00:30 h97 /netbsd: [ 1093164.9830786] callout_destroy() at netbsd:callout_destroy+0xa2 Jun 16 05:00:30 h97 /netbsd: [ 1093164.9830786] timerfd_fop_close() at netbsd:timerfd_fop_close+0x36 Jun 16 05:00:30 h97 /netbsd: [ 1093164.9830786] closef() at netbsd:closef+0xa3 Jun 16 05:00:30 h97 /netbsd: [ 1093164.9830786] fd_close() at netbsd:fd_close+0x145 Jun 16 05:00:30 h97 /netbsd: [ 1093164.9830786] sys_close() at netbsd:sys_close+0x22 Jun 16 05:00:30 h97 /netbsd: [ 1093164.9830786] syscall() at netbsd:syscall+0x196 Jun 16 05:00:30 h97 /netbsd: [ 1093164.9830786] --- syscall (number 6) --- Jun 16 05:00:30 h97 /netbsd: [ 1093164.9830786] netbsd:syscall+0x196: Jun 16 05:00:30 h97 /netbsd: [ 1093164.9830786] cpu1: End traceback... Jun 16 05:00:30 h97 /netbsd: Jun 17 12:14:55 h97 /netbsd: [ 112108.9087909] panic: kernel diagnostic assertion "c->c_cpu->cc_lwp == curlwp || c->c_cpu->cc_active != c" failed: file "/export/git-work/src/sys/kern/kern_timeout.c", line 381 running callout 0xffffec165d9c00c0: c_func (0xffffffff80ded3a7) c_flags (0x100) destroyed from 0xffffffff80e393f9 Jun 17 12:14:55 h97 /netbsd: [ 112108.9087909] cpu1: Begin traceback... Jun 17 12:14:55 h97 /netbsd: [ 112108.9087909] vpanic() at netbsd:vpanic+0x173 Jun 17 12:14:55 h97 /netbsd: [ 112108.9087909] kern_assert() at netbsd:kern_assert+0x4b Jun 17 12:14:55 h97 /netbsd: [ 112108.9087909] callout_destroy() at netbsd:callout_destroy+0xa2 Jun 17 12:14:55 h97 /netbsd: [ 112108.9087909] timerfd_fop_close() at netbsd:timerfd_fop_close+0x36 Jun 17 12:14:55 h97 /netbsd: [ 112108.9087909] closef() at netbsd:closef+0xa3 Jun 17 12:14:55 h97 /netbsd: [ 112108.9087909] fd_close() at netbsd:fd_close+0x145 Jun 17 12:14:55 h97 /netbsd: [ 112108.9087909] sys_close() at netbsd:sys_close+0x22 Jun 17 12:14:55 h97 /netbsd: [ 112108.9087909] syscall() at netbsd:syscall+0x196 Jun 17 12:14:55 h97 /netbsd: [ 112108.9087909] --- syscall (number 6) --- Jun 17 12:14:55 h97 /netbsd: [ 112108.9087909] netbsd:syscall+0x196: Jun 17 12:14:55 h97 /netbsd: [ 112108.9087909] cpu1: End traceback... Jun 17 12:14:55 h97 /netbsd: Jun 17 12:14:55 h97 /netbsd: [ 112108.9087909] dumping to dev 0,1 (offset=7380303, size=5226262): Jun 17 12:14:55 h97 /netbsd: [ 112108.9087909] dump <4>coretemp1: workqueue busy: updates stopped Jun 17 12:14:55 h97 /netbsd: [ 112140.0184784] coretemp2: workqueue busy: updates stoppedview +381 /export/git-work/src/sys/kern/kern_timeout.c
363 void
364 callout_destroy(callout_t *cs)
365 {
366 callout_impl_t *c = (callout_impl_t *)cs;
367
368 SDT_PROBE1(sdt, kernel, callout, destroy, cs);
369
370 KASSERTMSG(c->c_magic == CALLOUT_MAGIC,
371 "callout %p: c_magic (%#x) != CALLOUT_MAGIC (%#x)",
372 c, c->c_magic, CALLOUT_MAGIC);
373 /*
374 * It's not necessary to lock in order to see the correct value
375 * of c->c_flags. If the callout could potentially have been
376 * running, the current thread should have stopped it.
377 */
378 KASSERTMSG((c->c_flags & CALLOUT_PENDING) == 0,
379 "pending callout %p: c_func (%p) c_flags (%#x) destroyed from %p",
380 c, c->c_func, c->c_flags, __builtin_return_address(0));
381 KASSERTMSG(c->c_cpu->cc_lwp == curlwp || c->c_cpu->cc_active != c,
382 "running callout %p: c_func (%p) c_flags (%#x) destroyed from %p",
383 c, c->c_func, c->c_flags, __builtin_return_address(0));
384 c->c_magic = 0;
385 }
objdump -d /netbsd |less
ffffffff80e393c3 <timerfd_fop_close>: ffffffff80e393c3: 55 push %rbp ffffffff80e393c4: 48 89 e5 mov %rsp,%rbp ffffffff80e393c7: 41 54 push %r12 ffffffff80e393c9: 48 83 ec 08 sub $0x8,%rsp ffffffff80e393cd: 4c 8b 67 18 mov 0x18(%rdi),%r12 ffffffff80e393d1: 48 c7 47 18 00 00 00 movq $0x0,0x18(%rdi) ffffffff80e393d8: 00 ffffffff80e393d9: 49 83 bc 24 e8 00 00 cmpq $0x0,0xe8(%r12) ffffffff80e393e0: 00 00 ffffffff80e393e2: 75 46 jne ffffffff80e3942a <timerfd_fop_close+0x67> ffffffff80e393e4: e8 9a 45 fb ff callq ffffffff80ded983 <itimer_lock> ffffffff80e393e9: 4c 89 e7 mov %r12,%rdi ffffffff80e393ec: e8 a0 51 fb ff callq ffffffff80dee591 <itimer_poison> ffffffff80e393f1: 4c 89 e7 mov %r12,%rdi ffffffff80e393f4: e8 ba 52 fb ff callq ffffffff80dee6b3 <itimer_fini> ffffffff80e393f9: 49 8d bc 24 98 00 00 lea 0x98(%r12),%rdi ffffffff80e39400: 00 ffffffff80e39401: e8 00 26 f6 ff callq ffffffff80d9ba06 <cv_destroy> ffffffff80e39406: 49 8d bc 24 a8 00 00 lea 0xa8(%r12),%rdi ffffffff80e3940d: 00 ffffffff80e3940e: e8 2a c9 ff ff callq ffffffff80e35d3d <seldestroy> ffffffff80e39413: be 28 01 00 00 mov $0x128,%esi ffffffff80e39418: 4c 89 e7 mov %r12,%rdi ffffffff80e3941b: e8 2a 1f fd ff callq ffffffff80e0b34a <kmem_free> ffffffff80e39420: 31 c0 xor %eax,%eax ffffffff80e39422: 48 83 c4 08 add $0x8,%rsp ffffffff80e39426: 41 5c pop %r12 ffffffff80e39428: 5d pop %rbp ffffffff80e39429: c3 retq ffffffff80e3942a: 41 b8 bc 00 00 00 mov $0xbc,%r8d ffffffff80e39430: 48 c7 c1 98 0e 4d 81 mov $0xffffffff814d0e98,%rcx ffffffff80e39437: 48 c7 c2 3d 0f 4d 81 mov $0xffffffff814d0f3d,%rdx ffffffff80e3943e: 48 c7 c6 93 a3 39 81 mov $0xffffffff8139a393,%rsi ffffffff80e39445: 48 c7 c7 18 a4 39 81 mov $0xffffffff8139a418,%rdi ffffffff80e3944c: 31 c0 xor %eax,%eax ffffffff80e3944e: e8 f1 e1 1a 00 callq ffffffff80fe7644 <kern_assert> ffffffff80e39453: eb 8f jmp ffffffff80e393e4 <timerfd_fop_close+0x21>view /export/git-work/src/sys/kern/sys_timerfd.c
379 static int
380 timerfd_fop_close(file_t * const fp)
381 {
382 struct timerfd * const tfd = fp->f_timerfd;
383
384 fp->f_timerfd = NULL;
385 timerfd_destroy(tfd);
386
387 return 0;
388 }
( つっこみ )
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