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Re: 10.99.2 panic in kern_timeout.c
On Wed, Feb 01, 2023 at 02:00:07PM +0100, Thomas Klausner wrote:
> I have a new problem on a system running 10.99.2/amd64 from Jan 27,
> which was heavily bulk building most of the time, and stable.
>
> Now I have seen this panic twice today already (OCR'd so beware of typos):
>
> panic: kernel diagnostic assertion "c->c_cpu->cc_lwp == curlwp || c->c_cu->ce_active != c" failed: file "/usr/src/sys/kern/kern_timeout.c" line 381 running callout 0xffff96631f85b80: c_func (Oxffffffff8@e070e3) c_flags (0x100) destroyed from OxfFffffff80e51f99
> cpu31: Begin traceback...
> vpanic() at netbsd:vpanic+0x183
> kern_assert() at netbsd:kern_assert+0x4b
> callout_destroy() at netbsd:callout_destroy+0xa2
> timerfd_fop_close() at netbsd:timerfd_fop_close+0x36
> closef() at netbsd:closef+0x60
> fd_close() at netbsd:fd_close+ 0x138
> sys_close() at netbsd:sys_close+0x22
> syscall() at netbsd: svscall+0x196
> --- syscall (number 6) ---
> netbsd: syscall+0x196:
> cpu31: End traceback..
> fatal breakpoint trap in supervisor mode
> trap type 1 code 0 rip 0xffffffff80235315 cs 0x8 rflags 0x202 cr2 0x71b8870b12dd ilevel 0 rsp 0xffffa2a133029db0
>
> The biggest change recently is probably that my bulk build switched
> from ghc92 to ghc94, but I don't know if that could cause this.
Next bulk build, next panic, quite reliably. Has anyone else seen this?
Thomas
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