Re: -10, spurious reboots and instability

[David Brownlee <abs%absd.org@localhost>]

On Wed, 27 Dec 2023 at 08:25, BERTRAND Joël <joel.bertrand%systella.fr@localhost> wrote:
>
>         Hello,
>
>         Yesterday, I have changed my system disk (raid0). Thus, system has
> rebuilt a 1 To raid1 volume and system has crashed three or four times.
>
>         First time :
>
> [  5235.028358] uvm_fault(0xffffffff8190fbc0, 0xfffff6fc5a75b000, 2) -> e
> [  5235.028358] fatal page fault in supervisor mode
> [  5235.028358] trap type 6 code 0x2 rip 0xffffffff80ea1063 cs 0x8
> rflags 0x10246 cr2 0xfffff6fc5a75bb98 ilevel 0 rsp 0xffffac04372f5e98
> [  5235.028358] curlwp 0xfffff8b686f8a180 pid 0.17 lowest kstack
> 0xffffac04372f12c0
> [  5235.028358] panic: trap
> [  5235.028358] cpu2: Begin traceback...
> [  5235.028358] vpanic() at netbsd:vpanic+0x183
> [  5235.028358] panic() at netbsd:panic+0x3c
> [  5235.028358] trap() at netbsd:trap+0xbaf
> [  5235.028358] --- trap (number 6) ---
> [  5235.028358] _atomic_swap_64() at netbsd:_atomic_swap_64+0x3
> [  5235.028358] uvm_km_pgremove_intrsafe() at
> netbsd:uvm_km_pgremove_intrsafe+0x6d
> [  5235.028358] uvm_km_kmem_free() at netbsd:uvm_km_kmem_free+0x3b
> [  5235.028358] gc_thread() at netbsd:gc_thread+0x7c
> [  5235.028358] cpu2: End traceback...
>
> [  5235.038351] dumping to dev 18,1 (offset=251919, size=4162814):
> [  5235.038351] dump
>
>         Of course, no crash dump was written. I have tried to remove swap in a
> first time, and system randomly enters in a lock and reboots (maybe with
> help of watchdog). After rebuild was completed, system seems to be stable.
>
>         Sorry, I'm unable to obtain more information.

Could I ask what controller this was using, and what vintage NetBSD-10
(BETA or RC_1)? There was an issue with the mfi controller which
showed up on earlier netbsd-10 BETA versions

David