Re: netbsd 10 i386 domU panic

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Sat, Dec 30, 2023 at 01:33:46PM -0500, Greg Troxel wrote:
> I have a xen box, with only 8 GB, which is not really enough RAM I know.
> My OS builds are from December 25th.
> 
> The dom0 is netbsd-10 amd64, xen 4.15.   It gets 4 GB.
> 
> I have 4 domUs, 9/10 i386/amd64.  The i386 ones get 1 GB and the amd64 3
> GB.  I run either 9 or 10, not both.
> 
> Aside from the zfs lockup it is reliable.
> 
> Recently I shut down 9 i386 and booted 10 i386, updated the OS, and
> kicked off pkg_rolling-replace.  It has now crashed twice, and I have
> console info from the second crash from 'xl console' to a file.
> 
>   [ 45847.7690156] panic: fpudna from userland, ip 0xbb6cec9a, trapframe 0xda5f1fa8
>   [ 45847.7690156] cpu1: Begin traceback...
>   [ 45847.7690156] vpanic(c0505978,da5f1f8c,da5f1f9c,c01322db,c0505978,c050599c,bb6cec9a,da5f1fa8,bb697000,bf7fe170) at netbsd:vpanic+0x18e
>   [ 45847.7690156] panic(c0505978,c050599c,bb6cec9a,da5f1fa8,bb697000,bf7fe170,c0102f9e,da5f1fa8,bb4b00b3,300ab) at netbsd:panic+0x18
>   [ 45847.7690156] fpudna(da5f1fa8,bb4b00b3,300ab,bf7f001f,bf7f001f,bb4af000,bb48300c,bf7fe170,bb697000,83a39ff) at netbsd:fpudna+0x3b
>   [ 45847.7690156] cpu1: End traceback...
>   [ 45847.7690156] dump to dev 142,8 not possible
>   [ 45847.7690156] rebooting...
> 
> This appears to be https://gnats.netbsd.org/55437.

I get it occasionally from ATF runs. I've not been able to track it down yet

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--