Subject: Re: Quota, Softdeps, and Raid - and the Quality of NetBSD Releases
To: Lasse Kliemann <firstname.lastname@example.org>
From: Manuel Bouyer <email@example.com>
Date: 09/14/2006 22:26:39
On Thu, Sep 14, 2006 at 03:00:43PM +0200, Lasse Kliemann wrote:
> > This is a symptom of some other bug in the kernel, one I have been
> > trying to find for months with only limited success.
> > Is your system, by any chance, an amd64 machine running a 32-bit (i386)
> > kernel?
> Yes! From dmesg:
> cpu0 at mainbus0: (uniprocessor)
> cpu0: AMD Unknown K7 (Athlon) (686-class), 1799.90 MHz, id 0x10ff0
> cpu0: features 78bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR>
> cpu0: features 78bfbff<PGE,MCA,CMOV,PAT,PSE36,MPC,MMX>
> cpu0: features 78bfbff<FXSR,SSE,SSE2>
> cpu0: "AMD Athlon(tm) 64 Processor 3000+"
> I am using NetBSD/i386.
> I get a similar error even when sofdeps are off, but quotas
> are on. It seems to be nearly reproduceable, I just have to
> unpack a large tar file.
> Maybe we can solve this thing?
Well, it seems to be related to amd hardware, and as it's memory corruption
it's quite hard to find. For the record, I run some heavily loaded servers
(NFS/samba servers, mail servers) with quota (but without softdep) on
Intel hardware and never got such a panic.
Manuel Bouyer <firstname.lastname@example.org>
NetBSD: 26 ans d'experience feront toujours la difference