Date: Fri, 15 May 2009 09:02:14 -0700 (PDT) From: Chris Timmons <cwt@networks.cwu.edu> To: Kostik Belousov <kostikbel@gmail.com> Cc: freebsd-stable@freebsd.org, Martin Sugioarto <nakal@web.de>, John Baldwin <jhb@freebsd.org> Subject: Re: kernel trap 12 with interrupts disabled [bge0 on 7.2R] Message-ID: <20090515085956.X21017@n.cwu.edu> In-Reply-To: <20090515130609.GG1927@deviant.kiev.zoral.com.ua> References: <1696198956@web.de> <20090514091410.H12558@n.cwu.edu> <20090514093008.Q12558@n.cwu.edu> <200905141317.56551.jhb@freebsd.org> <20090514152838.E12558@n.cwu.edu> <20090515082458.GB1927@deviant.kiev.zoral.com.ua> <20090515053142.D17400@n.cwu.edu> <20090515130609.GG1927@deviant.kiev.zoral.com.ua>
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Kostik,
Looking good after applying your patch and rebuilding the kernel. I've
been exercising the machine for a couple of hours under the same load
which crashed it in short order yesterday.
I will report back if any problems appear.
Thank you for your help!
Regards,
-Chris
last pid: 4131; load averages: 11.72, 8.89, 5.94
up 0+02:03:21 08:59:48
102 processes: 6 running, 96 sleeping
CPU: 38.7% user, 0.0% nice, 11.2% system, 0.0% interrupt, 50.1% idle
Mem: 409M Active, 1737M Inact, 241M Wired, 544K Cache, 112M Buf, 1372M
Swap: 8192M Total, 8192M Free
On Fri, 15 May 2009, Kostik Belousov wrote:
> The file structure in the dump is fully initialized. It seems that the
> issue is with devfs replacing file ops vector with devfs-specific one
> in devfs_open() before the struct file is fully initialized in vn_open.
> Please, try the patch below (against 7) and report results.
>
> Index: fs/devfs/devfs_vnops.c
> ===================================================================
> --- fs/devfs/devfs_vnops.c (revision 192089)
> +++ fs/devfs/devfs_vnops.c (working copy)
> @@ -890,6 +890,7 @@
> if (fp != NULL) {
> FILE_LOCK(fp);
> fp->f_data = dev;
> + fp->f_vnode = vp;
> FILE_UNLOCK(fp);
> }
> fpop = td->td_fpop;
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