Date: Thu, 19 Jul 2012 23:36:21 +0200 From: Olivier Smedts <olivier@gid0.org> To: greg@bonett.org Cc: freebsd-stable@freebsd.org Subject: Re: kernel panic caused by zfs/sa.c Message-ID: <CABzXLYMMJGh3GtgrGNd7LRWNuSLuUE_aKRNj7gKj9sgEkFOYdg@mail.gmail.com> In-Reply-To: <1342733091.12482.12.camel@home.bonett.org> References: <1342733091.12482.12.camel@home.bonett.org>
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2012/7/19 Greg Bonett <greg@bonett.org>:
> Hello,
>
> I'm experiencing a kernel panic that appears to be caused by zfs.
>
> No errors are making it into /var/log/messages, but here is the error
> message that appears on my screen after panic (transcribed):
>
> panic solaris assert BSWAP_32(sa_hdr_phys->sa_magic) == SA_MAGIC,
> file: /src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/sa.c, line 1262
>
> I can reproduce this by running "cd /usr/ports/www/webkit-ghtk2; make
> clean"
If that's some sort of filesystem corruption, and you use portsnap, do
you still have a panic after "portsnap extract www/webkit-gtk2 && cd
/usr/ports/www/webkit-gtk2 && make clean" ?
> I looked at line 1262 in sa.c and it's part of a bit of code that checks
> if byte swapping is necessary. The code starting at line 1260:
>
>
> if (IS_SA_BONUSTYPE(bonustype) && sa_hdr_phys->sa_magic != SA_MAGIC &&
> sa_hdr_phys->sa_magic != 0) {
> VERIFY(BSWAP_32(sa_hdr_phys->sa_magic) == SA_MAGIC);
> sa_byteswap(hdl, buftype);
> }
>
> As far as I can tell, my source is up to date and this code is the same
> as what is in 9-STABLE.
>
> I'm not sure what's causing the panic, does anyone have a suggestion?
>
> Thanks for the help.
>
> --Greg
>
>
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--
Olivier Smedts _
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et ceux qui ne le comprennent pas."
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