Date: Thu, 2 Dec 2010 15:31:41 -0800 From: Garrett Cooper <gcooper@FreeBSD.org> To: obrien@freebsd.org, freebsd-current@freebsd.org Subject: Re: [PANIC] ffs_alloccg: map corrupted Message-ID: <AANLkTimgM6pENa2g8mwsTfLOAxPRNUTQ_Ox8LcDk1QHq@mail.gmail.com> In-Reply-To: <20101202224329.GA5033@dragon.NUXI.org> References: <20101202224329.GA5033@dragon.NUXI.org>
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On Thu, Dec 2, 2010 at 2:43 PM, David O'Brien <obrien@freebsd.org> wrote:
> Thoughts?
>
> FreeBSD 9.0-CURRENT #654 r215604M: Sat Nov 20 19:51:27 PST 2010
> =A0 =A0rootk@dragon:/sys/i386/compile/DRAGON i386
> [..]
> start =3D 0, len =3D 3359, fs =3D /files
> panic: ffs_alloccg: map corrupted
> cpuid =3D 1
> KDB: stack backtrace:
> db_trace_self_wrapper(c0839222,a0d7365,0,c08affe0,7,...) at 0xc04e9ab6 =
=3D db_trace_self_wrapper+0x26
> kdb_backtrace(c0857e2a,1,c084c0c3,e99dd70c,1,...) at 0xc05fa2fa =3D kdb_b=
acktrace+0x2a
> panic(c084c0c3,0,d1f,c6bfc8d4,e1230000,...) at 0xc05cd297 =3D panic+0x117
> ffs_mapsearch(3f03fe0,0,8,0,0,...) at 0xc0751793 =3D ffs_mapsearch+0x153
> ffs_alloccgblk(3f03fe0,0,4000,5a5,0,...) at 0xc075198c =3D ffs_alloccgblk=
+0xec
> ffs_alloccg(c98706cc,2be,3f03fe0,0,4000,...) at 0xc07522b3 =3D ffs_allocc=
g+0x1b3
> ffs_hashalloc(3f03fe0,0,4000,4000,c0752100,...) at 0xc074ebb1 =3D ffs_has=
halloc+0x41
> ffs_alloc(c98706cc,e,0,3f03fe0,0,...) at 0xc075332f =3D ffs_alloc+0x19f
> ffs_balloc_ufs2(ce55e660,38000,0,4000,ce77b300,...) at 0xc0755629 =3D ffs=
_balloc_ufs2+0x1949
> ffs_write(e99ddb90,e99ddb4c,e99ddb10,c0778dc2,ce55e6b8,...) at 0xc0777f66=
=3D ffs_write+0x276
> VOP_WRITE_APV(c08b0500,e99ddb90,ce55e660,264,0,...) at 0xc07fb574 =3D VOP=
_WRITE_APV+0xe4
> vn_write(cf7a9cb0,e99ddc24,ce77b300,0,cb5a2870,...) at 0xc065ec93 =3D vn_=
write+0x1c3
> dofilewrite(e99ddc24,ffffffff,ffffffff,0,cf7a9cb0,...) at 0xc060a9f5 =3D =
dofilewrite+0x95
> kern_writev(cb5a2870,1,e99ddc24,e99ddc44,1,...) at 0xc060ac88 =3D kern_wr=
itev+0x58
> write(cb5a2870,e99ddcec,4,c08ecbc0,b,...) at 0xc060ad0f =3D write+0x4f
> syscallenter(cb5a2870,e99ddce4,c05bde7d,c709d0d0,3110a33f,...) at 0xc0605=
d43 =3D syscallenter+0x2c3
> syscall(e99ddd28) at 0xc07dcf94 =3D syscall+0x34
> Xint0x80_syscall() at 0xc07c8e91 =3D Xint0x80_syscall+0x21
> --- syscall (4, FreeBSD ELF32, write), eip =3D 0x281e260b, esp =3D 0xbfbf=
c19c, ebp =3D 0xbfbfc1b8 ---
> panic: bufwrite: buffer is not busy???
> cpuid =3D 1
UFS? UFS2? SU? SU+J? Got more details :)?
Thanks,
-Garrett
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