Re: kern/12404 (panic: ffs_alloccg: map corrupted)

[Havard Eidnes <he%uninett.no@localhost>]

The following reply was made to PR kern/12404; it has been noted by GNATS.

From: Havard Eidnes <he%uninett.no@localhost>
To: gnats-bugs%NetBSD.org@localhost, pooka%NetBSD.org@localhost
Cc: kern-bug-people%NetBSD.org@localhost, netbsd-bugs%NetBSD.org@localhost,
 gnats-admin%NetBSD.org@localhost
Subject: Re: kern/12404 (panic: ffs_alloccg: map corrupted)
Date: Wed, 23 Jan 2008 11:42:20 +0100 (CET)

 It just happened again (twice today), stack backtrace is:
 
 start =3D 1, len =3D 11798, fs =3D /u
 offset=3D3086 3086
 cg 324
 panic: ffs_alloccg: map corrupted
 Stopped in pid 5659.1 (i386--netbsdelf-) at     netbsd:breakpoint+0x1: =
  ret
 db{1}> =
 
 db{1}> tra
 breakpoint(c0976e84,144,c0e,c358c0d4,c0a738e0) at netbsd:breakpoint+0x1=
 
 ffs_alloccgblk(1d2a8e8,0,5,4000,ffffffff) at netbsd:ffs_alloccgblk
 ffs_alloccg(d13a229c,144,1d2a8e8,0,2800) at netbsd:ffs_alloccg+0x258
 ffs_hashalloc(1d2a8e8,0,2800,c03991e0,0) at netbsd:ffs_hashalloc+0x3a
 ffs_alloc(d13a229c,0,0,1d2a8e8,0) at netbsd:ffs_alloc+0x1ae
 ffs_balloc_ufs1(271c,cde09540,0,0,cde09540) at netbsd:ffs_balloc_ufs1+0=
 x487
 ffs_balloc(def842a0,0,0,271c,cde09540) at netbsd:ffs_balloc+0x71
 ufs_gop_alloc(def842a0,0,0,271c,0) at netbsd:ufs_gop_alloc+0xc4
 ufs_balloc_range(def842a0,0,0,271c,0) at netbsd:ufs_balloc_range+0x288
 ffs_write(ce118b34,cf021a80,ce118b4c,c0494252,def842a0) at netbsd:ffs_w=
 rite+0x9c7
 VOP_WRITE(def842a0,ce118bac,10,cde09540,d63ea574) at netbsd:VOP_WRITE+0=
 x4e
 vn_write(d48402d8,d4840304,ce118bac,cde09540,1) at netbsd:vn_write+0xdf=
 
 dofilewrite(28,d48402d8,bbacc000,271c,d4840304) at netbsd:dofilewrite+0=
 x75
 sys_write(cf021a80,ce118c30,ce118c58,bfbec400,bfbec000) at netbsd:sys_w=
 rite+0x9c
 syscall(ce118c78,b3,ab,1f,1f) at netbsd:syscall+0x134
 
 This is on a 2x HTT Xeon (appears to have 4 CPUs) running 4.99.40.
 
 I'll keep the core-dump for a few weeks if someone is willing to look
 closer into what might be the problem.
 
 Regards,
 
 - H=E5vard