Subject: 3.0_BETA panic in softdep_pageiodone
To: None <>
From: Hubert Feyrer <>
List: current-users
Date: 04/22/2005 21:03:15
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My 3.0_BETA machine paniced while doing nothing special (desktop usage)=20

(gdb) target kcore netbsd.12.core
panic: softdep_pageiodone: resid < 0, vp %p lbn 0x%llx pcbp %p iosize %ld, =
size %d, asize %d, bsize %d
#0  0x00000104 in ?? ()
(gdb) bt
#0  0x00000104 in ?? ()
#1  0xd158bca0 in ?? ()
#2  0xc02730d6 in bwrite (bp=3D0xc1b68f04)
     at /home/cvs/src-3/sys/kern/vfs_bio.c:761
#3  0xc0283169 in VOP_LOOKUP (dvp=3D0xc1b68f04, vpp=3D<incomplete type>, cn=
     at /home/cvs/src-3/sys/kern/vnode_if.c:133
#4  0xc01ebf4c in ffs_full_fsync (v=3D0xcbd91d74)
     at /home/cvs/src-3/sys/ufs/ffs/ffs_vnops.c:405
#5  0xc01eba20 in ffs_fsync (v=3D0xcbd91d74)
     at /home/cvs/src-3/sys/ufs/ffs/ffs_vnops.c:260
#6  0xc0283528 in VOP_SEEK (vp=3D0xcdc19a94, oldoff=3D3410362368, newoff=3D=
     cred=3D0x0) at /home/cvs/src-3/sys/kern/vnode_if.c:816
#7  0xc01e9f58 in ffs_sync (mp=3D<incomplete type>, waitfor=3D2, cred=3D0xc=
     p=3D0xcb46f334) at /home/cvs/src-3/sys/ufs/ffs/ffs_vfsops.c:1333
#8  0xc027c506 in sys_sync (l=3D0xcb46b630, v=3D0x0, retval=3D0x0)
     at /home/cvs/src-3/sys/sys/vnode.h:636
#9  0xc027a954 in vfs_shutdown () at /home/cvs/src-3/sys/kern/vfs_subr.c:27=
#10 0xc02d50f3 in cpu_reboot (howto=3D256, bootstr=3D0x0)
     at /home/cvs/src-3/sys/arch/i386/i386/machdep.c:743
#11 0xc02560f4 in panic (fmt=3D0xc03d6540 "")
     at /home/cvs/src-3/sys/kern/subr_prf.c:212
#12 0xc01e78e5 in softdep_pageiodone (bp=3D0xc1a4be44)
     at /home/cvs/src-3/sys/ufs/ffs/ffs_softdep.c:5963
#13 0xc02c9471 in uvm_wait (wmsg=3D0xc1a4be44 "\214=B5=A4=C1H*V=C1=F4=BF=A4=
     at x86/intr.h:137
#14 0xc02c97ae in uvm_aiodone_daemon (arg=3D0xcb46b630)
     at /home/cvs/src-3/sys/uvm/uvm_pdaemon.c:367

I'll keep the kernel & dump around for a few more days in case someone=20
wants it.

  - Hubert