Subject: kern/14201: NFS+softdep crash
To: None <gnats-bugs@gnats.netbsd.org>
From: Lennart Augustsson <augustss@augustsson.net>
List: netbsd-bugs
Date: 10/09/2001 20:51:03
>Number: 14201
>Category: kern
>Synopsis: NFS+softdep crash
>Confidential: no
>Severity: serious
>Priority: high
>Responsible: kern-bug-people
>State: open
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Tue Oct 09 17:52:00 PDT 2001
>Closed-Date:
>Last-Modified:
>Originator: Lennart Augustsson
>Release: NetBSD-current 2001-10-07
>Organization:
>Environment:
System: NetBSD hobbes 1.5Y NetBSD 1.5Y (HOBBES) #33: Sun Oct 7 22:58:27 EDT 2001 augustss@sb-hobbes:/usr/src/sys/arch/i386/compile/HOBBES i386
Architecture: i386
Machine: i386
>Description:
I'm using my machine as an NFS server and I can reproduce the
crash quite easily. Disabling softdep makes it go away.
panic: softdep_pageiodone: resid < 0, vp 0xcb259808 lbn 0x0 pcbp 0xcb3c30d0
Begin traceback...
softdep_pageiodone(c09afea0,10,10,10) at softdep_pageiodone+0x147
uvm_aio_aiodone(c09afea0,c09afea0,cb2d58e0,c01a226d,c09afea0) at uvm_aio_aiodone+0x77
genfs_gop_write(cb259808,cb2d58f8,1,3,c06a1f98) at genfs_gop_write+0x3d0
genfs_putpages(cb2d5a44,8,c0177088,cb2328f8,cb259808) at genfs_putpages+0x7de
VOP_PUTPAGES(cb259808,0,0,2000,0) at VOP_PUTPAGES+0x49
uvn_put(cb259808,0,0,2000,0) at uvn_put+0x24
ffs_write(cb2d5bcc,c08b122c,c08b1228,37aee4,c08b1220) at ffs_write+0x6c0
VOP_WRITE(cb259808,cb2d5c78,2c,c08c2184,0) at VOP_WRITE+0x3b
nfsrv_write(c08c2100,c071fa00,cb2328f8,cb2d5df8,cb2d5f80) at nfsrv_write+0x961
nfssvc_nfsd(cb2d5e50,804b640,cb2328f8,c029c83b,cb2d5f80) at nfssvc_nfsd+0x518
sys_nfssvc(cb2328f8,cb2d5f80,cb2d5f78,c02ac6df) at sys_nfssvc+0x6ec
syscall_plain(1f,1f,1f,1f,bfbfd644) at syscall_plain+0xa7
End traceback...
>How-To-Repeat:
Use my laptop as an NFS server.
>Fix:
Dunno.
>Release-Note:
>Audit-Trail:
>Unformatted: