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Re: port-amd64/43236: Removing a file while it is accessed through NFS c

Subject: Re: port-amd64/43236: Removing a file while it is accessed through NFS crashes the server
From: Manuel Bouyer
Date: Tue, 4 May 2010 13:20:48 +0200
On Mon, May 03, 2010 at 07:40:04PM +0000, Peter Kerwien wrote:
>  OK, here it comes. This time it was reproduced on a NetBSD-5.0.2
>  installation without any modifications.
>  
>  uvm_fault(0xffff80004e9ab2e0, 0x0, 1) -> e
>  fatal page fault in supervisor mode
>  trap type 6 code 0 rip ffffffff803b4172 cs 8 rflags 10246 cr2 c0 cpl 0 rsp
>  ffff8000ef7eb710
>  kernel: page fault trap, code=0
>  Stopped in pid 208.2 (nfsd) at netbsd:ufs_fhtovp+0x42: cmpw $0,0xc0(%rax)
>  db{1}>bt
>  ufs_hvtovp() at netbsd:ufs_hvtovp+0x42
>  ufs_hvtovp() at netbsd:ufs_hvtovp+0x58
>  VFS_HVTOVP() at netbsd:VFS_HVTOVP+0x33
>  nfsrv_hvtovp() at netbsd:nfsrv_hvtovp+0xa8

should the *hvtovp here read *fhtovp ? AFAIK *hvtovp don't exists in
the NetBSD kernel.
if it's really crashing in ufs_fhtovp this may be fixed in NetBSD 5.1_RC1

-- 
Manuel Bouyer <[email protected]>
     NetBSD: 26 ans d'experience feront toujours la difference
--

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