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Re: vfs_bio KASSERT (again)

On Sun, Jun 22, 2008 at 08:12:40PM +0200, Manuel Bouyer wrote:
> thanks; I'm now running 2 dom0 with this patch, let see how it goes.
> Note that both servers ran several days before hitting the panic,
> so I can't say it works just because a domU booted ...

That was not it, I got the panic again:
panic: kernel diagnostic assertion "!ISSET(bp->b_cflags, BC_BUSY)" failed: file6
fatal breakpoint trap in supervisor mode
trap type 1 code 0 rip ffffffff804abc6d cs e030 rflags 246 cr2  7f7ffd816060 cp0
Stopped in pid 1009.1 (find) at netbsd:breakpoint+0x5:  leave
breakpoint() at netbsd:breakpoint+0x5
panic() at netbsd:panic+0x255
__kernassert() at netbsd:__kernassert+0x2d
getnewbuf() at netbsd:getnewbuf+0x2b4
getblk() at netbsd:getblk+0x91
bio_doread() at netbsd:bio_doread+0x24
bread() at netbsd:bread+0x22
ffs_read() at netbsd:ffs_read+0x372
VOP_READ() at netbsd:VOP_READ+0x2d
ufs_readdir() at netbsd:ufs_readdir+0x10b
VOP_READDIR() at netbsd:VOP_READDIR+0x39
vn_readdir() at netbsd:vn_readdir+0x10e
sys___getdents30() at netbsd:sys___getdents30+0x89
syscall() at netbsd:syscall+0x98

Are we supposed to clear BC_BUSY ourselve too ?

Manuel Bouyer, LIP6, Universite Paris VI.  
     NetBSD: 26 ans d'experience feront toujours la difference

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