Re: current dom0 panic on domu launch

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Mon, Oct 05, 2009 at 10:43:42PM +1100, Sarton O'Brien wrote:
> Updated a few hours ago (5.99.20), forgot to capture the uname.
> ddb.commandonenter = trace;show registers seems to be the default (I 
> remember that being instated, great idea), the output was:
> 
> # xm create spike
> Using config file "/usr/pkg/etc/xen/spike".
> sysctl_createv: sysctl_create(xvif1.0) returned 22
> xvif1.0: could not attach sysctl nodes
> xbd backend: attach device vnd0d (size 83886080) for domain 1
> xbd backend: attach device sd0a (size 1953525168) for domain 1
> Oct  5 22:11:05 gogeta xenbackendd[305]: Failed to read 
> /local/domain/0/backend/
> console/1/0/script (No such file or directory)
> Started domain spike
> # uvm_fault(0xffffffff80c2da00, 0x0, 1) -> e
> fatal page fault in supervisor mode
> trap type 6 code 0 rip ffffffff805651f3 cs e030 rflags 10246 cr2  0 cpl 
> 0 rsp ff
> ffa00013ac3ad0
> kernel: page fault trap, code=0
> Stopped in pid 0.43 (system) at netbsd:sdioctl+0x506:   movl    0(%rcx),%r8d
> sdioctl() at netbsd:sdioctl+0x506
> VOP_IOCTL() at netbsd:VOP_IOCTL+0x31
> xbdback_do_io() at netbsd:xbdback_do_io+0xd2
> workqueue_worker() at netbsd:workqueue_worker+0x81

Could you see if xbdback_xenbus.c 1.26 fixes your issue ?

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--