Re: BUG() with SCSI-interfaced disk images

[John Morrissey <jwm@horde.net>]

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On Thu, Jan 08, 2009 at 08:01:03AM -0600, Ryan Harper wrote:
> I don't need the vmdk, but if there is some other repeatable process
> that can trigger this for you, getting that will allow me to recreate
> the issue myself.  For example, installing Debian into a vmdk, reboot,
> and then fsck'ing from inside the vm would trigger it.  Finding some
> sort of repeatable process that can trip the bug but without using any
> of your specific data would be the best way to move forward with the
> bug.

I can reproduce this when installing Debian lenny i386 (using the lenny rc1
install images from http://www.debian.org/devel/debian-installer/). The
installer will complain of I/O problems when trying to mkfs(8) the
filesystem and will prompt you to retry/ignore. Shortly thereafter, the
domain kernel panics.

Attached is the libvirt configuration; it's pretty straightforward and
translates into this kvm(1) invocation:

/usr/bin/kvm -S -M pc -m 512 -smp 1 -name scsi -monitor pty -boot n \
	-drive file=/var/lib/libvirt/images/scsi.qcow,if=scsi,index=0 \
	-net nic,macaddr=02:00:00:4d:58:13,vlan=0,model=e1000 \
	-net tap,fd=11,script=,vlan=0,ifname=vnet0 \
	-net nic,macaddr=02:00:00:23:7f:3d,vlan=1,model=e1000 \
	-net tap,fd=13,script=,vlan=1,ifname=vnet1 \
	-serial pty -parallel none -usb -vnc 0.0.0.0:0

john
-- 
John Morrissey          _o            /\         ----  __o
jwm@horde.net        _-< \_          /  \       ----  <  \,
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