Re: FW: [Xen-users] Problem with Dell Poweredge 1850

[Barry Flanagan <barryf-lists@xxxxxxxxxxx>]

David H wrote:
>>It would be particularly interesting to know what the unstable tree does
>>on these systems, as the code is quite different.
> 
> 
> I may not have been clear; I have been testing with "unstable".  If I
> build unstable with the default configuration and boot dom0 with the
> following grub entry I can make dom0 hang using a number of IO
> intensive commands.  Tar, cp, mkfs, all can cause the problem and
> using scp to copy a large file to another machine will hang the domain
> in no time.  Xen still responds on the serial console.
> 
> title Xen 2.0.6 / XenLinux 2.6.11
>         root (hd0,0)
>         kernel /xen.gz dom0_mem=131072 console=com1 watchdog com1=115200,8n1
>         module /vmlinuz-2.6.11-xen0 root=/dev/VolGroup00/LogVol00 ro
> console=tty0
>         module /initrd-xen-2.0.img   
> 
> Add "nousb"
> module /vmlinuz-2.6.11-xen0 root=/dev/VolGroup00/LogVol00 ro console=tty0 
> nousb
> and the problem goes away.
> 

This corresponds with my experience. I had the same type of problem and
got around it by disabling all USB in the xen-0 kernel config. This was
also on a dell box, but an SC1600 rather than an 1850.

-- 

-Barry Flanagan

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