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

["Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>]

> I am using a SuperMicro server with the same Intel E7520 "Lindenhurst"
> chipset as the dell 1850.  It looks like the 1600SC has a 
> ServerWorksR GC-SL chipset.  Both have onboard intel 
> NICs(82540/82544), they may share other componets.

This is useful information, thanks. Please could we have a 'roll call'
of the motherboard chipsets of anyone that's seeing this problem. Do you
have any usb devices plugged in to the machine? Also, what's the usb
controller?

Is there any differece in the boot messages between xen-unstable and a
similarly configured native linux kernel booting on these systems?

Thanks,
Ian

 
> David
> 
> On 5/27/05, Barry Flanagan <barryf-lists@xxxxxxxxxxx> wrote:
> > 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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> >
> 
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