Re: [Xen-devel] on starting HVM-domU whole system freezes with "soft lockup - CPU X stuck for XXs! [qemu-dm:...]" [xen 4.0, xen 4.1]

["MadLoisae@xxxxxxx" <MadLoisae@xxxxxxx>]

I have to revise my last email.
Not only the initialisation is slow, also further I/O stalls the dom0.
This is an Intel 945GM/E chipset, with an IDE-CF-Card as / (ext3) 
filesystem and an IDE-2.5" hardisk (/home, ext4). IDE-CF-card is slower, 
only able to read/write about 35MBytes/second, the 2.5" HDD is at about 
55MBytes/sec.
Both, the ISO-image and the virtual harddisk are on the /home directory 
and therefore on the harddisk.
Is there maybe an I/O problem? Dom0 is able to do everysth. like usual 
on all filesystems, both disks are without errors.
Alois

On 04/18/2011 11:02 PM, Konrad Rzeszutek Wilk wrote:
> On Sat, Apr 16, 2011 at 12:11:34AM +0200, MadLoisae@xxxxxxx wrote:
>    
> > I just saw that I made two threads instead of one ... hopefully this
> > email now receives in the correct one. ;)
> >      
> The log file is a bit stange. The HVM says:
>
> (XEN) HVM1: ata0 master: QEMU HARDDISK ATA-7 Hard-Disk (   0 MBytes)
>
> Is your /home/guest1.dsk really 0 megabytes? Have you
> tried to use a physical device (say LVM logical volume) just to eliminate
> it being the blktap at fault here? (there was a bug in the blktap
> driver that Daniel posted recently here).
>
> Instead of using the configuration with the sxp expression can you just
> post the .xm one please? They are much easier to read.
>
>
>    

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