[Xen-devel] Re: [Xen-users] Sometimes HVM winxp with gpl PV drivers 0.8.1 drivers boots forever

[Igor Chubin <igor@xxxxxxx>]

On Mo, Mär 03, 2008 at 10:50:33 +0200, Alexander Piavka wrote:
>
>  Hi,
>
>  I'm using gpl PV drivers 0.8.1 drivers for HVM winxp and sometimes
> it boots forever.
>> From the iostat in dom0 with xen-3.1.2 is see that there is NO access 
>> to 
> the underlying lvm volume of this winxp HVM.


I had similar problem on a host with a localized Windows version.
When I have switched to engliesh Windows, 
OS has booted without any problems.

>
>  From strace i see that qemu-dm indefinetly loops with:
>
> read(14, "\34\0\0\0", 4)                = 4
> write(14, "\34\0\0\0", 4)               = 4
> clock_gettime(CLOCK_MONOTONIC, {53840, 172326473}) = 0
> ioctl(14, EVIOCGKEYCODE, 0x7fff012f0fc0) = 0
> clock_gettime(CLOCK_MONOTONIC, {53840, 172398473}) = 0
> clock_gettime(CLOCK_MONOTONIC, {53840, 172436473}) = 0
> clock_gettime(CLOCK_MONOTONIC, {53840, 172474473}) = 0
> select(18, [7 10 12 14 17], [], [], {0, 10000}) = 1 (in [14], left {0, 10000})
>
>  and
>
> lsof -p 6602  | awk '$4 ~ /(7|10|12|14|17)/'
> qemu-dm 6602 root    7u   CHR             10,200                           
> 1853 /dev/net/tun
> qemu-dm 6602 root   10u   CHR                5,2                           
> 2035 /dev/ptmx
> qemu-dm 6602 root   12r  FIFO                0,5                          
> 14646 pipe
> qemu-dm 6602 root   14u   CHR              10,63                           
> 1819 /dev/xen/evtchn
> qemu-dm 6602 root   17u  IPv4              19833                            
> TCP clustrix20.cs.bgu.ac.il:5911->lesbinux.cs.bgu.ac.il:51837 (ESTABLISHED)
>
> and qemu-dm takes about 10% of cpu
>
>  while others HVM qemu-dm, which boot ok, loop indefinetly with:
>
> select(14, [6 8 9 11 13], [], [], {0, 10000}) = 0 (Timeout)
> clock_gettime(CLOCK_MONOTONIC, {54627, 313284473}) = 0
> clock_gettime(CLOCK_MONOTONIC, {54627, 313366473}) = 0
> clock_gettime(CLOCK_MONOTONIC, {54627, 313450473}) = 0
> clock_gettime(CLOCK_MONOTONIC, {54627, 313558473}) = 0
>
>
> if i reboot this HVM it boots ok , and may boot ok next few times untill  
> it gets stuck the same way on some reboot/start
>
>  I'm not 100% sure it never happens without the gpl PV rivers.
>
>  Any ideas?
>
>  Alex
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users

-- 
WBR, i.m.chubin


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