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

[Alexander Piavka <piavka@xxxxxxxxxxxx>]

On Mon, 3 Mar 2008, Igor Chubin wrote:

> On Mo, MÃr 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.
 Well i'm using English only Windows & the boot problem appears randomly 
and boot ok most of the times.
 Alex

> >  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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