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Re: [Qemu-devel] (PAM stuff) reset doesn't work on OVMF + SeaBIOS CSM


From: David Woodhouse
Subject: Re: [Qemu-devel] (PAM stuff) reset doesn't work on OVMF + SeaBIOS CSM
Date: Thu, 14 Feb 2013 22:24:34 +0000

On Thu, 2013-02-14 at 21:41 +0100, Laszlo Ersek wrote:
> I noticed that under OVMF + SeaBIOS CSM + your related patches for both,
> reset requested by the guest doesn't work as expected. The behavior is
> an infinite loop, with the following debug fragment repeated by the
> CSM-ized SeaBIOS:
> 
>   In resume (status=0)
>   In 32bit resume
>   Attempting a hard reboot
>   i8042_wait_write

Hmm. My build from http://david.woodhou.se/OVMF.fd works fine. I did a
legacy boot into (Ubuntu Oneiric's) Grub, then issued the 'reboot'
command...

This appears to be the case for qemu 1.2.0 and 1.3.0, both with and
without KVM.

enter handle_13:
   a=00004200  b=00000801  c=0000003f  d=00000080 ds=6000 es=0000 ss=0000
  si=0000fe00 di=00000000 bp=00001ff0 sp=00001ff2 cs=0000 ip=9157  f=0202
disk_op d=0x0000db20 lba=9269505 buf=0x00068000 count=63 cmd=2
pmtimer: 2:15494096
pmtimer: 2:15494211
In resume (status=0)
In 32bit resume
Attempting a hard reboot
i8042_wait_write
pmtimer: 2:15501497
pmtimer: 2:15501593
pmtimer: 2:15501750
SecCoreStartupWithStack(0xFFFE6000, 0x80000)
File->Type: 0xB
Section->Type: 0x2
Section->Type: 0x19
Section->Type (0x19) != SectionType (0x17)

-- 
dwmw2

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