Re: [Qemu-devel] qemu: qemu_mutex_lock: Invalid argument

[Yoshiaki Tamura]

Hi Rick,

2010/9/15 Corentin Chary <address@hidden>:
> On Tue, Sep 14, 2010 at 10:00 PM, Rick Vernam <address@hidden> wrote:
>> I don't have nearly enough info to file a proper bug report.
>>
>> I am running qemu-kvm-0.13.0 rc1
>> starting qemu like so:
>> /root/qemu/bin/qemu-system-x86_64 -cpu host -enable-kvm -drive
>> file=/root/qemu/w2k3_server.raw,if=virtio,aio=native -net
>> nic,model=virtio,macaddr=52:54:00:12:34:56 -net tap,ifname=tap0 -localtime -
>> usb -usbdevice tablet -vga std -vnc :25581 -monitor stdio -m 512 -runas rick
>>
>> Every now and again, qemu will up and quit leaving only the following 
>> message:
>> qemu: qemu_mutex_lock: Invalid argument
>>
>> At the moment I can't stop what I'm doing to go learn how to debug qemu, but
>> I'd be happy if anybody is interested in suggesting something I could do to
>> provide some info about this bug...
>> Would it be helpful to build with -O0 -g and run in gdb, then get a bt when 
>> it
>> dies?
>> I haven't put this into production yet, so I can still afford downtime & re-
>> compiles...etc.
>>
>> thanks..
>>
>> host machine is:
>> 2.6.32-gentoo-r7 x86_64 Intel(R) Xeon(R) CPU E5450 @ 3.00GHz GenuineIntel
>> GNU/Linux
>>
>> guest os is Windows Server 2003, Standard Edition.  Service Pack 2.
>> Red Het VirtIO Ethernet Adapter Driver Version: 5.1.209.605
>> Red Hat VirtIO SCSI Controller Driver Version: 6.0.0.10
>>
>> here is how I ran configure:
>> ./configure --prefix=/root/qemu --target-list=x86_64-softmmu 
>> --extra-cflags="-
>> march=native -O2 -pipe" --extra-ldflags="-march=native -O2 -pipe" 
>> --audio-drv-
>> list= --audio-card-list= --disable-curses --disable-curl --enable-vnc-tls --
>> enable-vnc-sasl --enable-vnc-jpeg --enable-vnc-png --enable-vnc-thread
>>
>>
>
> There is two patch for that
> http://patchwork.ozlabs.org/patch/62420/

Can you try the patch above?  If it works, I need to ask Anthony to
pick it up for 0.13.

Thanks,

Yoshi

> http://patchwork.ozlabs.org/patch/62263/
>
> On of these patch is already in master:
> http://git.qemu.org/qemu.git/commit/?id=ac71103dc6b408775ae72067790ab367912f75ec
>
> --
> Corentin Chary
> http://xf.iksaif.net
>
>