From: Kevin Wolf <kwolf@redhat.com>
To: Peter Lieven <pl@dlh.net>
Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org
Subject: Re: [Qemu-devel] Latest GIT doesn't work with long device names
Date: Tue, 01 Jun 2010 13:12:35 +0200 [thread overview]
Message-ID: <4C04EB23.3070700@redhat.com> (raw)
In-Reply-To: <4C04E812.7040408@dlh.net>
Am 01.06.2010 12:59, schrieb Peter Lieven:
> Hi,
>
> I just compiled latest git to work on Bug #585113 .
>
> Unfortunately, I can't start the the VMs with the device mappings
> generated by our multipath
> setup.
>
> cmdline:
> /usr/bin/qemu-kvm-devel -net none -drive
> file=/dev/mapper/iqn.2001-05.com.equallogic:0-8a0906-88961b105-19f000e7e7d4beaa-test1,if=scsi,boot=on,cache=none,aio=native
> -drive
> file=/dev/mapper/iqn.2001-05.com.equallogic:0-8a0906-89661b105-458000e7e804beaa-test2,if=scsi,boot=off,cache=none,aio=native
> -drive
> file=/dev/mapper/iqn.2001-05.com.equallogic:0-8a0906-8a361b105-928000e7e834beaa-test3,if=scsi,boot=off,cache=none,aio=native
> -drive
> file=/dev/mapper/iqn.2001-05.com.equallogic:0-8a0906-8af61b105-d10000e7e864beaa-test4,if=scsi,boot=off,cache=none,aio=native
> -m 1024 -cpu qemu64,model_id='Intel(R) Xeon(R) CPU E5520 @
> 2.27GHz' -monitor tcp:0:4005,server,nowait -vnc :5 -name 'ide-test'
> -boot order=dc,menu=on -cdrom
> /home/kvm/cdrom//root/KNOPPIX_V6.2.1CD-2010-01-31-DE.iso -k de -pidfile
> /var/run/qemu/vm-153.pid -mem-path /hugepages -mem-prealloc -rtc
> base=utc,clock=host -usb -usbdevice tablet
>
> error:
> qemu: could not open disk image
> /dev/mapper/iqn.2001-05.com.equallogic:0-8a0906-88961b105-19f000e7e7d4beaa-test1:
> Argument list too long
Might be a problem with the colon in your file name (the error message
is nonsense - I'll send a patch). It takes everything before the first
colon as a protocol name. To work around this you can specify the
protocol explicitly, as in -drive file=host_device:/dev/mapper/...
Kevin
next prev parent reply other threads:[~2010-06-01 11:13 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-01 10:59 [Qemu-devel] Latest GIT doesn't work with long device names Peter Lieven
2010-06-01 11:12 ` Kevin Wolf [this message]
2010-06-01 11:24 ` Peter Lieven
2010-06-01 11:52 ` Peter Lieven
2010-06-01 12:01 ` Peter Lieven
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