Re: [Qemu-devel] Boot from disk problem

[Artyom Tarasenko]

On Sat, Nov 26, 2011 at 9:01 AM, Blue Swirl <address@hidden> wrote:
> On Fri, Nov 25, 2011 at 18:24, Ignacio Geli <address@hidden> wrote:
>>
>> El 25/11/11 13:01, Andreas Färber escribió:
>>
>> Hi,
>>
>> Am 25.11.2011 16:23, schrieb Ignacio Geli:
>>
>> Im trying to run a solaris 2.5.1 vm acording the instructions of i found
>> in this blog:
>> http://tyom.blogspot.com/2009/12/solaris-under-qemu-how-to.html#uds-search-results
>
> I'm not sure if Artyom has submitted all his patches to QEMU yet.


This stuff is in. Definitely worked at 0.13 - 0.14 times, but I never
had time to check 0.15+.

>> compile my qemu with:
>> git clone git://git.savannah.nongnu.org/qemu.git
>> cd qemu
>> ./configure --target-list=sparc-softmmu
>> make
>> (version 0.13.50)
>>
>> That 2009 blog is outdated: QEMU now lives in
>> git://git.qemu.org/qemu.git
>> and should be at 0.15.93 (1.0-rc3). Compare http://qemu.org for details.
>>
>> CC'ed sparc maintainer and Artyom.
>>
>> Andreas
>>
>> Andesas tks for the info.
>> upgrading to 0.15.1 did not solve the issue.
>>
>> Adding some info:
>>
>> QEMU emulator version 0.15.1, Copyright (c) 2003-2008 Fabrice Bellard
>> Linux ws2132 2.6.32-5-openvz-amd64 #1 SMP Mon Oct 3 05:12:50 UTC 2011 x86_64 
>> GNU/Linux
>> Debian squeeze
>>
>>
>> Regards!
>>
>> Ive downloaded the ss5.bin bios (sparc station 5)) I have the solaris
>> disk and i can do the installation but can't get the disk to boot.
>>
>> I can boot from the cd, mount and check the /etc/system file it has the
>> "set scsi_options=0x58" option i set to make it work, still not working:
>>
>> Here is the output:
>>
>> /ok boot disk0:d
>> Boot device: 
>> /iommu/sbus/address@hidden,8400000/address@hidden,8800000/address@hidden,0:d 
>>  File
>> and args:
>> SunOS Release 5.5.1 Version Generic [UNIX(R) System V Release 4.0]
>> Copyright (c) 1983-1996, Sun Microsystems, Inc.
>> WARNING:
>> /address@hidden,10000000/address@hidden,10001000/address@hidden,8400000/address@hidden,8800000/address@hidden,0
>> (sd1):
>>     corrupt label - bad geometry
>>
>>     Label says 1310720 blocks, Drive says 883120 blocks
>> Cannot mount root on
>> /address@hidden,10000000/address@hidden,10001000/address@hidden,8400000/address@hidden,8800000/address@hidden,0:d
>>  fstype
>> ufs
>> panic: vfs_mountroot: cannot mount root
>> rebooting...
>> Resetting ... /
>>
>> maybe the disk is wrong
>> ive try several disk one following these instructions:
>> 1) qemu-img create -f qcow2 file.qcow2 12G
>> 2) Add -drive file=file.qcow2,unit=3 to your qemu startup
>> 3) Boot single user
>> 4) echo
>> 'disk_type="QEMU12.0G":ctlr=SCSI:ncyl=49152:acyl=0:pcyl=49152:nhead=16:nsect=32:rpm=7200'
>>
>> /etc/format.dat
>
> I'd guess these geometry parameters are not correct for your 12G disk.
> It's strange though that the installer kernel sees different geometry
> from the normal boot kernel.
>
>> 5) echo
>> 'partition="QEMU12.0G":disk="QEMU12.0G":ctlr=SCSI:2=0,25165824:0=0,20971520:6=40960,4194304'
>>
>> /etc/format.dat
>
> These could also be wrong, but I have no idea what the numbers mean.

In order not to mess with all this numbers I used a pre-defined 1.3G
disk in the Solaris format utility and created it with dd:
dd if=/dev/zero of=$1  bs=10k count=133756


Otherwise, Ignacio, are you sure that disk0 is your root FS disk and
not something else? Can you post your qemu command line?

-- 
Regards,
Artyom Tarasenko

solaris/sparc under qemu blog: http://tyom.blogspot.com/