Re: [Qemu-devel] OpenBios in Sparc can't handle long kernel command lines.

[Rob Landley <rob@landley.net>]

On 04/19/2013 05:27:55 AM, Mark Cave-Ayland wrote:
> On 22/03/13 05:19, Rob Landley wrote:
> 
>> If I do this:
>> 
>> qemu-system-sparc -nographic -no-reboot -kernel image -hda hda.sqf
>> -append 'root=/dev/sda rw init=/sbin/init.sh panic=1
>> PATH=/usr/distcc:/bin:/sbin console=ttyS0 HOST=sparc CPUS=1
>> DISTCC_HOSTS=10.0.2.2:31322/1 FTP_SERVER=10.0.2.2 FTP_PORT=31307
>> NATIVE_BUILD=lfs-bootstrap ' -hdb hdb.img -hdc lfs-bootstrap.hdc -m  
>> 256
>> 
>> qemu goes:
>> 
>> ^[[H^[[JConfiguration device id QEMU version 1 machine id 32
>> CPUs: 1 x FMI,MB86904
>> Unhandled Exception 0x00000007
>> PC = 0xffd07d28 NPC = 0xffd07d2c
>> Stopping execution
>> 
>> And then hangs. I've never figured out why it clears the screen first
>> (none of the other targets do), but I _have_ figured out that the
>> unhandled exception is "kernel command line too long". Because 197  
>> bytes
>> is just too much data for Sparc to cope with.
>> 
>> Rob
> 
> This is now fixed in OpenBIOS SVN trunk, and so should be included in  
> QEMU 1.5
> when we update the images in git master. Thanks for the report!

Yay! Thank you. I look forward to trying it out when QEMU refreshes.

Rob