[arch-releng] automated iso builds

[Gerardo Exequiel Pozzi]

On 02/10/2010 04:49 PM, Gerardo Exequiel Pozzi wrote:
> On 02/10/2010 09:35 AM, Dieter Plaetinck wrote:
>> On Tue, 09 Feb 2010 18:58:14 -0300
>> Gerardo Exequiel Pozzi<vmlinuz386 at yahoo.com.ar>  wrote:
>>
>>> Good!, the only problem for doing automatic builds is that in
>>> _random_ cases squashfs image of "overlay" is created corrupted (from
>>> the same data) :(
>>> I experimented this many times, and the way to test if all is good
>>> is: or doing a boot, or mounting the squashfs image on read some
>>> files. I can remember that also tested if the problem persiste with
>>> mksquashfs -processors 1 but the problem still persist.
>> that's odd. can you investigate? maybe this is a bug in the squashfs
>> tools?
>> in the worst case scenario i add a bit of code to the buildscripts that
>> mounts the image and tests it.
>>
> I can remember an email from GerBra, which these errors [#1]. But this 
> is unrelated to errors messages about ioctl.
> The bug is on mksqashfs. I will look how can report it to devs ;)
> The bad image is created with lots of \x00 just after the header.
>
> On mksquashfs the error is detected, but the program always return 0, 
> the only difference is you can see this message:
> Lseek on destination failed because Bad file descriptor
> or:
> Write failed because Bad file descriptor
> Write on destination failed because Bad file descriptor
>
> mksquashfs work/overlay lolcat.sqfs -noappend
>
> adding one file inside (about ~100k), I can not reproduce the error. 
> (I tried with different block sizes but is the same)
Applying this patch solves the issue :)

http://squashfs.cvs.sourceforge.net/viewvc/squashfs/squashfs/squashfs-tools/mksquashfs.c?r1=1.141&r2=1.142

Opening a bug report in FS ;)


-- 
Gerardo Exequiel Pozzi ( djgera )
http://www.djgera.com.ar
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