Re: post 2.6.7 BK change breaks Java?

[Brian Gerst <bgerst@didntduck.org>]

Brian Gerst wrote:
> Jesper Juhl wrote:
> 
>> On Sun, 11 Jul 2004, Jesper Juhl wrote:
>>
>>
>>> On Sun, 11 Jul 2004, Grzegorz Kulewski wrote:
>>>
>>>
>>>> On Sun, 11 Jul 2004, Jesper Juhl wrote:
>>>>
>>>>
>>>>> On Fri, 9 Jul 2004, Jesper Juhl wrote:
>>>>>
>>>>>
>>>>>> On Fri, 9 Jul 2004, Con Kolivas wrote:
>>>>>>
>>>>>>
>>>>>>> but I suspect it's one of those possibly interfering. Looking at the
>>>>>>> patches in question I have no idea how they could do it. I guess 
>>>>>>> if you
>>>>>>> can try backing them out it would be helpful. Here are links to the
>>>>>>> patches in question.
>>>>>>> http://ck.kolivas.org/patches/2.6/2.6.7/2.6.7-ck5/split-out/1100_ip_tabl 
>>>>>>>
>>>>>>> es.patch
>>>>>>> http://ck.kolivas.org/patches/2.6/2.6.7/2.6.7-ck5/split-out/1105_CAN-200 
>>>>>>>
>>>>>>> 4-0497.patch
>>>>>>> http://ck.kolivas.org/patches/2.6/2.6.7/2.6.7-ck5/split-out/1110_proc.pa 
>>>>>>>
>>>>>>> tch
>>>>>>
>>>>>>
>>>>>> Thanks Con, I'll try playing with those tomorrow (got no time 
>>>>>> tonight),
>>>>>> and report back.
>>>>>>
>>>>>
>>>>> Ok, got them all 3 backed out of 2.6.7-mm7 , but that doesn't change a
>>>>> thing. The JVM still dies when I try to run eclipse.
>>>>
>>>>
>>>> I can run Eclipse without any problems on 2.6.7-bk20-ck5 + few other 
>>>> not
>>>> related patches. Maybe try using non -mm? Try 2.6.7-bk20 and then try
>>>> reverting some patches. Maybe there is some other problem in -mm that
>>>> gives similar results?
>>>>
>>>
>>> with plain 2.6.7-bk20 I see the issue, same with 2.6.7-mm7. Reverting
>>> http://linux.bkbits.net:8080/linux-2.6/cset@1.1743 from -mm7 fixes the
>>> issue. I'm currently building 2.6.7-bk20 minus that cset and I'll report
>>> back on the results of that in a few minutes.
>>>
>>
>> 2.6.7-bk20 minus the cset works.
>>
>> Testing with 2.6.8-rc1 and backing out one or both of the changes in the
>> cset I get these results :
>> 2.6.8-rc1       - vanilla                                       - 
>> breaks Java
>> 2.6.8-rc1-jju1  - both changes backed out                       - works
>> 2.6.8-rc1-jju2  - only first change (sys_rt_sigsuspend) applied - works
>> 2.6.8-rc1-jju3  - only second change (sys_sigaltstack) applied  - 
>> breaks Java
>>
>> -- 
>> Jesper Juhl <juhl-lkml@dif.dk>
> 
> 
> Looks like a GCC (gcc version 3.4.1 20040702 (Red Hat Linux 3.4.1-2)) 
> screwup:
> 
> sys_sigaltstack:
>         movl    4(%esp), %eax
>         movl    8(%esp), %edx
>         movl    56(%esp), %ecx
>         jmp     do_sigaltstack
> 
> The offsets should be 4 more, to account for the return address on the 
> stack.

Nevermind, I should have looked more carefully.  The offsets are fine in 
my example.  What version of GCC are you using?

-- 
				Brian Gerst