[LTP] msgctl10 fails on Powerpc Linux-2.6.29.6

srikanth krishnakar skrishnakar at gmail.com
Thu Jul 23 02:32:27 EST 2009


On Wed, Jul 22, 2009 at 9:14 PM, Kumar Gala <galak at kernel.crashing.org>wrote:

>
> On Jul 22, 2009, at 10:38 AM, srikanth krishnakar wrote:
>
>
>>
>> On Wed, Jul 22, 2009 at 8:52 PM, Kumar Gala <galak at kernel.crashing.org>
>> wrote:
>> I'm not seeing any BUG* in traps.c @ line 904.
>>
>>
>> On Jul 21, 2009, at 4:33 AM, srikanth krishnakar wrote:
>>
>> The LTP test case msgctl10.c fails on linux-2.6.29.6 for PowerPC
>> architecture (ppc440)
>>
>>
>> msgctl10    1  B------------[ cut here ]------------
>> kernel BUG at arch/powerpc/kernel/traps.c:904!
>> Oops: Exception in kernel mode, sig: 5 [#9]
>>
>> I'm not seeing any BUG* in traps.c @ line 904.  Do you have some other
>> patches on top of 2.6.29.6?
>>
>> - k
>>
>>
>> I have LTTng patches on top of linux-2.6.29.6.
>>
>
> Does it modify traps.c?  Can you see what the code around line 904 looks
> like and post that.
>
> - k
>
 896
 897 #if defined(CONFIG_XILINX_VIRTEX_5_FXT) && defined(CONFIG_PPC_FPU)
 898         if (reason & REASON_ILLEGAL) {
 899                 if (excep_state < 1) {
 900                         excep_state++;
 901                         return;
 902                 }
 903                 /* should never get here */
 904                 BUG();
 905         }
 906 #endif
 907
 908         /* Try to emulate it if we should. */


-- 
"The Good You Do, The Best You GET"

Regards
Srikanth Krishnakar
**********************
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