strange Bug

teclis High Elf teclis.high.elf at gmail.com
Fri Nov 21 19:35:51 CET 2014


what does it mean in the JDB lp command if there is an  *asterisk * *after
the name of the thread in the *wait *column ?

id cpu name             pr     sp  wait    to state
 109 0   cons              a     ba    77*      rcv_wait


On Tue, Nov 18, 2014 at 6:19 PM, ba_f <ba_f at rbg.informatik.tu-darmstadt.de>
wrote:

> Hi,
>
>
>  And at 15c7a8 there is e12fff37 <=> blx r7 , which i've already
>>> found in MOE. But that's not what i'm looking for, is it?
>>>
>>
>> This has nothing to do with MOE. When you objdump the myClient binary,
>> can you find the address in there? Does the binary contain blx r7 as well?
>>
>
> No, this instruction or PC is not in myClient nor in myServer. But i can
> find the instruction in a shared lib which myServer uses.
>
> btw. i use l4re-snapshot-2014022818.
>
>  Goto f118a000, gives me the PC=15c7a8 again, where the Error
>>> happens.
>>>
>>
>> Yep, the UTCB contains the exception message informing the exception
>> handler about the page fault. This is the effect of your page fault,
>> not the cause.
>>
>
> Well then, where do i find the cause for the page error?
> Do i need a deeper unterstanding of the stack, or shall i just look at the
> instructions around PC=15c7a8 ?
>
>
>
> greets,
> ba_f
>
>
>
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