Re: [Xenomai-help] Kernel crash during queue create/destroy

[Jan Kiszka <jan.kiszka@domain.hid>]

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Jan Kiszka wrote:
> Philippe Gerum wrote:
>> On Wed, 2006-11-15 at 22:01 +0100, Jan Kiszka wrote:
>>
>>> /me unfortunately failed to reproduce your problem here. Instead, I
>>> found a regression in SVN head - different story for a different thread.
>>>
>> It's reproducible here. This bug triggers if you leave enough time
>> between queue creation and deletion for Linux to deal with its usual
>> business, like running workqueues... Additionally, this bug would not
>> trigger with different queue names passed to the creation routines. It
>> seems to be caused by out-of-sequence create/delete requests of /proc
>> entries relayed to the proc_fs subsystem, which does not perform any
>> sanity checks on the data it is submitted.
>>
> 
> Yes, that delay makes the difference. I just added a huge one (100
> ticks), and now I get tones of this:

No, the delay make no difference for me. This one is a new "property" of
#1838 (#1832 is fine), the other issue still doesn't pop up here.


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