[stgt] help tgt segfault

[Tomasz Chmielewski]

FUJITA Tomonori schrieb:
> On Wed, 17 Dec 2008 16:09:58 +0100
> Tomasz Chmielewski <mangoo at wpkg.org> wrote:
> 
>> Tomasz Chmielewski schrieb:
>>> FUJITA Tomonori schrieb:
>>>
>>>>> Which will result in:
>>>>>
>>>>> Dec 16 13:55:32 megathecus kernel: tgtd[4872]: segfault at 00000220 
>>>>> eip 0804f0b5 esp 77c43ff0 error 4
>>>> Hmm, unfortunately, I can't reproduce this.
>>> Strange, it is 100% reproducible here, on a x86 system. I didn't try 64 
>>> bit.
>>> I just do dmsetup suspend / wait a few seconds / dmsetup resume, while 
>>> the initiator is reading data, and tgtd segfaults.
>> It crashes if I wait about 120 seconds or more.
>> If I wait less, it does not crash.
> 
> I made sure that I wait about 120 seconds but I can't reproduce this
> (it takes about 120 seconds to see the abort and close messages in the
> log.
> 
> We should not see a series of 'conn_close' messages. Something
> unexpected happens at your box.
> 
> Can you try this and send the log? It doesn't fix the problem but
> gives more information.

Does it help?

Dec 17 16:50:25 megathecus tgtd: abort_task_set(988) found e0000a02 0
Dec 17 16:50:25 megathecus tgtd: iscsi_tcp_event_handler(167) connection closed 0x807028c
Dec 17 16:50:25 megathecus tgtd: conn_close(90) connection closed 0x807028c 2 0 11
Dec 17 16:50:28 megathecus tgtd: conn_close(90) connection closed 0x807028c 1 0 11
Dec 17 16:51:27 megathecus tgtd: abort_task_set(988) found f0000a06 0
Dec 17 16:51:27 megathecus tgtd: iscsi_tcp_event_handler(167) connection closed 0x807028c
Dec 17 16:51:27 megathecus tgtd: conn_close(90) connection closed 0x807028c 2 0 11
Dec 17 16:51:30 megathecus tgtd: conn_close(90) connection closed 0x807028c 1 0 11
Dec 17 16:51:54 megathecus kernel: tgtd[19616]: segfault at 000001e4 eip 0804c2da esp 77c8b430 error 4


-- 
Tomasz Chmielewski
http://wpkg.org
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