10.1-STABLE one week old from svn - random hangs

[Wojciech Puchar]

yes i do use geli.



On Sun, 7 Dec 2014, Oliver Pinter wrote:

> Guys, do you have enabled GELI or encrypted partition?
>
> On Sun, Dec 7, 2014 at 2:37 PM, Wojciech Puchar <wojtek at puchar.net> wrote:
>> how to get via svn or other means sources of 10*-STABLE from 18.06.2014?
>>
>> to get back to working system.
>>
>>
>> On Sun, 7 Dec 2014, Wojciech Puchar wrote:
>>
>>> no crashdump. system does not panic
>>> so i cannot do this
>>>
>>> On Sun, 7 Dec 2014, Alfred Perlstein wrote:
>>>
>>>> Can you enable crashdumps please and then send a traceback?
>>>>
>>>>
>>>> https://www.freebsd.org/doc/en/books/developers-handbook/kerneldebug.html
>>>>
>>>> These two are most helpful:
>>>>
>>>> https://www.freebsd.org/doc/en/books/developers-handbook/kerneldebug.html#kerneldebug-obtain
>>>>
>>>> https://www.freebsd.org/doc/en/books/developers-handbook/kerneldebug-gdb.html
>>>>
>>>>
>>>> On 12/7/14, 3:36 AM, Lev Serebryakov wrote:
>>>>>
>>>>> -----BEGIN PGP SIGNED MESSAGE-----
>>>>> Hash: SHA512
>>>>>
>>>>> On 07.12.2014 12:40, Wojciech Puchar wrote:
>>>>>
>>>>>> The problem. At random moment system I/O stops. If you are running
>>>>>> top at this moment, there are lots of prosesses stalled in vnread
>>>>>> or biord. network keeps running, processes that doesn't need I/O
>>>>>> still runs.
>>>>>>
>>>>>> top often reports at least 10MB free memory.
>>>>>>
>>>>>> seems like a deadlock. Anyone know that problem. How to trace it
>>>>>> down?
>>>>>
>>>>>   Looks like I have same problem sometimes.  And you could not run any
>>>>> new process, you could not login on console, but you could switch
>>>>> virtual consoles & if "top" is running on one of them, it doesn't hang
>>>>> itself, right?
>>>>>
>>>>>   I get this typically when "svnsync" synchronize my local FreeBSD repo
>>>>> mirror and after that FS (UFS2 with SUJ) with my repo is heavily
>>>>> damaged.
>>>>>
>>>>> - -- // Lev Serebryakov AKA Black Lion
>>>>> -----BEGIN PGP SIGNATURE-----
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>>>>> oeXgB3qxqhPtvfDmUm+X
>>>>> =R88v
>>>>> -----END PGP SIGNATURE-----
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