Re: "seeing minute plus hangs during boot" - 2.6.12 and 2.6.13

["Francisco Figueiredo Jr." <fxjrlists@yahoo.com.br>]

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Andrew Morton wrote:
> "Francisco Figueiredo Jr." <fxjrlists@yahoo.com.br> wrote:
> 
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>>Andrew Morton wrote:
>>
>>>"Francisco Figueiredo Jr." <fxjrlists@yahoo.com.br> wrote:
>>>
>>>
>>>>udev          S 00000002     0  1312      1                1224 (NOTLB)
>>>>c1653f4c 00000082 c1653f3c 00000002 00000001 00000040 c1653f64 c1653f0c
>>>>       c016611b bfec96a8 c1653f0c 00000040 00000000 00000361 000241ed
>>>>c13fb520
>>>>       00000001 00001a7e 98f9769f 00000002 c146e520 df5da020 df5da148
>>>>c13fbf60
>>>>Call Trace:
>>>> [<c016611b>] cp_new_stat+0x15f/0x17a
>>>> [<c0352a74>] schedule_timeout+0x54/0xa2
>>>> [<c01274ce>] process_timeout+0x0/0x9
>>>> [<c01275c4>] sys_nanosleep+0xdd/0x18e
>>>> [<c0102e85>] syscall_call+0x7/0xb
>>>
>>>
>>>Well there's your delay: you've started running userspace and udev is
>>>running.  Yes, it takes a long time.
>>>
>>>What makes you think this isn't normal behaviour?  Do other kernels behave
>>>differently with the same userspace setup?
>>>
>>
>>
>>That's the point. On kernel 2.6.11 on same box I have no delay. It is
>>instantaneous. On 2.6.12-rc1 it was instantaneous but I didn't use it
>>much because I had drm problems. Later I tried 2.6.12 final and it was
>>hanging. I saw the "seeing a minute plugs hangs" on 2.6.13-rc1 release
>>notes and thought this could be the problem, but I compiled it and tried
>>with no luck :(
>>
>>Now, I'm thinking it could be something like the udev hang which
>>disapeared with udev update to 058.
>>
>>I don't know what can be happening. I think it is because of some type
>>of timeout.
>>
>>If you think there is something else I can do, please let me know.
>>
> 
> 
> Greg said in another thread: "older versions of udev (< 058) can work
> _really slow_ with 2.6.12.  Please upgrade your version of udev and see if
> that solves the issue or not.".
> 
> What version are you running?   Looks like 058, yes?


Yeap. It is 058.


- --
Regards,

Francisco Figueiredo Jr.
Npgsql Lead Developer
http://gborg.postgresql.org/project/npgsql
MonoBrasil Project Founder Member
http://monobrasil.softwarelivre.org


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"Science without religion is lame;
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                  ~ Albert Einstein
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