Re: BUG #6342: libpq blocks forever in "poll" function

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От Craig Ringer
Тема Re: BUG #6342: libpq blocks forever in "poll" function
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Msg-id 4EEB0044.4090907@ringerc.id.au
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Ответ на BUG #6342: libpq blocks forever in "poll" function  (andreagrassi@sogeasoft.com)
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On 12/16/2011 03:45 PM, andreagrassi@sogeasoft.com wrote:
> The following bug has been logged on the website:
>
> Bug reference:      6342
> Logged by:          Andrea Grassi
> Email address:      andreagrassi@sogeasoft.com
> PostgreSQL version: 8.4.8
> Operating system:   SUSE SLES 10 SP4 64 BIT
> Description:
>
> Hi,
> I have a big and strange problem. Sometimes, libpq remains blocked in “poll”
> function even if the server has already answered to the query. If I attach
> to the process using kdbg I found this stack:
>
> __kernel_vsyscall()
> poll()                          from /lib/libc.so.6
>
Actually, even better, can you show the full kernel stack of your test
program when it's blocked? cat /proc/$pid/stack .

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