Re: [squid-users] Failed download files larger that 2GB through proxy with ICAP.

Juris Krumins wrote:
> Thanks Henrik.
> -D_FILE_OFFSET_BITS=64 worked for me.
>
> Thank you very much.

Just for clarity on the solution:
   Did you have to set that while rebuilding _clamav_?? or something else?

Amos

>
>
> -----Original Message-----
> From: Henrik Nordstrom <henrik_at_henriknordstrom.net>
> To: juris.krumins_at_ctco.lv
> Cc: squid-users_at_squid-cache.org
> Subject: Re: [squid-users] Failed download files larger that 2GB through
> proxy with ICAP.
> Date: Thu, 20 Aug 2009 13:41:53 +0200
>
> tor 2009-08-20 klockan 11:59 +0300 skrev Juris Krumins:
>> Following your suggestion I've captured traffic betwen ICAP and Squid.
>
>> 11:11:05.864532 IP 127.0.0.1.49824 > 127.0.0.1.1345: P
>> 2157719238:2157723337(4099) ack 2156830511 win 28786 <nop,nop,timestamp
>> 1727787390 1727787383>
>
> Squid sends data to the ICAP server.
>
>> 11:11:05.877022 IP 127.0.0.1.1345 > 127.0.0.1.49824: R
>> 2156830511:2156830511(0) ack 2157723337 win 30720 <nop,nop,timestamp
>> 1727787403 1727787387>
>
> ICAP server aborts with a TCP Reset, abnormally terminating the
> transaction.
>
>> 3) ICAP server logs following
>> The child 13559 not exited normaly.signaled with signal:25
>>
>> Signal 25 is SIGXFSZ and man 7 signal shows us that:
>> SIGXFSZ 25,25,31 Core File size limit exceeded (4.2BSD)
>
> Heh, there you go ;-)
>
>> So theoretically ICAP process/subprocess have to create core file
>> (because of default action specified in standart).
>> But I can't find it unfortunatelly.
>
> It does not need to dump core. Depends on many factors.
>
> And is not needed either as it's very obvious what happened. You ran an
> 32-bit application trying to store more than 2G of data in a file
> without being compiled with LFS support. 2GB = 2^(32-1) bytes and is the
> limit on what the POSIX file I/O API can handle in 32-bit mode.
>
> Fix: Recompile the ICAP server with LFS support (64-bit file I/O), or
> move to a 64-bit OS if supported by CPU and forget all of these 32-bit
> issues...
>
> REgards
> Henrik
>
>
>

-- 
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