Federico,

Did you see Hiram's comment that he sent you on 5/23?

"Check to see if you  have a system called SElinux installed
and functioning. This is "Security Enhanced linux" and can prevent any
number of things from functioning:

http://en.wikipedia.org/wiki/SElinux

--Hiram"

-
  Greg

On 5/30/11 6:11 AM, Federico De Masi wrote:
> HI again Greg,
> thanks for your reply.
> Unfortunately /tmp/ has all the proper permissions. That would have been
> the easiest fix. But would have also made sense if the system would not
> accept any custom track.
>
> We think that the issue has to do with the "pipeline input buffer short
> write 65536, expected 925909, referer: h" error I see on my error-log.
> That can only be relative to the gz ->  bed pipe created to write into mySQL.
>
> Since it seem that it is not possible to change that buffer size (at the
> kernel level), is there any suggestions you would (or anyone out there)
> have?
>
> To make things clear:
> - gz is functioning and recognised by apache2 as a "compressed extension".
> - I am running  Suse virtual server with a 2.6.34-12-desktop kernel.
> - uncompressed bed file is happily loaded
> - gz version of same file is not
>
> Thanks a lot!
>
> Fred
>
> PS: heeeeeeeeeeelp!!!!
>
> On 19/05/2011 22:58, Greg Roe wrote:
>> Hi Federico,
>>
>> I sent this over to one of our mirror experts who had this to say:
>>
>> "These are very odd error messages. When we see a compressed file,
>> we use the command 'gzip' (for .gz files) to uncompress the incoming
>> data in a unix pipeline command. This could cause the creation
>> of a pipe file handle in the /tmp/ directory which should be writable
>> via the Apache process, but maybe they have Apache locked down so it
>> can not do that. They may need to check permissions on the /tmp/
>> directory (which should always allow all permissions for any process)
>> or they need to check their Apache configuration to see if it has
>> some limitation on running unix pipeline commands."
>>
>> If you make these checks and still have no luck, just let us know:
>> [email protected]
>>
>> -
>> Greg Roe
>> UCSC Genome Bioinformatics Group
>>
>>
>> On 5/9/11 9:17 AM, Federico De Masi wrote:
>>> Dear UCSC devs and users,
>>>
>>> Before I can deploy my in-house version of the UCSC Browser, I need to
>>> tweak the last bit, ie: customTracks.
>>>
>>> So far, it works a charm when using non compressed files. They load,
>>> show up etc etc. As soon as I try to upload a .gz track, all hell breaks
>>> lose.
>>> I get:
>>>
>>> - Operation not permitted error from setpgid(8638, 8637)
>>>
>>> and
>>>
>>> - Can't start query:
>>> select genome from dbDb where name = 'syboss_hg19'
>>> - mySQL error 2006: MySQL server has gone away
>>>
>>>
>>> I am pretty sure it has to do with the decompression of the gz file, but
>>> I give up. I tried many things, but can't find a solution.
>>>
>>> Please, help meeeeee :)
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