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Thanks Nikolai, I shall continue my investigation :)

Matevz

On 2020-07-06 23:59, Nikolai Hartmann wrote:
> Hi Matevz,
> 
> Thanks a lot for looking into this.
> 
> - The crash seems to happen always when i make a request
> - Currently prefetching is disabled
> - Yes, i think it is direct proxy mode
> - stack trace is attached
> 
> A similar setup seems to work for Ilija without issues with the xcaches
> using slate - i tried to mimic that setup closely. Running xrootd from
> this container image:
> 
> https://urldefense.com/v3/__https://gitlab.physik.uni-muenchen.de/Nikolai.Hartmann/xcache-singularity-lrz/-/blob/51d2da52829eb6d8ea377539884f337208141aca/xcache.singularity.def__;!!Mih3wA!SJibOzmy2P3rdD8Ut7m7gYp_bah2pQX2dR2V9U6xiTq9PoQtfjb_MHHDljpOV0aWvVYj$
> 
> using this config
> 
> https://urldefense.com/v3/__https://gitlab.physik.uni-muenchen.de/Nikolai.Hartmann/xcache-singularity-lrz/-/blob/51d2da52829eb6d8ea377539884f337208141aca/etc/xrootd/xcache.cfg__;!!Mih3wA!SJibOzmy2P3rdD8Ut7m7gYp_bah2pQX2dR2V9U6xiTq9PoQtfjb_MHHDljpOVzHQF5CU$
> 
> Cheers,
> Nikolai
> 
> On 7/7/20 1:38 AM, Matevz Tadel wrote:
>> Hi Nikolai,
>>
>> I tried to reproduce it with current master in nearly all ways,
>> with/without prefetching and with direct/forwarding mode. Also, with std
>> malloc and tcmalloc. No luck :(
>>
>> Backtrace or core would help a lot at this point.
>>
>> Cheers,
>> Matevz
>>
>> On 2020-07-03 00:54, Nikolai Hartmann wrote:
>>> Hi,
>>>
>>> I'm trying to upgrade to xrootd5 rc4 for our xcache server to mitigate a
>>> problem with dCache.
>>>
>>> Now when i try to read a file through xcache it crashes with "Attempt to
>>> free invalid pointer". I attached the corresponding part of the log.
>>> Any ideas?
>>>
>>> Thanks,
>>> Nikolai
>>>
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>>>
>>

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