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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://gitlab.physik.uni-muenchen.de/Nikolai.Hartmann/xcache-singularity-lrz/-/blob/51d2da52829eb6d8ea377539884f337208141aca/xcache.singularity.def using this config https://gitlab.physik.uni-muenchen.de/Nikolai.Hartmann/xcache-singularity-lrz/-/blob/51d2da52829eb6d8ea377539884f337208141aca/etc/xrootd/xcache.cfg 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 >> >> ######################################################################## >> Use REPLY-ALL to reply to list >> >> To unsubscribe from the XROOTD-L list, click the following link: >> https://urldefense.com/v3/__https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=XROOTD-L&A=1__;!!Mih3wA!Xzk53aW-mEg2pavzme9Hd49MPmno8frpbkh2YetRsquNyAt5jiVsDB91pTNUHA$ >> >> > ######################################################################## Use REPLY-ALL to reply to list To unsubscribe from the XROOTD-L list, click the following link: https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=XROOTD-L&A=1