Hi Ben, > On Tue, 5 Apr 2016, Andreas Ladanyi wrote: > >> Hi, >> >> openafs client tells me unable to create file / connection timeout >> messages. >> >> It seems that this behavior appear when installing the latest kernel >> version of Ubuntu 15.10 and 14.04 LTS and maybe soon in 12.04 LTS (which >> i didnt upgrade yet). >> >> This problem is for example with ubuntu kernel release 4.2.0-35, >> 3.13.0-77, 3.13.0-83 >> This problem is not for example with ubuntu kernel release 4.2.0-27, >> 3.13.0-24, 3.19.0-25 > (e.g.) linux (4.2.0-28.33) introduces: > > * vfs: Make sendfile(2) killable even better > - LP: #1536370 > > which is known to cause issues for openafs. > https://gerrit.openafs.org/#/c/12228/ is believed to be a workaround; you > could try the PPA at https://launchpad.net/~openafs/+archive/ubuntu/stable > to get packages including that change.
Thank you for advice with the change of sendfile function in the latest ubuntu kernels. We use the launchpad packets now. Short feedback: The workaround with afs_GenericStoreProc works for the first tests. Colleges told me that the workaround with afs_GenericStoreProc seems to result in slower read/write operations. > > -Ben Andreas
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