On 4 September 2015 at 09:42, Patrick Ohly <patrick.o...@intel.com> wrote:
> Hello! > > The following commit introduced a "chmod -R -st" on the build dir: > > commit f0d3587706fffdcc1c708013f6d6ce296dfc5f24 > Author: Alex Franco <alejandro.fra...@linux.intel.com> > Date: Fri Aug 28 17:34:04 2015 -0500 > > Fix mode +st on TMPDIR when creating it > > A sanity check fails when TMPDIR has setuid, setgid set. It was > proposed to fix this on TMPDIR creation instead of failing with > a sanity test only. This patch handles removal of those special > bits (and additonally, the sticky bit) from BUILDDIR and TMPDIR > when these directories are created. > > In my case (*), that chmod takes about 2 minutes to complete. strace > shows that it does a fchmodat on all files, even if nothing needs to be > changed. atop then shows that this keeps the disk 100% busy with writes. > I don't know what gets written (can't be the access time, I tried > mounting with noatime). > > Are others seeing the same behavior? I can't rule out that my disk is > just slow due to fragmentation. > d8caef4f6 in master should fix this (and yes it was a problem elsewhere too -- an autobuilder was seen spending 12 minutes on that). Jussi
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