** Changed in: ubuntu-power-systems
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1690225
Title:
nvidia-docker on ppc64le-ubuntu16.04 issue due to cross-thread naming
if !PR_DUMPABLE
Status in The Ubuntu-power-systems project:
Fix Released
Status in linux package in Ubuntu:
New
Status in linux source package in Xenial:
Fix Released
Bug description:
== Comment: #0 - Breno Henrique Leitao <bren...@br.ibm.com> - 2017-05-11
15:30:52 ==
The PR_DUMPABLE flag causes the pid related paths of the proc file system to
be owned by ROOT.
The implementation of pthread_set/getname_np however needs access to
/proc/<pid>/task/<tid>/comm. If PR_DUMPABLE is false this implementation is
locked out.
This patch installs a special permission function for the file "comm"
that grants read and write access to all threads of the same group regardless
of the ownership of the inode. For all other threads the function falls back
to the generic inode permission check.
Nvidia-docker issue on ppc64le:
1b3044e39a89cb1d4d5313da477e8dfea2b5232d
This is fixed by commit 1b3044e39a89cb1d4d5313da477e8dfea2b5232d
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