** Changed in: glibc (Ubuntu Cosmic)
Status: Confirmed => Won't Fix
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https://bugs.launchpad.net/bugs/1776967
Title:
glibc pkeys test fail on powerpc
Status in
I think this patch solves the problem
https://sourceware.org/ml/libc-alpha/2020-01/msg00327.html
It's already in master at glibc-2.30.9000-492-g70ba28f7ab
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This bug was erroneously marked for verification in bionic; verification
is not required and verification-needed-bionic is being removed.
** Tags removed: verification-needed-bionic
** Tags added: kernel-fixup-verification-needed-bionic verification-done-bionic
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This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
bionic' to 'verification-done-bionic'. If the problem still exists,
change the tag
This bug was fixed in the package linux - 4.17.0-6.7
---
linux (4.17.0-6.7) cosmic; urgency=medium
* linux: 4.17.0-6.7 -proposed tracker (LP: #1783396)
* [Regression] EXT4-fs error (device sda2): ext4_validate_block_bitmap:383:
comm stress-ng: bg 4705: bad block bitmap
It looks like the kernel fixes might not be ready quite yet, so I'm
temporarily disabling CONFIG_PPC_MEM_KEYS in our ppc64el kernel.
** Changed in: linux (Ubuntu Cosmic)
Status: Confirmed => Fix Committed
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** Also affects: glibc (Ubuntu Bionic)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: New
** Tags added: hwe-userspace
** Changed in: linux (Ubuntu Bionic)
Status: New => Invalid
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Florian, thanks for the heads-up and for pursuing this. I read some of
the links pointed out in that bug, and I see there is much to improve
yet, and 4.17 might not have the best pkeys story for powerpc. Maybe we
should just disable that test in the meantime.
About the particular problem we saw
Upstream bug: https://sourceware.org/bugzilla/show_bug.cgi?id=23202
There are three issues here: The kernel implementation in 4.17 was
buggy: pkey_set and pkey_get weren't implement in glibc, and the misc
/tst-pkeys has some incorrect test expectations.
** Bug watch added: Sourceware.org
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