Sent patch to Ubuntu kteam ML for review. We expect this to be in 3.19,
so when vivid rebases on this it will have this fix.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
** Changed in: linux (Ubuntu)
Status: Confirmed => Triaged
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu)
Status: Triaged => Confirmed
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https://bugs.launchpad.net/bugs/1415919
Title:
Ubuntu - Fixing RTAS call from xmon (running ppc64le on PowerVM)
Status in linux package in Ubuntu:
Confirmed
Status in linux source package in Trusty:
In Progress
Status in linux source package in Utopic:
In Progress
Bug description:
[Impact]
---Problem Description---
The commit 3b8a3c010969 ("powerpc/pseries: Fix endiannes issue in RTAS call
from xmon") was fixing an endianness issue in the call made from xmon to RTAS.
However, as Michael Ellerman noticed, this fix was not complete, the token
value was not byte swapped. This lead to call an unexpected and most of the
time unexisting RTAS function, which is silently ignored by RTAS.
[Test Case]
# echo x > /proc/sysrq-trigger
This should put us in the xmon debugger without errors.
[Fix]
This bug is opened to ensure Linux distro will taking up this upstream patch:
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e6eb2eba494d6f99e69ca3c3748cd37a2544ab38
This bug is affecting Ubuntu 15.04 and 15.10.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1415919/+subscriptions
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