On 2014-04-16 20:32, Zhang Rui wrote:
On Sun, 2014-04-13 at 02:05 +0200, Manuel Krause wrote:
On 2014-04-11 00:51, Manuel Krause wrote:
On 2014-04-07 13:45, Rafael J. Wysocki wrote:
On Monday, April 07, 2014 01:17:51 AM Manuel Krause wrote:
On 2014-04-06 04:43, Guenter Roeck wrote:
On 04/05/2014 07:37 PM, Manuel Krause wrote:
On 2014-04-01 01:47, Guenter Roeck wrote:
On 03/31/2014 04:37 PM, Manuel Krause wrote:
On 2014-03-20 21:21, Manuel Krause wrote:
On 2014-03-11 22:59, Manuel Krause wrote:
On 2014-03-10 02:49, Manuel Krause wrote:
On 2014-03-09 18:58, Rafael J. Wysocki wrote:
On Sunday, March 09, 2014 01:10:25 AM Manuel Krause
wrote:
On 2014-03-08 16:59, Guenter Roeck wrote:
On 03/08/2014 03:08 AM, Jean Delvare wrote:
On Fri, 7 Mar 2014 14:52:30 -0800, Guenter Roeck
wrote:
On Fri, Mar 07, 2014 at 11:04:29PM +0100, Manuel
Krause
wrote:
[SNIP]
Long time no reply from you... Have I overseen a unwritten
convention? Or were my charts that unusable for your
analysis/work?
Two days ago, I tried the 3.14.0-rc7-vanilla. And the
problem
persists. "Strange / dangerous fan policy..."
Since kernel 3.13.6 I've managed to 'fix' the potential
overheating problem by manually issuing a:
"echo 1 > /sys/class/thermal/cooling_device3/cur_state" *)
_before_ obviously critical temperatures occur. Remind: This
particular setting may only work for my system! ...and keeps
working for 3.14-rc.
In the following I'd like to present you a modified output
of my
/sys/class/thermal, that I've written a script for (for my
system), that shows the results in the way of
linux/Documentation/thermal/sysfs-api.txt, point 3:
{I've uploded the files to pastebin, to not swamp you and
the
lists with so many lines of logs.}
For the last good kernel -- 3.12.14 -- in-use:
http://pastebin.com/HL1PNcda
For my first bad kernel revision 3.13 -- at critical temp:
http://pastebin.com/98hgf1a9
For the last bad kernel -- 3.14.0-rc7 -- at critical temp:
http://pastebin.com/MuTwTnjD
For the last bad kernel -- 3.14.0-rc7 -- after issuing the
*) command:
http://pastebin.com/2peda54z
Please, have a look at them! And maybe, give me hints on
how I
can help you to further debug this issue, as my manual
method
works but it's annoying.
And, PLEASE CC: ME, as I'm not on the lists. Or lead this
Email-thread to someone in charge.
Thank you for your work && best regards,
Manuel Krause
This is still BUG 71711
https://bugzilla.kernel.org/show_bug.cgi?id=71711
3.12.15 works very well
3.13.7 fails
3.14.0-rc8 fails
Best you can do would really be to bisect the problem.
Unfortunately only you (or someone else with an affected
system)
can do that. Once the culprit is known it would be much easier
to get it fixed.
To answer your earlier question: I don't think you did
anything
wrong.
I guess everyone else is just as clueless as I am (if not,
speak up
and help ;-).
Guenter
I've now bisected two times. From two different kernel origins,
just to be sure, as I'm new to this stupid-and-lengthy method,
and, to be sure, I haven't given a false positive inbetween due
to boredom.
Not really. Keep in mint that you were able to track down the
bad
commit
among more than 10,000 commits in a reasonably short period
of time.
In the end it says each time:
# git bisect bad | tee -a /var/log/bisect.log
cc8ef52707341e67a12067d6ead991d56ea017ca is the first bad
commit
commit cc8ef52707341e67a12067d6ead991d56ea017ca
Author: Zhang Rui <rui.zhang@xxxxxxxxx>
Date: Wed Sep 25 20:39:45 2013 +0800
ACPI / AC: convert ACPI ac driver to platform bus
Signed-off-by: Zhang Rui <rui.zhang@xxxxxxxxx>
Signed-off-by: Rafael J. Wysocki
<rafael.j.wysocki@xxxxxxxxx>
Off to the two of you...
Guenter
:040000 040000 5a0d397cfcbf53c03390f2805b83754cb7837d84
4a2af1454f65d67f1d1a507c08e3b9ef3ffe57e7 M drivers
Please help me, on how I can help debug this more, and please
also read the newest from
https://bugzilla.kernel.org/show_bug.cgi?id=71711
Manuel Krause
Sorry, that I've forgotton to add the following last night: After
the first bisection round, I was so glad about a result that
time, that I reverted this mentioned patch from the 3.13.8
kernel, but this didn't fix it.
This means that the commit in question didn't introduce the
problem
you're seeing.
Please check out commit 7f2dc5c4bcbf (Merge tag
'dm-3.13-changes' of
git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm),
build a kernel from that and see if you can reprocude the
problem with it.
If so, it can be used as your new "first known bad" kernel for
bisection.
Otherwise, you can use it as the "first good" one and commit
cc8ef52707341
as "first known bad".
Thanks!
Sorry, for any inconvenience, but you should forget about what
I've written, that reverting the patch in question from 3.13.x
didn't fix it. Of course it didn't fix it, as the patch doesn't
cleanly revert from release-kernels at all. My mistake!
I' ve been guided by Guenter Roeck through two more bisecting
sessions/ways on this, that always pointed to the commit in
question.
Some citation:
Me:
O.k. I've now followed your latest directions:
git checkout -b testing cc8ef52707341e67a12067d6ead991d56ea017ca
=> result after rebuild was BAD =>
git revert cc8ef52707341e67a12067d6ead991d56ea017ca
=> result after rebuild was GOOD
[ ...]
Reverting that commit in question from this very git tree
makes the
kernel work as expected.
[ ... ]
Guenter:
Report the results you have above. That should show without
question
that cc8ef52707341e67a12067d6ead991d56ea017ca is the bad commit,
and it should be easy to reproduce.
That seems to be all I can do for you for now. Please let me know
of any preliminary patches to test!
And I want to add special thanks to Guenter Roeck for his
always-just-in-time assistance over so many days,
Manuel Krause
BTW -- applying this patch in question to a 3.12.17 kernel, that
worked optimal WITHOUT it, makes it FAIL as described for 3.13.x
kernels. (And, yes, the patch applied cleanly, compiled fine and
boots nicely.)
could you please apply commit 50a2bc5429f07ec4d53df2d287b03bdbceb281bb
on top of commit cc8ef52707341e67a12067d6ead991d56ea017ca and check if
the problem still exist in 3.12.17 kernel?
thanks,
rui
I'm so sorry: 3.12.17 + cc8ef52707341e67a12067d6ead991d56ea017ca
+ 50a2bc5429f07ec4d53df2d287b03bdbceb281bb does NOT improve the
situation.
Thank you for your work,
Manuel
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