2010-11-28 12:21:27

by Anca Emanuel

[permalink] [raw]
Subject: 2.6.37-rc3-git4 bad desktop performance

Linus,

Last known good kernel: 2.6.37-rc3
Driver: nouveau
Test: play a HD movie.


2010-11-28 15:22:12

by Maciej Rutecki

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Subject: Re: 2.6.37-rc3-git4 bad desktop performance

On niedziela, 28 listopada 2010 o 13:21:24 Anca Emanuel wrote:
> Linus,
>
> Last known good kernel: 2.6.37-rc3
> Driver: nouveau
> Test: play a HD movie.

I created a Bugzilla entry at
https://bugzilla.kernel.org/show_bug.cgi?id=23912
for your bug report, please add your address to the CC list in there, thanks!

PS. Please, send config, dmesg, do bisection etc. will be useful...

Regards
--
Maciej Rutecki
http://www.maciek.unixy.pl

2010-11-28 16:51:54

by Anca Emanuel

[permalink] [raw]
Subject: Re: 2.6.37-rc3-git4 bad desktop performance

On Sun, Nov 28, 2010 at 5:21 PM, Maciej Rutecki
<[email protected]> wrote:
> On niedziela, 28 listopada 2010 o 13:21:24 Anca Emanuel wrote:
>> Linus,
>>
>> Last known good kernel: 2.6.37-rc3
>> Driver: nouveau
>> Test: play a HD movie.
>
> I created a Bugzilla entry at
> https://bugzilla.kernel.org/show_bug.cgi?id=23912
> for your bug report, please add your address to the CC list in there, thanks!
>
> PS. Please, send config, dmesg, do bisection etc. will be useful...

config and dmesg attached.
Bisecting now, but it will take some time.


Attachments:
conf.txt (118.47 kB)
dmsg.txt (72.57 kB)
Download all attachments

2010-11-28 20:07:08

by Anca Emanuel

[permalink] [raw]
Subject: Re: 2.6.37-rc3-git4 bad desktop performance

On Sun, Nov 28, 2010 at 6:51 PM, Anca Emanuel <[email protected]> wrote:
> On Sun, Nov 28, 2010 at 5:21 PM, Maciej Rutecki
> <[email protected]> wrote:
>> On niedziela, 28 listopada 2010 o 13:21:24 Anca Emanuel wrote:
>>> Linus,
>>>
>>> Last known good kernel: 2.6.37-rc3
>>> Driver: nouveau
>>> Test: play a HD movie.
>>
>> I created a Bugzilla entry at
>> https://bugzilla.kernel.org/show_bug.cgi?id=23912
>> for your bug report, please add your address to the CC list in there, thanks!
>>
>> PS. Please, send config, dmesg, do bisection etc. will be useful...
>
> config and dmesg attached.
> Bisecting now, but it will take some time.
>

Some other strange things: when PC is restarted, I get this image instead:
http://i56.tinypic.com/6eoklw.jpg

In VLC, no other key is responding, but alt+f2

2010-11-29 01:36:57

by Anca Emanuel

[permalink] [raw]
Subject: Re: 2.6.37-rc3-git4 bad desktop performance

On Sun, Nov 28, 2010 at 6:51 PM, Anca Emanuel <[email protected]> wrote:
> On Sun, Nov 28, 2010 at 5:21 PM, Maciej Rutecki
> <[email protected]> wrote:
>> On niedziela, 28 listopada 2010 o 13:21:24 Anca Emanuel wrote:
>>> Linus,
>>>
>>> Last known good kernel: 2.6.37-rc3
>>> Driver: nouveau
>>> Test: play a HD movie.
>>
>> I created a Bugzilla entry at
>> https://bugzilla.kernel.org/show_bug.cgi?id=23912
>> for your bug report, please add your address to the CC list in there, thanks!
>>
>> PS. Please, send config, dmesg, do bisection etc. will be useful...
>
> config and dmesg attached.
> Bisecting now, but it will take some time.

linux-2.6$ git bisect bad
Bisecting: 0 revisions left to test after this (roughly 0 steps)
[241b652f1995de138106afd2f2e4eda9f8a3c240] xhci: Remove excessive
printks with shared IRQs.

I don't think that is relevant, sorry.

git bisect log
git bisect start
# bad: [0f639a3c5ca63dd76ee07de9b02ebf0178ce9a17] Merge branch
'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
git bisect bad 0f639a3c5ca63dd76ee07de9b02ebf0178ce9a17
# good: [3561d43fd289f590fdae672e5eb831b8d5cf0bf6] Linux 2.6.37-rc3
git bisect good 3561d43fd289f590fdae672e5eb831b8d5cf0bf6
# bad: [e5fa506173a6ed1ca8d78ba1e390cfdebc2fd49a] Merge branch
'fbdev-fixes-for-linus' of
git://git.kernel.org/pub/scm/linux/kernel/git/lethal/fbdev-2.6
git bisect bad e5fa506173a6ed1ca8d78ba1e390cfdebc2fd49a
# bad: [ea49b1669b7b405e0eb0bf877c7b7fb01f8dd19b] Merge branch
'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
git bisect bad ea49b1669b7b405e0eb0bf877c7b7fb01f8dd19b
# bad: [a4ec046c98283d9f36817589081e14850570739f] Merge branch
'upstream/for-linus' of
git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen
git bisect bad a4ec046c98283d9f36817589081e14850570739f
# bad: [3cbaa0f7a78d3b970b566629ee298c310780b919] Merge
git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
git bisect bad 3cbaa0f7a78d3b970b566629ee298c310780b919
# bad: [3d091a6f703906c5680855ff29bd94d051c8c6d8] USB: EHCI: AMD
periodic frame list table quirk
git bisect bad 3d091a6f703906c5680855ff29bd94d051c8c6d8
# bad: [723b991a62d94f74c9f19abd3da6e937288eb969] USB: ehci: fix
debugfs 'lpm' permissions
git bisect bad 723b991a62d94f74c9f19abd3da6e937288eb969
# bad: [dc07c91b9b4067022210e68d914a6890a4d70622] xHCI: fix wMaxPacketSize mask
git bisect bad dc07c91b9b4067022210e68d914a6890a4d70622
# bad: [74bb844af8ec6a4c360b1fc7feb139801c0cacfd] xHCI: release
spinlock when setup interrupt
git bisect bad 74bb844af8ec6a4c360b1fc7feb139801c0cacfd

2010-11-29 14:04:59

by Anca Emanuel

[permalink] [raw]
Subject: Re: 2.6.37-rc3-git4 bad desktop performance

Ups, false alarm, sorry. (wrong git tree)

I can reproduce this only with:
git://git.kernel.org/pub/scm/linux/kernel/git/npiggin/linux-npiggin.git
vfs-scale-working

2010-11-30 00:04:10

by Nick Piggin

[permalink] [raw]
Subject: Re: 2.6.37-rc3-git4 bad desktop performance

On Mon, Nov 29, 2010 at 04:04:56PM +0200, Anca Emanuel wrote:
> Ups, false alarm, sorry. (wrong git tree)
>
> I can reproduce this only with:
> git://git.kernel.org/pub/scm/linux/kernel/git/npiggin/linux-npiggin.git
> vfs-scale-working

What performance is bad? Anything in dmesg? Can you bisect the vfs scale
git tree patches?