* [Bug 65671] New: Problems with hibernation, with bisect
@ 2013-11-24 22:38 bugzilla-daemon
2013-11-24 23:49 ` [Bug 65671] " bugzilla-daemon
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From: bugzilla-daemon @ 2013-11-24 22:38 UTC (permalink / raw
To: cpufreq
https://bugzilla.kernel.org/show_bug.cgi?id=65671
Bug ID: 65671
Summary: Problems with hibernation, with bisect
Product: Power Management
Version: 2.5
Kernel Version: 3.12
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: cpufreq
Assignee: cpufreq@vger.kernel.org
Reporter: higuita@gmx.net
Regression: No
After upgrading the kernel to 3.12, i found that hibernation stop working. Most
of the time it gives IO errors writing the swap on hibernation, and when it
manage to do that, it crash all apps after the wakeup and remount the
filesystem as read-only
As 3.11.8 hibernation worked fine, i have done a bisect and found that the
problem show up in this commit:
commit 4a511de96d692f2dfa126c10dda4e41636c0ef27
Author: Mark Brown <broonie@linaro.org>
Date: Tue Aug 13 14:58:24 2013 +0200
cpufreq: cpufreq-cpu0: NULL is a valid regulator
Since NULL could in theory be a valid regulator we ought to check for
IS_ERR() rather than for NULL. In practice this is unlikely to be an
issue but it's better for neatness.
Signed-off-by: Mark Brown <broonie@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
:040000 040000 3e8d03d2dc170492ba9f0311ef9156344452f6de
fb5d9ad67f332dec478a68cbd9387b15381584ce M drivers
Kernel 3.12.1 still have the problem
i'm using slackware64 14.1 with gcc 4.8.2
Thanks
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* [Bug 65671] Problems with hibernation, with bisect
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From: bugzilla-daemon @ 2013-11-24 23:49 UTC (permalink / raw
To: cpufreq
https://bugzilla.kernel.org/show_bug.cgi?id=65671
Rafael J. Wysocki <rjw@rjwysocki.net> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |NEEDINFO
CC| |rjw@rjwysocki.net
--- Comment #1 from Rafael J. Wysocki <rjw@rjwysocki.net> ---
If you revert that commit from 3.12.1, does the problem go away?
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* [Bug 65671] Problems with hibernation, with bisect
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2013-11-24 23:49 ` [Bug 65671] " bugzilla-daemon
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From: bugzilla-daemon @ 2013-11-25 1:18 UTC (permalink / raw
To: cpufreq
https://bugzilla.kernel.org/show_bug.cgi?id=65671
Lan Tianyu <tianyu.lan@intel.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |tianyu.lan@intel.com
Regression|No |Yes
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* [Bug 65671] Problems with hibernation, with bisect
2013-11-24 22:38 [Bug 65671] New: Problems with hibernation, with bisect bugzilla-daemon
2013-11-24 23:49 ` [Bug 65671] " bugzilla-daemon
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From: bugzilla-daemon @ 2013-11-25 2:49 UTC (permalink / raw
To: cpufreq
https://bugzilla.kernel.org/show_bug.cgi?id=65671
--- Comment #2 from higuita <higuita@gmx.net> ---
As asked, i tried to revert the commit on 3.12.1 and test and the crashes after
the wakeup are still there. So looks like that commit is not the only one that
broke this.
Any tip how to debug/bisect this now?
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From: bugzilla-daemon @ 2013-11-25 11:16 UTC (permalink / raw
To: cpufreq
https://bugzilla.kernel.org/show_bug.cgi?id=65671
--- Comment #3 from Rafael J. Wysocki <rjw@rjwysocki.net> ---
On Monday, November 25, 2013 02:49:41 AM you wrote:
> https://bugzilla.kernel.org/show_bug.cgi?id=65671
>
> --- Comment #2 from higuita <higuita@gmx.net> ---
> As asked, i tried to revert the commit on 3.12.1 and test and the crashes after
> the wakeup are still there. So looks like that commit is not the only one that
> broke this.
>
> Any tip how to debug/bisect this now?
Can you check bug #64841, please?
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From: bugzilla-daemon @ 2013-11-25 17:08 UTC (permalink / raw
To: cpufreq
https://bugzilla.kernel.org/show_bug.cgi?id=65671
--- Comment #4 from higuita <higuita@gmx.net> ---
I don't have a intel card, i have a old ATI HD2600 AGP on a old Asus A8V MB.
Here is the lspci:
00:00.0 Host bridge: VIA Technologies, Inc. K8T800Pro Host Bridge
00:00.1 Host bridge: VIA Technologies, Inc. K8T800Pro Host Bridge
00:00.2 Host bridge: VIA Technologies, Inc. K8T800Pro Host Bridge
00:00.3 Host bridge: VIA Technologies, Inc. K8T800Pro Host Bridge
00:00.4 Host bridge: VIA Technologies, Inc. K8T800Pro Host Bridge
00:00.7 Host bridge: VIA Technologies, Inc. K8T800Pro Host Bridge
00:01.0 PCI bridge: VIA Technologies, Inc. VT8237/8251 PCI bridge
[K8M890/K8T800/K8T890 South]
00:07.0 FireWire (IEEE 1394): VIA Technologies, Inc. VT6306/7/8 [Fire II(M)]
IEEE 1394 OHCI Controller (rev 80)
00:08.0 RAID bus controller: Promise Technology, Inc. PDC20378 (FastTrak
378/SATA 378) (rev 02)
00:0a.0 Ethernet controller: Marvell Technology Group Ltd. 88E8001 Gigabit
Ethernet Controller (rev 13)
00:0e.0 Multimedia video controller: Brooktree Corporation Bt878 Video Capture
(rev 11)
00:0e.1 Multimedia controller: Brooktree Corporation Bt878 Audio Capture (rev
11)
00:0f.0 RAID bus controller: VIA Technologies, Inc. VIA VT6420 SATA RAID
Controller (rev 80)
00:0f.1 IDE interface: VIA Technologies, Inc.
VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06)
00:10.0 USB controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1
Controller (rev 81)
00:10.1 USB controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1
Controller (rev 81)
00:10.2 USB controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1
Controller (rev 81)
00:10.3 USB controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1
Controller (rev 81)
00:10.4 USB controller: VIA Technologies, Inc. USB 2.0 (rev 86)
00:11.0 ISA bridge: VIA Technologies, Inc. VT8237 ISA bridge
[KT600/K8T800/K8T890 South]
00:11.5 Multimedia audio controller: VIA Technologies, Inc. VT8233/A/8235/8237
AC97 Audio Controller (rev 60)
00:11.6 Communication controller: VIA Technologies, Inc. AC'97 Modem Controller
(rev 80)
00:18.0 Host bridge: AMD [Advanced Micro Devices, Inc.] K8 [Athlon64/Opteron]
HyperTransport Technology Configuration
00:18.1 Host bridge: AMD [Advanced Micro Devices, Inc.] K8 [Athlon64/Opteron]
Address Map
00:18.2 Host bridge: AMD [Advanced Micro Devices, Inc.] K8 [Athlon64/Opteron]
DRAM Controller
00:18.3 Host bridge: AMD [Advanced Micro Devices, Inc.] K8 [Athlon64/Opteron]
Miscellaneous Control
01:00.0 VGA compatible controller: AMD/ATI [Advanced Micro Devices, Inc.] RV630
XT [Radeon HD 2600 XT AGP]
But that bug asks this:
"I primarily meant outside of gfx domain. It would be likely to see fs
corruption for example. Depending on your system, it might be unlikely to see
this corruption without using various memory debugging tools. My fear is we've
traded silent memory corruption for hangs."
in the past, i had some FS corruption after several hibernations cycles...
could it be that i have this kind of silent memory corruption problem and that
patch triggers the problem when in the past it was hidden?
when i wakeup the machine, i get this
[ 5137.948087] Uhhuh. NMI received for unknown reason 2c on CPU 0.
[ 5137.950056] Do you have a strange power saving mode enabled?
[ 5137.995447] Dazed and confused, but trying to continue
Could this corrupt some part of the memory?
I recently run the memtest86+ for several hours and didn't got any problem.
Also, if i don't hibernate the machine, it works fine for several months,
without any problem.
Is any tool to do some sort of memory checksum before and after the
hibernation, to try to catch any (bad) change?
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* [Bug 65671] Problems with hibernation, with bisect
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From: bugzilla-daemon @ 2013-12-01 18:08 UTC (permalink / raw
To: cpufreq
https://bugzilla.kernel.org/show_bug.cgi?id=65671
--- Comment #5 from higuita <higuita@gmx.net> ---
ok, more info.
I have spend half of the weekend to try to debug this with kernel 2.12.1 and
this is what i found:
in the bios if i disable both the "V-Link 8X Support" and "AGP Fast write",
things get more stable and i only have problems if i hibernate with the machine
with load (actually, i'm using the glxgears)
If i disable the "ACPI APIC", i have no problem at all, the machine is stable
during many hibernations cycles, even on heavy load... saddly, i lost the
second CPU without APIC
So i think this points to something related to the AGP bus.
With the APIC turn on and the "Vlink" and the "AGP fast write" turn on, i get
the problem even on the console, without the X11 loaded, so maybe the something
used by the modeset.
I will try to disable it and do some more test.
Again, i only have problems with hibernations, if i dont hibernate, everything
looks stable during several weeks/months
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From: bugzilla-daemon @ 2013-12-02 2:11 UTC (permalink / raw
To: cpufreq
https://bugzilla.kernel.org/show_bug.cgi?id=65671
--- Comment #6 from higuita <higuita@gmx.net> ---
with modeset disable, it still crashes after hibernating (but only on the
second attempt to hibernate)
I also attempt to switch the mode from "platform" to "shutdown", but still
crashes
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From: bugzilla-daemon @ 2013-12-03 0:57 UTC (permalink / raw
To: cpufreq
https://bugzilla.kernel.org/show_bug.cgi?id=65671
Len Brown <lenb@kernel.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |lenb@kernel.org
Summary|Problems with hibernation, |hibernation - IO errors
|with bisect |writing to swap, crashing
| |apps, 3,11.8 worked
--- Comment #7 from Len Brown <lenb@kernel.org> ---
can you disable CONFIG_CPU_FREQ in your build of the latest kernel
to see if that helps?
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From: bugzilla-daemon @ 2013-12-05 23:37 UTC (permalink / raw
To: cpufreq
https://bugzilla.kernel.org/show_bug.cgi?id=65671
--- Comment #8 from higuita <higuita@gmx.net> ---
BINGO!
ok, just recompile 3.12.3 without CONFIG_CPU_FREQ i can hibernate without any
problem, even under heavy load for several hibernate-resume cycles.
Even re-enable the AGP fast write and the VLINK 8X the hibernation works fine
Using the same kernel, WITH the cpufreq enable it fails to resume usually on
the first try under heavy load.
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From: bugzilla-daemon @ 2013-12-06 1:59 UTC (permalink / raw
To: cpufreq
https://bugzilla.kernel.org/show_bug.cgi?id=65671
--- Comment #9 from higuita <higuita@gmx.net> ---
Another recompile and tests and i found that the problem is in the
"conservative" governor. Using the "ondemand" governor i found no problem for
several hibernate-resume cycles... when i switch to the conservative governor
and try to hibernate for the second time, i get IO/swap problems.
I usually use the conservative governor, so that is why i'm getting this
problem.
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From: bugzilla-daemon @ 2013-12-19 11:56 UTC (permalink / raw
To: cpufreq
https://bugzilla.kernel.org/show_bug.cgi?id=65671
--- Comment #10 from higuita <higuita@gmx.net> ---
i've been using the ondemand governor and not problem at all. So it's really
something that is broken in the conservative governor... maybe not all changes
in the ondemand weren't applied to the conservative one?
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From: bugzilla-daemon @ 2013-12-27 11:42 UTC (permalink / raw
To: cpufreq
https://bugzilla.kernel.org/show_bug.cgi?id=65671
--- Comment #11 from higuita <higuita@gmx.net> ---
This problem can be much older than kernel 3.12... i've been having sporadic
problems with random corrupted filesystems since maybe about june. During all
summer i assumed it was a bad HD (that started to report bad sectors and is
mostly unused, it's actually umounted and suspended on boot) was introducing
problems in other SATA channels and corrupting other HD partitions.
Since i switch to the performance governor, i had no FS corruption, so looks
like the (unused) HD was not the problem, but again some bug in the ondemand
governor. If true, this could be a lot older and recent changes made it much
more frequent and reproducible.
Sadly, the old FS corruption was hard to trigger, so it's not easy to point
when it started to show up
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From: bugzilla-daemon @ 2014-02-24 3:17 UTC (permalink / raw
To: cpufreq
https://bugzilla.kernel.org/show_bug.cgi?id=65671
--- Comment #12 from higuita <higuita@gmx.net> ---
Ok, i have a little more information:
i found that ondemand still causes problems and after the upgrade to 3.13.3, it
also lock up, just like the conservative governor. I then change my hibernate
script to include this before the hibernation
cpufreq-set -g performance
rmmod powernow_k8
and after the hibernation i revert that:
modprobe powernow_k8
cpufreq-set -g ondemand
All seems to be working fine, i'm getting higher uptimes, many hibernations
cycles without problems and zero Filesystem corruption.
i have seen this on the dmesg, after waking from hibernation:
[ 8379.324747] [Firmware Bug]: powernow-k8: No compatible ACPI _PSS objects
found.
[ 8379.324747] [Firmware Bug]: powernow-k8: First, make sure Cool'N'Quiet is
enabled in the BIOS.
[ 8379.324747] [Firmware Bug]: powernow-k8: If that doesn't help, try upgrading
your BIOS.
[ 8379.324858] powernow-k8: Found 1 Dual Core AMD Opteron(tm) Processor 175 (2
cpu cores) (version 2.20.00)
This motherboard (asus A8V deluxe) don't have ACPI cpufreq, but the
cool'n'quiet is enabled in the bios.
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From: bugzilla-daemon @ 2014-03-25 0:25 UTC (permalink / raw
To: cpufreq
https://bugzilla.kernel.org/show_bug.cgi?id=65671
Len Brown <lenb@kernel.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|hibernation - IO errors |hibernation - IO errors
|writing to swap, crashing |writing to swap, crashing
|apps, 3,11.8 worked |apps, 3,11.8 worked, unless
| |rmmod powernow_k8
--- Comment #13 from Len Brown <lenb@kernel.org> ---
> No compatible ACPI _PSS objects found.
Whelp, at least we know it isn't an ACPI bug:-)
This seems to be specific to powernow_k8 -- is it possible to bisect
but only changes within that driver?
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From: bugzilla-daemon @ 2014-04-30 21:07 UTC (permalink / raw
To: cpufreq
https://bugzilla.kernel.org/show_bug.cgi?id=65671
--- Comment #14 from Rafael J. Wysocki <rjw@rjwysocki.net> ---
Any chance to test that with 3.15-rc3?
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From: bugzilla-daemon @ 2014-04-30 21:10 UTC (permalink / raw
To: cpufreq
https://bugzilla.kernel.org/show_bug.cgi?id=65671
Rafael J. Wysocki <rjw@rjwysocki.net> changed:
What |Removed |Added
----------------------------------------------------------------------------
Regression|Yes |No
--- Comment #15 from Rafael J. Wysocki <rjw@rjwysocki.net> ---
I'm clearing the regression flag on this anyway, since it is not clear whether
or not it is a regression.
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From: bugzilla-daemon @ 2014-05-09 1:59 UTC (permalink / raw
To: cpufreq
https://bugzilla.kernel.org/show_bug.cgi?id=65671
--- Comment #16 from higuita <higuita@gmx.net> ---
i compiled kernel 3.15-rc4, disabled my workarounds and tried to trigger the
hibernation problems with more than 15 hibernations cycles (under various
loads) and failed.
i also had tried something similar on kernel 4.14.1 and also didn't had any
problem.
So or the problem was fixed, or the hidden corruption change it target. I still
do have (maybe once a month) some random ext4 corruption, but even that have
improved.
maybe because the hibernations tests, after those tests i rebooted and got this
ext4 error a few minutes after, on the /home partition:
[ 367.200228] EXT4-fs error (device sda8): ext4_mb_generate_buddy:756: group
513, 3097 clusters in bitmap, 3081 in gd; block bitmap corrupt.
[ 367.218897] JBD2: Spotted dirty metadata buffer (dev = sda8, blocknr = 0).
There's a risk of filesystem corruption in case of system crash.
[ 367.285925] JBD2: Spotted dirty metadata buffer (dev = sda8, blocknr = 0).
There's a risk of filesystem corruption in case of system crash.
I will try to grab the fsck output to check if it helps.
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* [Bug 65671] Asus A8V deluxe(AMD): hibernation - IO errors writing to swap, crashing apps, 3,11.8 worked, unless rmmod powernow_k8
2013-11-24 22:38 [Bug 65671] New: Problems with hibernation, with bisect bugzilla-daemon
` (16 preceding siblings ...)
2014-05-09 1:59 ` bugzilla-daemon
@ 2014-08-04 1:51 ` bugzilla-daemon
2014-09-09 15:03 ` bugzilla-daemon
18 siblings, 0 replies; 20+ messages in thread
From: bugzilla-daemon @ 2014-08-04 1:51 UTC (permalink / raw
To: cpufreq
https://bugzilla.kernel.org/show_bug.cgi?id=65671
Lan Tianyu <tianyu.lan@intel.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|hibernation - IO errors |Asus A8V deluxe(AMD):
|writing to swap, crashing |hibernation - IO errors
|apps, 3,11.8 worked, unless |writing to swap, crashing
|rmmod powernow_k8 |apps, 3,11.8 worked, unless
| |rmmod powernow_k8
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* [Bug 65671] Asus A8V deluxe(AMD): hibernation - IO errors writing to swap, crashing apps, 3,11.8 worked, unless rmmod powernow_k8
2013-11-24 22:38 [Bug 65671] New: Problems with hibernation, with bisect bugzilla-daemon
` (17 preceding siblings ...)
2014-08-04 1:51 ` [Bug 65671] Asus A8V deluxe(AMD): " bugzilla-daemon
@ 2014-09-09 15:03 ` bugzilla-daemon
18 siblings, 0 replies; 20+ messages in thread
From: bugzilla-daemon @ 2014-09-09 15:03 UTC (permalink / raw
To: cpufreq
https://bugzilla.kernel.org/show_bug.cgi?id=65671
Zhang Rui <rui.zhang@intel.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |rui.zhang@intel.com
Hardware|All |x86-64
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2013-12-01 18:08 ` bugzilla-daemon
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2013-12-03 0:57 ` [Bug 65671] hibernation - IO errors writing to swap, crashing apps, 3,11.8 worked bugzilla-daemon
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2013-12-19 11:56 ` bugzilla-daemon
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2014-02-24 3:17 ` bugzilla-daemon
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