** Description changed:
- This bug is actually related to bugs 1057664 and 1171560, and is an
- upstream bug.
-
- When I suspend my system to RAM, actually suspend does not work and
- instead I get a blinking cursor, and after some time system turns back
- again.
-
- After some debugging, I've
Hi,
I've unfortunately no way to get back that early, but the offending
commit is listed in the bug report I've mentioned on kernel.org, see :
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=966f1212e1ac5fe3ddf04479d21488ddb36a2608
Rgds,
** Changed in: linux (Ubuntu)
Hi,
The bug never occured before Quantal. It has been a regression
introduced with kernel 3.4 or 3.5 if I recall well (version mentioned in
the bug report on kernel.org)
Rgds,
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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Julien Aubin, the next step is to bisect between Precise and Quantal, in
order to identify the offending commit. Could you please do this
following https://wiki.ubuntu.com/Kernel/KernelBisection ?
** Tags removed: regression-potential
** Tags added: regression-release
** Changed in: linux
Hi, bug is still there with upstream... :-(
** Tags removed: needs-upstream-testing
** Tags added: kernel-bug-exists-upstream-v3.12
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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Julien Aubin, did this problem not occur in a release prior to Quantal?
** Tags removed: kernel-bug-exists-upstream-v3.11
kernel-bug-exists-upstream-v3.12
** Tags added: kernel-bug-exists-upstream-v3.12-rc2
** Changed in: linux (Ubuntu)
Status: Confirmed = Incomplete
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Julien Aubin, could you please test the latest mainline kernel via
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.12-rc2-saucy/ and
comment to the results?
** Tags added: needs-upstream-testing
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Hi,
Tested with kernel 3.11 after upgrading to saucy, and unfortunately this
does not fix the bug. :-(
** Tags removed: kernel-bug-exists-upstream-v3.10-rc2 needs-upstream-testing
** Tags added: kernel-bug-exists-upstream-v3.11 saucy
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Cut from Bug Description.
** Attachment added: dmesg
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1181878/+attachment/3744189/+files/dmesg
** Description changed:
This bug is actually related to bugs 1057664 and 1171560, and is an
upstream bug.
When I suspend my system to
Julien Aubin, could you please test the latest upstream kernel available
(v3.11-rc1-saucy) following https://wiki.ubuntu.com/KernelMainlineBuilds ? It
will allow additional upstream developers to examine the issue. Please do not
test the kernel in the mainline kernels archive directory daily
Hi,
Here's a workaround for the bug, from kernel.org bug mentioned above :
- Run as root :
echo 0 /sys/power/pm_async
(added to /etc/rc.local to be permanent)
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** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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https://bugs.launchpad.net/bugs/1181878
Title:
Driver for hdd Western Digital Caviar Black 500 GB / 1 TB prevent
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v3.10 kernel[0].
If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.
If the mainline kernel does not fix
Hi,
The kernel bug actually exists upstream, which is not surprising as the bug I
referenced is marked as won't fix. However it turns out that there's one
1-line offending commit which broke everything, as stated in comment #10 of the
bug. The commit is :
I've remarked that the change to udev rules proposed as a workaround
does not work, since attribute power/async is not even present under the
/sys tree.
My output for udevinfo for one of my HDDs :
administrateur@pcathlon64:~$ sudo udevadm info -a -p /sys/block/sda
[sudo] password for
After re-reading the bug report I found out that the HDD brand there is
not the culprit, as /dev/sdd points to a WD Caviar Blue. Anyway there's
something fishy with the HDD driver there.
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Actually this looks like a NVidia MCP5x bug, as explained there :
http://marc.info/?l=linux-idem=136297331308023w=2
** Bug watch added: Linux Kernel Bug Tracker #48951
http://bugzilla.kernel.org/show_bug.cgi?id=48951
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Seems to be related to this bug :
https://bugzilla.kernel.org/show_bug.cgi?id=48951
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https://bugs.launchpad.net/bugs/1181878
Title:
Driver for hdd Western Digital Caviar Black 500 GB /
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