** Description changed:
Resume doesn't work for me in Ubuntu 14.04. When I close the lid, or
issue pm-suspend manually, the system gets suspended, but opening the
lid results in black screen and laptop fan gets really loud. There is no
way to recover from that. Reproducible every time.
+
Hi Christopher, I haven't done kernel bisect, but instead did a lot of
googling, and found this bug:
https://bugzilla.kernel.org/show_bug.cgi?id=42977
which is affects some other Toshiba Tecra laptop, but have same
symptomps and moreover, the proposed workaround with nox2apic kernel
commandline
I had no problems with suspend/resume prior to Trusty.
Also, I *think* it worked around 14.04 was released (I've been running
Trusty beta since approximately March/April); however, I've just tried
an older linux-image-3.13.0-24-generic_3.13.0-24.47_amd64.deb (from May
5th) but that didn't help,
Pawel Stolowski, the next step is to fully commit bisect the kernel in
order to identify the offending commit. Could you please do this
following https://wiki.ubuntu.com/Kernel/KernelBisection ?
** Tags added: regression-release
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I've followed that wiki instructions but didn't find anything useful
following Magic number dmesg message... Attaching dmesg output (after
sudo sh -c sync echo 1 /sys/power/pm_trace pm-suspend and
forced shutdown and restart) and /proc/acpi/wakeup contents.
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** Attachment added: dmesg output after following DebuggingKernelSuspend
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1362958/+attachment/4191683/+files/dmesg.txt
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** Attachment added: /proc/acpi/wakeup contents
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1362958/+attachment/4191682/+files/wakeup
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Pawel Stolowski, did this problem not occur in a release prior to
Trusty?
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https://bugs.launchpad.net/bugs/1362958
Title:
[Toshiba Tecra R850-14Q] suspend/resume failure
Ok, tested with the latest mainline kernel found here:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.17-rc2-utopic/
$ uname -a
Linux mordor 3.17.0-031700rc2-generic #201408251935 SMP Mon Aug 25 23:36:08 UTC
2014 x86_64 x86_64 x86_64 GNU/Linux
The problem persists, marking as Confirmed.
**
Pawel Stolowski, could you please provide the missing information
following https://wiki.ubuntu.com/DebuggingKernelSuspend ?
** Changed in: linux (Ubuntu)
Importance: Low = Medium
** Changed in: linux (Ubuntu)
Status: Confirmed = Incomplete
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Pawel Stolwski, thank you for reporting this and helping make Ubuntu better. As
per http://www.toshiba.co.uk/innovation/download_bios.jsp?service=UK an update
to your BIOS is available (4.10). If you update to this following
https://help.ubuntu.com/community/BiosUpdate does it change anything?
Hi Christopher, thanks for pointers, I've updated the BIOS as requested
(neither wine nor VM with Windows running provided any help due to a
check for toshiba hardware early on startup of the downloaded exe; what
did the trick for me was cabextract for obtaining bios file updater +
a bootable
Pawel Stolwski, could you please test the latest upstream kernel available from
the very top line at the top of the page (not the daily folder) following
https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow additional
upstream developers to examine the issue. Once you've tested the
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