I followed the instructions with the kernel that was suggested
previously. This process is the same as previously as well.
I open a terminal
sudo -s
echo 1 > /sys/power/pm_trace
pm-suspend
Press the power button, and the monitor fails to come back from resume.
I am unable to SSH in when it is in
** Attachment added: "/proc/version for latestd resume-trace test"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1467691/+attachment/4420008/+files/version.out
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htt
** Attachment added: "resmue-trace dmesg.out - after a failed boot"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1467691/+attachment/4420007/+files/dmesg.out
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http
I confirmed that it still exhibits a successful pm-suspend immediately
after a successful pm-hibernate.
I am attaching the dmesg immediately after the pm-hibernate/resume/pm-
suspend/resume sequence.
** Attachment added: "dmesg output after a hibernate/resume/suspend/resume
sequence"
https:
This did not start happening after an upgrade. I have only tested this
15.04 and the 14.04 versions of ubuntu and they exhibit the issue. I
have not tested or used other versions of ubuntu.
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I tested this with the latest upstream kernel and confirmed it is still
a bug.
** Tags added: kernel-bug-exists-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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I installed from the 4.1-unstable link you provided.
cat /proc/version:
Linux version 4.1.0-040100-generic (kernel@gomeisa) (gcc version 4.6.3
(Ubuntu/Linaro 4.6.3-1ubuntu5) ) #201506220235 SMP Mon Jun 22 06:36:19
UTC 2015
It failed to wake up from the suspend.
I have attached the dmesg output t
** Description changed:
To reproduce this bug I go to the shell as root and execute pm-suspend.
Suspend to RAM fails to wake up on my HP dc7800p. After suspending with
pm-suspend an attempt to wake the machine up with the power button leads to a
black screen. The video card does not appear t
That should be modprobe i915.
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Title:
[HP Compaq dc7800p Small Form Factor PC] suspend/resume failure
Status in linux package in U
I performed some tests by booting into single user mode with single on
the grub line.
I tested, just a single invocation each of the following s2ram commands:
s2ram -f : fail
s2ram -f -a 1 : ok
s2ram -f -a 2 : fail - monitor powers on but gives a "non optimal mode"
floating dialog from the mo
If I boot into single user mode, modprobe i195, and attempt the same
steps I am unable to get s2ram to work.
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Title:
[HP Compaq dc7
I did a pm-suspend with pm_trace and attached is the dmesg output.
It appears to have something after the magic value:
[2.496316] Magic number: 0:800:178
[2.496317] hash matches
/home/kernel/COD/linux/drivers/base/power/main.c:1063
[2.496390] acpi device:0e: hash matches
[2.4
The system, using the 4.1 kernel above, does not hang when I use pm_test
core option (as well as any other test option in that file):
echo core > /sys/power/pm_test
echo 1 > /sys/power/pm_trace
dm-suspend
This seems to work and it resumes properly.
** Attachment added: "dmesg.out"
https://
I installed the upstream kernel build from http://kernel.ubuntu.com
/~kernel-ppa/mainline/v4.1-rc2-vivid/ version
4.1.0-040100rc2-generic_4.1.0-040100rc2.201505032335_amd64
Attached is the /proc/acpi/wakeups file
** Attachment added: "wakeup"
https://bugs.launchpad.net/ubuntu/+source/linux/+b
I get a response from ping when it is in the stuck state but I cannot
SSH into the machine.
** Description changed:
- Suspend to RAM fails to wake up on my HP dc7800p. After suspending with
- pm-suspend an attempt to wake the machine up with the power button leads
- to a black screen. The video c
Public bug reported:
To reproduce this bug I go to the shell as root and execute pm-suspend.
Suspend to RAM fails to wake up on my HP dc7800p. After suspending with
pm-suspend an attempt to wake the machine up with the power button leads to a
black screen. The video card does not appear to show
The attached dmesg output was taken after the reboot from a failed attempt.
For that failed attempt I had previously set /sys/power/pm_trace to 1.
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