It seems for me nothing works... Yes, all these flags work for a couple
of suspends and then eventually suspend fails to resume. It seems that
acpi_osi=Linux (or any other OS variant) acpi=s3_bios pci=nocrs gives me
the greatest mileage on average but all of them eventually fail. This
means I
One thing to add (remind of) is that I am using latest lowlatency kernel. Could
this have anything to do with it?
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https://bugs.launchpad.net/bugs/1082851
Title:
Screen stays black
Many thanks for the replies. As it turns out, my problems persist with
various combination of scripts. They are sporadic but still present. I
will try what @Gerhard has suggested and see if that makes any
difference...
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@Gerhard, are you using anything else (e.g. 20_custom_ehci-hcd script,
or other modifications to the pm-suspend) apart from the flags posted
above?
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Still getting sporadic black screen on resume with Gerhard's
combination, usually after having loaded a couple applications,
including ones that are more resource hungry...
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OK, so I just tried something entirely different. My grub options now
look as follows:
GRUB_CMDLINE_LINUX_DEFAULT=quiet splash threadirqs acpi_osi=Linux
Now the resumes work without any of the other options and I've had a
couple of them so far without any problems. Of course, I will need to do
Disclaimer: I am not sure if it is wise to use all the flags listed
below as they may damage your computer and/or data. In other words, *do
this at your own risk*...
Here's what has made my resumes work every time (so far dozens of
resumes since last failed one, including some really adventurous,
Forgot to mention, threadirqs flag is used to prioritize audio irqs and
I don't think it has anything to do with the fix (likely neither quiet
or splash do, but I haven't checked for sure).
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Also, can anyone else confirm if this works for them as well? I had
another freeze but am not sure if that was because of me tweaking things
(which I have been trying to find the core fix), or whether I simply
made the problem less pronounced...
I also had to add snd_hda_intel to the list of
Confirming bug on Ubuntu 12.04 x86_64 with latest updates.
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https://bugs.launchpad.net/bugs/951827
Title:
Power Statistics window blank
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