Just wanted to add here that I think I've found an even simpler
workaround. It looks like passing "pci=bios" as a kernel parameter
consistently allows the GPU to load, regardless of kernel version or
power source. I haven't tested it a whole lot, but so far it has worked
100%.
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It's been a while, but I've found the time to dig much deeper into this
and familiarize myself with the kernel code some. Actually, I feel
comfortable with the idea of directly contacting the appropriate mailing
list now so this is more to keep the record up-to-date than a request
for more triage.
** Changed in: linux (Ubuntu)
Status: Incomplete => Triaged
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Title:
10de:0426 GPU loads unreliably, possible kernel timeout
To manage not
Hmm... so I've just finished a first set of tests with reverting that commit,
and I definitely have results, though they aren't as cut-and-dry as I hoped.
When I reverted the commit, there were merge conflicts in:
drivers/acpi/scan.c
drivers/dma/acpi-dma.c
Since I really have no clue how these f
Kyle Auble, thank you for your commit bisection work. One thing that would be
helpful is if we just revert the noted commit in the latest mainline and see if
it continues to occur via a terminal, reboot, and testing the new kernel:
git config --global user.email "y...@example.com" && git config -
** Tags removed: kernel-request-3.11.0-7.14
** Tags added: bot-stop-nagging
** Changed in: linux (Ubuntu)
Status: Confirmed => Triaged
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Tit
So after another couple of months, I've managed to do more testing, and
I may have found something useful. First off, two fresh, stable versions
of the Ubuntu kernel have shown the bug: v3.2.0-56 (64-bit) and
v3.5.0-44 (32-bit). Also, the most recent package from the Ubuntu
mainline kernel PPA, v3.
I was a little confused about exactly which version of the kernel you
wanted to test, but it's a moot point because all of the ones I tried
had the bug still.
I'm still using Ubuntu 12.04 so sudo apt-get dist-upgrade just keeps me
on v3.5.0-40, which definitely has the bug. I also tested v3.11-rc1
Given the number of bugs that the Kernel Team receives during any
development cycle it is impossible for us to review them all. Therefore,
we occasionally resort to using automated bots to request further
testing. This is such a request.
We are approaching release and would like to confirm if this
** Summary changed:
- GPU loads unreliably, possible kernel timeout
+ 10de:0426 GPU loads unreliably, possible kernel timeout
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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