** Package changed: linux (Ubuntu) => dell-sputnik
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Title:
[Dell Inc. Latitude E5470] suspend/resume failure
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Which version of Ubuntu are you using? Did you try the magical incantation I
listed in my initial post? I am currently using 16.04. There was a few days
(maybe 2 or 3 weeks ago) when the problem reappeared but it disappeared again.
I thought it might have been related to a new kernel version but
I can confirm that suspend works properly with Bios 1.15.4 but it's
again broken with 1.17.3 :(
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Title:
[Dell Inc. Latitude E5470] suspend/resume
So, I have a Dell Lattitude E7470 that had the very same problem.
Running Linux Mint 18.1 with kernel linux-image-4.4.0-78-generic and
BIOS 1.13.4
I installed kernel linux-image-4.11.0-041100-generic and still the problem is
there.
However, after I upgraded to BIOS 1.15.4, I can suspend well w
I will try when I get a chance but I am busy for at least a few days and
this is my main computer so I can't afford to muck around with it too
carelessly.
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Can you try mainline kernel in comment #3?
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Title:
[Dell Inc. Latitude E5470] suspend/resume failure
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There are definitely at least *some* BIOS problems with the 5470. For
example, it seems to have clock speed issues (where the CPU clock speed
will stay between 400 MHz - 800 MHz) which I have to resolve using
either `wrmsr -a 0x19a 0x0` or `cpupower frequency-set -g performance`
or both.
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Ok, and like Jan, I managed to fixed things by one hibernation cycle
with power plugged in, and one with no power connected.
So it almost sounds like some weird bug in the laptop's acpi or bios or
so, and I don't think this is an issues with Linux or Ubuntu.
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Recently, my Dell E7470 started showing the same symptoms: resume works
fine, but when waking from resume, it reboots instead of waking up.
pm_trace show only a hah match on ACPI device 0d, quite like it does for
the original reporter.
The weird thing is, that all of this used to work fine. The p
** Changed in: linux (Ubuntu)
Status: Expired => Confirmed
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Title:
[Dell Inc. Latitude E5470] suspend/resume failure
To manage notificati
Weird, right? I'm fairly content with my Dell but I think there are some
Linux-related BIOS issues. I'm glad that 1) this fixed your suspend
issues, 2) that I'm now sure that I'm not crazy.
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I have received brand new Dell Latitude E7470 with preinstalled Windows.
I have reinstalled the system with Ubuntu 16.04.2 from flash, formatting
the entire hard drive along the way.
I have experienced the same problem. When suspended on power and waked
up on power it worked. When I unplugged the
[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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T
So, a strange thing happened. In order to mitigate the problem, I
decided to switch to having the computer hibernate instead of suspend (I
outline below the steps I did to do that). And then, on a whim, I tried
suspending again. And it stopped crashing, even after I switched back to
suspend complet
Did this issue start happening after an update/upgrade? Was there a
prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.10 kernel[
** Tags removed: need-duplicate-check
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Title:
[Dell Inc. Latitude E5470] suspend/resume failure
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ht
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