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Bug#853100: linux-image-4.9.0-1-amd64: Blocked tasks and no X on Latitude E6530



No, I'm using only the free-software drivers.

What's a bit odd is that both mode-setting (for Intel gpu) and nouveau (for nvidia gpu) are used when I am docked (because of Optimus feature of laptop).

But problem shows when either docked or not.

Problem appeared with Linux-4.9. There was no problem with Linux-4.8; bummer when Linux-4.8 disappeared from the Debian repositories.

What counts as out-of-tree?

On Thu, Feb 16, 2017 at 20:08 Ben Hutchings <ben@decadent.org.uk> wrote:
Control: tag -1 moreinfo

On Sun, 29 Jan 2017 11:37:16 -0700 Thomas Vaughan <tevaughan@gmail.com> wrote:
> Package: src:linux
> Version: 4.9.2-2
> Severity: normal

> Dear Maintainer,

> Ever since linux-image-4.9.0-amd64 showed up in unstable, I've been unable to
> use it on my laptop, a Dell Latitude E6530.

> After boot, the display manager never shows the X login screen.

> Eventually, I see messages like the following:

> INFO: task worker/1:1:68 blocked for more than 120 seconds
>       Tainted: P     OE  4.9.0-1-amd64 #1
> INFO: task Xorg:837 blocked for more than 120 seconds
>       Tainted: P     OE  4.9.0-1-amd64 #1
[...]

Are you using the proprietary nvidia driver?  If not, what are the out-
of-tree drivers you are using?

Ben.

--
Ben Hutchings
Any sufficiently advanced bug is indistinguishable from a feature.

--
Thomas E. Vaughan

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