display watermark is too large(92/63), disabling

Colin Law clanlaw at gmail.com
Sat Feb 21 14:54:42 UTC 2015


On 21 February 2015 at 14:27, Chris <cpollock at embarqmail.com> wrote:
> Now I'm more confused than ever about these 'lockups' I've been
> experiencing. The system has 'hung' twice in two days almost exactly
> 36hrs apart. The first was at 07:18:55 on 19 Feb, the next was last
> night at 19:16:40 on the 20th. I'm going by the times shown on the clock
> which I have set to show seconds. I'd installed kernel
> 3.19.0-031900-generic #201502091451 SMP Mon Feb 9 14:52:52 UTC 2015
> x86_64 x86_64 x86_64 GNU/Linux on the 18th at 5:34pm. What I'm seeing
> now instead of the 'Hangcheck' error is noted here at pastebin:
>
> http://pastebin.com/FEff5yy2
>
> I know I've asked this question before and one response is that it was
> informational messages from the video driver. I don't remember seeing
> these when I'm running the 3.13.0-45 kernel is this just particular to
> the 3.19 kernel? Is there possibly something with the video driver
> causing the 'lockups'?
>
> The output of dpkg -l | grep xorg | intel:
>
> dpkg -l | grep xorg | grep intel
> ii  xserver-xorg-video-intel
> 2:2.99.910-0ubuntu1.4 amd64
> X.Org X server -- Intel i8xx, i9xx display driver

I don't know what those messages mean but they don't look like the
sort of thing that would cause a lockup.

Can you confirm that you have run the ramcheck (from boot options)
overnight for several nights (or/and days) so you can be absolutely
certain you do not get lockup whilst running that?

Colin



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