System locks up, background operations continue running

Colin Law clanlaw at
Tue Jan 27 17:18:53 UTC 2015

On 27 January 2015 at 15:54, Chris <cpollock at> wrote:
> ...
> Colin
> Thanks for the reply Colin, I 'attempted' to install 14.10 when it first
> came out luckily I do a nightly backup to a 1Tb drive as it completely
> hosed my machine for some reason but I won't get into that. I haven't
> even looked at 15.04 yet is it in release stage or just as an RC? I see
> now why the bisection is necessary, I've got the kernel bisection
> information printed off and will get started on it. I've uploaded the
> dmesg file from the 2nd lockup last night -
> in my /etc/default/grub file I have this line -
> GRUB_CMDLINE_LINUX_DEFAULT="drm.debug=0x66" yes, the link does add more
> confusion and I really don't want to get too far into 'trying' out
> different things as even though it's just my home machine it's used
> pretty much during the day for bill paying and so forth.

So was 3.13.0-35 ok?

If you have 20GB spare on the disk you could create a separate
partition and install 15.10 (still in alpha, so certainly not
guaranteed to be solid) or 15.04 there in order to try it with a view
to upgrading at some point.


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