Re: latest F12 quckly unusable after restart

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On Fri, 2010-02-12 at 11:28 -0500, Tom Diehl wrote:
> On Wed, 10 Feb 2010, Craig White wrote:
> 
> > On Wed, 2010-02-10 at 20:21 -0800, Ulrich Drepper wrote:
> >> Since I updated my F12 workstation on Tuesday (haven't done it for two
> >> weeks before that) my machine becomes unusable pretty quickly after
> >> every restart.  Sometimes after 30 mins, sometimes after a few hours.
> >>
> >> It manifests itself in an ever increasing load, although top doesn't
> >> show anything running.  Shell processes simply stop while typing.  I.e.,
> >> they don't accept any more keystrokes and just freeze.
> >>
> >> X overall becomes very sluggish.  Scrolling in firefox moves pixels bn
> >> lines.  The Xorg process is eating up lots of CPU cycles and kmsd (I
> >> assume kernel mode switching support in the kernel) also shows up.
> >>
> >> At least before the last reboot I see tons of ext4-dio-unwrit processes.
> >>   Last time 81 of them.  And I lost data at one of the many reboots.
> >>
> >>
> >> The machine is a single socket i7 with plenty of RAM.  Lots of disk, one
> >> RAID 0 and one RAID 1 among the filesystems.  All ext4.  The graphics
> >> card is a dual head ATI.
> >>
> >> Anybody else seen something like that?
> > ----
> > I had 2 hard freezes in the last week but my setup is decidedly
> > different. Using nouveau driver and nouveau.modesetting=0 as boot
> > parameter and the first time, I thought it was the KVM I am using but
> > the second time was over night / idle. I use KDE and I would guess that
> > you are using Gnome.
> 
> Is the machine actually locked or just the X display. I have 2 new i7
> machines using the nouveau driver and every couple of days the X display
> locks. I can ssh to it from another machine and bring it down gracefully.
> It needs to be powered off and restarted to get it back into a usable state.
> If I just reboot it, tends to lock up before I can login. KVM seems to
> aggravate the problem in that if I have virtual machines running the problem
> happens sooner. IOW I get longer uptimes between lockups if the virt machines
> are shutdown. I am not sure if that is relevant or not.
> 
> FWIW I filed Bug 559791 but so far no one has provided any feedback.
----
When I say 'hard freeze' I mean that I cannot ssh or even switch to a
virtual terminal <Control><Alt><F2> and thus have no option to do
anything but a complete power off. Thankfully, that hasn't happened in
the past 3 days so maybe this is no longer an issue for me.

Sorry about the confusion about KVM... I was not referring to the
virtual manager but rather a physical KVM switch for my various
computers.

Craig


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