latest F12 quckly unusable after restart
Bill Davidsen
davidsen at tmr.com
Mon Feb 15 20:41:16 UTC 2010
Craig White wrote:
> 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.
>
Even with the keyboard dead (happens all the time with FC12) you should be able
to ssh in from another machine. Odd.
--
Bill Davidsen <davidsen at tmr.com>
"We have more to fear from the bungling of the incompetent than from
the machinations of the wicked." - from Slashdot
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