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 -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Communicate/MailingListGuidelines