Due to GPF problems I've been having with wheezy's linux 3.2, I decided to try testing's 3.10 kernel (only installed the newer initramfs and 3.10 pkgs). Yesterday it ran fine all day, even built my firewall system without a lick of the troubles I've been having with 3.2. (So the GPF problem might be a linux 3.2 bug. But that's fodder for another thread.)
[The log I present below is a contiguous section of syslog. There was nothing useful in messages.] Today, I booted, read a forum thread about someone wanting to buy a new system and disabling CPUs. "Huh," thought I. "I wonder if disabling CPUs in the running system changes power consumption." I've toyed with disabling and enabling CPUs on prior versions of Debian with no trouble, so I figured there'd be no harm. Hah! So I disabled CPUs 3-1 on my quad Phenom II. The immediate result was the message: ---- Nov 5 12:37:45 playground kernel: [ 2314.586965] do_IRQ: 3.65 No irq handler for vector (irq -1) Nov 5 12:37:45 playground kernel: [ 2314.587039] smpboot: CPU 3 is now offline Nov 5 12:38:11 playground kernel: [ 2341.205069] smpboot: CPU 2 is now offline ---- Immediately xterm started (re)displaying quite slowly. Otherwise, the system seemed to be OK. But after a while (especially after I tried to start iceweasel), it seemed to hang. Then my X session disappeared and some nouveau messages appeared. So I switched to a text console; this took a while. It, too, kept hanging and unhanging. And the display would switch to show nouveau messages, then the X display would reappear a few seconds later, then the text console would appear in a couple seconds. And I'd have maybe a half-second to type stuff in the console (but it did seem to buffer keystrokes). The mouse was inoperative. I eventually rebooted to clear the problem. Is it fair to say this is a bug? In *something*? Or just an incompatibility between Wheezy and the newer kernel? I'm not complaining, mind you. Like the doctor said (after the patient groused, "Doctor, it hurts when I do dis"), "Well, don't do dat." Or, as the character Spock was known to intone, "Curious." The rest of the syslog selection: ---- Nov 5 12:39:01 playground /USR/SBIN/CRON[5868]: (root) CMD ( [ -x /usr/lib/php5/maxlifetime ] && [ -d /var/lib/php5 ] && find /var/lib/php5/ - depth -mindepth 1 -maxdepth 1 -type f -ignore_readdir_race -cmin +$(/usr/lib/php5/maxlifetime) ! -execdir fuser -s {} 2>/dev/null \; -delete) Nov 5 12:40:14 playground kernel: [ 2463.527521] smpboot: Booting Node 0 Processor 3 APIC 0x3 Nov 5 12:40:14 playground kernel: [ 2463.541412] LVT offset 1 assigned for vector 0x400 Nov 5 12:40:19 playground kernel: [ 2468.651015] smpboot: Booting Node 0 Processor 2 APIC 0x2 Nov 5 12:52:30 playground ntpd[3327]: 0 out of 1 peers valid Nov 5 12:52:30 playground ntpd[3327]: bad peer 10.20.30.1 (10.20.30.1) Nov 5 13:09:01 playground /USR/SBIN/CRON[5958]: (root) CMD ( [ -x /usr/lib/php5/maxlifetime ] && [ -d /var/lib/php5 ] && find /var/lib/php5/ - depth -mindepth 1 -maxdepth 1 -type f -ignore_readdir_race -cmin +$(/usr/lib/php5/maxlifetime) ! -execdir fuser -s {} 2>/dev/null \; -delete) Nov 5 13:12:11 playground dbus[3133]: [system] Activating service name='org.freedesktop.NetworkManager' (using servicehelper) Nov 5 13:12:11 playground dbus[3133]: [system] Activated service 'org.freedesktop.NetworkManager' failed: Launch helper exited with unknown return code 1 Nov 5 13:17:01 playground /USR/SBIN/CRON[6106]: (root) CMD ( cd / && run- parts --report /etc/cron.hourly) Nov 5 13:27:43 playground kernel: [ 5315.329604] nouveau E[ DRM] GPU lockup - switching to software fbcon Nov 5 13:27:43 playground acpid: client 4135[0:0] has disconnected Nov 5 13:27:46 playground kernel: [ 5318.346648] nouveau E[Xorg[4135]] failed to idle channel 0xcccc0001 [Xorg[4135]] Nov 5 13:27:49 playground kernel: [ 5321.348690] nouveau E[Xorg[4135]] failed to idle channel 0xcccc0001 [Xorg[4135]] Nov 5 13:27:51 playground kernel: [ 5323.350749] nouveau E[ PFIFO] [0000:01:00.0] channel 3 [Xorg[4135]] unload timeout Nov 5 13:27:54 playground kernel: [ 5326.352083] nouveau E[Xorg[4135]] failed to idle channel 0xcccc0000 [Xorg[4135]] Nov 5 13:27:57 playground kernel: [ 5329.354118] nouveau E[Xorg[4135]] failed to idle channel 0xcccc0000 [Xorg[4135]] Nov 5 13:27:59 playground kernel: [ 5331.355750] nouveau E[ PFIFO] [0000:01:00.0] channel 2 [Xorg[4135]] unload timeout Nov 5 13:27:59 playground kdm[4115]: X server for display :0 terminated unexpectedly Nov 5 13:28:00 playground acpid: client connected from 6283[0:0] Nov 5 13:28:00 playground acpid: 1 client rule loaded Nov 5 13:28:03 playground kernel: [ 5334.465574] nouveau E[iceweasel[6250]] failed to idle channel 0xcccc0000 [iceweasel[6250]] Nov 5 13:28:06 playground kernel: [ 5337.467618] nouveau E[iceweasel[6250]] failed to idle channel 0xcccc0000 [iceweasel[6250]] Nov 5 13:28:08 playground kernel: [ 5339.469093] nouveau E[ PFIFO] [0000:01:00.0] channel 4 [iceweasel[6250]] unload timeout Nov 5 13:28:17 playground acpid: client 6283[0:0] has disconnected Nov 5 13:28:20 playground kernel: [ 5351.941425] nouveau E[Xorg[6283]] failed to idle channel 0xcccc0001 [Xorg[6283]] Nov 5 13:28:23 playground kernel: [ 5354.947461] nouveau E[Xorg[6283]] failed to idle channel 0xcccc0001 [Xorg[6283]] Nov 5 13:28:25 playground kernel: [ 5356.949096] nouveau E[ PFIFO] [0000:01:00.0] channel 3 [Xorg[6283]] unload timeout Nov 5 13:28:28 playground kernel: [ 5359.950846] nouveau E[Xorg[6283]] failed to idle channel 0xcccc0000 [Xorg[6283]] Nov 5 13:28:31 playground kernel: [ 5362.952888] nouveau E[Xorg[6283]] failed to idle channel 0xcccc0000 [Xorg[6283]] ---- -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". 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