Comment 21 for bug 206316

Hi!

I have ubuntu 8.04 on an LG Laptop.
I have had the same problem for a long long time. Grepping the kern.log outputs the latest "funnies"

Sep 19 16:56:46 zenon-laptop kernel: [ 3101.616162] BUG: soft lockup - CPU#0 stuck for 11s! [xchat:6116]
Sep 19 16:58:01 zenon-laptop kernel: [ 3176.864184] BUG: soft lockup - CPU#0 stuck for 18s! [xchat:6116]
Sep 21 17:11:15 zenon-laptop kernel: [ 1685.664276] BUG: soft lockup - CPU#0 stuck for 22s! [xchat:6254]
Sep 21 17:12:15 zenon-laptop kernel: [ 1745.664943] BUG: soft lockup - CPU#0 stuck for 24s! [swapper:0]
Sep 21 19:01:24 zenon-laptop kernel: [ 8292.681058] BUG: soft lockup - CPU#0 stuck for 11s! [events/0:9]
Sep 21 19:02:20 zenon-laptop kernel: [ 8348.040067] BUG: soft lockup - CPU#0 stuck for 19s! [xchat:6254]
Sep 21 19:40:08 zenon-laptop kernel: [10615.243228] BUG: soft lockup - CPU#0 stuck for 13s! [xchat:6254]
Sep 21 19:40:34 zenon-laptop kernel: [10641.370214] BUG: soft lockup - CPU#0 stuck for 24s! [xchat:6254]
Sep 21 19:42:58 zenon-laptop kernel: [10785.901760] BUG: soft lockup - CPU#0 stuck for 11s! [xchat:6254]

My lspci output

00:00.0 Host bridge: ATI Technologies Inc Unknown device 7930
00:01.0 PCI bridge: ATI Technologies Inc Unknown device 7932
00:04.0 PCI bridge: ATI Technologies Inc Unknown device 7934
00:06.0 PCI bridge: ATI Technologies Inc Unknown device 7936
00:07.0 PCI bridge: ATI Technologies Inc Unknown device 7937
00:12.0 SATA controller: ATI Technologies Inc SB600 Non-Raid-5 SATA
00:13.0 USB Controller: ATI Technologies Inc SB600 USB (OHCI0)
00:13.1 USB Controller: ATI Technologies Inc SB600 USB (OHCI1)
00:13.2 USB Controller: ATI Technologies Inc SB600 USB (OHCI2)
00:13.3 USB Controller: ATI Technologies Inc SB600 USB (OHCI3)
00:13.4 USB Controller: ATI Technologies Inc SB600 USB (OHCI4)
00:13.5 USB Controller: ATI Technologies Inc SB600 USB Controller (EHCI)
00:14.0 SMBus: ATI Technologies Inc SBx00 SMBus Controller (rev 14)
00:14.1 IDE interface: ATI Technologies Inc SB600 IDE
00:14.2 Audio device: ATI Technologies Inc SBx00 Azalia
00:14.3 ISA bridge: ATI Technologies Inc SB600 PCI to LPC Bridge
00:14.4 PCI bridge: ATI Technologies Inc SBx00 PCI to PCI Bridge
01:05.0 VGA compatible controller: ATI Technologies Inc Radeon Xpress 1250
01:05.2 Audio device: ATI Technologies Inc RS600 audio device [Radeon Xpress 12xx Series]
02:00.0 Ethernet controller: Marvell Technology Group Ltd. 88E8039 PCI-E Fast Ethernet Controller (rev 15)
08:00.0 Network controller: RaLink Unknown device 0781

I tried the above mentioned "noapic" hack, which for now seems to work.