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. -- Soft lockup in native_safe_halt on CPU#0 https://bugs.launchpad.net/bugs/206316 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
