OK, tried 2.6.24-1-generic. No help:
Dec 4 14:18:08 phoenix syslogd 1.4.1#21ubuntu3: restart. Dec 4 14:18:08 phoenix kernel: Inspecting /boot/System.map-2.6.24-1-generic Dec 4 14:18:08 phoenix kernel: Loaded 27258 symbols from /boot/System.map-2.6.24-1-generic. Dec 4 14:18:08 phoenix kernel: Symbols match kernel version 2.6.24. Dec 4 14:18:08 phoenix kernel: No module symbols loaded - kernel modules not enabled. Dec 4 14:18:08 phoenix kernel: [ 0.000000] Linux version 2.6.24-1-generic (buildd@rothera) (gcc version 4.2.3 20071123 (prerelease) (Ubuntu 4.2.2-3ubuntu4)) #1 SMP Thu Nov 29 19:24:45 GMT 2007 (Ubuntu 2.6.24-1.1-generic) ... Dec 4 14:28:14 phoenix kernel: [ 563.387424] irq 23: nobody cared (try booting with the "irqpoll" option) Dec 4 14:28:14 phoenix kernel: [ 563.387438] Pid: 0, comm: swapper Not tainted 2.6.24-1-generic #1 Dec 4 14:28:14 phoenix kernel: [ 563.387469] [__report_bad_irq+36/128] __report_bad_irq+0x24/0x80 Dec 4 14:28:14 phoenix kernel: [ 563.387492] [note_interrupt+635/704] note_interrupt+0x27b/0x2c0 Dec 4 14:28:14 phoenix kernel: [ 563.387508] [<f887bb0b>] usb_hcd_irq+0x2b/0x60 [usbcore] Dec 4 14:28:14 phoenix kernel: [ 563.387555] [handle_IRQ_event+48/96] handle_IRQ_event+0x30/0x60 Dec 4 14:28:14 phoenix kernel: [ 563.387571] [handle_fasteoi_irq+134/224] handle_fasteoi_irq+0x86/0xe0 Dec 4 14:28:14 phoenix kernel: [ 563.387583] [do_IRQ+59/112] do_IRQ+0x3b/0x70 Dec 4 14:28:14 phoenix kernel: [ 563.387595] [acpi_hw_register_read+216/298] acpi_hw_register_read+0xd8/0x12a Dec 4 14:28:14 phoenix kernel: [ 563.387608] [common_interrupt+35/48] common_interrupt+0x23/0x30 Dec 4 14:28:14 phoenix kernel: [ 563.387623] [native_set_wallclock+235/432] native_set_wallclock+0xeb/0x1b0 Dec 4 14:28:14 phoenix kernel: [ 563.387634] [<f884a36b>] acpi_idle_enter_bm+0x25b/0x2ce [processor] Dec 4 14:28:14 phoenix kernel: [ 563.387660] [cpuidle_idle_call+124/176] cpuidle_idle_call+0x7c/0xb0 Dec 4 14:28:14 phoenix kernel: [ 563.387672] [cpu_idle+69/208] cpu_idle+0x45/0xd0 Dec 4 14:28:14 phoenix kernel: [ 563.387697] ======================= Dec 4 14:28:14 phoenix kernel: [ 563.387700] handlers: Dec 4 14:28:14 phoenix kernel: [ 563.387703] [<f887bae0>] (usb_hcd_irq+0x0/0x60 [usbcore]) Dec 4 14:28:14 phoenix kernel: [ 563.387737] Disabling IRQ #23
OK, tried 2.6.24-1-generic. No help:
Dec 4 14:18:08 phoenix syslogd 1.4.1#21ubuntu3: restart. map-2.6. 24-1-generic map-2.6. 24-1-generic. bad_irq+ 36/128] __report_ bad_irq+ 0x24/0x80 +635/704] note_interrupt+ 0x27b/0x2c0 irq+0x2b/ 0x60 [usbcore] IRQ_event+ 48/96] handle_ IRQ_event+ 0x30/0x60 fasteoi_ irq+134/ 224] handle_ fasteoi_ irq+0x86/ 0xe0 register_ read+216/ 298] acpi_hw_ register_ read+0xd8/ 0x12a interrupt+ 35/48] common_ interrupt+ 0x23/0x30 set_wallclock+ 235/432] native_ set_wallclock+ 0xeb/0x1b0 enter_bm+ 0x25b/0x2ce [processor] idle_call+ 124/176] cpuidle_ idle_call+ 0x7c/0xb0 ======= ======= == irq+0x0/ 0x60 [usbcore])
Dec 4 14:18:08 phoenix kernel: Inspecting /boot/System.
Dec 4 14:18:08 phoenix kernel: Loaded 27258 symbols from /boot/System.
Dec 4 14:18:08 phoenix kernel: Symbols match kernel version 2.6.24.
Dec 4 14:18:08 phoenix kernel: No module symbols loaded - kernel modules not enabled.
Dec 4 14:18:08 phoenix kernel: [ 0.000000] Linux version 2.6.24-1-generic (buildd@rothera) (gcc version 4.2.3 20071123 (prerelease) (Ubuntu 4.2.2-3ubuntu4)) #1 SMP Thu Nov 29 19:24:45 GMT 2007 (Ubuntu 2.6.24-1.1-generic)
...
Dec 4 14:28:14 phoenix kernel: [ 563.387424] irq 23: nobody cared (try booting with the "irqpoll" option)
Dec 4 14:28:14 phoenix kernel: [ 563.387438] Pid: 0, comm: swapper Not tainted 2.6.24-1-generic #1
Dec 4 14:28:14 phoenix kernel: [ 563.387469] [__report_
Dec 4 14:28:14 phoenix kernel: [ 563.387492] [note_interrupt
Dec 4 14:28:14 phoenix kernel: [ 563.387508] [<f887bb0b>] usb_hcd_
Dec 4 14:28:14 phoenix kernel: [ 563.387555] [handle_
Dec 4 14:28:14 phoenix kernel: [ 563.387571] [handle_
Dec 4 14:28:14 phoenix kernel: [ 563.387583] [do_IRQ+59/112] do_IRQ+0x3b/0x70
Dec 4 14:28:14 phoenix kernel: [ 563.387595] [acpi_hw_
Dec 4 14:28:14 phoenix kernel: [ 563.387608] [common_
Dec 4 14:28:14 phoenix kernel: [ 563.387623] [native_
Dec 4 14:28:14 phoenix kernel: [ 563.387634] [<f884a36b>] acpi_idle_
Dec 4 14:28:14 phoenix kernel: [ 563.387660] [cpuidle_
Dec 4 14:28:14 phoenix kernel: [ 563.387672] [cpu_idle+69/208] cpu_idle+0x45/0xd0
Dec 4 14:28:14 phoenix kernel: [ 563.387697] =======
Dec 4 14:28:14 phoenix kernel: [ 563.387700] handlers:
Dec 4 14:28:14 phoenix kernel: [ 563.387703] [<f887bae0>] (usb_hcd_
Dec 4 14:28:14 phoenix kernel: [ 563.387737] Disabling IRQ #23