Bugzilla – Bug 102954
After upgrading 9.3->Beta1, kacpid runs with ~ 35% CPU load
Last modified: 2005-08-09 16:22:55 UTC
top shows: 7 root 11 -5 0 0 0 S 35.2 0.0 98:51.69 kacpid Its not constantly ruunnig with this load but keeps on popping up every second. messages shows: Aug 9 10:35:13 heron kernel: snd_ac97_bus: module not supported by Novell, setting U taint flag. Aug 9 10:35:13 heron kernel: ACPI: PCI Interrupt 0000:00:07.5[B] -> GSI 17 (level, low) -> IRQ 193 Aug 9 10:35:13 heron kernel: intel8x0_measure_ac97_clock: measured 54892 usecs Aug 9 10:35:13 heron kernel: intel8x0: clocking to 48000 Aug 9 10:35:21 heron kernel: w1_driver w1_bus_master1: No devices present on the wire. Aug 9 10:35:51 heron last message repeated 3 times Aug 9 10:36:52 heron last message repeated 6 times Sound driver problem ? Severity is major since I can hardly work with the system.
Reverting to preview4 kernel (kernel-default-2.6.13_rc4_git4-3) brings my system back to a saner state
I suspect it's rather a problem with ACPI debug option. (kacpid has nothing to do with sound :)
Andreas also suggested the debug option. However, with the beta1 kernel I didn't see debug output. But with the preview4 kernel, /var/log/messages now shows lots of: Aug 9 11:36:53 heron kernel: [ACPI Debug] String: [0x0F] "Entering RTMP()" Aug 9 11:36:53 heron kernel: [ACPI Debug] String: [0x0F] "Entering TIN2()" Aug 9 11:36:53 heron kernel: [ACPI Debug] String: [0x0F] "Existing RTMP()" Aug 9 11:36:58 heron kernel: [ACPI Debug] String: [0x0F] "Entering RTMP()" Aug 9 11:36:58 heron kernel: [ACPI Debug] String: [0x0F] "Entering TIN2()" Aug 9 11:36:58 heron kernel: [ACPI Debug] String: [0x0F] "Existing RTMP()"
Use ec_burst=burst boot param, that should help. *** This bug has been marked as a duplicate of 102565 ***