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DG945GCLF2 hangs with kacpid at 100% CPU



I am not really sure what to do here.  I recently installed FC10 on a new intel DG945GCLF2 (atom 330 processor) and the machine experiences slowdowns as the kacpid process uses 100% of one of the CPUs.  It's quite bothersome.  I don't know if this is a hardware issue or a kernel bug. 

Here's what I have tried.

Google Search, Fedora Forum Search with no returns of a solution.
Disabled/Re-Enabled Hyperthreading
Tried toggling all the power options in the BIOS
Added acpi=no to Grub gives me only one core (not a good solution)
Tried the kernel that installed from the Live-CD media and the Update repo (no success).
Updated the motherboard BIOS from intel on 11-18-2008 (no success).

Here's one of my many /var/log/messages output:

Dec 16 16:31:16 localhost kernel: BUG: soft lockup - CPU#0 stuck for 61s! [kacpid:105]
Dec 16 16:31:16 localhost kernel: Modules linked in: udf crc_itu_t fuse i915 drm autofs4 sunrpc ip6t_REJECT nf_conntrack_ipv6 ip6ta
ble_filter ip6_tables ipv6 dm_multipath uinput snd_ice1724 snd_rawmidi snd_ice17xx_ak4xxx snd_ac97_codec ac97_bus snd_ak4xxx_adda s
nd_ak4114 snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss iTCO_wdt snd_pcm iTCO_vendo
r_support snd_timer ppdev snd_page_alloc parport_pc snd_pt2258 i2c_i801 i2c_core parport snd_i2c snd soundcore r8169 mii pcspkr lir
c_mceusb2 lirc_dev serio_raw ata_generic pata_acpi [last unloaded: microcode]
Dec 16 16:31:16 localhost kernel:
Dec 16 16:31:16 localhost kernel: Pid: 105, comm: kacpid Not tainted (2.6.27.7-134.fc10.i686 #1)
Dec 16 16:31:16 localhost kernel: EIP: 0060:[<c055867f>] EFLAGS: 00000297 CPU: 0
Dec 16 16:31:16 localhost kernel: EIP is at acpi_ut_valid_acpi_name+0x14/0x3f
Dec 16 16:31:16 localhost kernel: EAX: cb290412 EBX: f7931e0f ECX: 00000003 EDX: cb290453
Dec 16 16:31:16 localhost kernel: ESI: f5444e00 EDI: f7816c48 EBP: f7931e14 ESP: f7931e0c
Dec 16 16:31:16 localhost kernel: DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
Dec 16 16:31:16 localhost kernel: CR0: 8005003b CR2: a9331000 CR3: 0087b000 CR4: 000006d0
Dec 16 16:31:16 localhost kernel: DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
Dec 16 16:31:16 localhost kernel: DR6: ffff0ff0 DR7: 00000400
Dec 16 16:31:16 localhost kernel: [<c05520b8>] acpi_ns_search_and_enter+0x4a/0x14e
Dec 16 16:31:16 localhost kernel: [<c0551c71>] acpi_ns_lookup+0x1ed/0x2ec
Dec 16 16:31:16 localhost kernel: [<c05477d8>] acpi_ds_create_operand+0xca/0x1d7
Dec 16 16:31:16 localhost kernel: [<c0547925>] acpi_ds_evaluate_name_path+0x40/0xe3
Dec 16 16:31:16 localhost kernel: [<c0546875>] acpi_ds_exec_end_op+0x88/0x373
Dec 16 16:31:16 localhost kernel: [<c0555035>] acpi_ps_parse_loop+0x5cd/0x720
Dec 16 16:31:16 localhost kernel: [<c0554468>] acpi_ps_parse_aml+0x6d/0x25b
Dec 16 16:31:16 localhost kernel: [<c05556b5>] acpi_ps_execute_method+0x11c/0x1d7
Dec 16 16:31:16 localhost kernel: [<c05529e6>] acpi_ns_evaluate+0x12e/0x188
Dec 16 16:31:16 localhost kernel: [<c054ab1d>] acpi_ev_asynch_execute_gpe_method+0xab/0xf2
Dec 16 16:31:16 localhost kernel: [<c0544709>] acpi_os_execute_deferred+0x20/0x2c
Dec 16 16:31:16 localhost kernel: [<c0439e9d>] run_workqueue+0x89/0x113
Dec 16 16:31:16 localhost kernel: [<c05446e9>] ? acpi_os_execute_deferred+0x0/0x2c
Dec 16 16:31:16 localhost kernel: [<c0439ff3>] worker_thread+0xcc/0xd8
Dec 16 16:31:16 localhost kernel: [<c043cd4e>] ? autoremove_wake_function+0x0/0x33
Dec 16 16:31:16 localhost kernel: [<c0439f27>] ? worker_thread+0x0/0xd8
Dec 16 16:31:16 localhost kernel: [<c043caab>] kthread+0x3b/0x61
Dec 16 16:31:16 localhost kernel: [<c043ca70>] ? kthread+0x0/0x61
Dec 16 16:31:16 localhost kernel: [<c04048f7>] kernel_thread_helper+0x7/0x10
Dec 16 16:31:16 localhost kernel: =======================

--
Chris E.


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