happend after i took out the power adapter, and turned of the netbook cooler.
I have trouble with the APCI controller, 

the laptop is really warm, I can't run the CPU on higher that 1GHz + 1 GHz (dual core) or it will over heat within 3 hours or less

WARNING: at fs/buffer.c:1159 mark_buffer_dirty+0x28/0x73()
Hardware name: Satellite A200
Modules linked in: vfat ext2 fat fuse ipt_MASQUERADE iptable_nat nf_nat bridge stp llc sunrpc cpufreq_ondemand acpi_cpufreq xt_physdev ip6t_REJECT nf_conntrack_ipv6 ip6table_filter ip6_tables ipv6 uinput snd_hda_codec_atihdmi arc4 snd_hda_codec_realtek ecb snd_hda_intel snd_hda_codec uvcvideo iwl3945 snd_hwdep videodev iwlcore snd_seq snd_seq_device snd_pcm r8169 snd_timer iTCO_wdt mac80211 sdhci_pci snd v4l1_compat iTCO_vendor_support mii i2c_i801 sdhci tifm_7xx1 joydev tifm_core cfg80211 mmc_core soundcore snd_page_alloc rfkill dm_multipath firewire_ohci firewire_core crc_itu_t yenta_socket rsrc_nonstatic video output usb_storage radeon ttm drm_kms_helper drm i2c_algo_bit i2c_core [last unloaded: microcode]
Pid: 29, comm: khubd Not tainted 2.6.32.11-99.fc12.i686.PAE #1
Call Trace:
[<c04412bd>] warn_slowpath_common+0x6a/0x81
[<c0501912>] ? mark_buffer_dirty+0x28/0x73
[<c04412e6>] warn_slowpath_null+0x12/0x15
[<c0501912>] mark_buffer_dirty+0x28/0x73
[<f7f2f39f>] ext2_sync_fs+0x66/0x79 [ext2]
[<c04ff8f2>] __sync_filesystem+0x58/0x69
[<c04ffa6d>] sync_filesystem+0x41/0x44
[<c050658f>] fsync_bdev+0x1c/0x36
[<c05b9249>] invalidate_partition+0x1c/0x32
[<c0526d61>] del_gendisk+0x32/0xfc
[<c0677031>] sd_remove+0x40/0x72
[<c06600ec>] __device_release_driver+0x5c/0x9e
[<c06601cd>] device_release_driver+0x1d/0x28
[<c065f5dd>] bus_remove_device+0x95/0xbe
[<c065dcfb>] device_del+0xf8/0x139
[<c0673d4a>] __scsi_remove_device+0x47/0x82
[<c0671636>] scsi_forget_host+0x3a/0x56
[<c066c12b>] scsi_remove_host+0x65/0xd6
[<f82ba727>] quiesce_and_remove_host+0x51/0x87 [usb_storage]
[<f82ba820>] usb_stor_disconnect+0x15/0x1f [usb_storage]
[<c06ac7bc>] usb_unbind_interface+0x50/0xc5
[<c06600ec>] __device_release_driver+0x5c/0x9e
[<c06601cd>] device_release_driver+0x1d/0x28
[<c065f5dd>] bus_remove_device+0x95/0xbe
[<c065dcfb>] device_del+0xf8/0x139
[<c06a9dfc>] usb_disable_device+0xab/0x177
[<c06a4e49>] usb_disconnect+0xd0/0x188
[<c06a637f>] hub_events+0x526/0xef9
[<c07a4c93>] ? schedule+0x817/0x864
[<c06a6d79>] hub_thread+0x27/0x162
[<c06a6d79>] ? hub_thread+0x27/0x162
[<c045b671>] ? autoremove_wake_function+0x0/0x34
[<c06a6d52>] ? hub_thread+0x0/0x162
[<c045b439>] kthread+0x64/0x69
[<c045b3d5>] ? kthread+0x0/0x69
[<c0409cc7>] kernel_thread_helper+0x7/0x10