Re: MacBookPro2,2 unable too boot with the latest HEAD

["Justin P. Mattock" <justinmattock@gmail.com>]

On 04/19/2010 02:28 PM, Andrew Morton wrote:
> On Wed, 14 Apr 2010 08:12:57 -0700
> Justin Mattock<justinmattock@gmail.com>  wrote:
>
>> Just noticed this this morning,
>> system can only boot up when I take the battery
>> out.(when the battery is plugged in this(below)
>> shows up, and if booting no go)
>>
>> [  169.207193] divide error: 0000 [#1] SMP
>> [  169.207203] last sysfs file: /sys/devices/platform/applesmc.768/light
>> [  169.207208] CPU 0
>> [  169.207212] Modules linked in: rfcomm sco radeon bnep l2cap ttm
>> drm_kms_helper drm ipt_LOG iptable_nat nf_nat xt_state
>> nf_conntrack_ftp nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4
>> iptable_filter ip_tables x_tables btusb bluetooth firewire_ohci ath9k
>> firewire_core ath9k_common video battery ac ath9k_hw evdev joydev
>> ohci1394 ath button thermal sky2 i2c_i801 raw1394 ieee1394 uhci_hcd
>> ehci_hcd coretemp acpi_cpufreq processor appletouch applesmc uvcvideo
>> [  169.207303]
>> [  169.207310] Pid: 182, comm: kacpi_notify Not tainted
>> 2.6.34-rc3-00502-gd3b0936 #42 Mac-F42187C8/MacBookPro2,2
>> [  169.207316] RIP: 0010:[<ffffffff81237e43>]  [<ffffffff81237e43>]
>> acpi_ex_extract_from_field+0xb1/0x24a
>
> Presumably acpi_ex_extract_from_field() fed zero into (the misnamed)
> ACPI_ROUND_UP_TO().
>
> I'll ask Rafael and Maciej to track this as a post-26.33 regression,
> thanks.
>
>

the patch here fixes it for me:ACPI: EC: Limit burst to 64 bit
https://bugzilla.kernel.org/attachment.cgi?id=25962


Justin P. Mattock