> 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
