[Debian-eeepc-devel] Bug#559578: eeepc-acpi-scripts: EeePC 701 freezes with garbled screen while booting

[Darren Salt]

I demand that Alan Jenkins may or may not have written...

> On 12/10/09, Darren Salt <linux at youmustbejoking.demon.co.uk> wrote:
[snip]
>> # sh -x /etc/acpi/actions/ac_adapter.sh . . 00000080 00000000
>> (fake unplugging)
>> # sh -x /etc/acpi/actions/ac_adapter.sh . . 00000080 00000001
>> (fake plugging in)
>> ... anything unusual?
>> (That script ignores the first two parameters.)

> Thanks.

> Firstly I played with yanking the power cable again.  I got two spontaneous
> reboots, but no error messages.

Fun...

> I suspect this is because the battery was no longer full (i.e. it was being
> charged at the time, so the EC was running a different code path).

Hmm. I'm not sure that I'd expect the reboots.

> I then found I was able to repduce the error messages by running the AC
> adaptor script in a loop (doing repeated fake plugging in +out with no
> delay in between).  Turns out I should have read the error messages more
> carefully - this treatment is triggering a failure of the USB controller:

> [ 2187.458888] ehci_hcd 0000:00:1d.7: fatal error
> [ 2187.462878] ehci_hcd 0000:00:1d.7: HC died; cleaning up

Well... I don't think that there's anything that eeepc-acpi-scripts can do
about that, unfortunately :-)

[snip]
> [ 2188.386873] uhci_hcd 0000:00:1d.3: host system error, PCI problems?
> [ 2188.389629] uhci_hcd 0000:00:1d.3: host controller halted, very bad!
> [ 2188.390859] uhci_hcd 0000:00:1d.3: HC died; cleaning up
[snip]

Eek. Good luck in finding the cause of *that* little lot...

-- 
| Darren Salt            | linux at youmustbejoking | nr. Ashington, | Doon
| using Debian GNU/Linux | or ds    ,demon,co,uk    | Northumberland | Army
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