On Tuesday 31 July 2007 06:35, Ph. Marek wrote:
quoted text
> Hello everybody!
> 
> I have two machines which freeze during boot; this seems to be ACPI-related, 
> because with acpi=off they start.
> 
> The first one is the HP DC 7700; some summary can be seen on
>   http://forums1.itrc.hp.com/service/forums/questionanswer.do?threadId=1081719
> It hangs after a line
>   ACPI assume root bridge[\sp_.pci0] bus is 0

Looks like this box has been broken since December, 2006!
Not booting unless "acpi=off" is a serious failure.

quoted text
> The second one is a notebook; a Roda Rocky III+ RK886EX, which just shows a 
> blank screen.

Please get Linux up and running on the two boxes
using whatever means are at your disposal (some mentioned
in the thread above are acpi=off, pci=noacpi,
pci=conf1, noapic hda=noprobe hdc=noprobe)

Download the latest stable kernel.org kernel (2.6.22.1 today)
Make sure that the latest kernel still fails unless
you apply the workaround(s).

Then open two a bug report for each machine here:
http://bugzilla.kernel.org/enter_bug.cgi?product=ACPI

Attach the output from acpidump, as well as the
complete dmesg and lspci -vv output,
and paste the contents of /proc/interrupts.
Then, if you can capture the console output taken from the actual failure
case, that would be ideal

quoted text
> As we drive many machines from the same kernel image via PXE, I tried to 
> insert them into drivers/acpi/blacklist.c; but that doesn't help, either - 
> the notebook hangs as before, no matter whether I set is_critical_error or 
> not. 
>  [ I suppose I wrote the entries wrong; is there some HOWTO? I used
>    acpidump/acpixtract/acpitbl, copied other blacklist entries, and took
>    "OEM Table ID", "OEMID", "OEM REVISION". Help? ]

Lets see if we can find out what the problem is before we
blacklist the machines.

thanks,
-Len
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