On Tue, Jul 15, 2008 at 04:41:00PM +0800, Zhang Rui wrote:
quoted text
> On Tue, 2008-07-15 at 15:41 +0800, Andre Prendel wrote:
> > On Mon, Jul 14, 2008 at 05:11:41PM +0800, Zhang Rui wrote:
> > > > Hello Rui,
> > > >
> > > > that's quite strange. Booting the system to get an acpidump I have
> > > > looked at the dmesg output and there is no ACPI Error like the one
> > > > above. There is only an ACPI Exeption.
> > > >
> > > > [...]
> > > > Jul 13 22:00:18 ubuntu kernel: [    0.104111] ACPI: Core revision
> > > > 20080321
> > > > Jul 13 22:00:18 ubuntu kernel: [    0.104259] ACPI Exception
> > > > (tbxface-0629): AE_NO_ACPI_TABLES, While loading namespace from
> > ACPI
> > > > tables [20080321]
> > > > [...]
> > > >
> > > > Booting again I found the error again
> > > >
> > > > [...]
> > > > Jul 13 22:10:50 ubuntu kernel: [    0.000000] ACPI Error
> > > > (tbutils-0472): Invalid length 0x0 in RSDT/XSDT [20080321]
> > > > [...]
> > > >
> > > > and acpidump says:
> > > > root@ubuntu:/home/andre/src/acpi/pmtools-20071116/acpidump#
> > > > ./acpidumpACPI tables were not found. If you know location of RSD
> > PTR
> > > > table (from dmesg, etc), supply it with either --addr or -a option
> > > >
> > > > Linux 2.6.25.10 always works.
> > >
> > > It seems that OS failed to get the correct RSDT address
> > (0x1fff0000),
> > > although the RSDP is found correctly. (