> >>> [ 0.294037] pnp 00:0b: can't evaluate _CRS: 12311 It sure would be nice if this error message would include the full pathname to the _CRS method. As it stands, it is rather difficult to determine just what caused this. > -----Original Message----- > From: Sedat Dilek [mailto:sedat.dilek@xxxxxxxxxxxxxx] > Sent: Monday, April 23, 2012 3:27 PM > To: Bjorn Helgaas > Cc: linux-acpi@xxxxxxxxxxxxxxx; Len Brown; linux- > kernel@xxxxxxxxxxxxxxx; Moore, Robert; Lin, Ming M > Subject: Re: Warning: pnp 00:0b: can't evaluate _CRS: 12311 > > On Tue, Apr 24, 2012 at 12:04 AM, Bjorn Helgaas <bhelgaas@xxxxxxxxxx> > wrote: > > On Mon, Apr 23, 2012 at 6:03 AM, Sedat Dilek > <sedat.dilek@xxxxxxxxxxxxxx> wrote: > >> On Mon, Apr 23, 2012 at 11:48 AM, Sedat Dilek > >> <sedat.dilek@xxxxxxxxxxxxxx> wrote: > >>> [ Please CC me I am not subscribed to this ML ] > >>> > >>> Hi, > >>> > >>> with a self-compiled linux-3.4-rc4 I am seeing this > bugs/failures/warnings: > >>> > >>> [ 0.241572] [Firmware Bug]: ACPI: BIOS _OSI(Linux) query ignored > >>> > >>> [ 0.279385] pci0000:00: ACPI _OSC request failed (AE_ERROR), > >>> returned control mask: 0x1d > >>> > >>> [ 0.293699] system 00:0a: Plug and Play ACPI device, IDs PNP0c02 > >>> (active) [ 0.294032] ACPI Error: Invalid/unsupported resource > descriptor: > >>> Type 0x00 (20120320/utresrc-650) > >>> [ 0.294037] pnp 00:0b: can't evaluate _CRS: 12311 > >>> > >>> The same outputs I have seen also with an unsupported drm-intel- > next > >>> kernel from Ubuntu/PPA archives [1]. > >>> > >>> What does ist mean? Is it harmless? Buggy firmware/bios? > >>> > >>> Do you need more background infos (dmesg, kernel-config, etc.)? > >>> > >>> Regards, > >>> - Sedat - > >>> > >>> [1] > >>> http://kernel.ubuntu.com/~kernel-ppa/mainline/drm-intel- > next/current > >>> / > >> > >> I have upgraded this Samsung series-5 notebook from BIOS version > 05XK > >> to 06XK, but the pnp/_CRS warning still remains. > > > > Resource type 0 is "reserved" per the ACPI spec, so this is likely a > > BIOS defect. However, we might be able to handle it better than we > > currently do. > > > > I would expect all versions of Linux would report this error -- can > > you confirm that or identify a version that didn't complain? Also, > > can you collect an acpidump (see > > http://www.lesswatts.org/projects/acpi/utilities.php)? > > > > In acpi_ut_validate_resource(), we return > AE_AML_INVALID_RESOURCE_TYPE > > (0x3017 == 12311), which explains the messages you see. The comments > > in acpi_ut_walk_aml_resources() suggest that we can't continue > because > > the length may be bogus if the type is invalid. But I suspect that > if > > we just treat it as a zero-length descriptor and ignore it, things > > will probably work, and that's likely what Windows does. > > > > Bjorn > > [ Removed Adam Belay <abelay@xxxxxxx> (email-address does not exist > anymore) ] > > Yeah, I asked today on #ubuntu-kernel and people there were very > helpful and gave some good explanations (AE_AML_INVALID_RESOURCE_TYPE > etc.). > > The acpidump.log I pastebin-ed today, so here it is :-). > > The kernel shipped with Ubuntu/precise does not show the pnp/_CSR > issue, this is linux-image-3.2.0-23-generic (3.2.0-23.36). > > Hope this helps. > > - Sedat - ��.n��������+%������w��{.n�����{�����ܨ}���Ơz�j:+v�����w����ޙ��&�)ߡ�a����z�ޗ���ݢj��w�f
