Re: Panic with 2.6.19-rc3-ga7aacdf9: Invalid opcode at acpi_os_read_pci_configuration

From: Giacomo Catenazzi <cate@xxxxxxxxxx>
Date: Tue, 31 Oct 2006 20:50:46 +0100

Andrew Morton wrote:

On Tue, 31 Oct 2006 11:29:15 +0100
"Giacomo A. Catenazzi" <cate@xxxxxxxxxx> wrote:

And acpi keeled over as a result.

Do you have CONFIG_PCI_MULTITHREAD_PROBE=y? If so, try disabling it.

No:
# CONFIG_PCI_MULTITHREAD_PROBE is not set

The config is in:
http://www.cateee.net/kernel/config

Your PCI access mode is set to MMCONFIG. Try setting it to "any" (under the
bus options menu).

Ok. It solves the problem. I really don't understand why it
was changed. I remember that I looked for the documentation, so
probably I pressed the wrong key.
Sorry for the wrong bug report.

thanks
cate

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References:
- Panic with 2.6.19-rc3-ga7aacdf9: Invalid opcode at acpi_os_read_pci_configuration
  - From: Giacomo Catenazzi
- Re: Panic with 2.6.19-rc3-ga7aacdf9: Invalid opcode at acpi_os_read_pci_configuration
  - From: Andrew Morton
- Re: Panic with 2.6.19-rc3-ga7aacdf9: Invalid opcode at acpi_os_read_pci_configuration
  - From: Giacomo A. Catenazzi
- Re: Panic with 2.6.19-rc3-ga7aacdf9: Invalid opcode at acpi_os_read_pci_configuration
  - From: Andrew Morton

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Relevant Pages

Re: Panic with 2.6.19-rc3-ga7aacdf9: Invalid opcode at acpi_os_read_pci_configuration
... The config is in: ... Your PCI access mode is set to MMCONFIG. ... bus options menu). ...
(Linux-Kernel)
Re: [Patch v2] Make PCI extended config space (MMCONFIG) a driver opt-in
... As far as the device is concerned, after the Northbridge translates ... the device does not know whether the config cycle ... on the bus was caused by an MMCONFIG cycle or a legacy Port IO ... MMCONFIG cycles, like the AMD 8132, we were blacklisting ...
(Linux-Kernel)
Re: [patch] Make MMCONFIG space (extended PCI config space) a driver opt-in issue
... Inconsistent (config access depends on device) ... MMCONFIG isn't always used, it's used on a per device basis ... in mmconfig_.c} strictly on a per-bus basis, based on the ... ext cfg space is available ...
(Linux-Kernel)
Re: System state too high for too long...
... On Wednesday 08 June 2005 16:35, Andrew Morton wrote: ... I think it may have crept into my config way back when ... send the line "unsubscribe linux-kernel" in ...
(Linux-Kernel)
Re: [Patch v2] Make PCI extended config space (MMCONFIG) a driver opt-in
... Just about NOBODY has devices that need the extended config space. ... Northbridge received Port IO or MMCONFIG cycles. ... MMCONFIG-compliant buses from those that could not handle MMCONFIG. ...
(Linux-Kernel)