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Submit #2390

closed

PCIe memory mapped config

Added by yellowrabbit2010 about 10 years ago. Updated almost 10 years ago.

Status:
Closed
Priority:
Normal
Assignee:
-
Category:
-
Target version:
-
Start date:
Due date:
% Done:

0%

Estimated time:

Description

Hello,
Writing 0xffffffff to BAR while memory address decoding in the PCI command register is enabled may make PCIe memory mapped configuration region inaccessible. Disabling memory address decoding can help.

Patch
http://yrabbit.freeshell.org/pcie.diff

Actions #1

Updated by sepherosa almost 10 years ago

Grab.

YONETANI,
could you test this patch w/ hw.pci.mcfg=1?

Best Regards,
sephe

On Wed, Jun 20, 2012 at 3:37 PM, Romick Romick via Redmine
<> wrote:

Issue #2390 has been reported by Romick Romick.

----------------------------------------
Submit #2390: PCIe memory mapped config
http://bugs.dragonflybsd.org/issues/2390

Author: Romick Romick
Status: New
Priority: Normal
Assignee:
Category:
Target version:

Hello,
Writing 0xffffffff to BAR while memory address decoding in the PCI command register is enabled may make PCIe memory mapped configuration region inaccessible. Disabling memory address decoding can help.

Patch
http://yrabbit.freeshell.org/pcie.diff

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Tomorrow Will Never Die

Actions #2

Updated by y0n3t4n1 almost 10 years ago

Hi,

On Tue, Jun 26, 2012 at 10:40:38AM +0800, Sepherosa Ziehau wrote:

Grab.

YONETANI,
could you test this patch w/ hw.pci.mcfg=1?

Yes, the kernel booted with hw.pci.mcfg=1 in /boot/loader.conf
(the patch applied against 942d88efd, though).

Thank you!

Best Regards,
sephe

On Wed, Jun 20, 2012 at 3:37 PM, Romick Romick via Redmine
<> wrote:

Issue #2390 has been reported by Romick Romick.

----------------------------------------
Submit #2390: PCIe memory mapped config
http://bugs.dragonflybsd.org/issues/2390

Author: Romick Romick
Status: New
Priority: Normal
Assignee:
Category:
Target version:

Hello,
Writing 0xffffffff to BAR while memory address decoding in the PCI command register is enabled may make PCIe memory mapped configuration region inaccessible. Disabling memory address decoding can help.

Patch
http://yrabbit.freeshell.org/pcie.diff

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Tomorrow Will Never Die

Actions #3

Updated by sepherosa almost 10 years ago

On Wed, Jun 20, 2012 at 3:37 PM, Romick Romick via Redmine
<> wrote:

Issue #2390 has been reported by Romick Romick.

----------------------------------------
Submit #2390: PCIe memory mapped config
http://bugs.dragonflybsd.org/issues/2390

Author: Romick Romick
Status: New
Priority: Normal
Assignee:
Category:
Target version:

Hello,
Writing 0xffffffff to BAR while memory address decoding in the PCI command register is enabled may make PCIe memory mapped configuration region inaccessible. Disabling memory address decoding can help.

Patch
http://yrabbit.freeshell.org/pcie.diff

Could you repost the patch? It is no longer there. I am going to commit it.

Thanks,
sephe

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Tomorrow Will Never Die

Actions #5

Updated by swildner almost 10 years ago

  • Status changed from New to Closed

Pushed by sephe (f020c2dbea84d57235a24f26559feefae95a85dc)

Thanks!

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