lkml.org 
[lkml]   [2015]   [Sep]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: WARNING: CPU: 4 PID: 863 at include/drm/drm_crtc.h:1577 drm_helper_choose_encoder_dpms+0x88/0x90() - evildoer found and neutralized
On Wed, Sep 30, 2015 at 07:36:19PM +0200, Borislav Petkov wrote:
> Right, so this fixes the issue on my box, courtesy of Joerg. WE
> basically don't disable the IRQ on MSI-enabled devices. The AMD IOMMU
> uses a barebones PCI device but not a PCI driver, which would be an
> overkill.

Well, not only overkill, but actually harmful. As I just wrote to
Jiang, a device can be forcibly unbound from its driver, which is
something we don't want for the IOMMU.


Joerg



\
 
 \ /
  Last update: 2015-09-30 20:21    [W:0.226 / U:0.360 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site