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Re: WARNING: CPU: 4 PID: 863 at include/drm/drm_crtc.h:1577 drm_helper_choose_encoder_dpms+0x88/0x90() - evildoer found and neutralized

From Joerg Roedel <joro@8bytes.org>
Newsgroups linux.kernel
Subject Re: WARNING: CPU: 4 PID: 863 at include/drm/drm_crtc.h:1577 drm_helper_choose_encoder_dpms+0x88/0x90() - evildoer found and neutralized
Date 2015-09-30 20:10 +0200
Message-ID <qetZf-4bK-1@gated-at.bofh.it> (permalink)
References (5 earlier) <qe0NA-4fJ-17@gated-at.bofh.it> <qekjf-6VR-1@gated-at.bofh.it> <qeoZA-5g3-7@gated-at.bofh.it> <qet3c-2QO-19@gated-at.bofh.it> <qetwd-3ox-1@gated-at.bofh.it>
Organization linux.* mail to news gateway

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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

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Re: WARNING: CPU: 4 PID: 863 at include/drm/drm_crtc.h:1577 drm_helper_choose_encoder_dpms+0x88/0x90() Alex Deucher <alexdeucher@gmail.com> - 2015-09-22 22:00 +0200
  Re: WARNING: CPU: 4 PID: 863 at include/drm/drm_crtc.h:1577 drm_helper_choose_encoder_dpms+0x88/0x90() Alex Deucher <alexdeucher@gmail.com> - 2015-09-22 23:00 +0200
    Re: WARNING: CPU: 4 PID: 863 at include/drm/drm_crtc.h:1577  drm_helper_choose_encoder_dpms+0x88/0x90() Daniel Vetter <daniel@ffwll.ch> - 2015-09-23 09:30 +0200
      Re: WARNING: CPU: 4 PID: 863 at include/drm/drm_crtc.h:1577  drm_helper_choose_encoder_dpms+0x88/0x90() Borislav Petkov <bp@alien8.de> - 2015-09-23 11:10 +0200
        Re: WARNING: CPU: 4 PID: 863 at include/drm/drm_crtc.h:1577  drm_helper_choose_encoder_dpms+0x88/0x90() Daniel Vetter <daniel@ffwll.ch> - 2015-09-23 16:50 +0200
          Re: WARNING: CPU: 4 PID: 863 at include/drm/drm_crtc.h:1577  drm_helper_choose_encoder_dpms+0x88/0x90() Borislav Petkov <bp@alien8.de> - 2015-09-23 18:10 +0200
            Re: WARNING: CPU: 4 PID: 863 at include/drm/drm_crtc.h:1577  drm_helper_choose_encoder_dpms+0x88/0x90() Borislav Petkov <bp@alien8.de> - 2015-09-23 18:20 +0200
              Re: WARNING: CPU: 4 PID: 863 at include/drm/drm_crtc.h:1577  drm_helper_choose_encoder_dpms+0x88/0x90() - evildoer found and neutralized Borislav Petkov <bp@alien8.de> - 2015-09-26 18:50 +0200
                Re: WARNING: CPU: 4 PID: 863 at include/drm/drm_crtc.h:1577  drm_helper_choose_encoder_dpms+0x88/0x90() - evildoer found and neutralized Jiang Liu <jiang.liu@linux.intel.com> - 2015-09-29 11:00 +0200
                Re: WARNING: CPU: 4 PID: 863 at include/drm/drm_crtc.h:1577  drm_helper_choose_encoder_dpms+0x88/0x90() - evildoer found and neutralized Borislav Petkov <bp@alien8.de> - 2015-09-29 13:00 +0200
                Re: WARNING: CPU: 4 PID: 863 at include/drm/drm_crtc.h:1577  drm_helper_choose_encoder_dpms+0x88/0x90() - evildoer found and neutralized Jiang Liu <jiang.liu@linux.intel.com> - 2015-09-30 09:50 +0200
                Re: WARNING: CPU: 4 PID: 863 at include/drm/drm_crtc.h:1577  drm_helper_choose_encoder_dpms+0x88/0x90() - evildoer found and neutralized Joerg Roedel <joro@8bytes.org> - 2015-09-30 14:50 +0200
                Re: WARNING: CPU: 4 PID: 863 at include/drm/drm_crtc.h:1577  drm_helper_choose_encoder_dpms+0x88/0x90() - evildoer found and neutralized Jiang Liu <jiang.liu@linux.intel.com> - 2015-09-30 19:10 +0200
                Re: WARNING: CPU: 4 PID: 863 at include/drm/drm_crtc.h:1577  drm_helper_choose_encoder_dpms+0x88/0x90() - evildoer found and neutralized Borislav Petkov <bp@alien8.de> - 2015-09-30 19:40 +0200
                Re: WARNING: CPU: 4 PID: 863 at include/drm/drm_crtc.h:1577  drm_helper_choose_encoder_dpms+0x88/0x90() - evildoer found and neutralized Joerg Roedel <joro@8bytes.org> - 2015-09-30 20:10 +0200
                Re: WARNING: CPU: 4 PID: 863 at include/drm/drm_crtc.h:1577  drm_helper_choose_encoder_dpms+0x88/0x90() - evildoer found and neutralized Jiang Liu <jiang.liu@linux.intel.com> - 2015-10-03 09:40 +0200
                Re: WARNING: CPU: 4 PID: 863 at include/drm/drm_crtc.h:1577  drm_helper_choose_encoder_dpms+0x88/0x90() - evildoer found and neutralized Borislav Petkov <bp@alien8.de> - 2015-10-03 11:40 +0200
                Re: WARNING: CPU: 4 PID: 863 at include/drm/drm_crtc.h:1577  drm_helper_choose_encoder_dpms+0x88/0x90() - evildoer found and neutralized Joerg Roedel <joro@8bytes.org> - 2015-10-05 12:10 +0200
                Re: WARNING: CPU: 4 PID: 863 at include/drm/drm_crtc.h:1577  drm_helper_choose_encoder_dpms+0x88/0x90() - evildoer found and neutralized Joerg Roedel <joro@8bytes.org> - 2015-09-30 20:10 +0200

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