* Re: [Bug 112211] New: ATI Radeon Graphics not rendering correctly [not found] <bug-112211-27@https.bugzilla.kernel.org/> @ 2016-02-09 20:20 ` Andrew Morton 2016-02-09 20:36 ` Dan Williams 0 siblings, 1 reply; 3+ messages in thread From: Andrew Morton @ 2016-02-09 20:20 UTC (permalink / raw) To: smf.linux; +Cc: bugzilla-daemon, Dan Williams, linux-mm (switched to email. Please respond via emailed reply-to-all, not via the bugzilla web interface). On Tue, 09 Feb 2016 08:41:39 +0000 bugzilla-daemon@bugzilla.kernel.org wrote: > https://bugzilla.kernel.org/show_bug.cgi?id=112211 > > Bug ID: 112211 > Summary: ATI Radeon Graphics not rendering correctly > Product: Memory Management > Version: 2.5 > Kernel Version: Linux 4.5-rc3 > Hardware: IA-32 > OS: Linux > Tree: Mainline > Status: NEW > Severity: normal > Priority: P1 > Component: Page Allocator > Assignee: akpm@linux-foundation.org > Reporter: smf.linux@ntlworld.com > Regression: No > > On testing linux 4.5-rc( 1,2 and 3) I have found that my display is not > rendered correctly on starting the X server. My screen is mainly black with > portions of the desktop appearing from time to time. I initially raised this > with the DRM/Radeon team: > > https://bugs.freedesktop.org/show_bug.cgi?id=93998 > > On investigation a bisect identified the following commit as the source of my > problem: > > 01c8f1c44b83a0825b573e7c723b033cece37b86 is the first bad commit > commit 01c8f1c44b83a0825b573e7c723b033cece37b86 > Author: Dan Williams <dan.j.williams@intel.com> > Date: Fri Jan 15 16:56:40 2016 -0800 > > mm, dax, gpu: convert vm_insert_mixed to pfn_t > > Convert the raw unsigned long 'pfn' argument to pfn_t for the purpose of > evaluating the PFN_MAP and PFN_DEV flags. When both are set it triggers > _PAGE_DEVMAP to be set in the resulting pte. > > There are no functional changes to the gpu drivers as a result of this > conversion. > > Signed-off-by: Dan Williams <dan.j.williams@intel.com> > Cc: Dave Hansen <dave@sr71.net> > Cc: David Airlie <airlied@linux.ie> > Signed-off-by: Andrew Morton <akpm@linux-foundation.org> > Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> > > The problem is present on two AMD/ATI systems I have tried but is absent from > my Intel based laptop. All my systems are 32 bit LFS builds. > > I did try to contact Dan Williams but I am not sure that my e-mail got through, > can anyone suggest a way forward please ? > Does your kernel include commit 03fc2da63b9a33dce784a2075c7e068bb97cbf69 Author: Dan Williams <dan.j.williams@intel.com> Date: Tue Jan 26 09:48:05 2016 -0800 mm: fix pfn_t to page conversion in vm_insert_mixed -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a> ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [Bug 112211] New: ATI Radeon Graphics not rendering correctly 2016-02-09 20:20 ` [Bug 112211] New: ATI Radeon Graphics not rendering correctly Andrew Morton @ 2016-02-09 20:36 ` Dan Williams 2016-02-11 2:21 ` Dan Williams 0 siblings, 1 reply; 3+ messages in thread From: Dan Williams @ 2016-02-09 20:36 UTC (permalink / raw) To: Andrew Morton; +Cc: smf.linux, bugzilla-daemon, Linux MM On Tue, Feb 9, 2016 at 12:20 PM, Andrew Morton <akpm@linux-foundation.org> wrote: > > (switched to email. Please respond via emailed reply-to-all, not via the > bugzilla web interface). > > On Tue, 09 Feb 2016 08:41:39 +0000 bugzilla-daemon@bugzilla.kernel.org wrote: > >> https://bugzilla.kernel.org/show_bug.cgi?id=112211 >> >> Bug ID: 112211 >> Summary: ATI Radeon Graphics not rendering correctly >> Product: Memory Management >> Version: 2.5 >> Kernel Version: Linux 4.5-rc3 >> Hardware: IA-32 >> OS: Linux >> Tree: Mainline >> Status: NEW >> Severity: normal >> Priority: P1 >> Component: Page Allocator >> Assignee: akpm@linux-foundation.org >> Reporter: smf.linux@ntlworld.com >> Regression: No >> >> On testing linux 4.5-rc( 1,2 and 3) I have found that my display is not >> rendered correctly on starting the X server. My screen is mainly black with >> portions of the desktop appearing from time to time. I initially raised this >> with the DRM/Radeon team: >> >> https://bugs.freedesktop.org/show_bug.cgi?id=93998 >> >> On investigation a bisect identified the following commit as the source of my >> problem: >> >> 01c8f1c44b83a0825b573e7c723b033cece37b86 is the first bad commit >> commit 01c8f1c44b83a0825b573e7c723b033cece37b86 >> Author: Dan Williams <dan.j.williams@intel.com> >> Date: Fri Jan 15 16:56:40 2016 -0800 >> >> mm, dax, gpu: convert vm_insert_mixed to pfn_t >> >> Convert the raw unsigned long 'pfn' argument to pfn_t for the purpose of >> evaluating the PFN_MAP and PFN_DEV flags. When both are set it triggers >> _PAGE_DEVMAP to be set in the resulting pte. >> >> There are no functional changes to the gpu drivers as a result of this >> conversion. >> >> Signed-off-by: Dan Williams <dan.j.williams@intel.com> >> Cc: Dave Hansen <dave@sr71.net> >> Cc: David Airlie <airlied@linux.ie> >> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> >> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> >> >> The problem is present on two AMD/ATI systems I have tried but is absent from >> my Intel based laptop. All my systems are 32 bit LFS builds. >> >> I did try to contact Dan Williams but I am not sure that my e-mail got through, >> can anyone suggest a way forward please ? >> > > Does your kernel include > > commit 03fc2da63b9a33dce784a2075c7e068bb97cbf69 > Author: Dan Williams <dan.j.williams@intel.com> > Date: Tue Jan 26 09:48:05 2016 -0800 > > mm: fix pfn_t to page conversion in vm_insert_mixed > Hi Stuart, from the bugzilla activity it looks like you are already running with this fix. Can you append you kernel config file to the bugzilla. There's something particular about 32-bit builds I'm missing... -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a> ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [Bug 112211] New: ATI Radeon Graphics not rendering correctly 2016-02-09 20:36 ` Dan Williams @ 2016-02-11 2:21 ` Dan Williams 0 siblings, 0 replies; 3+ messages in thread From: Dan Williams @ 2016-02-11 2:21 UTC (permalink / raw) To: Andrew Morton; +Cc: smf.linux, bugzilla-daemon, Linux MM On Tue, Feb 9, 2016 at 12:36 PM, Dan Williams <dan.j.williams@intel.com> wrote: > On Tue, Feb 9, 2016 at 12:20 PM, Andrew Morton > <akpm@linux-foundation.org> wrote: >> >> (switched to email. Please respond via emailed reply-to-all, not via the >> bugzilla web interface). >> >> On Tue, 09 Feb 2016 08:41:39 +0000 bugzilla-daemon@bugzilla.kernel.org wrote: >> >>> https://bugzilla.kernel.org/show_bug.cgi?id=112211 >>> >>> Bug ID: 112211 >>> Summary: ATI Radeon Graphics not rendering correctly >>> Product: Memory Management >>> Version: 2.5 >>> Kernel Version: Linux 4.5-rc3 >>> Hardware: IA-32 >>> OS: Linux >>> Tree: Mainline >>> Status: NEW >>> Severity: normal >>> Priority: P1 >>> Component: Page Allocator >>> Assignee: akpm@linux-foundation.org >>> Reporter: smf.linux@ntlworld.com >>> Regression: No >>> >>> On testing linux 4.5-rc( 1,2 and 3) I have found that my display is not >>> rendered correctly on starting the X server. My screen is mainly black with >>> portions of the desktop appearing from time to time. I initially raised this >>> with the DRM/Radeon team: >>> >>> https://bugs.freedesktop.org/show_bug.cgi?id=93998 >>> >>> On investigation a bisect identified the following commit as the source of my >>> problem: >>> >>> 01c8f1c44b83a0825b573e7c723b033cece37b86 is the first bad commit >>> commit 01c8f1c44b83a0825b573e7c723b033cece37b86 >>> Author: Dan Williams <dan.j.williams@intel.com> >>> Date: Fri Jan 15 16:56:40 2016 -0800 >>> >>> mm, dax, gpu: convert vm_insert_mixed to pfn_t >>> >>> Convert the raw unsigned long 'pfn' argument to pfn_t for the purpose of >>> evaluating the PFN_MAP and PFN_DEV flags. When both are set it triggers >>> _PAGE_DEVMAP to be set in the resulting pte. >>> >>> There are no functional changes to the gpu drivers as a result of this >>> conversion. >>> >>> Signed-off-by: Dan Williams <dan.j.williams@intel.com> >>> Cc: Dave Hansen <dave@sr71.net> >>> Cc: David Airlie <airlied@linux.ie> >>> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> >>> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> >>> >>> The problem is present on two AMD/ATI systems I have tried but is absent from >>> my Intel based laptop. All my systems are 32 bit LFS builds. >>> >>> I did try to contact Dan Williams but I am not sure that my e-mail got through, >>> can anyone suggest a way forward please ? >>> >> >> Does your kernel include >> >> commit 03fc2da63b9a33dce784a2075c7e068bb97cbf69 >> Author: Dan Williams <dan.j.williams@intel.com> >> Date: Tue Jan 26 09:48:05 2016 -0800 >> >> mm: fix pfn_t to page conversion in vm_insert_mixed >> > > Hi Stuart, from the bugzilla activity it looks like you are already > running with this fix. Can you append you kernel config file to the > bugzilla. There's something particular about 32-bit builds I'm > missing... Thanks for the config file. I was able to reproduce this in a VM that uses the DRM layer. The fix that works for me is available here in patchwork [1]. Let me know if it works in your environment. [1]: https://patchwork.kernel.org/patch/8276171/ -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a> ^ permalink raw reply [flat|nested] 3+ messages in thread
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2016-02-09 20:20 ` [Bug 112211] New: ATI Radeon Graphics not rendering correctly Andrew Morton
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2016-02-11 2:21 ` Dan Williams
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