Bug 1281368 - drm_vblank_count_and_time floods ring buffer [NEEDINFO]
Summary: drm_vblank_count_and_time floods ring buffer
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Fedora
Classification: Fedora
Component: kernel
Version: 22
Hardware: i686
OS: Linux
unspecified
high
Target Milestone: ---
Assignee: Kernel Maintainer List
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2015-11-12 12:00 UTC by poma
Modified: 2016-01-26 18:25 UTC (History)
6 users (show)

Fixed In Version: kernel-4.3.3-301.fc23 kernel-4.3.3-303.fc23
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2016-01-26 18:25:25 UTC
Type: Bug
pomidorabelisima: needinfo? (kernel-maint)


Attachments (Terms of Use)
stabilization: drm/nouveau: Fix pre-nv50 pageflip events v4 - rhbz 1281368 (8.93 KB, patch)
2015-12-12 16:40 UTC, poma
no flags Details | Diff


Links
System ID Private Priority Status Summary Last Updated
Linux Kernel 106431 0 None None None Never

Description poma 2015-11-12 12:00:35 UTC
Description of problem:
"Triggering a warning when trying to sample the vblank timestamp for a
non-existing pipe."
On pre NV50, i.e. NV34, nouveau.

Version-Release number of selected component (if applicable):
kernel-4.3.0-1.fc24

How reproducible:
101%

Steps to Reproduce:
1. Install & Run kernel 4.3.x on pre NV50, i.e. NV34, nouveau.

Actual results:
drm_vblank_count_and_time floods ring buffer

Expected results:
Parmigiano e prosciutto

Additional info:
Tested patch v2 and v4, successfully.

Comment 2 poma 2015-12-07 07:05:42 UTC
For stable 4.3.1

"drm/nouveau: Fix pre-nv50 pageflip events (v4)"
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=bbc8764

Tested successfully with 4.3.0-2/3.fc22.i686 from 2015-11-07 to this day.

Comment 3 poma 2015-12-12 16:40:46 UTC
Created attachment 1105117 [details]
stabilization: drm/nouveau: Fix pre-nv50 pageflip events v4 - rhbz 1281368

Comment 4 poma 2015-12-14 07:29:34 UTC
Also tested with:
kernel-{core,modules}-4.3.2-200.fc22.{i686,x86_64}

Comment 5 poma 2016-01-07 11:22:00 UTC
Will this patch accompany kernel-4.3.3-300.fc22?

Comment 6 Josh Boyer 2016-01-07 12:54:05 UTC
(In reply to poma from comment #5)
> Will this patch accompany kernel-4.3.3-300.fc22?

Unknown.  Also, that specific kernel version will never exist.  It would be 4.3.3-200.fc22.  However, by the time we rebase f22 I am hoping 4.3.4 is out.

Comment 7 Fedora Update System 2016-01-15 19:25:28 UTC
kernel-4.3.3-301.fc23 has been submitted as an update to Fedora 23. https://bodhi.fedoraproject.org/updates/FEDORA-2016-26e19f042a

Comment 8 Fedora Update System 2016-01-17 14:23:23 UTC
kernel-4.3.3-301.fc23 has been pushed to the Fedora 23 testing repository. If problems still persist, please make note of it in this bug report.
See https://fedoraproject.org/wiki/QA:Updates_Testing for
instructions on how to install test updates.
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2016-26e19f042a

Comment 9 Fedora Update System 2016-01-19 12:55:14 UTC
kernel-4.3.3-302.fc23 has been submitted as an update to Fedora 23. https://bodhi.fedoraproject.org/updates/FEDORA-2016-db9fedd7c4

Comment 10 poma 2016-01-20 11:35:26 UTC
You miss this one in changelog:

diff --git a/kernel.spec b/kernel.spec
index 1670231..8547529 100644
--- a/kernel.spec
+++ b/kernel.spec
@@ -2304,6 +2304,7 @@ fi
 - Add currently queued networking stable patches
 - Add a couple btrfs patches cc'd to stable upstream
 - Add SCSI patches to avoid blacklist false positives (rhbz 1299810)
+- Fix warnings from pre-nv50 cards (rhbz 1281368)
 
 * Fri Jan 15 2016 Josh Boyer <jwboyer@fedoraproject.org>
 - CVE-2015-8767 sctp: DoS during timeout (rhbz 1297389 1298437)


besides
4.3.3-200.fc22.i686+debug
PASSED

Comment 11 Fedora Update System 2016-01-20 21:52:29 UTC
kernel-4.3.3-301.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.

Comment 12 poma 2016-01-21 11:51:57 UTC
Why there is no announcements for Fedora 22 kernel?

Comment 13 Josh Boyer 2016-01-21 13:51:48 UTC
The fix is there.  You commented yourself it is.  I forgot to include this bug number, but it doesn't matter because it's already closed.

Comment 14 Fedora Update System 2016-01-22 04:58:45 UTC
kernel-4.3.3-303.fc23 has been pushed to the Fedora 23 testing repository. If problems still persist, please make note of it in this bug report.
See https://fedoraproject.org/wiki/QA:Updates_Testing for
instructions on how to install test updates.
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2016-b59fd603be

Comment 15 Fedora Update System 2016-01-26 18:23:26 UTC
kernel-4.3.3-303.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.


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