[Kernel-packages] [Bug 1523088] Re: WARN_ON(!wm_changed) warning and stacktrace in kernel log

** Tags added: cscc -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1523088 Title: WARN_ON(!wm_changed) warning and stacktrace in kernel log Status in linux package in Ubuntu: Incomple

[Kernel-packages] [Bug 1523088] Re: WARN_ON(!wm_changed) warning and stacktrace in kernel log

kamiccolo, a 4.2.x kernel is EOL, and not supported in Ubuntu. For more on this, please see: https://wiki.ubuntu.com/Kernel/LTSEnablementStack https://wiki.ubuntu.com/Releases However, if you have an issue booting a supported version of Ubuntu, please file a new report via: https://bugs.launchpa

[Kernel-packages] [Bug 1523088] Re: WARN_ON(!wm_changed) warning and stacktrace in kernel log

** No longer affects: linux (Ubuntu) ** Project changed: xorg-server => linux (Ubuntu) ** Changed in: linux (Ubuntu) Importance: High => Undecided ** Changed in: linux (Ubuntu) Status: Confirmed => New ** Changed in: linux (Ubuntu) Remote watch: freedesktop.org Bugzilla #89055 => Non

[Kernel-packages] [Bug 1523088] [NEW] WARN_ON(!wm_changed) warning and stacktrace in kernel log

You have been subscribed to a public bug: I always get an warning and stacktrace (and it seems to hang a little bit). This occurs after reboot as well as when I move with the cursor between my hdmi monitor and my laptop. (This only occurs when HDMI is connected) Default Kubuntu install version 15

[Kernel-packages] [Bug 1523088] Re: WARN_ON(!wm_changed) warning and stacktrace in kernel log

Following on 4.2.0-generic (16.04 does not boot at all. At least most of the time): [ 601.848346] WARNING: CPU: 0 PID: 50 at /build/linux-lts-wily-Ejb_ce/linux-lts-wily-4.2.0/drivers/gpu/drm/i915/intel_pm.c:3404 skl_update_other_pipe_wm+0x205/0x210 [i915]() [ 601.848349] WARN_ON(!wm_changed) [

[Kernel-packages] [Bug 1523088] Re: WARN_ON(!wm_changed) warning and stacktrace in kernel log

And that one goes for darn PICO500 machine >_< -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1523088 Title: WARN_ON(!wm_changed) warning and stacktrace in kernel log Status in X.Org X

[Kernel-packages] [Bug 1523088] Re: WARN_ON(!wm_changed) warning and stacktrace in kernel log

Also affects 14.04 with the Xenial HWE. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1523088 Title: WARN_ON(!wm_changed) warning and stacktrace in kernel log Status in X.Org X server:

[Kernel-packages] [Bug 1523088] Re: WARN_ON(!wm_changed) warning and stacktrace in kernel log

This issue also affects ubuntu 16.04 as can be seen in https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1553503 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1523088 Title: WARN_ON(

[Kernel-packages] [Bug 1523088] Re: WARN_ON(!wm_changed) warning and stacktrace in kernel log

dan, to confirm, could you please test drm-intel-nightly via http://kernel.ubuntu.com/~kernel-ppa/mainline/drm-intel-nightly/ and advise to the results? ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Kernel P

[Kernel-packages] [Bug 1523088] Re: WARN_ON(!wm_changed) warning and stacktrace in kernel log

** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1523088 Title: WARN_ON(!wm_changed) warning and stacktrace in kernel l

[Kernel-packages] [Bug 1523088] Re: WARN_ON(!wm_changed) warning and stacktrace in kernel log

I have got hit by this bug as well. It seams to be fixed upstream: "The series that fixes this bug has now been merged to our drm-intel-nightly branch. It should land upstream in kernel 4.8." -- You received this bug notification because you are a member of Kernel Packages, which is subscribed

[Kernel-packages] [Bug 1523088]

Here's the latest revision of the patch series to fix this bug: https://patchwork.freedesktop.org/series/6944/ Since I got a few offline questions last time, the patches here are meant to be applied on top of the drm-intel-nightly branch of git://anongit.freedesktop.org/drm-intel -- You recei

[Kernel-packages] [Bug 1523088]

Been getting this in Fedora 23 (+ testing) 64-bit ever since upgrading the hardware. A desktop system, Intel i7 6700, built-in video, two monitors (HDMI + DVI). The current kernel is: Linux fiona 4.4.9-300.fc23.x86_64 #1 SMP Wed May 4 23:56:27 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux [1.7561

[Kernel-packages] [Bug 1523088]

Created attachment 123545 attachment-22347-0.html Step 2 leads to disabling of OpenGL backend which could mean performance might be a bit lower, but your system will be very stable and usable with this. Hope this info helps some folks. On 7 May 2016 at 23:54, wrote: > *Comment # 55

[Kernel-packages] [Bug 1523088]

Created attachment 123355 attachment-32584-0.html Could someone please let me know how to apply this patchwork to mainstream kernel source? I tried on the latest 4.6-rc5 and it failed. It did work on drm-intel-nightly though which is a not mainstream branch. On 26 April 2016 at 07:45, wrote: >

[Kernel-packages] [Bug 1523088]

Unfortunately, while this patch (against drm-nightly 4.6.0-rc5) did eliminate the stack traces from my dmesg logs, it seems to have *introduced* a freezing bug. Every six to twelve hours or so the system freezes completely, audio stops, caps lock stops working (though it doesn't blink as in a panic

[Kernel-packages] [Bug 1523088]

Note that the series linked above is fully reviewed now, but we probably want to hold off on merging it until one more issue is fixed. Apparently some BIOS can setup an unusual/unexpected initial DDB allocation that causes us problems when we try to inherit it and use it for subsequent watermark ca

[Kernel-packages] [Bug 1523088]

I can confirm that https://patchwork.freedesktop.org/series/5158/ fixes the problem. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1523088 Title: WARN_ON(!wm_changed) warning and stackt

[Kernel-packages] [Bug 1523088]

QA please re-test with latest patch -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1523088 Title: WARN_ON(!wm_changed) warning and stacktrace in kernel log Status in X.Org X server: C

[Kernel-packages] [Bug 1523088]

Has been happening to me as well i7-6560U running 3.19.0-58-generic [ 2523.443953] [ cut here ] [ 2523.443993] WARNING: CPU: 2 PID: 1681 at /build/linux-lts-vivid-GISjUd/linux-lts-vivid-3.19.0/ubuntu/i915/intel_pm.c:3406 skl_update_other_pipe_wm+0x210/0x220 [i915_bpo]()

[Kernel-packages] [Bug 1523088]

I thought that the platform is inferred :) I tested only on SKL (that is my workstation). Same machine as in the attachment used to reopen the issue https://bugs.freedesktop.org/attachment.cgi?id=121513 Distro: Ubuntu 16.04 CPU: Intel(R) Core(TM) i7-6700K MB: Asus Z170-A I don't have access to

[Kernel-packages] [Bug 1523088]

Cezar, did you re-test on both APL & SKL? If so, please include your platform details. Thanks -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1523088 Title: WARN_ON(!wm_changed) warning

[Kernel-packages] [Bug 1523088]

(In reply to Prasad H L Bhat from comment #34) > I get the same error sometimes on my T460 laptop with Intel HD Graphics 520. > When it occurs, it freezes the laptop completely (display turns off, no > virtual terminals work, audio buffer keeps looping if present when freezing). Same in a T460p, u

[Kernel-packages] [Bug 1523088]

*** Bug 95075 has been marked as a duplicate of this bug. *** -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1523088 Title: WARN_ON(!wm_changed) warning and stacktrace in kernel log Sta

[Kernel-packages] [Bug 1523088]

I can confirm that this works for me on SKL, i5-6200U dell xps 13 9350. There used to be a crash at every boot and two on suspend, with external HDMI plugged in. I patched the drm-nightly kernel and compiled it manually. -- You received this bug notification because you are a member of Kernel Pac

[Kernel-packages] [Bug 1523088]

Christophe, please try with the patchset that Matt is pointing out to confirm we don't reproduce the issue. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1523088 Title: WARN_ON(!wm_chan

[Kernel-packages] [Bug 1523088]

Latest version of the patch series that includes a fix for this is available here: https://patchwork.freedesktop.org/series/5158/ -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1523088

[Kernel-packages] [Bug 1523088]

Created attachment 122960 APL-kms_pipe_crc_pipe-c.log Reproduced on APL when executing igt@kms_pipe_crc_basic@suspend-read- crc-pipe-c [ 72.109585] WARNING: CPU: 0 PID: 1639 at /home/shared/kernels/drm-intel-nightly/drivers/gpu/drm/i915/intel_pm.c:3647 skl_update_other_pipe_wm+0x172/0x180 [i9

[Kernel-packages] [Bug 1523088]

I've tried linux-next today (4.6.0-rc3-next-20160412) as I've read there are quite some intel driver changes there and this issue with freezing is gone. I can now log-in with monitor attached and everything still works. The message that we posted here still appears thus confirming what Matt said

[Kernel-packages] [Bug 1523088]

forgot to add: If I disable HWcursor in X config the lockups completely dissappear, but sadly the cursor also disappears whenever I stop to move the mouse :/ -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.lau

[Kernel-packages] [Bug 1523088]

I'm having the same issue, on exactly the same machine as Aljaž Prusnik in comment 31. Machine is Dell XPS 9550 with i7-6700hq, kernel is 4.5.1 (from testing on Arch Linux, using the X modesetting driver) When starting X with external display attached and using xrandr it a) takes very long to ap

[Kernel-packages] [Bug 1523088]

This series should fix this defect once it gets reviewed and merged: https://patchwork.freedesktop.org/series/5158/ -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1523088 Title: WARN_

[Kernel-packages] [Bug 1523088]

Thanks, Matt. You are right that this is not the primary cause for the hanging. I found out that the freeze issue that is affecting me is - https://www.reddit.com/r/thinkpad/comments/4ajgjh/t460_suspend_problem_with_linux/ BTW, I noticed that the following when the backtrace as discussed in this

[Kernel-packages] [Bug 1523088]

(In reply to Prasad H L Bhat from comment #34) > I get the same error sometimes on my T460 laptop with Intel HD Graphics 520. > When it occurs, it freezes the laptop completely (display turns off, no > virtual terminals work, audio buffer keeps looping if present when freezing). I don't think the

[Kernel-packages] [Bug 1523088]

I get the same error sometimes on my T460 laptop with Intel HD Graphics 520. When it occurs, it freezes the laptop completely (display turns off, no virtual terminals work, audio buffer keeps looping if present when freezing). -- You received this bug notification because you are a member of Kern

[Kernel-packages] [Bug 1523088]

Assigning this to Gabriel since he is looking into the dmesg-warn tests results on SKL in CI system. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1523088 Title: WARN_ON(!wm_changed) wa

[Kernel-packages] [Bug 1523088]

I'm pretty sure this happens because we wind up re-computing the same watermark values for each CRTC multiple times in a single atomic transaction (once per CRTC involved in the transaction). I'm putting together some patches that make SKL watermarks play more nicely with atomic (and eliminate thi

[Kernel-packages] [Bug 1523088]

Happens also on a brand new XPS 15 9550 laptop. I tried also today's kernel git (with some drm fixes for i915). System is installed anew with Debian testing up-to-date, latest kernel code and intel video driver 2:2.99.917+git20160218-1. Symptoms: - system boots (lightdm) - laptop screen blinks li

[Kernel-packages] [Bug 1523088] Re: WARN_ON(!wm_changed) warning and stacktrace in kernel log

** Changed in: xorg-server Status: Fix Released => Confirmed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1523088 Title: WARN_ON(!wm_changed) warning and stacktrace in kernel lo

[Kernel-packages] [Bug 1523088]

I believe I am experiencing this issue also. Dell Optiplex 7040 with Intel I7-6700 (skylake) with integrated graphics (Intel HD 530) running Ubuntu 14.04.3 LTS. Two monitors are connected via displayport cables. Issue also occurred when using displayport to DVI adapters. The following is logged t

[Kernel-packages] [Bug 1523088]

Just for the record: I can also reproduce this bug reliably. Feel free to ping me if you need any sort of information, debug or quick patch testing. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.ne

[Kernel-packages] [Bug 1523088]

Created attachment 121513 dmesg, xrandr, vbios, intel reg dump This bug is still reproducing on my machine: Distro: Ubuntu 16.04 CPU: Intel(R) Core(TM) i7-6700K MB: Asus Z170-A kernel: affb4fed39e6ec65cd44f102624885bc97fbfd70 drm-intel-nightly: 2016y-02m-04d-09h-08m-18s UTC integration manifest

[Kernel-packages] [Bug 1523088] Re: WARN_ON(!wm_changed) warning and stacktrace in kernel log

Lars Magnus Herland, it will help immensely if you filed a new report with the Ubuntu repository kernel (not mainline/upstream) via a terminal: ubuntu-bug linux Please feel free to subscribe me to it. For more on why this is helpful, please see https://wiki.ubuntu.com/ReportingBugs. -- You rec

[Kernel-packages] [Bug 1523088] Re: WARN_ON(!wm_changed) warning and stacktrace in kernel log

4.2.0-27-generic #32-Ubuntu SMP Fri Jan 22 04:49:08 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux I have the same issue and it comes every 2-5 minutes Jan 23 11:56:59 zhakal kernel: [ 212.683811] WARNING: CPU: 6 PID: 1446 at /build/linux-NgsOGa/linux-4.2.0/drivers/gpu/drm/i915/intel_pm.c:3404 skl_up

[Kernel-packages] [Bug 1523088] Re: WARN_ON(!wm_changed) warning and stacktrace in kernel log

dan, thank you for taking the time to report this bug and helping to make Ubuntu better. Please execute the following command only once, as it will automatically gather debugging information, in a terminal: apport-collect 1523088 ** Package changed: xorg-server (Ubuntu) => linux (Ubuntu) ** Cha

[Kernel-packages] [Bug 1523088] [NEW] WARN_ON(!wm_changed) warning and stacktrace in kernel log

You have been subscribed to a public bug: I always get an warning and stacktrace (and it seems to hang a little bit). This occurs after reboot as well as when I move with the cursor between my hdmi monitor and my laptop. (This only occurs when HDMI is connected) Default Kubuntu install version 15