<?xml version="1.0" encoding="UTF-8" ?>

<bugzilla version="5.2"
          urlbase="https://bugzilla.altlinux.org/"
          
          maintainer="jenya@basealt.ru"
>

    <bug>
          <bug_id>35996</bug_id>
          
          <creation_ts>2019-01-29 17:53:11 +0300</creation_ts>
          <short_desc>Ошибки драйвера i915</short_desc>
          <delta_ts>2022-10-05 14:58:02 +0300</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>4</classification_id>
          <classification>Development</classification>
          <product>Sisyphus</product>
          <component>kernel-image-un-def</component>
          <version>unstable</version>
          <rep_platform>all</rep_platform>
          <op_sys>Linux</op_sys>
          <bug_status>NEW</bug_status>
          <resolution></resolution>
          
          
          <bug_file_loc>https://cgit.freedesktop.org/drm-intel/commit/?id=a75d035fedbdecf83f86767aa2e4d05c8c4ffd95</bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords></keywords>
          <priority>P3</priority>
          <bug_severity>normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Aleksei Nikiforov">darktemplaralt</reporter>
          <assigned_to name="Vitaly Chikunov">vt</assigned_to>
          <cc>kernelbot</cc>
    
    <cc>placeholder</cc>
    
    <cc>tatyana</cc>
    
    <cc>vt</cc>
          
          <qa_contact>qa-sisyphus</qa_contact>

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>177921</commentid>
    <comment_count>0</comment_count>
      <attachid>7974</attachid>
    <who name="Aleksei Nikiforov">darktemplaralt</who>
    <bug_when>2019-01-29 17:53:11 +0300</bug_when>
    <thetext>Created attachment 7974
kernel-journalctl.log

Периодически возникают проблемы с графикой: полное зависание компьютера или перезагрузка, артефакты отображения, также недавно были зависания графики Иксов (при этом как минимум мышь продолжала работать, т.е. курсор реагировал).

Из проблем в логах вижу лишь подобные записи:
янв 29 10:43:31 localhost kernel: [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on pipe A (start=35435994 end=35435995) time 352 us, min 1073, max 1079, scanline start 1069, end 1092

Также после последней перезагрузки посмотрел лог и сообщение сразу до перезагрузки прикрепляю к багу.

$ uname -s -r -v -m -o
Linux 4.19.16-un-def-alt1 #1 SMP PREEMPT Thu Jan 17 09:06:35 UTC 2019 x86_64 GNU/Linux

$ glxinfo
OpenGL vendor string: Intel Open Source Technology Center
OpenGL renderer string: Mesa DRI Intel(R) HD Graphics 400 (Braswell) 
OpenGL core profile version string: 4.5 (Core Profile) Mesa 18.3.2
OpenGL core profile shading language version string: 4.50

$ lspci
00:00.0 Host bridge: Intel Corporation Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Series SoC Transaction Register (rev 21)
00:02.0 VGA compatible controller: Intel Corporation Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Integrated Graphics Controller (rev 21)
00:13.0 SATA controller: Intel Corporation Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Series SATA Controller (rev 21)
00:14.0 USB controller: Intel Corporation Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Series USB xHCI Controller (rev 21)
00:1a.0 Encryption controller: Intel Corporation Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Series Trusted Execution Engine (rev 21)
00:1b.0 Audio device: Intel Corporation Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Series High Definition Audio Controller (rev 21)
00:1c.0 PCI bridge: Intel Corporation Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Series PCI Express Port #1 (rev 21)
00:1c.2 PCI bridge: Intel Corporation Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Series PCI Express Port #3 (rev 21)
00:1f.0 ISA bridge: Intel Corporation Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Series PCU (rev 21)
00:1f.3 SMBus: Intel Corporation Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx SMBus Controller (rev 21)
02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 15)</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>177927</commentid>
    <comment_count>1</comment_count>
    <who name="Michael Shigorin">mike</who>
    <bug_when>2019-01-29 22:20:57 +0300</bug_when>
    <thetext>Возможно, это сюда: https://bugzilla.kernel.org/show_bug.cgi?id=109051 -- вкратце: интел забил, известен обход в виде отключения &quot;лишнего&quot; энергосбережения (intel_idle.max_cstate=1 в параметры ядра); пробегало некоторое количество патчей, анализ применимости и результативности которых более уместен для человека с соответствующим железом, как мне кажется.

Баги вешать об этом смысл может быть разве в bugzilla.kernel.org, и то не факт.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>177932</commentid>
    <comment_count>2</comment_count>
    <who name="Aleksei Nikiforov">darktemplaralt</who>
    <bug_when>2019-01-30 10:12:43 +0300</bug_when>
    <thetext>Спасибо за наводку, попробую чуть позже. Пока что нашёл информацию про параметр ядра i915.enable_psr=0 и тестирую его.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>178299</commentid>
    <comment_count>3</comment_count>
    <who name="Aleksei Nikiforov">darktemplaralt</who>
    <bug_when>2019-02-07 10:43:46 +0300</bug_when>
    <thetext>Попробовал добавлять i915.enable_psr=0 в параметры ядра, мне не помогло. Заменил на intel_idle.max_cstate=1 и пока что, похоже, работает стабильно. Спасибо.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>183271</commentid>
    <comment_count>4</comment_count>
    <who name="Michael Shigorin">mike</who>
    <bug_when>2019-07-26 20:40:06 +0300</bug_when>
    <thetext>(В ответ на комментарий №3)
&gt; Попробовал добавлять i915.enable_psr=0 в параметры ядра, мне не помогло.
&gt; Заменил на intel_idle.max_cstate=1 и пока что, похоже, работает стабильно.
&gt; Спасибо.
Пишут: https://bugzilla.kernel.org/show_bug.cgi?id=109051#c1009
...что помог https://bugzilla.kernel.org/show_bug.cgi?id=109051#c1009
(который в 5.3 пошёл).  Возможно, нам стоит этот патчик утащить к себе
на те ядра, куда ляжет.</thetext>
  </long_desc>
      
          <attachment
              isobsolete="0"
              ispatch="0"
              isprivate="0"
          >
            <attachid>7974</attachid>
            <date>2019-01-29 17:53:11 +0300</date>
            <delta_ts>2019-01-29 17:53:11 +0300</delta_ts>
            <desc>kernel-journalctl.log</desc>
            <filename>kernel-journalctl.log</filename>
            <type>text/x-log</type>
            <size>4592</size>
            <attacher name="Aleksei Nikiforov">darktemplaralt</attacher>
            
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    </bug>

</bugzilla>