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<p class="MsoNormal"><span lang="EN-US">Hello,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">The linux i915 CI shardruns have been disabled. This is due to the unfortunate<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">filesystem-corrupting bug first seen in linux-next 20210215, which now has<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">been merged to linus 5.12-rc1 and further on to DRM-Tip, first instance seen<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">in CI_DRM_9818. Last changes coming in were:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">fb3b93df7979 drm-tip: 2021y-03m-01d-09h-36m-57s UTC integration manifest<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">3b3c4086295b drm-tip: 2021y-03m-01d-08h-49m-06s UTC integration manifest<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">fe07bfda2fb9 Linux 5.12-rc1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">More information can be seen at:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><a href="https://phoronix.com/scan.php?page=news_item&px=Linux-5.12-Early-Buggy-Issue">https://phoronix.com/scan.php?page=news_item&px=Linux-5.12-Early-Buggy-Issue</a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I’ve seen this bug happen regularly with (but not limited to) IGT test:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">igt@gem_tiled_swapping@non-threaded<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">The range for bisection is linux-next 20210215 to 20210129 because the kernels
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">in-between taint the kernel and our i915 testing was not done. Hitting the bug
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">corrupts the underlying filesystem very thoroughly, wiping out large amount of
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">data from the beginning of the partition which leaves fsck sad with thousands of<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">items lost. Bisection of the IGT testlist was done with two root filesystems, where<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">testable kernel booted from 2. partition, and copy of the 2. partition was stored<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">on 1. partition and could be restored at will.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I’ll continue bisecting this bug on the linux-next tree again. If someone has more<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">information where this issue originates from, help would be appreciated.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Tomi Sarvela<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:FI">--<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IE" style="font-size:9.5pt;font-family:"Arial",sans-serif;color:black;background:white;mso-fareast-language:EN-IE">Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo</span><span lang="EN-IE" style="mso-fareast-language:EN-IE"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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