[Bug 106722] New: [i915] Linux machine hanged after several reboots
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Wed May 30 11:19:23 UTC 2018
https://bugs.freedesktop.org/show_bug.cgi?id=106722
Bug ID: 106722
Summary: [i915] Linux machine hanged after several reboots
Product: DRI
Version: unspecified
Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: DRM/Intel
Assignee: intel-gfx-bugs at lists.freedesktop.org
Reporter: ccalderon at elitegrupo.com
QA Contact: intel-gfx-bugs at lists.freedesktop.org
CC: intel-gfx-bugs at lists.freedesktop.org
Tested with Ubuntu (4.16, 4.18) and Ubilinux3 and 4 (Debian) distros and
multiple kernel versions (from 4.4 to 4.15) on UP board machines.
In all cases, the issue is the same. After several software reboots (in most of
the cases less than 100 reboots) the UP machine hangs and is blocked. So, it is
impossible to use but disconnecting the power wire.
Using an FTDI connector to use the UART transmitter, some ERROR messages were
found in the exact moment where machine hangs.
All the ERROR are on line with the i915 module of DRM used in the GPU.
After disabling all modules for i915 in the kernel configuration file and
rebuild the full kernel and test again, with more than 1000 reboots, the UP
machine continues working properly. That test was used in Ubuntu and Ubilinux
(Debian).
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