Bug 106722 - [i915] Linux machine hanged after several reboots
Summary: [i915] Linux machine hanged after several reboots
Status: CLOSED DUPLICATE of bug 106721
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/Intel (show other bugs)
Version: unspecified
Hardware: x86-64 (AMD64) Linux (All)
: medium normal
Assignee: Intel GFX Bugs mailing list
QA Contact: Intel GFX Bugs mailing list
URL:
Whiteboard:
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Depends on:
Blocks:
 
Reported: 2018-05-30 11:19 UTC by ccalderon
Modified: 2018-06-20 08:26 UTC (History)
1 user (show)

See Also:
i915 platform:
i915 features:

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Description ccalderon 2018-05-30 11:19:23 UTC 
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).
Comment 1 ccalderon 2018-05-30 11:25:45 UTC 

*** This bug has been marked as a duplicate of bug 106721 ***

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