** Changed in: hwe-next
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1803942
Title:
System randomly hangs during suspend when mei_wdt is loaded
Status in HWE Next:
Fix Released
Status in linux package in Ubuntu:
Triaged
Status in linux source package in Bionic:
Fix Released
Bug description:
Problem description:
System randomly hangs during suspend when mei_wdt is loaded.
Platform:
Intel Dawson Canyon I5 (NUC7i5DNHE) and I7 (NUC7i7DNHE)
Test procedure:
1. Install Ubuntu 18.04 and do apt full-upgrade
2. Enable mei_wdt:
$ sudo modprobe mei_wdt
3. Do system S3 test:
$ sudo systemctl suspend
or
$ sudo rtcwake -v -m mem -s 15
4. Afterward, I noticed that somehow system will hang during
suspend/resume.
Expect result:
Suspend/resume won't impact system.
Actual result:
System will hang during S3 test.
Additional info:
- BIOS version: V57
- Another i3 platform (NUC7i3DNHNC) doesn't have this issue.
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