crash/automatic reboot on dragonboard

Bug #1591994 reported by Paul Larson on 2016-06-13
This bug affects 1 person
Affects Status Importance Assigned to Milestone
linux-snapdragon (Ubuntu)
Paolo Pisati

Bug Description

While working on getting some tests running on dragonboard under ubuntu-core, I managed to trigger a spontaneous reboot. I've stripped out just the bit that hit the problem, it only takes a few seconds to hit the bug. I run this as a normal user, no sudo:

for i in `udevadm info --export-db | sed -n 's/^P: //p'`; do
 echo "P: $i"
 udevadm info --attribute-walk --path=/sys$i 2>/dev/null | sed -n 's/ ATTR{\(.*\)}=="\(.*\)"/A: \1=\2/p'

ubuntu@localhost:~$ uname -a
Linux localhost.localdomain 4.4.0-1014-snapdragon #16-Ubuntu SMP Tue May 17 19:12:00 UTC 2016 aarch64 aarch64 aarch64 GNU/Linux

Paul Larson (pwlars) wrote :

I did manage to catch this from the serial console once, right before reset:
[13581.077562] Unhandled fault: synchronous external abort (0x96000010) at 0xffffff

I don't seem to catch it every time though.

Paolo Pisati (p-pisati) on 2016-06-16
Changed in linux-snapdragon (Ubuntu):
assignee: nobody → Paolo Pisati (p-pisati)
Paolo Pisati (p-pisati) on 2016-06-21
Changed in linux-snapdragon (Ubuntu):
status: New → Triaged
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