Comment 14 for bug 1625805

Revision history for this message
Paolo Pisati (p-pisati) wrote : Re: arm64 kernel panic for l2 mmu with unity8 session snap

I can reproduce it on a ubuntu-classic installation on the Dragonboard, just trying to execute the history-daemon as an unprivileged user:

$ sudo apt-get instal history-service
$ sudo reboot

login again:

$ history-daemon
Using database at "/home/ubuntu/.local/share/history-service/history.sqlite"
tp-qt 0.9.6.1 WARN: Unable to register client: busName "org.freedesktop.Telepathy.Client.HistoryDaemonObserver" already register
ed
...
tp-qt 0.9.6.1 WARN: Unable to register client: busName "org.freedesktop.Telepathy.Client.HistoryDaemonObserver20" already registered
void HistoryDaemon::onObserverCreated()
Segmentation fault

$ dmesg
...
[ 698.875269] history-daemon[751]: unhandled level 2 translation fault (11) at 0x00000018, esr 0x83000006
[ 698.875307] pgd = ffffffc0316dc000
[ 698.875347] [00000018] *pgd=00000000b02af003, *pud=00000000b02af003, *pmd=0000000000000000

[ 698.885755] CPU: 3 PID: 751 Comm: history-daemon Not tainted 4.4.0-1030-snapdragon #33-Ubuntu
[ 698.885779] Hardware name: Qualcomm Technologies, Inc. APQ 8016 SBC (DT)
[ 698.885811] task: ffffffc033f40c80 ti: ffffffc033aa8000 task.ti: ffffffc033aa8000
[ 698.885839] PC is at 0x18
[ 698.885863] LR is at 0x7f8ab8e848
[ 698.885890] pc : [<0000000000000018>] lr : [<0000007f8ab8e848>] pstate: 00000000
[ 698.885911] sp : 0000007fe62df5c0
[ 698.885934] x29: 0000007fe62df5c0 x28: 0000000000000000
[ 698.885967] x27: 0000007f8ac25000 x26: 0000007f8adad000
[ 698.885999] x25: 0000000000000000 x24: 0000007fe62df8a8
[ 698.886030] x23: 0000000037e64ed0 x22: 0000000037e263a0
[ 698.886062] x21: 0000007f8adad000 x20: 0000000000420dc0
[ 698.886092] x19: 0000000000420df0 x18: 0000000000000040
[ 698.886123] x17: 0000007f8ab8e678 x16: 000000000043a320
[ 698.886154] x15: 0000007f8b3d1000 x14: 0000000000000000
[ 698.886185] x13: 0072004300720065 x12: 0076007200650073
[ 698.886217] x11: 0000007fe62df7a0 x10: 0101010101010101
[ 698.886248] x9 : 0000000037e64ed0 x8 : 0000007fe62df8a8
[ 698.886278] x7 : 0000000000000000 x6 : 0000000000000000
[ 698.886309] x5 : 0000007f8a7389d0 x4 : 0000000000000002
[ 698.886339] x3 : 0000007f8ac25b20 x2 : 37d279b830dd2300
[ 698.886370] x1 : 0000000000000018 x0 : 0000000037e64ed0

$ uname -a
Linux dragon410c 4.4.0-1030-snapdragon #33-Ubuntu SMP Fri Oct 7 23:16:14 UTC 2016 aarch64 aarch64 aarch64 GNU/Linux