Public bug reported:
use rufus to create a 10 GB persistence pen drive(San Disk Ultra Fit).
then boot into it(don't press anything at selection menu), and open
terminal.
enter 'lspci' or 'sudo lspci' in terminal. wait a few minutes.
screen goes black. then a few messages appear. then xubuntu shuts down.
this was reproducible, so I tried it a few times to write down the messages.
couldn't get a single entire message, so here's a few examples gathered that
way.
```
xorg[2551]: failed to idle channel 2 [Xorg[2551]]
nouveau 0000:01:00.0: tmr: stalled at ffff
```
```
xorg[2536]: failed to idle channel 2 [Xorg[2536]]
nouveau 0000:01:00.0: tmr: stalled at ffff
```
the system is 'MSI GL63 8RE 455IN', nothing exotic.
** Affects: ubiquity (Ubuntu)
Importance: Undecided
Status: New
** Description changed:
use rufus to create a 10 GB persistence pen drive(San Disk Ultra Fit).
- then boot into it(don't press anything at selection menu)
+ then boot into it(don't press anything at selection menu), and open
+ terminal
** Description changed:
use rufus to create a 10 GB persistence pen drive(San Disk Ultra Fit).
then boot into it(don't press anything at selection menu), and open
- terminal
+ terminal.
+
+ enter 'lspci' or 'sudo lspci' in terminal. wait a few minutes.
+
+ screen goes black. then a few messages appear. then xubuntu shuts down.
** Description changed:
use rufus to create a 10 GB persistence pen drive(San Disk Ultra Fit).
then boot into it(don't press anything at selection menu), and open
terminal.
enter 'lspci' or 'sudo lspci' in terminal. wait a few minutes.
screen goes black. then a few messages appear. then xubuntu shuts down.
+
+
+ this was reproducible, so I tried it a few times to write down the messages.
couldn't get a single entire message, so here's a few examples gathered that
way.
+
+ ```
+ xorg[2551]: failed to idle channel 2 [Xorg[2551]]
+ nouveau 0000:01:00.0: tmr: stalled at ffff
+ ```
+
+ ```
+ xorg[2536]: failed to idle channel 2 [Xorg[2536]]
+ nouveau 0000:01:00.0: tmr: stalled at ffff
+ ```
+
+ the system is 'MSI GL63 8RE 455IN', nothing exotic.
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https://bugs.launchpad.net/bugs/1854031
Title:
reproducible shutdown on Xubuntu 19.10 live session
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