https://bugzilla.kernel.org/show_bug.cgi?id=61031
Bug ID: 61031
Summary: Resume fails second time for Chromebook Pixel
Product: ACPI
Version: 2.5
Kernel Version: 3.11.0-031100-generic
Hardware: x86-64
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Power-Sleep-Wake
Assignee: [email protected]
Reporter: [email protected]
Regression: No
Created attachment 107691
--> https://bugzilla.kernel.org/attachment.cgi?id=107691&action=edit
dmesg output after 2nd (failed) resume
First suspend/resume works, second resume always goes straight to the "Chromeos
unverified os warning" screen (which is normal for regular boot).
Tested with Xubuntu 12.10 and 13.10 alpha 2 live boot disks, and also with a
fresh install and latest mainline kernel.
Debugging instructions from https://wiki.ubuntu.com/DebuggingKernelSuspend
yield:
[ 0.774083] Magic number: 0:967:362
[ 0.774087] hash matches /home/apw/COD/linux/drivers/base/power/main.c:643
And /proc/apci/wakeup (doesn't change after first suspend):
Device S-state Status Sysfs node
LID0 S4 *enabled
TPAD S3 *enabled pnp:00:00
TSCR S3 *enabled pnp:00:01
HDEF S4 *disabled pci:0000:00:1b.0
EHC1 S4 *enabled pci:0000:00:1d.0
EHC2 S4 *enabled pci:0000:00:1a.0
Now there are 3 peculiarities:
1) When booting with "no_console_suspend", after the second (failed) resume, it
quickly displays the previous console output (with my pm-suspend command) right
after the chromeos warning but right before regular booting.
2) The keyboard backlight is not restored with the first resume.
3) After 1st resume, the console displays twice:
1-1.2: string descriptor 0 read error: -22
I don't have external USB devices connected, but the internal ones are:
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 005: ID 0489:e057 Foxconn / Hon Hai
Bus 001 Device 003: ID 2232:1033
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Thanks!
Willem
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