https://bugzilla.kernel.org/show_bug.cgi?id=50051
Summary: System reboots instead of resumes after suspend
Product: ACPI
Version: 2.5
Kernel Version: 3.6.3
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Power-Sleep-Wake
AssignedTo: acpi_power-sleep-w...@kernel-bugs.osdl.org
ReportedBy: jad...@gmail.com
Regression: No
After successfully system suspending to RAM, instead of properly resuming the
system reboots. Interesting enough, resume works as expected if I wait for an
hour or so, but if I trigger resume shortly after suspending, it simply reboots
the system after some second of having the power led turned on and then off.
I have tried various workarounds but all have failed. These include
* booting with init=/bin/bash, using s2ram to suspend,
* trying with various (combinations of) kernel parameters, none have had any
effect.
I have tried the /sys/power/pm_test tests and they all work flawlessly.
Using /sys/power/pm_trace has given mixed results. There are either no hash
matches or different every time. Here are 4 results from the last 6 dmesg log
files. The two other did not have any hash matches.
[ 2.295441] Magic number: 4:637:383
[ 2.295450] usb usb1: hash matches
,
[ 2.286817] Magic number: 4:87:333
[ 2.286839] tty tty54: hash matches
,
[ 2.292560] Magic number: 4:49:887
[ 2.292589] pci 0000:00:1f.0: hash matches
,
[ 2.296411] Magic number: 4:84:432
[ 2.296440] xhci_hcd 0000:04:00.0: hash matches
I have had this issue since I got this computer, which was in the end of 2011.
System information:
Laptop model: ASUS U36SD
BIOS version: 206 (newest available while writing this)
Linux version: Linux version 3.6.3-030603-generic (apw@gomeisa) (gcc version
4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #201210211349 SMP Sun Oct 21 17:50:41
UTC 2012
Linux distribution: Ubuntu 12.10, x86_64 variant
Attachments contain more detailed system information.
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