Re: Suspend problems in 2.6.31-rc6

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Monday 17 August 2009, Alan Stern wrote:
> Rafael:

Hi,

> I just tried testing system suspend under vanilla 2.6.31-rc6.  I booted 
> with no_console_suspend and init=/bin/bash, then did:
> 
> 	cd /sys/power
> 	echo devices >pm_test
> 	echo mem >state
> 
> After the usual messages about freezing tasks, suspending devices, and
> the 5-second debugging delay, nothing happened.  The system did not
> restart.  It wasn't dead (it responded to Alt-SysRq key combinations)  
> but it wasn't working.  This was on an x86-32 machine.
> 
> It doesn't appear to be a recent regression because 2.6.30 behaves the
> same way.
> 
> With the gregkh-all-2.6.31-rc6 patch set, things are even worse.  After 
> switching to the new VT, nothing appears on the screen -- not even the 
> messages about freezing tasks.  I suspect there's something wrong with 
> the new TTY changes but have not tried to track it down.

I wonder where exactly it hangs.

Can you rebuild the kernel with CONFIG_PM_VERBOSE set and
repeat the test with 'echo 8 > /proc/sys/kernel/printk' before the last
command?

Rafael
_______________________________________________
linux-pm mailing list
linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx
https://lists.linux-foundation.org/mailman/listinfo/linux-pm

[Index of Archives]     [Linux ACPI]     [Netdev]     [Ethernet Bridging]     [Linux Wireless]     [CPU Freq]     [Kernel Newbies]     [Fedora Kernel]     [Security]     [Linux for Hams]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux RAID]     [Linux Admin]     [Samba]

  Powered by Linux