Re: [linux-pm] Crash when suspending Lenovo T510 laptop (2.6.39.3)

[Rafael J. Wysocki]

On Friday, August 05, 2011, Alan Stern wrote:
> On Fri, 5 Aug 2011, Rafael J. Wysocki wrote:
> 
> > > You're right, sorry.  System suspend was not involved, so the problem
> > > was triggerend by runtime suspend alone, resulting from unplugging the
> > > Ethernet cable.
> > > 
> > > It looks like the crash started in pci_disable_msi().
> > 
> > OTOH, I'm not sure how pci_legacy_suspend_late() was called.
> > In theory it is only called by the system suspend code and it surely
> > is not called for e1000e.
> 
> The ? indicates that pci_legacy_suspend_late() wasn't necessarily on
> the task's call stack; it may simply have been a leftover pointer from
> some other operation, sitting somewhere in the middle of the stack
> page.

However, Jesper said the crash happend during suspend, so I wonder how
that might be present on the stack while executing runtime PM routines?

Rafael
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