Hi!
> > velocity_suspend() seems to be at fault.
>
> (gdb) l *(velocity_suspend+0x37)
> 0xc0244665 is in velocity_suspend (drivers/net/via-velocity.c:3399).
> 3394 if(!netif_running(vptr->dev))
> 3395 return 0;
> 3396
> 3397 netif_device_detach(vptr->dev);
> 3398
> 3399 spin_lock_irqsave(&vptr->lock, flags);
> 3400 pci_save_state(pdev);
> 3401 #ifdef ETHTOOL_GWOL
> 3402 if (vptr->flags & VELOCITY_FLAGS_WOL_ENABLED) {
> 3403 velocity_get_ip(vptr);
> (gdb)
> 3404 velocity_save_context(vptr, &vptr->context);
> 3405 velocity_shutdown(vptr);
> 3406 velocity_set_wol(vptr);
> 3407 pci_enable_wake(pdev, PCI_D3hot, 1);
> 3408 pci_set_power_state(pdev, PCI_D3hot);
> 3409 } else {
> 3410 velocity_save_context(vptr, &vptr->context);
> 3411 velocity_shutdown(vptr);
> 3412 pci_disable_device(pdev);
> 3413 pci_set_power_state(pdev, pci_choose_state(pdev,
> state));
> (gdb)
> 3414 }
> 3415 #else
> 3416 pci_set_power_state(pdev, pci_choose_state(pdev, state));
> 3417 #endif
> 3418 spin_unlock_irqrestore(&vptr->lock, flags);
> 3419 return 0;
> 3420 }
>
> So velocity_suspend calls spin_lock_irqsave, and then pci_set_power_state
> which msleep()s. Is that the root problem here? (I've added Ingo & Peter to
> the CC list since they may have some comments on the scheduler/lockdep parts
> of the trace).
Looks like velocity is broken. Can you try to unload it before sleep
to see if the rest of suspend works for you?
--
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(cesky, pictures)
http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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