Re: 2.6.10-rc2 pbook oops on resume

[Andrew Morton]

Soeren Sonnenburg <kernel@xxxxxx> wrote:
>
> machine comes up ok, but I see this oops in dmesg... Any ideas ?

That would be due to this code in ohci_pci_resume():

#ifdef CONFIG_PMAC_PBOOK
		if (_machine == _MACH_Pmac)
			enable_irq (to_pci_dev(hcd->self.controller)->irq);
#endif

enabling an already-enabled IRQ.

I think Ben plays in this area?

> Soeren
> 
> hda: Set PIO timing for mode 0, reg: 0x0c50032b
> eth0: suspending, WakeOnLan disabled
> radeonfb: suspending to state: 3...
> agpgart: Putting AGP V2 device at 0000:00:0b.0 into 0x mode
> agpgart: Putting AGP V2 device at 0000:00:10.0 into 0x mode
> radeonfb: switching to D2 state...
> cpufreq: resume failed to assert current frequency is what timing core
> thinks it is.
> radeonfb: switching to D0 state...
> radeonfb: resumed !
> Badness in enable_irq at kernel/irq/manage.c:106
> Call trace:
>  [c0007570] dump_stack+0x18/0x28
>  [c000536c] check_bug_trap+0xb4/0xf0
>  [c0005538] ProgramCheckException+0x190/0x1c0
>  [c0004954] ret_from_except_full+0x0/0x4c
>  [c003cd70] enable_irq+0xa0/0xa8
>  [c02813e8] ohci_pci_resume+0xbc/0xd4
>  [c0277ee0] usb_hcd_pci_resume+0xb0/0x114
>  [c01c9fbc] pci_device_resume+0x4c/0x50
>  [c0224d2c] resume_device+0x44/0x4c
>  [c0224e64] dpm_resume+0x130/0x148
>  [c0224eb4] device_resume+0x38/0x78
>  [c04b1be4] 0xc04b1be4
>  [c04b20cc] 0xc04b20cc
>  [c04b2930] 0xc04b2930
>  [c0078e34] sys_ioctl+0x100/0x318
> Badness in enable_irq at kernel/irq/manage.c:106
> Call trace:
>  [c0007570] dump_stack+0x18/0x28
>  [c000536c] check_bug_trap+0xb4/0xf0
>  [c0005538] ProgramCheckException+0x190/0x1c0
>  [c0004954] ret_from_except_full+0x0/0x4c
>  [c003cd70] enable_irq+0xa0/0xa8
>  [c02813e8] ohci_pci_resume+0xbc/0xd4
>  [c0277ee0] usb_hcd_pci_resume+0xb0/0x114
>  [c01c9fbc] pci_device_resume+0x4c/0x50
>  [c0224d2c] resume_device+0x44/0x4c
>  [c0224e64] dpm_resume+0x130/0x148
>  [c0224eb4] device_resume+0x38/0x78
>  [c04b1be4] 0xc04b1be4
>  [c04b20cc] 0xc04b20cc
>  [c04b2930] 0xc04b2930
>  [c0078e34] sys_ioctl+0x100/0x318
> 
> -- 
> Sometimes, there's a moment as you're waking, when you become aware of
> the real world around you, but you're still dreaming.
> 
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