Machine check on suspend

[Adrian Chadd]

It's getting an interrupt what, after the slot is powered down?

Why's cbb_func_intr passing up an interrupt? :p


-a


On 11 May 2014 16:57, Justin Hibbits <chmeeedalf at gmail.com> wrote:
> Obviously this is a different case than most.  I'm working on
> suspend/resume for PowerPC (PowerBooks, to be precise), and part of
> that involves testing the cardbus.
>
> When suspending, it suspends children first (obviously), followed by
> parents, etc.  In this case, I have a ar5416 card in a cardbus slot.
> The ath0 suspends, followed by cbb0, then a machine check:
>
> Suspending ath0, child of cardbus0
> Suspending cardbus0, child of cbb0
> pci1:1:0:0: Resource still owned, oops. (type=3, rid=16, addr=88000000)
> pci1:1:0:0: Resource still owned, oops. (type=1, rid=0, addr=3a)
>
> fatal kernel trap:
>
>    exception       = 0x200 (machine check)
>    srr0            = 0x5d5530
>    srr1            = 0x149030
>    lr              = 0xd20896f8
>    curthread       = 0x4c6e620
>           pid = 12, comm = irq58: cbb0 ath0
>
> [ thread pid 12 tid 100108 ]
> Stopped at      0x5d5530:       sync
> db> bt
> Tracing pid 12 tid 100108 td 0x4c6e620
> 0xe4770a20: at +0x226530(326cbc)
> 0xe4770a50: at ar5416IsInterruptPending+0x3c(d20ca368)
> 0xe4770a70: at ath_intr+0xf0(d2064ef4)
> 0xe4770ab0: at cbb_func_intr+0x40(d1fd71b4)
> 0xe4770ad0: at +0x2074d4(307c60)
> 0xe4770b00: at +0x209034(3097c0)
> 0xe4770b50: at +0x203e78(304604)
> 0xe4770b80: at +0x4e4b70(5e52fc)
>
> I'm using the projects/pmac_pmu branch, for anyone who may want to test
> (synced with head a couple weeks ago).
>
> Does anything need to be done before actually suspending the devices
> (kill wpa_supplicant, or anything else)?
>
> - Justin
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