Failed to wake device (9984)

[Ben Greear]

On 09/14/2017 05:11 PM, Adrian Chadd wrote:
>
>
> On 14 September 2017 at 17:08, Ben Greear <greearb at candelatech.com <mailto:greearb at candelatech.com>> wrote:
>
>     This is with our hacked 4.9 kernel, hacked firmware, and hacked driver (yah me!).
>
>     Sometimes on reboots, in at least some systems, the device is not woken up correctly,
>     and of course it never recovers.
>
>     Any idea if there is some way to retry this a few times to see if the device
>     can be recovered?
>
>
> There were always weird cold reset races that necessitated a PCI bus reset of the device. :( can you even see the device? do any of the registers work?

Can the cold reset be done on generic x86-64 hardware?

And, it shows up enough that the system probes it, at least.  I guess no
infrastructure to speak of set up for this thing, so not sure how to
probe any registers.

Thanks,
Ben

>
>
>
> -adrian
>
>
>     1177 Sep 14 17:00:09 ct524 kernel: ath10k driver, optimized for CT firmware, probing pci device: 0x46.
>     1178 Sep 14 17:00:09 ct524 systemd[1]: Reached target Swap.
>     1179 Sep 14 17:00:09 ct524 kernel: ath10k_pci 0000:04:00.0: failed to wake up device : -110
>     1180 Sep 14 17:00:09 ct524 kernel: ath10k_pci: probe of 0000:04:00.0 failed with error -110
>
>
>     Thanks,
>     Ben
>     --
>     Ben Greear <greearb at candelatech.com <mailto:greearb at candelatech.com>>
>     Candela Technologies Inc  http://www.candelatech.com
>
>
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>
>


-- 
Ben Greear <greearb at candelatech.com>
Candela Technologies Inc  http://www.candelatech.com