[BUG] FL1009: xHCI host not responding to stop endpoint command.

[Arnaud Ebalard]

Hi Willy,

Willy Tarreau <w at 1wt.eu> writes:

>> > I don't know if it should have included FL1009, it was just a guess,
>> > based on the fact that the 0x1000 and 0x1400 devices did need MSI
>> > disabled.  I can attempt to ask the Fresco Logic folks I know, but I'm
>> > not sure if/when I'll get a response back.
>> >
>> > That still doesn't necessarily rule out MSI issues in the Marvell PCI
>> > host controller code.  Can you attach another PCI device with MSI
>> > support under the host and see if it works?
>> 
>> The various Armada-based devices I have are NAS which do not have PCIe
>> slots to plug additional devices (everything is soldered). I don't know
>> which device Thomas used for its tests. Just in case, I also added Willy
>> in CC: who have various boards and may also have done more test with
>> additional PCIe devices and CONFIG_PCI_MSI enabled on 3.13 kernel.
>
> I've been running an intel i350 dual-port NIC (igb driver) supporting
> MSI on the mirabox, and it used to work in 3.10+many of the patches
> coming from the Free-electrons team. Some recent changes to the PCI
> code introduced a regression preventing this driver from correctly
> registering an MSI interrupt, and I did not have enough time to
> investigate it deep enough to fix it. That said, I know how to hack
> it to work again, so if it can be of any use, I can run a test on
> the mirabox (armada370) and on the XPGP board (armadaXP).

Thanks for the proposal, Willy. I guess Thomas can tell better than me
what kind of tests would help ruling out a problem in MSI support and
put the blame on FL chip ;-) Thomas, if you need me to test something on
some of my platforms, do not hesitate.

Cheers,

a+