Re: Continuous stream of small bulk transfers hangs on OHCI-based system

[Tomas Sokorai <tsokorai@xxxxxxxxx>]

On Mon, Aug 6, 2012 at 12:24 PM, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote:
> any lines in the dmesg log from boot-up about "enabled Compaq ZFMicro
> chipset quirks"?

Nope, no quirks message at all in the boot log.

>
> Are you comfortable writing your own debugging patches, or would you

Quite comfortable, I'll gather more info as soon as I get home from work.

> My guess is that ed_rm_list is non-NULL, but for some reason
> finish_unlinks() doesn't do anything -- in particular, it doesn't clear
> ed_rm_list.  As a result the condition in the "if" statement fails and
> OHCI_INTR_SF doesn't get written to regs->intrdisable.

I'll instrument-ate that area, thanks a lot for your input, Alan.


-- 
Tomas J. Sokorai Sch.
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html