Re: 2.6.31.4: Intel P55 Chipset BUG [usbhid-raw/devices/broken?] [tested 3 different UPS']

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Sat, 31 Oct 2009 19:43:38 -0400 (EDT)
Justin Piszcz <jpiszcz@xxxxxxxxxxxxxxx> wrote:
> >> Problem appears to be the Intel P55KG / USB Chipset in the way
> >> that it handles usbhid-raw devices as CD/USB sticks/kbd/mouse/etc
> >> do not appear to be affected.
> >>
> >> So far all other USB devices work fine, with the exception of
> >> UPS', I have tested two APC 1500VA (one an RS the other an XS), in
> >> addition I also have a 'BELKIN 1200VA UPS with AVR' from a long
> >> time ago, the same problem occurs.
> >
> > ...
> >
> >> A bit frustrated, I popped in a PCI card with 4 external USBs, and
> >> now no more errors:


just as a wild guess;
does it go away if you disable CONFIG_USB_SUSPEND ?

also, google suggests that your bios may not have c-states enabled;
if so, enabling those in the bios might also be a good idea

-- 
Arjan van de Ven 	Intel Open Source Technology
CentreCONFIG_USB_SUSPEND For development, discussion and tips for power
savings,visit http://www.lesswatts.org
--
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

[Index of Archives]     [Linux Media]     [Linux Input]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Old Linux USB Devel Archive]

  Powered by Linux