Paul Fulghum <paulkf@microgate.com> wrote:
>
> In the process of eliminating kernel options to isolate
> the problem, eliminating USB completely appears to fix it.
>
> One machine (server) was using usb-uhci and
> the other (laptop) was using usb-ohci.
>
> So it looks like something with USB in 2.5.68-bk11
ah, that helps.
This code was added to wakeup_hc(). It is called from uhci_irq():
+ /* Global resume for 20ms */
+ outw(USBCMD_FGR | USBCMD_EGSM, io_addr + USBCMD);
+ wait_ms(20);
The changelog just says "Minor patch for uhci-hcd.c"
Can you delete the wait_ms() and see if that is our culprit?
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This archive was generated by hypermail 2b29 : Thu May 15 2003 - 22:00:32 EST