On Friday 07 July 2006 20:42, Arnaud Quette wrote:
> > Assuming that MxPS means max packet size, it seems to be 8, which is
> > lower than 20, and therefore it looks like the EINVAL error comes from
> > there. Am I going in the right direction this time?
>
> your guess seems right.
> The best to validate your guess is to modify the 20 to 8 in get_interrupt()
> and to recompile nut.
>
> Let me know the result, and I'll fix that for 2.0.4-pre2 next week.
I did the following patch:
--- libhid.c.orig Sat Jul 8 00:31:34 2006
+++ libhid.c Sat Jul 8 00:34:38 2006
@@ -645,7 +645,7 @@
upsdebugx(2, "Waiting for notifications...");
/* needs libusb-0.1.8 to work => use ifdef and autoconf */
- if ((size = libusb_get_interrupt(udev, &buf[0], 20, 5000)) > -1)
+ if ((size = libusb_get_interrupt(udev, &buf[0], 8, 5000)) > -1)
{
dump_hex ("Notification", buf, size);
but I can't interpret the result: instead of -22 error, I got
usbdevfs: usb_submit_urb returned -6
so I gave up and switched to a brand new gentoo server with kernel 2.6. All
seems to be working fine now. No dmesg stuff. Therefore, it definitely looks
like a kernel 2.4 problem (and/or uhci driver).
Anyway, in case you need further testing with the 2.4, please let me know what
you need me to do.
Cheers,
Rodrigo
--
*** Rodrigo Martins de Matos Ventura <[EMAIL PROTECTED]>
*** Web page: http://www.isr.ist.utl.pt/~yoda
*** Teaching Assistant and PhD Student at ISR:
*** Instituto de Sistemas e Robotica, Polo de Lisboa
*** Instituto Superior Tecnico, Lisboa, PORTUGAL
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