Hi! Thanks for checking this. Could you also check the 2.5.6 kernel? The read_report stuff is completely rewritten there, it might be a bug in the driver, not the hardware that causes this.
If it has the same problem with 2.5.6, then I'm quite sure it's a HW problem and i'll have to add the blacklist to the 2.5.6 version as well. Vojtech On Mon, Mar 11, 2002 at 03:44:17AM -0600, David Tilley wrote: > > Could you as a test in hid-core.c in function hid_init_reports() remove > > the calls to usb_set_idle() and hid_read_report() to see if it helps? > > Those are my primary suspects there ... > > You nailed it. It appears at least three ATEN models die horribly in > GET_REPORT. > > RedHat has a patch in their 2.4.9-31 errata kernel that creates a blacklist > of such devices. The blacklist is then used to conditionally skip the call > to hid_read_report() in hid_init_reports(). The only problem is, their patch > has only a single ATEN model in the list. I added my KVM and everything > works. > > RH's patch also applies cleanly to 2.4.18. I again added my model to the > blacklist and now .18 works too. > > > The original patch is attached, or is available from: > > http://bugzilla.redhat.com/bugzilla/showattachment.cgi?attach_id=44797 > > It turned up under this bug: > > http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=55878 > > > The modified blacklist entries for my CS124U and Matt's 2 port are: > > #define USB_VENDOR_ID_ATEN 0x0557 > #define USB_DEVICE_ID_ATEN_UC100KM 0x2004 > #define USB_DEVICE_ID_ATEN_CS124U 0x2202 > #define USB_DEVICE_ID_ATEN_2PORTKVM 0x2204 > > static struct hid_blacklist hid_blst_noget[] = { > { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_UC100KM }, > { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_CS124U }, > { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_2PORTKVM }, > { 0, 0 } > }; > > > Much thanks to everybody who helped! > > > dvt > -- Vojtech Pavlik SuSE Labs _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-users
