I finally tried moving to test4 (from about halfway between test3 and
test4) last night. I had to drop back, though, because I was unable
to get my acm modem to work.
/proc/devices had the '166 ttyACM' entry in the char section, the
devices existed in /dev as 'c 166 x' for each x in [0..255], but
attempts to open the specials gave Invalid argument errors -- the
same error you get when nothing is connected to that acm special.
Dmesg shows:
##############
drivers/usb/class/cdc-acm.c: need inactive config #2
drivers/usb/class/cdc-acm.c: need inactive config #2
###############
That corresponds to this change in cdc-acm.c:
##############
--- a/drivers/usb/class/cdc-acm.c 2003-08-11 00:41:48 -0400
+++ b/drivers/usb/class/cdc-acm.c 2003-08-30 04:30:57 -0400
@@ -596 +596,8 @@
- usb_set_configuration(dev, cfacm->desc.bConfigurationValue);
+ /* FIXME don't scan every config. it's either correct
+ * when we probe(), or some other task must fix this.
+ */
+ if (dev->actconfig != cfacm) {
+ err("need inactive config #%d",
+ cfacm->desc.bConfigurationValue);
+ return -ENODEV;
+ }
##############
That is part of:
http://linux.bkbits.net:8080/linux-2.5/[EMAIL PROTECTED]
I cannot tell whether the latest patch to cdc-acm.c in the
linuxusb.bkbits.net/usb-2.5 tree is relevant (file revision
1.65 in that tree, 'Another bad audit in drivers/usb/*').
It is the only change since David's change above was made.
I will try reversing that for now; is there a more correct solution?
-JimC
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