This looks to already be fixed in Karmic.
ogasaw...@emiko:~/ubuntu-karmic$ git show
f1632df36b9467b75b7abfd2799aef67ec74a60a
commit f1632df36b9467b75b7abfd2799aef67ec74a60a
Author: Greg Kroah-Hartman <[email protected]>
Date: Tue Dec 16 13:26:07 2008 -0800
USB: option: increase outgoing buffer size and number
This should speed up the option driver's upload speed quite a bit. It has b
Cc: Roland Wolters <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 4c9497d..5ed1834 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -522,9 +522,9 @@ static int debug;
/* per port private data */
#define N_IN_URB 4
-#define N_OUT_URB 1
+#define N_OUT_URB 4
#define IN_BUFLEN 4096
-#define OUT_BUFLEN 128
+#define OUT_BUFLEN 4096
struct option_port_private {
/* Input endpoints and buffer for this port */
** Changed in: linux (Ubuntu)
Status: New => Fix Released
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Slow UMTS/3G upload rate
https://bugs.launchpad.net/bugs/304025
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