From: AW <arne_woerner@yahoo.com>
To: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: acm/ttyACM0/cdc_acm does not deliver data
Date: Sat, 8 Oct 2011 16:00:06 -0700 (PDT) [thread overview]
Message-ID: <1318114806.51690.YahooMailNeo@web30305.mail.mud.yahoo.com> (raw)
I tried a vanilla kernel now (built from the fedora SRPM after some help by Piotr H....)...
The command that works on the vanilla kernel (_and_ on the official fc15 kernel) looks to usbmon on the vanilla kernel like this:
http://www.wgboome.org/cmd:P-C,2.6.40.6-0.local.fc15.x86_64.usbmon
(the command "P C" switches receive/send-roles much faster (i guess: less than 1msec) than the command "Z L 0" (I guess 50msec); during that time interrupts r disabled and the ATtiny doesnt care for USB things... *blush* but why did the "old" USB subsystem didnt complain about it? and what about my professional DVB-T USB sticks?)
On the vanilla kernel the command "Z L 0" doesnt work as before:
http://www.wgboome.org/cmd:Z-L-0,2nd-try,2.6.40.6-0.local.fc15.x86_64.usbmon
-arne
next reply other threads:[~2011-10-08 23:06 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-08 23:00 AW [this message]
-- strict thread matches above, loose matches on Subject: below --
2011-11-22 6:50 AW
2011-10-07 8:40 AW
2011-10-07 8:44 ` acm/ttyACM0/cdc_acm does not deliver data AW
2011-10-06 19:19 AW
2011-10-06 19:41 ` Greg KH
2011-10-06 19:51 ` Josh Boyer
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