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Message-Id: <200906021520.12487.oliver@neukum.org> Date: Tue, 2 Jun 2009 15:20:11 +0200 From: Oliver Neukum <oliver@...kum.org> To: Pavel Machek <pavel@....cz> Cc: kernel list <linux-kernel@...r.kernel.org>, Greg KH <greg@...ah.com>, "Rafael J. Wysocki" <rjw@...k.pl> Subject: Re: ttyACM0: 2.6.30-rc7 dies on device disconnect, strange echo (regressions) Am Dienstag, 2. Juni 2009 11:19:13 schrieb Pavel Machek: > On Mon 2009-06-01 14:34:56, Oliver Neukum wrote: > > Am Montag, 1. Juni 2009 13:31:51 schrieb Pavel Machek: > > > Steps to reproduce: > > > > > > minicom /dev/ttyACM0 > > > > > > Bug #2: try to interactivelly communicate with the other > > > device. Notice that characters are echoed one character too late. You > > > type "hello", but only "hell" appears. You press "!", "o" appears. > > > > > > Bug #1: while minicom is still connected, pull the USB cable. Machine > > > locks hard. > > > > I can replicate neither bug with 2.6.30-rc7. Can you replicate it with > > anything but openMOKO? > > So AT commands echo properly on USB modem or something? Bad :-(. My cell phone echoes back arbitrary strings. > I'm afraid I do not have another ACM device near me. I guess going > through cdc-acm.c 's history would be relevant? A bisection would indeed be very good. Regards Oliver -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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