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Re: kern/49235: can't send fax anymore with 6.1.4 kernel



The following reply was made to PR kern/49235; it has been noted by GNATS.

From: Ignatios Souvatzis <is%netbsd.org@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: kern/49235: can't send fax anymore with 6.1.4 kernel
Date: Fri, 10 Oct 2014 11:46:07 +0200

 I tested on a NetBSD/amd64 6.1.4_PATCH system, with the same symptoms
 on com0.
 
 Using an usb-serial adapter as ucom0, sending a single fax worked, but
 when having two faxes in the queue, the dialing for the second one 
 happened while the modem was resetting and thus ignored. I suspect that
 in this case sending the single fax worked because the usb stack 
 caches enough of the data...
 
 In both cases, being next to the modem with the laptop, it looked
 to me like flow control didn't work.
 
 Anyway, an arm-specific issue can be ruled out - there's a com
 driver or tty driver regression in netbsd-6.1 (compared to netbsd-5).
 
 	-is
 


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