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PR/36628 CVS commit: src/sys/arch/alpha/jensenio

The following reply was made to PR port-alpha/36628; it has been noted by GNATS.

From: "Izumi Tsutsui" <>
Subject: PR/36628 CVS commit: src/sys/arch/alpha/jensenio
Date: Sat, 19 Sep 2020 16:54:34 +0000

 Module Name:	src
 Committed By:	tsutsui
 Date:		Sat Sep 19 16:54:34 UTC 2020
 Modified Files:
 	src/sys/arch/alpha/jensenio: com_jensenio.c
 Log Message:
 Possible fix for hangup on Jensen mentioned in PR/36628.
 According to comments in Linux drivers/tty/serial/8250/8250.h,
 the driver has to set OUT1 and OUT2 lines for "some ALPHA"
 otherwise "the machine locks up with endless interrupts."
 Note OUT2 (MCR_IENABLE) is set in MI com_attach_subr()
 so we have to set OUT1 (MCR_DSR) in the MD attachment.
 The information was notified from Miod Vallat.
 To generate a diff of this commit:
 cvs rdiff -u -r1.15 -r1.16 src/sys/arch/alpha/jensenio/com_jensenio.c
 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.

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