From: oliver.graute@gmail.com (Oliver Graute)
To: kernelnewbies@lists.kernelnewbies.org
Subject: kgdb debug with ttyUSB0 instead of ttyS0
Date: Tue, 25 Apr 2017 23:11:38 +0200 [thread overview]
Message-ID: <20170425211138.GA3230@ripley> (raw)
Hello list,
i'am using a null modem cable with two usb to serial converts on both
ends between my develop and my target machine. The connection is fine.
On both machines the serial interface is /dev/ttyUSB0 for this connection.
On the target machine I try to enable kgdboc
echo ttyUSB0 > /sys/module/kgdboc/parameters/kgdboc
but only got:
echo write error: No such device
if I try:
echo ttyS0 > /sys/module/kgdboc/parameters/kgdboc
is not complaining. Some ideas why ttyUSB0 can't be used with kgdb?
Best regards,
Oliver
next reply other threads:[~2017-04-25 21:11 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-25 21:11 Oliver Graute [this message]
2017-04-25 22:02 ` kgdb debug with ttyUSB0 instead of ttyS0 Mandeep Sandhu
2017-04-26 4:37 ` Greg KH
2017-04-26 11:23 ` Oliver Graute
2017-04-26 12:49 ` Greg KH
2017-04-26 21:11 ` Joe Smith
2017-04-29 11:51 ` Oliver Graute
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