From: oliver.graute@gmail.com (Oliver Graute)
To: kernelnewbies@lists.kernelnewbies.org
Subject: kgdb debug with ttyUSB0 instead of ttyS0
Date: Sat, 29 Apr 2017 13:51:54 +0200 [thread overview]
Message-ID: <59047e5e.ab89500a.a0aa4.59b7@mx.google.com> (raw)
In-Reply-To: <20170426124919.GA12061@kroah.com>
On 26/04/17, Greg KH wrote:
> Why do you need to use a notebook where Linux works already for kgdb?
> That's traditionally only used to bring up new hardware platforms.
I just used a old notebook as target to learn how-to debug with kgdb.
inspired by the debugging Chapter 4 in the LDD3 Book.
> Also, there is USB serial debugging cables as there is a special mode in
> the USB 2 and 3 controllers that can be enabled to handle serial
> messages without interrupts for console/printk early messages that
> people use. The cables are not cheap to enable this, but worth it if
> you have to debug this type of target system.
can you point us to such a cable?
Best Regards,
Oliver
prev parent reply other threads:[~2017-04-29 11:51 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-25 21:11 kgdb debug with ttyUSB0 instead of ttyS0 Oliver Graute
2017-04-25 22:02 ` 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 [this message]
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