Linux-rt-users archive on lore.kernel.org
 help / color / Atom feed
From: Joe Korty <joe.korty@concurrent-rt.com>
To: John Ogness <john.ogness@linutronix.de>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
	linux-rt-users@vger.kernel.org
Subject: Re: [5.4-rt] kdb: push 'bt' command output to console immediately.
Date: Wed, 20 May 2020 11:40:36 -0400
Message-ID: <20200520154036.GA56768@zipoli.concurrent-rt.com> (raw)
In-Reply-To: <87zha2hb96.fsf@vostro.fn.ogness.net>

On Wed, May 20, 2020 at 05:33:25PM +0200, John Ogness wrote:
> On 2020-05-20, Joe Korty <joe.korty@concurrent-rt.com> wrote:
> > [5.4-rt] kdb: push 'bt' command output to console immediately.
> >
> > The rt patch for 5.4 and 5.2 broke kdb slightly.  The kdb
> > 'bt' command now prints a single line then returns to the
> > kdb prompt.  There is no stack trace being shown.
> ...
> >
> > I have attached a small patch that Seems To Work.  It
> > taps earlier into printk than the official tap does.
> 
> On LKML a similar patch was recently posted[0]. It would probably be
> better to follow that (patching vprintk_func and using
> KDB_MSGSRC_PRINTK).
> 
> John Ogness
> 
> [0] https://lkml.kernel.org/r/20200520102233.GC3464@linux-b0ei


Thanks.  It is weird that both this and my bug report were posted
on the same day !

Joe

  reply index

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-20 15:16 Joe Korty
2020-05-20 15:33 ` John Ogness
2020-05-20 15:40   ` Joe Korty [this message]
2020-05-26 16:44   ` Sebastian Andrzej Siewior
2020-05-26 16:55     ` Joe Korty

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20200520154036.GA56768@zipoli.concurrent-rt.com \
    --to=joe.korty@concurrent-rt.com \
    --cc=bigeasy@linutronix.de \
    --cc=john.ogness@linutronix.de \
    --cc=linux-rt-users@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

Linux-rt-users archive on lore.kernel.org

Archives are clonable:
	git clone --mirror https://lore.kernel.org/linux-rt-users/0 linux-rt-users/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 linux-rt-users linux-rt-users/ https://lore.kernel.org/linux-rt-users \
		linux-rt-users@vger.kernel.org
	public-inbox-index linux-rt-users

Example config snippet for mirrors

Newsgroup available over NNTP:
	nntp://nntp.lore.kernel.org/org.kernel.vger.linux-rt-users


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git