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From: John Ogness <>
To: Joe Korty <>
Cc: Sebastian Andrzej Siewior <>,
Subject: Re: [5.4-rt] kdb: push 'bt' command output to console immediately.
Date: Wed, 20 May 2020 17:33:25 +0200
Message-ID: <> (raw)
In-Reply-To: <> (Joe Korty's message of "Wed, 20 May 2020 11:16:14 -0400")

On 2020-05-20, Joe Korty <> 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

John Ogness


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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 [this message]
2020-05-20 15:40   ` Joe Korty
2020-05-26 16:44   ` Sebastian Andrzej Siewior
2020-05-26 16:55     ` Joe Korty

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