From: Michael Ellerman <mpe@ellerman.id.au>
To: "Guilherme G. Piccoli" <gpiccoli@linux.vnet.ibm.com>,
linuxppc-dev@lists.ozlabs.org
Cc: gpiccoli@linux.vnet.ibm.com, paulus@samba.org, npiggin@gmail.com,
xinhui.pan@linux.vnet.ibm.com
Subject: Re: [PATCH 2/3] powerpc/xmon: drop the nobt option from xmon plus minor fixes
Date: Tue, 21 Feb 2017 16:33:52 +1100 [thread overview]
Message-ID: <87k28km7jz.fsf@concordia.ellerman.id.au> (raw)
In-Reply-To: <87poicm8cw.fsf@concordia.ellerman.id.au>
Michael Ellerman <mpe@ellerman.id.au> writes:
> "Guilherme G. Piccoli" <gpiccoli@linux.vnet.ibm.com> writes:
...
>
> Imagine you're debugging a machine and you drop into xmon to check
> something, then drop out again.
>
> Then you go away and leave the box, and it crashes into xmon, but xmon
> doesn't print a backtrace because you've already been in xmon. Usually
> you can just get on the console and hit 't', but sometimes the machine
> crashes so hard that xmon doesn't take input - in which case you now
> have no backtrace. :sadface:
OK I read your patch wrong, the above won't happen.
But I still don't think we need any of the auto back trace suppression.
cheers
next prev parent reply other threads:[~2017-02-21 5:33 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-17 0:17 [PATCH 0/3] powerpc/xmon: improvements and fixes Guilherme G. Piccoli
2017-02-17 0:17 ` [PATCH v2 1/3] powerpc/xmon: Fix an unexpected xmon on/off state change Guilherme G. Piccoli
2017-02-17 0:17 ` [PATCH 2/3] powerpc/xmon: drop the nobt option from xmon plus minor fixes Guilherme G. Piccoli
2017-02-21 5:16 ` Michael Ellerman
2017-02-21 5:33 ` Michael Ellerman [this message]
2017-02-21 13:42 ` Guilherme G. Piccoli
2017-02-21 13:41 ` Guilherme G. Piccoli
2017-02-17 0:17 ` [PATCH v2 3/3] powerpc/xmon: add debugfs entry for xmon Guilherme G. Piccoli
2017-02-21 2:01 ` [PATCH 0/3] powerpc/xmon: improvements and fixes Guilherme G. Piccoli
-- strict thread matches above, loose matches on Subject: below --
2017-02-21 1:58 [PATCH v2 " Guilherme G. Piccoli
2017-02-21 1:58 ` [PATCH 2/3] powerpc/xmon: drop the nobt option from xmon plus minor fixes Guilherme G. Piccoli
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