From: Jan Kiszka <jan.kiszka@web.de>
To: lidong chen <chen.lidong.kernel@gmail.com>
Cc: kvm@vger.kernel.org
Subject: Re: collect some information when qemu-kvm exit
Date: Thu, 23 Jun 2011 12:13:15 +0200 [thread overview]
Message-ID: <4E0311BB.2000206@web.de> (raw)
In-Reply-To: <BANLkTikoUbu7X8buGznVgis+f+zqANRF1w@mail.gmail.com>
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On 2011-06-23 11:05, lidong chen wrote:
> Hi all,
>
> I didn't understand why need block all signal except SIGBUS SIGIPI for
> vcpu thread?
For simplicity reasons: All other expected signals are handled by the
io-thread or other helper threads. Those must never be processed by the
vcpus. So we block everything except the required ones.
> is it safe to register another signal handler?
> if somebody know the reason, please tell me.
>
> and is it worth to do this?
Better configure your host to create a core dump of the dying process.
That contains more information than you could ever collect ad-hoc by
patching qemu itself.
Jan
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next prev parent reply other threads:[~2011-06-23 10:13 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-22 12:27 collect some information when qemu-kvm exit lidong chen
2011-06-23 9:05 ` lidong chen
2011-06-23 10:13 ` Jan Kiszka [this message]
2011-06-23 13:56 ` lidong chen
2011-06-23 14:51 ` Jan Kiszka
2011-06-24 8:24 ` lidong chen
2011-06-24 8:55 ` Jan Kiszka
2011-06-24 8:58 ` Jan Kiszka
2011-06-24 13:26 ` lidong chen
2011-07-02 11:22 ` lidong chen
2011-07-07 1:20 ` lidong chen
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