From: David Ahern <dsahern@gmail.com>
To: Dale Swanston <swanston@sedsystems.ca>
Cc: kvm@vger.kernel.org
Subject: Re: setting time in guest with ntpdate results in VM hang
Date: Mon, 27 Aug 2012 13:23:05 -0600 [thread overview]
Message-ID: <503BC919.5020508@gmail.com> (raw)
In-Reply-To: <503BA71C.4000602@sedsystems.ca>
On 8/27/12 10:58 AM, Dale Swanston wrote:
> Good idea. I'll try that.
>
> But are there any tools available to determine what the VM is doing when
> it appears hung? I've looked but haven't found much on debug or
> diagnostics on a running VM. Any links?
If you have the vmlinux, enable the gdbserver stub via Qemu's monitor.
Then use 'gdb vmlinux', connect to the VM 'target remote host:port' and
look at the backtrace.
I have seen something similar using kvm-clock in a guest running 2.6.27.
David
next prev parent reply other threads:[~2012-08-27 19:23 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-24 15:57 setting time in guest with ntpdate results in VM hang Dale Swanston
2012-08-24 19:43 ` Marcelo Tosatti
2012-08-27 16:58 ` Dale Swanston
2012-08-27 19:23 ` David Ahern [this message]
2012-08-27 19:51 ` Marcelo Tosatti
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