From: Paolo Bonzini <pbonzini@redhat.com>
To: Roman Mamedov <rm@romanrm.net>, bo.li.liu@oracle.com
Cc: linux-btrfs@vger.kernel.org, kvm@vger.kernel.org
Subject: Re: Kernel 4.4.0 KVM guest on Btrfs locks up on snapshotting
Date: Wed, 20 Jan 2016 12:34:02 +0100 [thread overview]
Message-ID: <569F70AA.2030006@redhat.com> (raw)
In-Reply-To: <20160120100852.470479a6@natsu>
On 20/01/2016 06:08, Roman Mamedov wrote:
> I don't get any ENOSPC errors on the host, also it doesn't seem to
> be a slowdown caused by disk I/O searching for free space, just a
> complete lock-up: I monitor the guest with 'ping', and when it
> happens, the ping responses stop immediately and do not return,
> also there is no reaction to any keypress in the KVM VNC window.
Can you go to the QEMU monitor (Ctrl-Alt-F2 typically, or just add
"-monitor stdio" to the QEMU command line) and type "info status"?
Paolo
next prev parent reply other threads:[~2016-01-20 11:34 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-19 22:02 Kernel 4.4.0 KVM guest on Btrfs locks up on snapshotting Roman Mamedov
2016-01-19 22:18 ` Paolo Bonzini
2016-01-19 23:03 ` Roman Mamedov
2016-01-20 8:28 ` Paolo Bonzini
2016-01-20 13:58 ` Roman Mamedov
2016-01-20 17:28 ` Paolo Bonzini
2016-01-20 18:46 ` Roman Mamedov
2016-01-20 20:38 ` Paolo Bonzini
2016-01-20 0:19 ` Liu Bo
2016-01-20 5:08 ` Roman Mamedov
2016-01-20 11:34 ` Paolo Bonzini [this message]
2016-01-20 15:08 ` Roman Mamedov
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