[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Message-ID: <e0d5308d-c1f8-5f65-93c4-b0a7c904b623@suse.com>
Date: Tue, 18 Jul 2017 10:00:36 +0200
From: Juergen Gross <jgross@...e.com>
To: Wengang Wang <wen.gang.wang@...cle.com>,
xen-devel@...ts.xensource.com, linux-kernel@...r.kernel.org
Cc: junxiao.bi@...cle.com
Subject: Re: [Xen-devel] [PATCH v1] xen/grant-table: log the lack of grants
On 07/07/17 20:23, Wengang Wang wrote:
> log a message when we enter this situation:
> 1) we already allocated the max number of available grants from hypervisor
> and
> 2) we still need more (but the request fails because of 1)).
>
> Sometimes the lack of grants causes IO hangs in xen_blkfront devices.
> Adding this log would help debuging.
>
> Signed-off-by: Wengang Wang <wen.gang.wang@...cle.com>
> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
> Reviewed-by: Junxiao Bi <junxiao.bi@...cle.com>
Committed to xen/tip for-linus-4.13
Thanks,
Juergen
Powered by blists - more mailing lists