From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: Re: about the patch: persistent grant maps for xen blk drivers Date: Wed, 17 Oct 2012 14:28:15 -0400 Message-ID: <20121017182815.GB25845@phenom.dumpdata.com> References: <6f0a356f.934c.13a62ccac9a.Coremail.liuxiaolei1124@163.com> <20121015131930.GC4000@phenom.dumpdata.com> <77e737b0.1e761.13a67dacdbc.Coremail.liuxiaolei1124@163.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <77e737b0.1e761.13a67dacdbc.Coremail.liuxiaolei1124@163.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: liuxiaolei1124 , roger.pau@citrix.com Cc: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org On Tue, Oct 16, 2012 at 12:35:23PM +0800, liuxiaolei1124 wrote: > > > > > > > > > > At 2012-10-15 21:19:30,"Konrad Rzeszutek Wilk" wrote: > >On Mon, Oct 15, 2012 at 01:01:51PM +0800, liuxiaolei1124 wrote: > >> Dear konrad: > >> i have seen you put the patch "persisten grant maps for xen blk drivers" into you kernel, then dom0 crash .(https://lkml.org/lkml/2012/9/21/388 )my dom0 kernel is 2.6.32.36-0.5, and i put this patch in my kernel, there is a bug too, and the stack is much like yours. And i found a strange phenomenon. when i add a printk log such as "printk ("enter func") " in blkif_completion or other function in xen-blkfront.c, guest run well. But after i remove this printk log, guest crash when i start. > > > > > >Hey. Roger posted a follow up patch that has this fixed. You should > >look at that. > sorry, but i can't find the patch Roger posted, could you show me the link of the patch? thank you. Roger, could you repost them please? > Best wishes. > eric.liu