From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: Re: Re: [GIT PULL] pv/fbfront Date: Tue, 2 Mar 2010 16:56:47 -0500 Message-ID: <20100302215647.GB29262@phenom.dumpdata.com> References: <20100302030113.GA881@phenom.dumpdata.com> <4B8D6EF7.8090309@goop.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <4B8D6EF7.8090309@goop.org> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Jeremy Fitzhardinge Cc: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org On Tue, Mar 02, 2010 at 12:03:03PM -0800, Jeremy Fitzhardinge wrote: > On 03/01/2010 07:01 PM, Konrad Rzeszutek Wilk wrote: >> Hey Jeremy, >> >> Please pull from: >> >> git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen.git pv/fbfront >> >> It has fixes that made it in v2.6.33 for the Xen Frame buffer: >> >> xen pvfb: Inhibit VM_IO flag to be set on vmalloc-ed framebuffers. >> fb-defio: Inhibit VM_IO flag to be set on vmalloc-ed framebuffers. >> fb-defio: If FBINFO_VIRTFB is defined, do not set VM_IO flag. >> >> drivers/video/broadsheetfb.c | 2 +- >> drivers/video/fb_defio.c | 4 +++- >> drivers/video/hecubafb.c | 2 +- >> drivers/video/metronomefb.c | 2 +- >> drivers/video/xen-fbfront.c | 2 +- >> include/linux/fb.h | 1 + >> 6 files changed, 8 insertions(+), 5 deletions(-) >> >> Or perhaps we should ask Greg KH to put those fixes on his stable tree >> and then you would merge them from him? >> > > I've merged it anyway. I'm not sure they're stable material because the > bug they fix only manifests when there's dom0 support in the kernel, I > think. Does plain 2.6.32 show problems with pvfb? No. But xen/stable does. Without those patches virgin xen/stable boots, but on Dom0 console I see: (XEN) mm.c:859:d1008 Error getting mfn 1c1f5 (pfn 5555555555555555) from L1 entry 800000001c1f5467 for l1e_owner=1008, pg_owner=3273 these forever. > > BTW, I can't get absolute (tablet) mode working with pvfb any more. > Have you noticed that? Noted. Haven't played with that - I just boot up tiny guests (20MB or so) that can simple stuff. I will look in this.