From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: Re: crash e100 amd64 >=4GB RAM Date: Thu, 27 May 2010 11:29:00 -0400 Message-ID: <20100527152900.GB4342@phenom.dumpdata.com> References: <178a7c8c6f1dbc6bc3dc1dd17f63a8fc.squirrel@webmail.tu-dortmund.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <178a7c8c6f1dbc6bc3dc1dd17f63a8fc.squirrel@webmail.tu-dortmund.de> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Daniel Schmitt Cc: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org On Wed, May 26, 2010 at 10:28:05PM +0200, Daniel Schmitt wrote: > Hello list, > > I'm using gentoo Linux with xen 3.4.1 and linux kernel 2.6.30 fine till > now where I need more RAM. I used 2GB and now I want to use 4GB. > But upping eth0 (4-port e100 Quad Port Device by Compaq) crashed the kernel. > I tried xen 4.0.0 with linux kernel 2.6.32, same error. > Using swiotlb=force or swiotlb=128,force or iommu=off did not succeed even. > The board has a tg3 gigabit NIC, too. Upping this device does not crash > the kernel. > It must have something to do with e100 driver. > > Can anyone help? Yes. Please follow these steps: http://wiki.xensource.com/xenwiki/XenParavirtOpsHelp > > Here is some crash information: > ------------------------ > kernel BUG at lib/swiotlb-xen.c:454! > [] e100_rx_alloc_skb+0x190/0x230 > ... > RIP [] swiotlb_sync_single_for_device+0x96/0xe0 > Segmentation fault > ------------------------ > > Thanks for your help, > Daniel > > > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xensource.com > http://lists.xensource.com/xen-devel