From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rusty Russell Subject: Re: lhype on 2.6.20-rc2: Guest didn't handle trap 6 at c071b594 (cr2=00000000,err=0) Date: Thu, 28 Dec 2006 13:23:33 +1100 Message-ID: <1167272613.30506.5.camel@localhost.localdomain> References: <20061227132520.GA32685@outpost.ds9a.nl> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <20061227132520.GA32685@outpost.ds9a.nl> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: virtualization-bounces@lists.osdl.org Errors-To: virtualization-bounces@lists.osdl.org To: bert hubert Cc: virtualization@lists.osdl.org List-Id: virtualization@lists.linuxfoundation.org On Wed, 2006-12-27 at 14:25 +0100, bert hubert wrote: > Hi everybody, > = > Attracted by the puppies, I'm trying to run lhype. The patch applies clea= nly > to 2.6.20-rc2, my .config is in accord with lhype.txt, but when I try to > launch an instance, I get this: > = > $ sudo drivers/lhype/lhype_add 64m 0 vmlinux --tunnet=3D192.168.19.1 --bl= ock=3Dlinux.img root=3D/dev/lhba > lhype_add: Failed to get DMA buffer from 0xb7fff008: No such file or dire= ctory > lhype_add: network: no dma buffer!: No such file or directory > lhype_add: Running guest failed: No such file or directory > = > When I subsequently retry, I get the same, but third and following tries > only give: > = > lhype_add: Running guest failed: No such file or directory > = > $ dmesg | tail > lhype: mapped hypervisor at ffc00000 > (...) > Guest didn't handle trap 6 at c071b594 (cr2=3D00000000,err=3D0) > Guest 0 dead drivers/lhype/init.c:424 Hi Bert! Ah, this is your clue, here: looks like the kernel ran BUG() or otherwise failed at address 0xc071b594... can you send your .config and I can see if I can reproduce? Your System.map should indicate what's at that address, to... I should really try to read out the BUG info in this case; I'll patch something up today (I'm chasing James Morris' initrd bug at the moment). Thanks! Rusty.