From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: kvm-intel kernel panicing 2.6.22 on T7200 Date: Tue, 10 Jul 2007 14:10:31 +0300 Message-ID: <46936927.2080304@qumranet.com> References: <1181830231.9941.13.camel@linux> <1181831139.13335.14.camel@ghaskins-t60p.haskins.net> <1181833614.6533.2.camel@linux> <1181834264.13335.18.camel@ghaskins-t60p.haskins.net> <1181835974.7023.1.camel@linux> <20070710082642.6c3c8de2@holly> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org To: Jindrich Makovicka Return-path: In-Reply-To: <20070710082642.6c3c8de2@holly> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: kvm.vger.kernel.org Jindrich Makovicka wrote: > On Thu, 14 Jun 2007 17:46:14 +0200 > Magicboiz wrote: > > >> with VNC option, we had better luck: we got an Oops!!: >> >> Jun 14 17:37:35 linux kernel: [ 575.212000] BUG: unable to handle >> kernel NULL pointer dereference at virtual address 00000024 >> > [...] > >> Jun 14 17:37:35 linux kernel: [ 575.212000] EIP is at mmu_free_roots >> +0x54/0x90 [kvm] >> Jun 14 17:37:35 linux kernel: [ 575.212000] eax: 00000000 ebx: >> 00000000 ecx: 07892001 edx: 000f1240 >> Jun 14 17:37:35 linux kernel: [ 575.212000] esi: 00000000 edi: >> d12c10a0 ebp: 60000010 esp: d0861b30 >> Jun 14 17:37:35 linux kernel: [ 575.212000] ds: 007b es: 007b fs: >> 00d8 gs: 0000 ss: 0068 >> Jun 14 17:37:35 linux kernel: [ 575.212000] Process qemu (pid: 7402, >> ti=d0860000 task=d2fb6a40 task.ti=d0860000) >> Jun 14 17:37:35 linux kernel: [ 575.212000] Stack: d12c10a0 d12c10a0 >> 60000011 f92fc271 d12c10a0 f92fc298 d12c10a0 f92f9166 >> Jun 14 17:37:35 linux kernel: [ 575.212000] d12c0000 00000001 >> 000004e6 d12c10a0 d0861c64 d0861c54 d0861c94 f92f929a >> Jun 14 17:37:35 linux kernel: [ 575.212000] d12c10a0 f9307320 >> 00000022 00000022 00000022 f9300f11 d0861c64 d0861c5c >> Jun 14 17:37:35 linux kernel: [ 575.212000] Call Trace: >> Jun 14 17:37:35 linux kernel: [ 575.212000] [] >> destroy_kvm_mmu+0x21/0x40 [kvm] >> > [...] > > I have the same problem, but only with SLUB allocator. SLAB > works ok. > > Strange. Can you add printk()s to mmu_free_roots() to see exactly what is being freed? -- error compiling committee.c: too many arguments to function ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/