From mboxrd@z Thu Jan 1 00:00:00 1970 From: David F Barrera Subject: Creating a domU on x86 crashes dom0 Date: Wed, 24 Aug 2005 08:25:59 -0500 Message-ID: <1124889959.31385.6.camel@dbarrera_tp> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: "List: Xen Developers" List-Id: xen-devel@lists.xenproject.org The x86 build is broken. DomU will not boot on both RHEL 4 and SLES 9, and dom0 crashes. changeset: 6375:603f55eaa690ef8d47e54bdb57e20fb3266d8f56 tag: tip user: kaf24@firebug.cl.cam.ac.uk date: Wed Aug 24 05:48:24 2005 summary: Initialise syscall32 vsyscall page early, as it may be needed On the RHEL 4 box, dom0 did not crash the first time that I attempted to create a domU. The log showed this: Red Hat Enterprise Linux AS release 4 (Nahant) Kernel 2.6.12-xen0 on an i686 lamb5 login: smp_send_stop disable_local_APIC (XEN) DOM0: (file=mm.c, line=2466) PTE entry 11ed5 for address d0865000 doesn't match frame 11ede (XEN) (file=grant_table.c, line=1071) Grant unref rd(1) ld(0) frm(11ed5) flgs(0). Red Hat Enterprise Linux AS release 4 (Nahant) Kernel 2.6.12-xen0 on an i686 lamb5 login: -- On the second attempt to create a domU, dom0 crashed: Red Hat Enterprise Linux AS release 4 (Nahant) Kernel 2.6.12-xen0 on an i686 lamb5 login: (XEN) (file=grant_table.c, line=1152) Bad flags (5) or dom (0). (NB. expected dom 0) (XEN) gnttab_donate: gnttab_prepare_for_transfer fails kernel BUG at drivers/xen/netback/netback.c:349 (net_rx_action)! [] net_rx_action+0x4ac/0x540 [] __br_forward+0x66/0x80 [] br_forward_finish+0x0/0x80 [] br_flood_forward+0x28/0x30 [] __br_forward+0x0/0x80 [] br_handle_frame_finish+0x141/0x160 [] br_nf_pre_routing_finish+0x178/0x420 [] br_handle_frame_finish+0x0/0x160 [] tcp_ack_saw_tstamp+0x21/0x60 [] tcp_clean_rtx_queue+0x41f/0x450 [] recalc_task_prio+0x8c/0x160 [] nf_iterate+0x5d/0x90 [] br_nf_pre_routing_finish+0x0/0x420 [] br_nf_pre_routing_finish+0x0/0x420 [] nf_hook_slow+0x7e/0x140 [] br_nf_pre_routing_finish+0x0/0x420 [] br_handle_frame_finish+0x0/0x160 [] br_nf_pre_routing+0x339/0x4b0 [] br_nf_pre_routing_finish+0x0/0x420 [] nf_iterate+0x5d/0x90 [] br_handle_frame_finish+0x0/0x160 [] br_handle_frame_finish+0x0/0x160 [] nf_hook_slow+0x7e/0x140 [] kfree_skbmem+0x21/0x30 [] ip_rcv+0x86/0x4f0 [] br_handle_frame_finish+0x0/0x160 [] netif_receive_skb+0x20d/0x260 [] process_backlog+0xbb/0x190 [] tasklet_action+0x72/0x120 [] __do_softirq+0x69/0x100 [] do_softirq+0x85/0xa0 [] irq_exit+0x35/0x40 [] do_IRQ+0x22/0x30 [] evtchn_do_upcall+0x66/0xa0 [] hypervisor_callback+0x2c/0x34 [] xen_idle+0x38/0x90 [] cpu_idle+0x35/0x50 [] rest_init+0x23/0x40 [] init+0x0/0x120 [] start_kernel+0x1ba/0x210 [] unknown_bootoption+0x0/0x240 Kernel panic - not syncing: BUG! (XEN) Domain 0 shutdown: rebooting machine. DomU log: [...] lo IP address: 127.0.0.1/8 done eth0 eth0 IP address: 9.3.189.177/24 done Setting up service network . . . . . . . . . . . . . . done. Assertion 'ref != -ENOSPC' failed, line 275, file drivers/xen/blkfront/blkfront.c<1>Unable to handle kernel NULL pointer dereference at virtual address 00000000 printing eip: c0256bec 0d8d8000 -> *pde = 00000000:11e95001 0d8da000 -> *pme = 00000000:00000000 >>From SLES 9 box: ----------------- [...] lo IP address: 127.0.0.1/8 done eth0 eth0 IP address: 9.3.189.205/24 done Setting up service network . . . . . . . . . . . . . . done. Starting syslog servicesend_request: I/O error, dev sda9, sector 984408 Assertion 'ref != -ENOSPC' failed, line 275, file drivers/xen/blkfront/blkfront.c<1>Unable to handle kernel NULL pointer dereference at virtual address 00000000 printing eip: c0252ecc *pde = ma 00000000 pa 55555000 Oops: 0002 [#1] PREEMPT SMP Modules linked in: CPU: 0 EIP: 0061:[] Not tainted VLI EFLAGS: 00010246 (2.6.12-xenU) EIP is at blkif_queue_request+0x22c/0x300 eax: 00000000 ebx: 1f513000 ecx: 00000000 edx: 00000001 esi: 00000000 edi: ffffffe4 ebp: 00000007 esp: cfcc9d90 ds: 007b es: 007b ss: 0069 Process kjournald (pid: 571, threadinfo=cfcc8000 task=c1302a40) Stack: c03001e4 c02feea7 00000113 c030020c 0000002a 0000000e 00000000 c12d5980 -- Regards, David F Barrera Linux Technology Center Systems and Technology Group, IBM "The wisest men follow their own direction. " Euripides