From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ozlabs.org (bilbo.ozlabs.org [103.22.144.67]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3zh1nF6JHNzF1FK for ; Wed, 14 Feb 2018 12:20:49 +1100 (AEDT) Received: from ozlabs.org (bilbo.ozlabs.org [103.22.144.67]) by bilbo.ozlabs.org (Postfix) with ESMTP id 3zh1nF5R1rz8w72 for ; Wed, 14 Feb 2018 12:20:49 +1100 (AEDT) Received: from mail-pg0-x22c.google.com (mail-pg0-x22c.google.com [IPv6:2607:f8b0:400e:c05::22c]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3zh1nF0S0Hz9t5R for ; Wed, 14 Feb 2018 12:20:48 +1100 (AEDT) Received: by mail-pg0-x22c.google.com with SMTP id y8so1255568pgr.9 for ; Tue, 13 Feb 2018 17:20:48 -0800 (PST) Message-ID: <1518571241.9595.4.camel@gmail.com> Subject: 4.16-rc1 virtual machine crash on boot From: Cyril Bur To: "linuxppc-dev@ozlabs.org" , Nathan Fontenot , Michael Ellerman Date: Wed, 14 Feb 2018 12:20:41 +1100 Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Hello all, I'm seeing this crash trying to boot a KVM virtual machine. This kernel was compiled with pseries_le_defconfig and run using the following qemu commandline: qemu-system-ppc64 -enable-kvm -cpu POWER8 -smp 4 -m 4G -M pseries -nographic -vga none -drive file=vm.raw,if=virtio,format=raw -drive file=mkvmconf2xeO,if=virtio,format=raw -netdev type=user,id=net0 -device virtio-net-pci,netdev=net0 -kernel vmlinux_tscr -append 'root=/dev/vdb1 rw cloud-init=disabled' qemu-system-ppc64 --version QEMU emulator version 2.5.0 (Debian 1:2.5+dfsg-5ubuntu10.16), Copyright (c) 2003-2008 Fabrice Bellard Key type dns_resolver registered Unable to handle kernel paging request for data at address 0x00000010 Faulting instruction address: 0xc0000000018f2bbc Oops: Kernel access of bad area, sig: 11 [#1] LE SMP NR_CPUS=2048 NUMA pSeries CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.16.0-rc1v4.16-rc1 #8 NIP: c0000000018f2bbc LR: c0000000018f2bb4 CTR: 0000000000000000 REGS: c0000000fea838d0 TRAP: 0380 Not tainted (4.16.0-rc1v4.16-rc1) MSR: 8000000002009033 CR: 84000248 XER: 20000000 CFAR: c0000000019591a0 SOFTE: 0 GPR00: c0000000018f2bb4 c0000000fea83b50 c000000001bd8400 0000000000000000 GPR04: c0000000fea83b70 0000000000000000 000000000000002f 0000000000000022 GPR08: 0000000000000000 c0000000022a3e90 0000000000000000 0000000000000220 GPR12: 0000000000000000 c00000000fb40980 c00000000000d698 0000000000000000 GPR16: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 GPR20: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 GPR24: 0000000000000000 c0000000018b9248 c0000000018e36d8 c0000000019738a8 GPR28: 0000000000000007 c0000000fffffc68 c0000000fea83bf0 0000000000000010 NIP [c0000000018f2bbc] read_drconf_v1_cell+0x50/0x9c LR [c0000000018f2bb4] read_drconf_v1_cell+0x48/0x9c Call Trace: [c0000000fea83b50] [c0000000018f2bb4] read_drconf_v1_cell+0x48/0x9c (unreliable) [c0000000fea83b90] [c0000000018f305c] drmem_init+0x13c/0x2ec [c0000000fea83c40] [c0000000018e4288] do_one_initcall+0xdc/0x1ac [c0000000fea83d00] [c0000000018e45d4] kernel_init_freeable+0x27c/0x358 [c0000000fea83dc0] [c00000000000d6bc] kernel_init+0x2c/0x160 [c0000000fea83e30] [c00000000000bc20] ret_from_kernel_thread+0x5c/0xbc Instruction dump: 7c7f1b78 60000000 60000000 7c240b78 3d22ffdc 3929f0a4 e95e0000 e8690002 f9440021 4806657d 60000000 e9210020 39090004 39490010 f9010020 ---[ end trace bd9f49f482d30e03 ]--- Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b WARNING: CPU: 1 PID: 1 at drivers/tty/vt/vt.c:3883 do_unblank_screen+0x1f0/0x270 CPU: 1 PID: 1 Comm: swapper/0 Tainted: G D 4.16.0- rc1v4.16-rc1 #8 NIP: c0000000009aa800 LR: c0000000009aa63c CTR: c00000000148f5f0 REGS: c0000000fea832c0 TRAP: 0700 Tainted: G D (4.16.0-rc1v4.16-rc1) MSR: 8000000002029033 CR: 28002222 XER: 20000000 CFAR: c0000000009aa658 SOFTE: 1 GPR00: c0000000009aa63c c0000000fea83540 c000000001bd8400 0000000000000000 GPR04: 0000000000000001 c0000000fb0c200e 0000000000001dd7 c0000000fea834d0 GPR08: 00000000fe430000 0000000000000000 0000000000000000 0000000000000001 GPR12: 0000000028002428 c00000000fb40980 c00000000000d698 0000000000000000 GPR16: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 GPR20: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 GPR24: c0000000fea40000 c0000000feadf910 c000000001a4a7a8 c000000001cc4ea0 GPR28: c00000000173f4f0 c000000001cc4ec8 0000000000000000 0000000000000000 NIP [c0000000009aa800] do_unblank_screen+0x1f0/0x270 LR [c0000000009aa63c] do_unblank_screen+0x2c/0x270 Call Trace: [c0000000fea83540] [c0000000009aa63c] do_unblank_screen+0x2c/0x270 (unreliable) [c0000000fea835b0] [c0000000008a2a70] bust_spinlocks+0x40/0x80 [c0000000fea835d0] [c0000000000da90c] panic+0x1b8/0x32c [c0000000fea83670] [c0000000000e1bd4] do_exit+0xcb4/0xcc0 [c0000000fea83730] [c0000000000275fc] die+0x29c/0x450 [c0000000fea837c0] [c000000000053f88] bad_page_fault+0xe8/0x160 [c0000000fea83830] [c000000000028a90] slb_miss_bad_addr+0x40/0x90 [c0000000fea83860] [c000000000008b08] bad_addr_slb+0x158/0x160 --- interrupt: 380 at read_drconf_v1_cell+0x50/0x9c LR = read_drconf_v1_cell+0x48/0x9c [c0000000fea83b90] [c0000000018f305c] drmem_init+0x13c/0x2ec [c0000000fea83c40] [c0000000018e4288] do_one_initcall+0xdc/0x1ac [c0000000fea83d00] [c0000000018e45d4] kernel_init_freeable+0x27c/0x358 [c0000000fea83dc0] [c00000000000d6bc] kernel_init+0x2c/0x160 [c0000000fea83e30] [c00000000000bc20] ret_from_kernel_thread+0x5c/0xbc Instruction dump: 3c62ffbf 38840001 7c8407b4 38639ca8 4b7ae0ed 60000000 38210070 e8010010 ebc1fff0 ebe1fff8 7c0803a6 4e800020 <0fe00000> 4bfffe58 60000000 60420000 ---[ end trace bd9f49f482d30e04 ]--- Rebooting in 10 seconds..