Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754788AbYHVQfd (ORCPT ); Fri, 22 Aug 2008 12:35:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751639AbYHVQfZ (ORCPT ); Fri, 22 Aug 2008 12:35:25 -0400 Received: from tomts10.bellnexxia.net ([209.226.175.54]:41454 "EHLO tomts10-srv.bellnexxia.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751557AbYHVQfY (ORCPT ); Fri, 22 Aug 2008 12:35:24 -0400 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ApsEAPqBrkhMRKxB/2dsb2JhbACBZbRvgWg Date: Fri, 22 Aug 2008 12:35:20 -0400 From: Mathieu Desnoyers To: "Luiz Fernando N. Capitulino" Cc: Ingo Molnar , "H. Peter Anvin" , linux-kernel@vger.kernel.org Subject: Re: 2.6.{26.2,27-rc} oops on virtualbox Message-ID: <20080822163520.GA9860@Krystal> References: <20080820162925.75a5e064@doriath.conectiva> <48ADDF4F.2020401@zytor.com> <48AE5FCF.6030103@zytor.com> <20080822065012.GV14110@elte.hu> <20080822113941.147a1db0@doriath.conectiva> <20080822153451.GA8390@Krystal> <20080822132948.57e47076@doriath.conectiva> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Disposition: inline In-Reply-To: <20080822132948.57e47076@doriath.conectiva> X-Editor: vi X-Info: http://krystal.dyndns.org:8080 X-Operating-System: Linux/2.6.21.3-grsec (i686) X-Uptime: 12:34:34 up 78 days, 21:14, 6 users, load average: 1.23, 1.16, 0.85 User-Agent: Mutt/1.5.16 (2007-06-11) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 17002 Lines: 372 * Luiz Fernando N. Capitulino (lcapitulino@mandriva.com.br) wrote: > Em Fri, 22 Aug 2008 11:34:52 -0400 > Mathieu Desnoyers escreveu: > > | * Luiz Fernando N. Capitulino (lcapitulino@mandriva.com.br) wrote: > | > Em Fri, 22 Aug 2008 08:50:12 +0200 > | > Ingo Molnar escreveu: > | > > | > | > | > | * H. Peter Anvin wrote: > | > | > | > | > H. Peter Anvin wrote: > | > | >>> > | > | >>> Does this look like a kernel bug? > | > | >>> > | > | >> > | > | >> No, it looks like a very common virtualizer bug. Does the attached > | > | >> patch work for you? > | > | >> > | > | > > | > | > Also, in addition to this, please try tip:master. There is a patch in > | > | > tip:master which I hope should fix this problem, but the details are > | > | > important. > | > | > | > | access coordinates would be at: > | > | > | > | http://people.redhat.com/mingo/tip.git/README > | > > | > As I already have Linus tree downloaded I have cloned it in > | > the usual way. > | > > | > Got the same results: OOPS in virtualbox but it works on QEMU. > | > > | > The OOPS's output follows and I have attached the .config I'm using > | > to reproduce the problem. > | > > | > | Can you try booting with the kernel argument : > | debug_alternative > | > | The dmesg of the kernel bootup up to the oops would be helpful. > | > | My guess is that there may be something wrong with irq disabling which > | protects text_poke_early in apply_alternatives(). > > I have attached two files: > > - normal.txt: normal boot with no debug options > - debug-alternative.txt ignore_loglevel and debug-alternative boot > options > > I had to pass ignore_loglevel otherwise it wouldn't print > anything. > Ok, now can you try booting with either of those args : noreplace-paravirt noreplace-smp And see which one(s) works ? Thanks, Mathieu > -- > Luiz Fernando N. Capitulino > Linux version 2.6.27-rc4-test25 (lcapitulino@build1.conectiva) (gcc version 4.3.1 20080626 (prerelease) (GCC) ) #89 SMP Fri Aug 22 12:47:34 BRT 2008 > BIOS-provided physical RAM map: > BIOS-e820: 0000000000000000 - 000000000009fc00 (usable) > BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved) > BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved) > BIOS-e820: 0000000000100000 - 0000000007ff0000 (usable) > BIOS-e820: 0000000007ff0000 - 0000000008000000 (ACPI data) > BIOS-e820: 00000000fffc0000 - 0000000100000000 (reserved) > last_pfn = 0x7ff0 max_arch_pfn = 0x100000 > RAMDISK: 07b9b000 - 07fbf89d > DMI 2.5 present. > ACPI: RSDP 000E0000, 0024 (r2 VBOX ) > ACPI: XSDT 07FF0030, 002C (r1 VBOX VBOXXSDT 1 ASL 61) > ACPI: FACP 07FF0060, 00F4 (r4 VBOX VBOXFACP 1 ASL 61) > ACPI: DSDT 07FF01A0, 1064 (r1 VBOX VBOXBIOS 2 INTL 20080213) > ACPI: FACS 07FF0160, 0040 > 0MB HIGHMEM available. > 127MB LOWMEM available. > mapped low ram: 0 - 07ff0000 > low ram: 00000000 - 07ff0000 > bootmap 00002000 - 00003000 > (9 early reservations) ==> bootmem [0000000000 - 0007ff0000] > #0 [0000000000 - 0000001000] BIOS data page ==> [0000000000 - 0000001000] > #1 [0000001000 - 0000002000] EX TRAMPOLINE ==> [0000001000 - 0000002000] > #2 [0000006000 - 0000007000] TRAMPOLINE ==> [0000006000 - 0000007000] > #3 [0000100000 - 0000814b10] TEXT DATA BSS ==> [0000100000 - 0000814b10] > #4 [0007b9b000 - 0007fbf89d] RAMDISK ==> [0007b9b000 - 0007fbf89d] > #5 [0000815000 - 0000819000] INIT_PG_TABLE ==> [0000815000 - 0000819000] > #6 [000009fc00 - 0000100000] BIOS reserved ==> [000009fc00 - 0000100000] > #7 [0000007000 - 0000009000] PGTABLE ==> [0000007000 - 0000009000] > #8 [0000002000 - 0000003000] BOOTMAP ==> [0000002000 - 0000003000] > Zone PFN ranges: > DMA 0x00000000 -> 0x00001000 > Normal 0x00001000 -> 0x00007ff0 > HighMem 0x00007ff0 -> 0x00007ff0 > Movable zone start PFN for each node > early_node_map[2] active PFN ranges > 0: 0x00000000 -> 0x0000009f > 0: 0x00000100 -> 0x00007ff0 > ACPI: PM-Timer IO Port: 0x4008 > SMP: Allowing 1 CPUs, 0 hotplug CPUs > Found and enabled local APIC! > PM: Registered nosave memory: 000000000009f000 - 00000000000a0000 > PM: Registered nosave memory: 00000000000a0000 - 00000000000f0000 > PM: Registered nosave memory: 00000000000f0000 - 0000000000100000 > Allocating PCI resources starting at 10000000 (gap: 8000000:f7fc0000) > PERCPU: Allocating 40224 bytes of per cpu data > Built 1 zonelists in Zone order, mobility grouping on. Total pages: 32239 > Kernel command line: initrd=alt0/all.rdz vga=788 splash=silent BOOT_IMAGE=alt0/vmlinuz vga=0 console=ttyS0,9600 console=tty0 > Enabling fast FPU save and restore... done. > Enabling unmasked SIMD FPU exception support... done. > Initializing CPU#0 > PID hash table entries: 512 (order: 9, 2048 bytes) > TSC calibrated against PM_TIMER > Detected 2410.453 MHz processor. > Console: colour VGA+ 80x25 > console [tty0] enabled > console [ttyS0] enabled > Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar > ... MAX_LOCKDEP_SUBCLASSES: 8 > ... MAX_LOCK_DEPTH: 48 > ... MAX_LOCKDEP_KEYS: 8191 > ... CLASSHASH_SIZE: 4096 > ... MAX_LOCKDEP_ENTRIES: 8192 > ... MAX_LOCKDEP_CHAINS: 16384 > ... CHAINHASH_SIZE: 8192 > memory used by lock dependency info: 2335 kB > per task-struct memory footprint: 1152 bytes > Dentry cache hash table entries: 16384 (order: 4, 65536 bytes) > Inode-cache hash table entries: 8192 (order: 3, 32768 bytes) > Memory: 117088k/131008k available (2340k kernel code, 13364k reserved, 1027k data, 308k init, 0k highmem) > virtual kernel memory layout: > fixmap : 0xffe18000 - 0xfffff000 (1948 kB) > pkmap : 0xff800000 - 0xffc00000 (4096 kB) > vmalloc : 0xc8800000 - 0xff7fe000 ( 879 MB) > lowmem : 0xc0000000 - 0xc7ff0000 ( 127 MB) > .init : 0xc0451000 - 0xc049e000 ( 308 kB) > .data : 0xc03493b8 - 0xc044a040 (1027 kB) > .text : 0xc0100000 - 0xc03493b8 (2340 kB) > Checking if this processor honours the WP bit even in supervisor mode...Ok. > SLUB: Genslabs=12, HWalign=128, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 > Calibrating delay loop (skipped), value calculated using timer frequency.. 4820.90 BogoMIPS (lpj=2410453) > Security Framework initialized > Mount-cache hash table entries: 512 > CPU: Trace cache: 12K uops, L1 D cache: 16K > CPU: L2 cache: 1024K > Intel machine check architecture supported. > Intel machine check reporting enabled on CPU#0. > Checking 'hlt' instruction... OK. > SMP alternatives: switching to UP code > Freeing SMP alternatives: 10k freed > ACPI: Core revision 20080609 > ACPI: setting ELCR to 0200 (from 0c00) > weird, boot CPU (#0) not listedby the BIOS. > SMP motherboard not detected. > SMP disabled > Brought up 1 CPUs > Total of 1 processors activated (4820.90 BogoMIPS). > khelper used greatest stack depth: 7108 bytes left > net_namespace: 384 bytes > Booting paravirtualized kernel on bare hardware > NET: Registered protocol family 16 > ACPI: bus type pci registered > PCI: PCI BIOS revision 2.10 entry at 0xfadb0, last bus=0 > PCI: Using configuration type 1 for base access > ACPI: Interpreter enabled > ACPI: (supports S0 S5) > ACPI: Using PIC for interrupt routing > ACPI: PCI Root Bridge [PCI0] (0000:00) > ACPI: PCI Interrupt Link [LNKA] (IRQs 5 9 10 11) *0, disabled. > ACPI: PCI Interrupt Link [LNKB] (IRQs 5 9 10 11) *0, disabled. > ACPI: PCI Interrupt Link [LNKC] (IRQs 5 9 10 *11) > ACPI: PCI Interrupt Link [LNKD] (IRQs 5 9 *10 11) > Linux Plug and Play Support v0.97 (c) Adam Belay > pnp: PnP ACPI init > ACPI: bus type pnp registered > BUG: unable to handle kernel NULL pointer dereference at 00000246 > IP: [] vprintk+0x181/0x440 > *pde = 00000000 > Oops: 0002 [#1] SMP > Modules linked in: > > Pid: 1, comm: swapper Not tainted (2.6.27-rc4-test25 #89) > EIP: 0060:[] EFLAGS: 00010246 CPU: 0 > EIP is at vprintk+0x181/0x440 > EAX: 00000246 EBX: 00000000 ECX: c012f8a9 EDX: 00003b3a > ESI: 00000000 EDI: c04d76c1 EBP: c7435f20 ESP: c7435eac > DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0069 > Process swapper (pid: 1, ti=c7434000 task=c7438000 task.ti=c7434000) > Stack: 00003b3a c012f8a9 c7435f3c c02948b1 c7435f18 c02957f6 00000074 c7435ee2 > 00000006 00000246 00000000 00000000 00000021 00000000 00000001 00000000 > a027c4ab a027c4c8 00000001 00000297 00000246 00000000 00000001 00000000 > Call Trace: > [] ? release_console_sem+0x1c9/0x1e0 > [] ? put_device+0x11/0x20 > [] ? device_add+0x26/0x610 > [] ? pnpacpi_init+0x0/0x89 > [] ? printk+0x18/0x1c > [] ? register_acpi_bus_type+0x58/0x69 > [] ? pnpacpi_init+0x49/0x89 > [] ? do_one_initcall+0x26/0x170 > [] ? create_proc_entry+0x54/0xa0 > [] ? register_irq_proc+0xb6/0xd0 > [] ? init_irq_proc+0x4a/0x60 > [] ? kernel_init+0x10f/0x166 > [] ? kernel_init+0x0/0x166 > [] ? kernel_thread_helper+0x7/0x10 > ======================= > Code: c0 0f 84 0b 01 00 00 b8 d0 bf 41 c0 c7 05 6c c0 41 c0 ff ff ff ff e8 7f 82 21 00 e8 1a 03 02 00 8b 45 b0 50 9d 0f 1f 84 00 00 00 <00> 00 8b 45 bc 83 c4 60 5b 5e 5f 5d c3 66 90 a1 6c c0 41 c0 e8 > EIP: [] vprintk+0x181/0x440 SS:ESP 0069:c7435eac > ---[ end trace 4eaa2a86a8e2da22 ]--- > Kernel panic - not syncing: Attempted to kill init! > Linux version 2.6.27-rc4-test25 (lcapitulino@build1.conectiva) (gcc version 4.3.1 20080626 (prerelease) (GCC) ) #89 SMP Fri Aug 22 12:47:34 BRT 2008 > BIOS-provided physical RAM map: > BIOS-e820: 0000000000000000 - 000000000009fc00 (usable) > BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved) > BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved) > BIOS-e820: 0000000000100000 - 0000000007ff0000 (usable) > BIOS-e820: 0000000007ff0000 - 0000000008000000 (ACPI data) > BIOS-e820: 00000000fffc0000 - 0000000100000000 (reserved) > debug: ignoring loglevel setting. > last_pfn = 0x7ff0 max_arch_pfn = 0x100000 > kernel direct mapping tables up to 7ff0000 @ 7000-d000 > RAMDISK: 07b9b000 - 07fbf89d > DMI 2.5 present. > ACPI: RSDP 000E0000, 0024 (r2 VBOX ) > ACPI: XSDT 07FF0030, 002C (r1 VBOX VBOXXSDT 1 ASL 61) > ACPI: FACP 07FF0060, 00F4 (r4 VBOX VBOXFACP 1 ASL 61) > ACPI: DSDT 07FF01A0, 1064 (r1 VBOX VBOXBIOS 2 INTL 20080213) > ACPI: FACS 07FF0160, 0040 > 0MB HIGHMEM available. > 127MB LOWMEM available. > mapped low ram: 0 - 07ff0000 > low ram: 00000000 - 07ff0000 > bootmap 00002000 - 00003000 > (9 early reservations) ==> bootmem [0000000000 - 0007ff0000] > #0 [0000000000 - 0000001000] BIOS data page ==> [0000000000 - 0000001000] > #1 [0000001000 - 0000002000] EX TRAMPOLINE ==> [0000001000 - 0000002000] > #2 [0000006000 - 0000007000] TRAMPOLINE ==> [0000006000 - 0000007000] > #3 [0000100000 - 0000814b10] TEXT DATA BSS ==> [0000100000 - 0000814b10] > #4 [0007b9b000 - 0007fbf89d] RAMDISK ==> [0007b9b000 - 0007fbf89d] > #5 [0000815000 - 0000819000] INIT_PG_TABLE ==> [0000815000 - 0000819000] > #6 [000009fc00 - 0000100000] BIOS reserved ==> [000009fc00 - 0000100000] > #7 [0000007000 - 0000009000] PGTABLE ==> [0000007000 - 0000009000] > #8 [0000002000 - 0000003000] BOOTMAP ==> [0000002000 - 0000003000] > Zone PFN ranges: > DMA 0x00000000 -> 0x00001000 > Normal 0x00001000 -> 0x00007ff0 > HighMem 0x00007ff0 -> 0x00007ff0 > Movable zone start PFN for each node > early_node_map[2] active PFN ranges > 0: 0x00000000 -> 0x0000009f > 0: 0x00000100 -> 0x00007ff0 > On node 0 totalpages: 32655 > free_area_init_node: node 0, pgdat c041f600, node_mem_map c1000000 > DMA zone: 3947 pages, LIFO batch:0 > Normal zone: 28292 pages, LIFO batch:7 > ACPI: PM-Timer IO Port: 0x4008 > SMP: Allowing 1 CPUs, 0 hotplug CPUs > Found and enabled local APIC! > mapped APIC to ffffb000 (fee00000) > PM: Registered nosave memory: 000000000009f000 - 00000000000a0000 > PM: Registered nosave memory: 00000000000a0000 - 00000000000f0000 > PM: Registered nosave memory: 00000000000f0000 - 0000000000100000 > Allocating PCI resources starting at 10000000 (gap: 8000000:f7fc0000) > PERCPU: Allocating 40224 bytes of per cpu data > NR_CPUS: 32, nr_cpu_ids: 1, nr_node_ids 1 > Built 1 zonelists in Zone order, mobility grouping on. Total pages: 32239 > Kernel command line: initrd=alt0/all.rdz vga=788 splash=silent BOOT_IMAGE=alt0/vmlinuz vga=0 console=ttyS0,9600 console=tty0 ignore_loglevel debug-alternative > Enabling fast FPU save and restore... done. > Enabling unmasked SIMD FPU exception support... done. > Initializing CPU#0 > PID hash table entries: 512 (order: 9, 2048 bytes) > TSC calibrated against PM_TIMER > Detected 2410.976 MHz processor. > Console: colour VGA+ 80x25 > console [tty0] enabled > console [ttyS0] enabled > Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar > ... MAX_LOCKDEP_SUBCLASSES: 8 > ... MAX_LOCK_DEPTH: 48 > ... MAX_LOCKDEP_KEYS: 8191 > ... CLASSHASH_SIZE: 4096 > ... MAX_LOCKDEP_ENTRIES: 8192 > ... MAX_LOCKDEP_CHAINS: 16384 > ... CHAINHASH_SIZE: 8192 > memory used by lock dependency info: 2335 kB > per task-struct memory footprint: 1152 bytes > Dentry cache hash table entries: 16384 (order: 4, 65536 bytes) > Inode-cache hash table entries: 8192 (order: 3, 32768 bytes) > Memory: 117088k/131008k available (2340k kernel code, 13364k reserved, 1027k data, 308k init, 0k highmem) > virtual kernel memory layout: > fixmap : 0xffe18000 - 0xfffff000 (1948 kB) > pkmap : 0xff800000 - 0xffc00000 (4096 kB) > vmalloc : 0xc8800000 - 0xff7fe000 ( 879 MB) > lowmem : 0xc0000000 - 0xc7ff0000 ( 127 MB) > .init : 0xc0451000 - 0xc049e000 ( 308 kB) > .data : 0xc03493b8 - 0xc044a040 (1027 kB) > .text : 0xc0100000 - 0xc03493b8 (2340 kB) > Checking if this processor honours the WP bit even in supervisor mode...Ok. > CPA: page pool initialized 1 of 1 pages preallocated > SLUB: Genslabs=12, HWalign=128, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 > Calibrating delay loop (skipped), value calculated using timer frequency.. 4821.95 BogoMIPS (lpj=2410976) > Security Framework initialized > Mount-cache hash table entries: 512 > CPU: Trace cache: 12K uops, L1 D cache: 16K > CPU: L2 cache: 1024K > Intel machine check architecture supported. > Intel machine check reporting enabled on CPU#0. > Checking 'hlt' instruction... OK. > apply_alternatives: alt table c048afa4 -> c048f11f > SMP alternatives: switching to UP code > Freeing SMP alternatives: 10k freed > ACPI: Core revision 20080609 > ACPI: setting ELCR to 0200 (from 0c00) > weird, boot CPU (#0) not listedby the BIOS. > SMP motherboard not detected. > SMP disabled > Brought up 1 CPUs > Total of 1 processors activated (4821.95 BogoMIPS). > BUG: unable to handle kernel NULL pointer dereference at 00000246 > IP: [] vprintk+0x181/0x440 > *pde = 00000000 > Oops: 0002 [#1] SMP > Modules linked in: > > Pid: 1, comm: swapper Not tainted (2.6.27-rc4-test25 #89) > EIP: 0060:[] EFLAGS: 00010246 CPU: 0 > EIP is at vprintk+0x181/0x440 > EAX: 00000246 EBX: 00000000 ECX: c012f8a9 EDX: 00009695 > ESI: 00000000 EDI: c04d76d7 EBP: c7435f98 ESP: c7435f24 > DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0069 > Process swapper (pid: 1, ti=c7434000 task=c7438000 task.ti=c7434000) > Stack: 00009695 c012f8a9 c7435fb4 0000007b c012007b 000000d8 ffffff10 c7435f5a > 00000006 00000246 00000000 c046902c 00000037 00000246 c03438ac c7435f7a > 00000006 00000246 00000000 00000000 00000015 c7435f94 c045e900 00000030 > Call Trace: > [] ? release_console_sem+0x1c9/0x1e0 > [] ? resched_task+0x4b/0x70 > [] ? relay_init+0xd/0x11 > [] ? end_local_APIC_setup+0xb9/0xf2 > [] ? prefill_possible_map+0x7/0x8a > [] ? printk+0x18/0x1c > [] ? native_smp_cpus_done+0x93/0xe9 > [] ? kernel_init+0xd5/0x166 > [] ? kernel_init+0x0/0x166 > [] ? kernel_thread_helper+0x7/0x10 > ======================= > Code: c0 0f 84 0b 01 00 00 b8 d0 bf 41 c0 c7 05 6c c0 41 c0 ff ff ff ff e8 7f 82 21 00 e8 1a 03 02 00 8b 45 b0 50 9d 0f 1f 84 00 00 00 <00> 00 8b 45 bc 83 c4 60 5b 5e 5f 5d c3 66 90 a1 6c c0 41 c0 e8 > EIP: [] vprintk+0x181/0x440 SS:ESP 0069:c7435f24 > ---[ end trace 4eaa2a86a8e2da22 ]--- > Kernel panic - not syncing: Attempted to kill init! -- Mathieu Desnoyers OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/