Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756021AbYHVRU7 (ORCPT ); Fri, 22 Aug 2008 13:20:59 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754418AbYHVRUq (ORCPT ); Fri, 22 Aug 2008 13:20:46 -0400 Received: from perninha.conectiva.com.br ([200.140.247.100]:38838 "EHLO perninha.conectiva.com.br" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755645AbYHVRUp (ORCPT ); Fri, 22 Aug 2008 13:20:45 -0400 Date: Fri, 22 Aug 2008 14:20:54 -0300 From: "Luiz Fernando N. Capitulino" To: Mathieu Desnoyers Cc: Ingo Molnar , "H. Peter Anvin" , linux-kernel@vger.kernel.org Subject: Re: 2.6.{26.2,27-rc} oops on virtualbox Message-ID: <20080822142054.403cbdef@doriath.conectiva> In-Reply-To: <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> <20080822163520.GA9860@Krystal> Organization: Mandriva X-Mailer: Claws Mail 3.5.0 (GTK+ 2.13.7; i586-mandriva-linux-gnu) Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="MP_/1QuTG+.SlIrbrjqeqk68zz8" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 11165 Lines: 272 --MP_/1QuTG+.SlIrbrjqeqk68zz8 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Content-Disposition: inline Em Fri, 22 Aug 2008 12:35:20 -0400 Mathieu Desnoyers escreveu: | * 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 ? noreplace-paravirt works, the other one causes no change. You will find the full boot log (with debug-alternative enabled) attached. -- Luiz Fernando N. Capitulino --MP_/1QuTG+.SlIrbrjqeqk68zz8 Content-Type: text/plain; name=working.txt Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=working.txt 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=tty ignore_loglevel debug-alternative noreplace-paravirt 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 2410.580 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.. 4821.16 BogoMIPS (lpj=2410580) 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 (4821.16 BogoMIPS). CPU0 attaching sched-domain: domain 0: span 0 level CPU groups: 0 khelper used greatest stack depth: 6824 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: EC: Look up EC in DSDT ACPI: Interpreter enabled ACPI: (supports S0 S5) ACPI: Using PIC for interrupt routing ACPI: PCI Root Bridge [PCI0] (0000:00) bus 00 -> node 0 ACPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT] 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 pnp: PnP ACPI: found 6 devices ACPI: ACPI bus type pnp unregistered PnPBIOS: Disabled by ACPI PNP PCI: Using ACPI for IRQ routing bus: 00 index 0 io port: [0, ffff] bus: 00 index 1 mmio: [0, ffffffffffffffff] NET: Registered protocol family 2 IP route cache hash table entries: 1024 (order: 0, 4096 bytes) TCP established hash table entries: 4096 (order: 3, 32768 bytes) TCP bind hash table entries: 4096 (order: 5, 131072 bytes) TCP: Hash tables configured (established 4096 bind 4096) TCP reno registered NET: Registered protocol family 1 checking if image is initramfs...<7>Switched to high resolution mode on CPU 0 it is Freeing initrd memory: 4242k freed khelper used greatest stack depth: 6640 bytes left apm: BIOS version 1.2 Flags 0x03 (Driver version 1.16ac) apm: overridden by ACPI. audit: initializing netlink socket (disabled) type=2000 audit(1219414726.056:1): initialized HugeTLB registered 4 MB page size, pre-allocated 0 pages VFS: Disk quotas dquot_6.5.1 Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) msgmni has been set to 237 Block layer SCSI generic (bsg) driver version 0.4 loaded (major 254) io scheduler noop registered io scheduler anticipatory registered io scheduler deadline registered io scheduler cfq registered (default) pci 0000:00:00.0: Limiting direct PCI/PCI transfers pci 0000:00:01.0: Activating ISA DMA hang workarounds pci 0000:00:02.0: Boot video device isapnp: Scanning for PnP cards... isapnp: No Plug & Play device found Serial: 8250/16550 driver4 ports, IRQ sharing enabled serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16450 brd: module loaded PNP: PS/2 Controller [PNP0303:PS2K,PNP0f03:PS2M] at 0x60,0x64 irq 1,12 serio: i8042 KBD port at 0x60,0x64 irq 1 serio: i8042 AUX port at 0x60,0x64 irq 12 mice: PS/2 mouse device common for all mice input: AT Translated Set 2 keyboard as /class/input/input0 cpuidle: using governor ladder cpuidle: using governor menu input: ImExPS/2 Generic Explorer Mouse as /class/input/input1 TCP cubic registered Using IPI No-Shortcut mode registered taskstats version 1 Freeing unused kernel memory: 308k freed --MP_/1QuTG+.SlIrbrjqeqk68zz8-- -- 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/