Re: BUG: null pointer deref in dmar_ir_support
From: Jan.Grossmann@xxxxxxxxxxx
Date: Thu Apr 01 2010 - 14:44:41 EST
Suresh Siddha wrote:
[Problem is in the x86 portion of the code, so copying x86 folks for
their attention]
On Wed, 2010-03-31 at 11:34 -0700, Jan.Grossmann@xxxxxxxxxxx wrote:
[ 0.144012] BUG: unable to handle kernel NULL pointer dereference at
0000000000000025
[ 0.148000] IP: [<ffffffff81199c96>] dmar_ir_support+0xb/0x14
[ 0.148000] PGD 0
[ 0.148000] Oops: 0000 [#1] SMP
[ 0.148000] last sysfs file:
[ 0.148000] CPU 0
[ 0.148000] Modules linked in:
[ 0.148000]
[ 0.148000] Pid: 1, comm: swapper Not tainted 2.6.34-rc2 #4 A8N-SLI
Premium/System Product Name
[ 0.148000] RIP: 0010:[<ffffffff81199c96>] [<ffffffff81199c96>]
dmar_ir_support+0xb/0x14
[ 0.148000] RSP: 0018:ffff88007fbe3e30 EFLAGS: 00010046
[ 0.148000] RAX: 0000000000000000 RBX: 0000000000000000 RCX:
000000000000004c
[ 0.148000] RDX: ffffffff81762338 RSI: 0000000000000046 RDI:
0000000000000010
[ 0.148000] RBP: ffff88007fbe3e30 R08: 0000000000000002 R09:
000000000000000a
[ 0.148000] R10: 0000000000000005 R11: 0000000000000000 R12:
0000000000000010
[ 0.148000] R13: 0000000000000246 R14: 0000000000000000 R15:
000000000000e850
[ 0.148000] FS: 0000000000000000(0000) GS:ffff880001a00000(0000)
knlGS:0000000000000000
[ 0.148000] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 0.148000] CR2: 0000000000000025 CR3: 0000000001625000 CR4:
00000000000006f0
[ 0.148000] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[ 0.148000] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
0000000000000400
[ 0.148000] Process swapper (pid: 1, threadinfo ffff88007fbe2000,
task ffff88007fbde740)
[ 0.148000] Stack:
[ 0.148000] ffff88007fbe3e40 ffffffff816d1f01 ffff88007fbe3e50
ffffffff816b7fa6
[ 0.148000] <0> ffff88007fbe3ea0 ffffffff816b8095 ffff88007fbe3ec0
ffffffff8130122e
[ 0.148000] <0> ffff880000000008 ffff88007fbe3ed0 ffffffff8168ec20
0000000000000200
[ 0.148000] Call Trace:
[ 0.148000] [<ffffffff816d1f01>] intr_remapping_supported+0x12/0x45
[ 0.148000] [<ffffffff816b7fa6>] enable_IR+0x9/0x5d
[ 0.148000] [<ffffffff816b8095>] enable_IR_x2apic+0x9b/0x1b6
[ 0.148000] [<ffffffff8130122e>] ? printk+0x3c/0x3e
[ 0.148000] [<ffffffff816b81f7>] APIC_init_uniprocessor+0x47/0x105
[ 0.148000] [<ffffffff816b62cf>] native_smp_prepare_cpus+0x190/0x365
[ 0.148000] [<ffffffff816ab5f5>] kernel_init+0x71/0x1f0
[ 0.148000] [<ffffffff810097e4>] kernel_thread_helper+0x4/0x10
[ 0.148000] [<ffffffff816ab584>] ? kernel_init+0x0/0x1f0
[ 0.148000] [<ffffffff810097e0>] ? kernel_thread_helper+0x0/0x10
[ 0.148000] Code: ff c7 06 00 00 00 00 48 8b 04 fd 80 ba 42 81 eb 0d
c7 06 02 00 00 00 48 c7 c0 e8 30 4a 81 c9 c3 48 8b 05 0e 4c 56 00 55 48
89 e5 <0f> b6 40 25 c9 83 e0 01 c3 55 48 89 e5 e8 7c 8f 16 00 c9 c3 55
[ 0.148000] RIP [<ffffffff81199c96>] dmar_ir_support+0xb/0x14
[ 0.148000] RSP <ffff88007fbe3e30>
[ 0.148000] CR2: 0000000000000025
Jan, Problem is that your system doesn't have proper SMP tables and we
were doing enable_IR_x2apic() twice finally leading to this panic. Can
you please check if the appended patch fixes your issue? Thanks.
---
From: Suresh Siddha <suresh.b.siddha@xxxxxxxxx>
Subject: x86: fix calling enable_IR_x2apic() twice with SMP kernel on !SMP boards
Jan Grossmann reported kernel boot panic while booting SMP kernel on his
system with a single core cpu. SMP kernels call enable_IR_x2apic() from
native_smp_prepare_cpus() and on platforms where the kernel doesn't
find SMP configuration we ended up again calling enable_IR_x2apic() from the
APIC_init_uniprocessor() call in the smp_sanity_check(). Thus leading to
kernel panic.
Don't call enable_IR_x2apic() and default_setup_apic_routing()
from APIC_init_uniprocessor() in CONFIG_SMP case.
Reported-by: Jan.Grossmann@xxxxxxxxxxx
Signed-off-by: Suresh Siddha <suresh.b.siddha@xxxxxxxxx>
Cc: stable@xxxxxxxxxx [2.6.32, 2.6.33]
---
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 00187f1..e5a4a1e 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -1640,8 +1640,10 @@ int __init APIC_init_uniprocessor(void)
}
#endif
+#ifndef CONFIG_SMP
enable_IR_x2apic();
default_setup_apic_routing();
+#endif
verify_local_APIC();
connect_bsp_APIC();
The patch seems to work,
but now my kernel won't find any IDE, SATA or USB drives anymore and
then i end up with
Kernel panic - not syncing: VFS: Unable to mount root fs on
unknown-block(0,0)
of course.
the full boot log is attached.
thanks
Jan
[ 0.000000] Initializing cgroup subsys cpuset
[ 0.000000] Initializing cgroup subsys cpu
[ 0.000000] Linux version 2.6.34-rc3 (root@masa-server) (gcc version 4.3.1 (Debian 4.3.1-9) ) #1 SMP Thu Apr 1 10:49:29 CEST 2010
[ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-2.6.34-rc3 root=/dev/sda3 ro console=ttyS0,19200
[ 0.000000] BIOS-provided physical RAM map:
[ 0.000000] BIOS-e820: 0000000000000000 - 000000000009f800 (usable)
[ 0.000000] BIOS-e820: 000000000009f800 - 00000000000a0000 (reserved)
[ 0.000000] BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
[ 0.000000] BIOS-e820: 0000000000100000 - 000000007fff0000 (usable)
[ 0.000000] BIOS-e820: 000000007fff0000 - 000000007fff3000 (ACPI NVS)
[ 0.000000] BIOS-e820: 000000007fff3000 - 0000000080000000 (ACPI data)
[ 0.000000] BIOS-e820: 00000000e0000000 - 00000000f0000000 (reserved)
[ 0.000000] BIOS-e820: 00000000fec00000 - 0000000100000000 (reserved)
[ 0.000000] NX (Execute Disable) protection: active
[ 0.000000] DMI 2.3 present.
[ 0.000000] Phoenix BIOS detected: BIOS may corrupt low RAM, working around it.
[ 0.000000] No AGP bridge found
[ 0.000000] last_pfn = 0x7fff0 max_arch_pfn = 0x400000000
[ 0.000000] x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106
[ 0.000000] init_memory_mapping: 0000000000000000-000000007fff0000
[ 0.000000] ACPI: RSDP 00000000000f7c60 00014 (v00 Nvidia)
[ 0.000000] ACPI: RSDT 000000007fff3040 00030 (v01 Nvidia AWRDACPI 42302E31 AWRD 00000000)
[ 0.000000] ACPI: FACP 000000007fff30c0 00074 (v01 Nvidia AWRDACPI 42302E31 AWRD 00000000)
[ 0.000000] ACPI: DSDT 000000007fff3180 06A16 (v01 NVIDIA AWRDACPI 00001000 MSFT 0100000E)
[ 0.000000] ACPI: FACS 000000007fff0000 00040
[ 0.000000] ACPI: SSDT 000000007fff9cc0 000D6 (v01 PTLTD POWERNOW 00000001 LTP 00000001)
[ 0.000000] ACPI: MCFG 000000007fff9e00 0003C (v01 Nvidia AWRDACPI 42302E31 AWRD 00000000)
[ 0.000000] Scanning NUMA topology in Northbridge 24
[ 0.000000] No NUMA configuration found
[ 0.000000] Faking a node at 0000000000000000-000000007fff0000
[ 0.000000] Initmem setup node 0 0000000000000000-000000007fff0000
[ 0.000000] NODE_DATA [0000000001580180 - 000000000158517f]
[ 0.000000] Zone PFN ranges:
[ 0.000000] DMA 0x00000010 -> 0x00001000
[ 0.000000] DMA32 0x00001000 -> 0x00100000
[ 0.000000] Normal empty
[ 0.000000] Movable zone start PFN for each node
[ 0.000000] early_node_map[2] active PFN ranges
[ 0.000000] 0: 0x00000010 -> 0x0000009f
[ 0.000000] 0: 0x00000100 -> 0x0007fff0
[ 0.000000] Nvidia board detected. Ignoring ACPI timer override.
[ 0.000000] If you got timer trouble try acpi_use_timer_override
[ 0.000000] ACPI: PM-Timer IO Port: 0x4008
[ 0.000000] SMP: Allowing 1 CPUs, 0 hotplug CPUs
[ 0.000000] PM: Registered nosave memory: 000000000009f000 - 00000000000a0000
[ 0.000000] PM: Registered nosave memory: 00000000000a0000 - 00000000000f0000
[ 0.000000] PM: Registered nosave memory: 00000000000f0000 - 0000000000100000
[ 0.000000] Allocating PCI resources starting at 80000000 (gap: 80000000:60000000)
[ 0.000000] setup_percpu: NR_CPUS:512 nr_cpumask_bits:512 nr_cpu_ids:1 nr_node_ids:1
[ 0.000000] PERCPU: Embedded 27 pages/cpu @ffff880001600000 s81192 r8192 d21208 u2097152
[ 0.000000] pcpu-alloc: s81192 r8192 d21208 u2097152 alloc=1*2097152
[ 0.000000] pcpu-alloc: [0] 0
[ 0.000000] Built 1 zonelists in Node order, mobility grouping on. Total pages: 516991
[ 0.000000] Policy zone: DMA32
[ 0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-2.6.34-rc3 root=/dev/sda3 ro console=ttyS0,19200
[ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes)
[ 0.000000] Checking aperture...
[ 0.000000] No AGP bridge found
[ 0.000000] Node 0: aperture @ 308000000 size 32 MB
[ 0.000000] Aperture beyond 4GB. Ignoring.
[ 0.000000] Subtract (37 early reservations)
[ 0.000000] #1 [0001000000 - 000157f244] TEXT DATA BSS
[ 0.000000] #2 [000009f800 - 0000100000] BIOS reserved
[ 0.000000] #3 [0001580000 - 000158015d] BRK
[ 0.000000] #4 [0000010000 - 0000012000] TRAMPOLINE
[ 0.000000] #5 [0000012000 - 0000016000] ACPI WAKEUP
[ 0.000000] #6 [0000016000 - 0000018000] PGTABLE
[ 0.000000] #7 [0001580180 - 0001585180] NODE_DATA
[ 0.000000] #8 [0001585180 - 0001586180] BOOTMEM
[ 0.000000] #9 [000157f280 - 000157f400] BOOTMEM
[ 0.000000] #10 [0001d87000 - 0001d88000] BOOTMEM
[ 0.000000] #11 [0001d88000 - 0001d89000] BOOTMEM
[ 0.000000] #12 [0001e00000 - 0003a00000] MEMMAP 0
[ 0.000000] #13 [000157f400 - 000157f580] BOOTMEM
[ 0.000000] #14 [0001586180 - 0001592180] BOOTMEM
[ 0.000000] #15 [0001593000 - 0001594000] BOOTMEM
[ 0.000000] #16 [000157f580 - 000157f778] BOOTMEM
[ 0.000000] #17 [000157f780 - 000157f7e8] BOOTMEM
[ 0.000000] #18 [000157f800 - 000157f868] BOOTMEM
[ 0.000000] #19 [000157f880 - 000157f8e8] BOOTMEM
[ 0.000000] #20 [000157f900 - 000157f968] BOOTMEM
[ 0.000000] #21 [000157f980 - 000157f9e8] BOOTMEM
[ 0.000000] #22 [000157fa00 - 000157fa68] BOOTMEM
[ 0.000000] #23 [000157fa80 - 000157fae8] BOOTMEM
[ 0.000000] #24 [000157fb00 - 000157fb68] BOOTMEM
[ 0.000000] #25 [000157fb80 - 000157fba0] BOOTMEM
[ 0.000000] #26 [000157fbc0 - 000157fc0a] BOOTMEM
[ 0.000000] #27 [000157fc40 - 000157fc8a] BOOTMEM
[ 0.000000] #28 [0001600000 - 000161b000] BOOTMEM
[ 0.000000] #29 [000157fcc0 - 000157fcc8] BOOTMEM
[ 0.000000] #30 [000157fd00 - 000157fd08] BOOTMEM
[ 0.000000] #31 [000157fd40 - 000157fd44] BOOTMEM
[ 0.000000] #32 [000157fd80 - 000157fd88] BOOTMEM
[ 0.000000] #33 [000157fdc0 - 000157ff10] BOOTMEM
[ 0.000000] #34 [000157ff40 - 000157ffc0] BOOTMEM
[ 0.000000] #35 [0001592180 - 0001592200] BOOTMEM
[ 0.000000] #36 [0001594000 - 000159c000] BOOTMEM
[ 0.000000] Memory: 2062072k/2097088k available (2753k kernel code, 452k absent, 34564k reserved, 1497k data, 548k init)
[ 0.000000] Hierarchical RCU implementation.
[ 0.000000] NR_IRQS:33024 nr_irqs:256
[ 0.000000] Console: colour VGA+ 80x25
[ 0.000000] console [ttyS0] enabled
[ 0.000000] Fast TSC calibration using PIT
[ 0.000000] Detected 2010.419 MHz processor.
[ 0.012005] Calibrating delay loop (skipped), value calculated using timer frequency.. 4020.83 BogoMIPS (lpj=8041676)
[ 0.020139] Security Framework initialized
[ 0.024006] SELinux: Disabled at boot.
[ 0.028187] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes)
[ 0.033340] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes)
[ 0.036692] Mount-cache hash table entries: 256
[ 0.040172] Initializing cgroup subsys ns
[ 0.044004] Initializing cgroup subsys cpuacct
[ 0.048005] Initializing cgroup subsys devices
[ 0.052002] Initializing cgroup subsys freezer
[ 0.056003] Initializing cgroup subsys net_cls
[ 0.060054] mce: CPU supports 5 MCE banks
[ 0.064011] Performance Events: AMD PMU driver.
[ 0.072003] ... version: 0
[ 0.076001] ... bit width: 48
[ 0.080001] ... generic registers: 4
[ 0.084001] ... value mask: 0000ffffffffffff
[ 0.088002] ... max period: 00007fffffffffff
[ 0.092001] ... fixed-purpose events: 0
[ 0.096001] ... event mask: 000000000000000f
[ 0.100023] SMP alternatives: switching to UP code
[ 0.109528] Freeing SMP alternatives: 28k freed
[ 0.112012] ACPI: Core revision 20100121
[ 0.125041] ACPI: setting ELCR to 0200 (from 0828)
[ 0.129306] Setting APIC routing to flat
[ 0.132003] weird, boot CPU (#0) not listed by the BIOS.
[ 0.136001] SMP motherboard not detected.
[ 0.144000] SMP disabled
[ 0.144127] Brought up 1 CPUs
[ 0.148003] Total of 1 processors activated (4020.83 BogoMIPS).
[ 0.152649] regulator: core version 0.5
[ 0.156097] NET: Registered protocol family 16
[ 0.160308] TOM: 0000000080000000 aka 2048M
[ 0.164036] ACPI: bus type pci registered
[ 0.168127] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xe0000000-0xefffffff] (base 0xe0000000)
[ 0.172017] PCI: MMCONFIG at [mem 0xe0000000-0xefffffff] reserved in E820
[ 0.194294] PCI: Using configuration type 1 for base access
[ 0.201218] bio: create slab <bio-0> at 0
[ 0.213918] ACPI: Interpreter enabled
[ 0.216004] ACPI: (supports S0 S1 S3 S4 S5)
[ 0.228006] ACPI: Using PIC for interrupt routing
[ 0.245638] ACPI: No dock devices found.
[ 0.248035] PCI: Ignoring host bridge windows from ACPI; if necessary, use "pci=use_crs" and report a bug
[ 0.252127] ACPI: PCI Root Bridge [PCI0] (0000:00)
[ 0.256333] HPET not enabled in BIOS. You might try hpet=force boot option
[ 0.260655] pci 0000:00:09.0: PCI bridge to [bus 05-05] (subtractive decode)
[ 0.264044] pci 0000:00:0b.0: PCI bridge to [bus 04-04]
[ 0.268031] pci 0000:00:0c.0: PCI bridge to [bus 03-03]
[ 0.272031] pci 0000:00:0d.0: PCI bridge to [bus 02-02]
[ 0.276090] pci 0000:00:0e.0: PCI bridge to [bus 01-01]
[ 0.352743] ACPI: PCI Interrupt Link [LNK1] (IRQs 3 4 5 7 9 10 11 12 14 15) *0, disabled.
[ 0.377242] ACPI: PCI Interrupt Link [LNK2] (IRQs *3 4 5 7 9 10 11 12 14 15)
[ 0.397240] ACPI: PCI Interrupt Link [LNK3] (IRQs 3 4 5 7 9 10 *11 12 14 15)
[ 0.416148] ACPI: PCI Interrupt Link [LNK4] (IRQs 3 4 5 7 9 10 11 12 14 15) *0, disabled.
[ 0.441237] ACPI: PCI Interrupt Link [LNK5] (IRQs 3 4 5 7 9 10 11 12 14 15) *0, disabled.
[ 0.468138] ACPI: PCI Interrupt Link [LUBA] (IRQs 3 4 5 7 9 10 11 12 14 15) *0, disabled.
[ 0.493237] ACPI: PCI Interrupt Link [LUBB] (IRQs 3 4 5 7 9 10 11 12 14 15) *0, disabled.
[ 0.517237] ACPI: PCI Interrupt Link [LMAC] (IRQs 3 4 5 7 9 10 11 12 14 15) *0, disabled.
[ 0.541239] ACPI: PCI Interrupt Link [LACI] (IRQs 3 4 *5 7 9 10 11 12 14 15)
[ 0.560148] ACPI: PCI Interrupt Link [LMCI] (IRQs 3 4 5 7 9 10 11 12 14 15) *0, disabled.
[ 0.585239] ACPI: PCI Interrupt Link [LSMB] (IRQs 3 4 5 7 9 10 11 12 14 15) *0, disabled.
[ 0.612148] ACPI: PCI Interrupt Link [LUB2] (IRQs 3 4 5 7 9 10 11 12 14 15) *0, disabled.
[ 0.637237] ACPI: PCI Interrupt Link [LIDE] (IRQs 3 4 5 7 9 10 11 12 14 15) *0, disabled.
[ 0.661247] ACPI: PCI Interrupt Link [LSID] (IRQs 3 4 5 7 9 10 *11 12 14 15)
[ 0.681819] ACPI: PCI Interrupt Link [LFID] (IRQs 3 4 *5 7 9 10 11 12 14 15)
[ 0.701246] ACPI: PCI Interrupt Link [LPCA] (IRQs 3 4 5 7 9 10 11 12 14 15) *0, disabled.
[ 0.725262] ACPI: PCI Interrupt Link [APC1] (IRQs 16) *0, disabled.
[ 0.737258] ACPI: PCI Interrupt Link [APC2] (IRQs 17) *0, disabled.
[ 0.749258] ACPI: PCI Interrupt Link [APC3] (IRQs 18) *0, disabled.
[ 0.761258] ACPI: PCI Interrupt Link [APC4] (IRQs 19) *0, disabled.
[ 0.773196] ACPI: PCI Interrupt Link [APC5] (IRQs *16), disabled.
[ 0.788173] ACPI: PCI Interrupt Link [APCF] (IRQs 20 21 22 23) *0, disabled.
[ 0.805266] ACPI: PCI Interrupt Link [APCG] (IRQs 20 21 22 23) *0, disabled.
[ 0.821265] ACPI: PCI Interrupt Link [APCH] (IRQs 20 21 22 23) *0, disabled.
[ 0.840175] ACPI: PCI Interrupt Link [APCJ] (IRQs 20 21 22 23) *0, disabled.
[ 0.861265] ACPI: PCI Interrupt Link [APCK] (IRQs 20 21 22 23) *0, disabled.
[ 0.877265] ACPI: PCI Interrupt Link [APCS] (IRQs 20 21 22 23) *0, disabled.
[ 0.896175] ACPI: PCI Interrupt Link [APCL] (IRQs 20 21 22 23) *0, disabled.
[ 0.913265] ACPI: PCI Interrupt Link [APCZ] (IRQs 20 21 22 23) *0, disabled.
[ 0.929274] ACPI: PCI Interrupt Link [APSI] (IRQs 20 21 22 23) *0, disabled.
[ 0.945274] ACPI: PCI Interrupt Link [APSJ] (IRQs 20 21 22 23) *0, disabled.
[ 0.964118] ACPI: PCI Interrupt Link [APCP] (IRQs 20 21 22 23) *0, disabled.
[ 0.981280] vgaarb: device added: PCI:0000:01:00.0,decodes=io+mem,owns=io+mem,locks=none
[ 0.984003] vgaarb: loaded
[ 0.988080] usbcore: registered new interface driver usbfs
[ 0.992066] usbcore: registered new interface driver hub
[ 0.996044] usbcore: registered new device driver usb
[ 1.000153] PCI: Using ACPI for IRQ routing
[ 1.004022] pci 0000:00:02.1: address space collision: [mem 0xfeb00000-0xfeb000ff] conflicts with PCI Bus #00 [mem 0xfeb00000-0xfec0ffff]
[ 1.008038] Expanded resource reserved due to conflict with PCI Bus #00
[ 1.012165] Switching to clocksource tsc
[ 1.017377] pnp: PnP ACPI init
[ 1.035676] ACPI: bus type pnp registered
[ 1.065425] pnp: PnP ACPI: found 15 devices
[ 1.090500] ACPI: ACPI bus type pnp unregistered
[ 1.118158] system 00:01: [io 0x4000-0x407f] has been reserved
[ 1.153607] system 00:01: [io 0x4080-0x40ff] has been reserved
[ 1.189018] system 00:01: [io 0x4400-0x447f] has been reserved
[ 1.224429] system 00:01: [io 0x4480-0x44ff] has been reserved
[ 1.259837] system 00:01: [io 0x4800-0x487f] has been reserved
[ 1.295247] system 00:01: [io 0x4880-0x48ff] has been reserved
[ 1.330661] system 00:02: [io 0x04d0-0x04d1] has been reserved
[ 1.366067] system 00:02: [io 0x0800-0x087f] has been reserved
[ 1.401477] system 00:02: [io 0x0290-0x0297] has been reserved
[ 1.436893] system 00:0d: [mem 0xe0000000-0xefffffff] has been reserved
[ 1.476459] system 00:0e: [mem 0x000d5000-0x000d7fff] has been reserved
[ 1.516028] system 00:0e: [mem 0x000f0000-0x000f7fff] could not be reserved
[ 1.557677] system 00:0e: [mem 0x000f8000-0x000fbfff] could not be reserved
[ 1.599327] system 00:0e: [mem 0x000fc000-0x000fffff] could not be reserved
[ 1.640975] system 00:0e: [mem 0x7fff0000-0x7fffffff] could not be reserved
[ 1.682626] system 00:0e: [mem 0xffff0000-0xffffffff] has been reserved
[ 1.722195] system 00:0e: [mem 0x00000000-0x0009ffff] could not be reserved
[ 1.763846] system 00:0e: [mem 0x00100000-0x7ffeffff] could not be reserved
[ 1.805494] system 00:0e: [mem 0xfec00000-0xfec00fff] has been reserved
[ 1.845065] system 00:0e: [mem 0xfee00000-0xfeefffff] has been reserved
[ 1.884633] system 00:0e: [mem 0xfefff000-0xfeffffff] has been reserved
[ 1.924202] system 00:0e: [mem 0xfff80000-0xfff80fff] has been reserved
[ 1.963773] system 00:0e: [mem 0xfff90000-0xfffbffff] has been reserved
[ 2.003346] system 00:0e: [mem 0xfffed000-0xfffeffff] has been reserved
[ 2.047840] pci 0000:00:02.1: BAR 0: assigned [mem 0x80000000-0x800000ff]
[ 2.088464] pci 0000:00:02.1: BAR 0: set to [mem 0x80000000-0x800000ff] (PCI address [0x80000000-0x800000ff]
[ 2.147271] pci 0000:00:09.0: PCI bridge to [bus 05-05]
[ 2.178523] pci 0000:00:09.0: bridge window [io 0xa000-0xafff]
[ 2.214972] pci 0000:00:09.0: bridge window [mem 0xd3000000-0xd4ffffff]
[ 2.255580] pci 0000:00:09.0: bridge window [mem pref disabled]
[ 2.292031] pci 0000:00:0b.0: PCI bridge to [bus 04-04]
[ 2.323278] pci 0000:00:0b.0: bridge window [io disabled]
[ 2.357130] pci 0000:00:0b.0: bridge window [mem disabled]
[ 2.390980] pci 0000:00:0b.0: bridge window [mem pref disabled]
[ 2.427431] pci 0000:00:0c.0: PCI bridge to [bus 03-03]
[ 2.458679] pci 0000:00:0c.0: bridge window [io disabled]
[ 2.492530] pci 0000:00:0c.0: bridge window [mem disabled]
[ 2.526381] pci 0000:00:0c.0: bridge window [mem pref disabled]
[ 2.562831] pci 0000:00:0d.0: PCI bridge to [bus 02-02]
[ 2.594078] pci 0000:00:0d.0: bridge window [io disabled]
[ 2.627930] pci 0000:00:0d.0: bridge window [mem disabled]
[ 2.661781] pci 0000:00:0d.0: bridge window [mem pref disabled]
[ 2.698232] pci 0000:00:0e.0: PCI bridge to [bus 01-01]
[ 2.729480] pci 0000:00:0e.0: bridge window [io 0x9000-0x9fff]
[ 2.765930] pci 0000:00:0e.0: bridge window [mem 0xd0000000-0xd2ffffff]
[ 2.806541] pci 0000:00:0e.0: bridge window [mem 0xc0000000-0xcfffffff 64bit pref]
[ 2.853009] NET: Registered protocol family 2
[ 2.879198] IP route cache hash table entries: 65536 (order: 7, 524288 bytes)
[ 2.922861] TCP established hash table entries: 262144 (order: 10, 4194304 bytes)
[ 2.970234] TCP bind hash table entries: 65536 (order: 8, 1048576 bytes)
[ 3.010990] TCP: Hash tables configured (established 262144 bind 65536)
[ 3.050567] TCP reno registered
[ 3.069345] UDP hash table entries: 1024 (order: 3, 32768 bytes)
[ 3.105341] UDP-Lite hash table entries: 1024 (order: 3, 32768 bytes)
[ 3.144041] NET: Registered protocol family 1
[ 3.183061] pci 0000:00:00.0: Found enabled HT MSI Mapping
[ 3.215915] pci 0000:00:0b.0: Found disabled HT MSI Mapping
[ 3.249246] pci 0000:00:00.0: Found enabled HT MSI Mapping
[ 3.282054] pci 0000:00:0b.0: Linking AER extended capability
[ 3.316453] pci 0000:00:00.0: Found enabled HT MSI Mapping
[ 3.349287] pci 0000:00:0c.0: Found disabled HT MSI Mapping
[ 3.382619] pci 0000:00:00.0: Found enabled HT MSI Mapping
[ 3.415424] pci 0000:00:0c.0: Linking AER extended capability
[ 3.449830] pci 0000:00:00.0: Found enabled HT MSI Mapping
[ 3.482659] pci 0000:00:0d.0: Found disabled HT MSI Mapping
[ 3.515991] pci 0000:00:00.0: Found enabled HT MSI Mapping
[ 3.548797] pci 0000:00:0d.0: Linking AER extended capability
[ 3.583203] pci 0000:00:00.0: Found enabled HT MSI Mapping
[ 3.616031] pci 0000:00:0e.0: Found disabled HT MSI Mapping
[ 3.649364] pci 0000:00:00.0: Found enabled HT MSI Mapping
[ 3.682169] pci 0000:00:0e.0: Linking AER extended capability
[ 3.717399] audit: initializing netlink socket (disabled)
[ 3.749731] type=2000 audit(1270145375.749:1): initialized
[ 3.782751] HugeTLB registered 2 MB page size, pre-allocated 0 pages
[ 3.821027] VFS: Disk quotas dquot_6.5.2
[ 3.844540] Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[ 3.883157] msgmni has been set to 4027
[ 3.906252] alg: No test for stdrng (krng)
[ 3.930831] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 253)
[ 3.975123] io scheduler noop registered
[ 3.998570] io scheduler deadline registered
[ 4.024124] io scheduler cfq registered (default)
[ 4.056052] Linux agpgart interface v0.103
[ 4.080615] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[ 4.118458] serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
[ 4.154782] 00:07: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
[ 4.189941] brd: module loaded
[ 4.208435] PNP: PS/2 Controller [PNP0303:PS2K,PNP0f13:PS2M] at 0x60,0x64 irq 1,12
[ 4.256734] serio: i8042 KBD port at 0x60,0x64 irq 1
[ 4.286432] serio: i8042 AUX port at 0x60,0x64 irq 12
[ 4.316808] mice: PS/2 mouse device common for all mice
[ 4.348152] rtc_cmos 00:04: RTC can wake from S4
[ 4.375833] rtc_cmos 00:04: rtc core: registered rtc_cmos as rtc0
[ 4.412338] rtc0: alarms up to one year, y3k, 242 bytes nvram
[ 4.446772] cpuidle: using governor ladder
[ 4.471289] cpuidle: using governor menu
[ 4.494781] No iBFT detected.
[ 4.512763] TCP cubic registered
[ 4.532060] NET: Registered protocol family 17
[ 4.558778] registered taskstats version 1
[ 4.583502] rtc_cmos 00:04: setting system clock to 2010-04-01 18:09:43 UTC (1270145383)
[ 4.646253] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input0
[ 4.702763] List of all partitions:
[ 4.723621] No filesystem could mount root, tried:
[ 4.752839] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)
[ 4.802290] Pid: 1, comm: swapper Not tainted 2.6.34-rc3 #1
[ 4.835620] Call Trace:
[ 4.850238] [<ffffffff812ac0e1>] ? panic+0x85/0xff
[ 4.879405] [<ffffffff810cadd9>] ? interleave_nodes+0x51/0x70
[ 4.914293] [<ffffffff8111ee85>] ? __bdevname+0x29/0x2e
[ 4.946064] [<ffffffff8143d17b>] ? mount_block_root+0x25e/0x275
[ 4.981994] [<ffffffff81002930>] ? ret_from_sys_call+0x0/0x5
[ 5.016363] [<ffffffff8143d344>] ? prepare_namespace+0x163/0x18d
[ 5.052814] [<ffffffff8143c6e7>] ? kernel_init+0x1d9/0x1e9
[ 5.086143] [<ffffffff810036d4>] ? kernel_thread_helper+0x4/0x10
[ 5.122594] [<ffffffff8143c50e>] ? kernel_init+0x0/0x1e9
[ 5.154882] [<ffffffff810036d0>] ? kernel_thread_helper+0x0/0x10