kdump regression compared to v2.6.35

CAI Qian
2010-08-27T12:35:03Z

Just a head-up, the kdump kernel is stuck here. Bisect indicated that cc41f5cede3c63836d1c0958204630b07f5b5ee7 was also good.

Kernel command line: ro root=/dev/mapper/vg_intels3e3601-lv_root rd_LVM_LV=vg_intels3e3601/lv_root rd_LVM_LV=vg_intels3e3601/lv_swap rd_NO_LUKS rd_NO_MD rd_NO_DM LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYBOARDTYPE=pc KEYTABLE=us console=ttyS0,115200 irqpoll maxcpus=1 reset_devices cgroup_disable=memory memmap=exactmap memmap=640K@0K memmap=130412K@49792K elfcorehdr=180204K memmap=128K$896K memmap=2124K#1978520K memmap=4280K#1980644K memmap=464K$1984924K memmap=156K#1985388K memmap=84K$1985544K memmap=92K#1985628K memmap=8K$1985720K memmap=124K#1985728K memmap=136K$1985852K memmap=192K#1985988K memmap=260K$1986180K memmap=2816K#1986440K memmap=176K$1989256K memmap=3028K#1989432K memmap=2048K#1992460K memmap=2072K#1994508K memmap=8K$1996580K memmap=324K#1996588K memmap=428K$1996912K memmap=31584K#1997340K memmap=960K$2028924K memmap=1248K#2029884K memmap=288K#2031132K memmap=192K#2031420K memmap=327684K$2031612K memmap=16384K$4128768K memmap=16K$4174960K memmap=16384K$417!
7920K
Misrouted IRQ fixup and polling support enabled
This may significantly impact system performance
Disabling memory control group subsystem
PID hash table entries: 512 (order: 0, 4096 bytes)
Checking aperture...
No AGP bridge found
Queued invalidation will be enabled to support x2apic and Intr-remapping.
Subtract (141 early reservations)
#1 [0004000000 - 00052b1548] TEXT DATA BSS
#2 [000ab63000 - 000afef000] RAMDISK
#3 [00052b2000 - 00052b2220] BRK
#4 [000009b000 - 00000fdd20] BIOS reserved
#5 [00000fdd30 - 0000100000] BIOS reserved
#6 [00000fdd20 - 00000fdd30] MP-table mpf
#7 [0000000012 - 000000f012] MP-table mpc
#8 [0000010000 - 0000012000] TRAMPOLINE
#9 [0000012000 - 0000016000] ACPI WAKEUP
#10 [0000016000 - 0000017000] PGTABLE
#11 [0000017000 - 000001703c] ACPI SLIT
#12 [000000f040 - 000000f4c0] MEMNODEMAP
#13 [00030a0000 - 00030c7000] NODE_DATA
#14 [00030c7000 - 00030c8000] BOOTMEM
#15 [00034c8000 - 00034c8030] BOOTMEM
#16 [00038c9000 - 00038ca000] BOOTMEM
#17 [00038ca000 - 00038cb000] BOOTMEM
#18 [0003a00000 - 0003e00000] MEMMAP 0
#19 [00030c8000 - 00030e0000] BOOTMEM
#20 [00030e0000 - 00030f8000] BOOTMEM
#21 [00030f8000 - 00030f9000] BOOTMEM
#22 [00030f9000 - 00030f9041] BOOTMEM
#23 [00030f9080 - 00030f9149] BOOTMEM
#24 [00030f9180 - 00030f9768] BOOTMEM
#25 [00030f9780 - 00030f97e8] BOOTMEM
#26 [00030f9800 - 00030f9868] BOOTMEM
#27 [00030f9880 - 00030f98e8] BOOTMEM
#28 [00030f9900 - 00030f9968] BOOTMEM
#29 [00030f9980 - 00030f99e8] BOOTMEM
#30 [00030f9a00 - 00030f9a68] BOOTMEM
#31 [00030f9a80 - 00030f9ae8] BOOTMEM
#32 [00030f9b00 - 00030f9b68] BOOTMEM
#33 [00030f9b80 - 00030f9be8] BOOTMEM
#34 [00030f9c00 - 00030f9c68] BOOTMEM
#35 [00030f9c80 - 00030f9ce8] BOOTMEM
#36 [00030f9d00 - 00030f9d68] BOOTMEM
#37 [00030f9d80 - 00030f9de8] BOOTMEM
#38 [00030f9e00 - 00030f9e68] BOOTMEM
#39 [00030f9e80 - 00030f9ee8] BOOTMEM
#40 [00030f9f00 - 00030f9f68] BOOTMEM
#41 [00030f9f80 - 00030f9fe8] BOOTMEM
#42 [00030fa000 - 00030fa068] BOOTMEM
#43 [00030fa080 - 00030fa0e8] BOOTMEM
#44 [00030fa100 - 00030fa168] BOOTMEM
#45 [00030fa180 - 00030fa1e8] BOOTMEM
#46 [00030fa200 - 00030fa268] BOOTMEM
#47 [00030fa280 - 00030fa2e8] BOOTMEM
#48 [00030fa300 - 00030fa368] BOOTMEM
#49 [00030fa380 - 00030fa3e8] BOOTMEM
#50 [00030fa400 - 00030fa468] BOOTMEM
#51 [00030fa480 - 00030fa4e8] BOOTMEM
#52 [00030fa500 - 00030fa568] BOOTMEM
#53 [00030fa580 - 00030fa5e8] BOOTMEM
#54 [00030fa600 - 00030fa668] BOOTMEM
#55 [00030fa680 - 00030fa6e8] BOOTMEM
#56 [00030fa700 - 00030fa768] BOOTMEM
#57 [00030fa780 - 00030fa7e8] BOOTMEM
#58 [00030fa800 - 00030fa820] BOOTMEM
#59 [00030fa840 - 00030fac0e] BOOTMEM
#60 [00030fac40 - 00030fb00e] BOOTMEM
#61 [0005400000 - 000541e000] BOOTMEM
#62 [0005420000 - 000543e000] BOOTMEM
#63 [0005440000 - 000545e000] BOOTMEM
#64 [0005460000 - 000547e000] BOOTMEM
#65 [0005480000 - 000549e000] BOOTMEM
#66 [00054a0000 - 00054be000] BOOTMEM
#67 [00054c0000 - 00054de000] BOOTMEM
#68 [00054e0000 - 00054fe000] BOOTMEM
#69 [0005500000 - 000551e000] BOOTMEM
#70 [0005520000 - 000553e000] BOOTMEM
#71 [0005540000 - 000555e000] BOOTMEM
#72 [0005560000 - 000557e000] BOOTMEM
#73 [0005580000 - 000559e000] BOOTMEM
#74 [00055a0000 - 00055be000] BOOTMEM
#75 [00055c0000 - 00055de000] BOOTMEM
#76 [00055e0000 - 00055fe000] BOOTMEM
#77 [0005600000 - 000561e000] BOOTMEM
#78 [0005620000 - 000563e000] BOOTMEM
#79 [0005640000 - 000565e000] BOOTMEM
#80 [0005660000 - 000567e000] BOOTMEM
#81 [0005680000 - 000569e000] BOOTMEM
#82 [00056a0000 - 00056be000] BOOTMEM
#83 [00056c0000 - 00056de000] BOOTMEM
#84 [00056e0000 - 00056fe000] BOOTMEM
#85 [0005700000 - 000571e000] BOOTMEM
#86 [0005720000 - 000573e000] BOOTMEM
#87 [0005740000 - 000575e000] BOOTMEM
#88 [0005760000 - 000577e000] BOOTMEM
#89 [0005780000 - 000579e000] BOOTMEM
#90 [00057a0000 - 00057be000] BOOTMEM
#91 [00057c0000 - 00057de000] BOOTMEM
#92 [00057e0000 - 00057fe000] BOOTMEM
#93 [0005800000 - 000581e000] BOOTMEM
#94 [0005820000 - 000583e000] BOOTMEM
#95 [0005840000 - 000585e000] BOOTMEM
#96 [0005860000 - 000587e000] BOOTMEM
#97 [0005880000 - 000589e000] BOOTMEM
#98 [00058a0000 - 00058be000] BOOTMEM
#99 [00058c0000 - 00058de000] BOOTMEM
#100 [00058e0000 - 00058fe000] BOOTMEM
#101 [0005900000 - 000591e000] BOOTMEM
#102 [0005920000 - 000593e000] BOOTMEM
#103 [0005940000 - 000595e000] BOOTMEM
#104 [0005960000 - 000597e000] BOOTMEM
#105 [0005980000 - 000599e000] BOOTMEM
#106 [00059a0000 - 00059be000] BOOTMEM
#107 [00059c0000 - 00059de000] BOOTMEM
#108 [00059e0000 - 00059fe000] BOOTMEM
#109 [0005a00000 - 0005a1e000] BOOTMEM
#110 [0005a20000 - 0005a3e000] BOOTMEM
#111 [0005a40000 - 0005a5e000] BOOTMEM
#112 [0005a60000 - 0005a7e000] BOOTMEM
#113 [0005a80000 - 0005a9e000] BOOTMEM
#114 [0005aa0000 - 0005abe000] BOOTMEM
#115 [0005ac0000 - 0005ade000] BOOTMEM
#116 [0005ae0000 - 0005afe000] BOOTMEM
#117 [0005b00000 - 0005b1e000] BOOTMEM
#118 [0005b20000 - 0005b3e000] BOOTMEM
#119 [0005b40000 - 0005b5e000] BOOTMEM
#120 [0005b60000 - 0005b7e000] BOOTMEM
#121 [0005b80000 - 0005b9e000] BOOTMEM
#122 [0005ba0000 - 0005bbe000] BOOTMEM
#123 [0005bc0000 - 0005bde000] BOOTMEM
#124 [0005be0000 - 0005bfe000] BOOTMEM
#125 [00030fd040 - 00030fd048] BOOTMEM
#126 [00030fd080 - 00030fd088] BOOTMEM
#127 [00030fd0c0 - 00030fd1c0] BOOTMEM
#128 [00030fd1c0 - 00030fd3c0] BOOTMEM
#129 [00030fd3c0 - 00030fd4d0] BOOTMEM
#130 [00030fd500 - 00030fd548] BOOTMEM
#131 [00030fd580 - 00030fd5c8] BOOTMEM
#132 [00030fb040 - 00030fb240] BOOTMEM
#133 [00030fb240 - 00030fb440] BOOTMEM
#134 [00030fb440 - 00030fb640] BOOTMEM
#135 [00030fb640 - 00030fb840] BOOTMEM
#136 [00030fb840 - 00030fba40] BOOTMEM
#137 [00030fba40 - 00030fbc40] BOOTMEM
#138 [00030fbc40 - 00030fbe40] BOOTMEM
#139 [00030fbe40 - 00030fc040] BOOTMEM
#140 [00030fc040 - 00030fd040] BOOTMEM
Memory: 94968k/180204k available (4766k kernel code, 49156k absent, 36080k reserved, 7642k data, 1448k init)
Hierarchical RCU implementation.
RCU-based detection of stalled CPUs is disabled.
Verbose stalled-CPUs detection is disabled.
NR_IRQS:262400 nr_irqs:2008
Extended CMOS year: 2000
Spurious LAPIC timer interrupt on cpu 0
Console: colour VGA+ 80x25
console [ttyS0] enabled
Fast TSC calibration using PIT
Detected 1994.798 MHz processor.
Calibrating delay loop (skipped), value calculated using timer frequency.. 3989.59 BogoMIPS (lpj=1994798)
pid_max: default: 65536 minimum: 512
Security Framework initialized
SELinux: Initializing.
Dentry cache hash table entries: 16384 (order: 5, 131072 bytes)
Inode-cache hash table entries: 8192 (order: 4, 65536 bytes)
Mount-cache hash table entries: 256
Initializing cgroup subsys ns
Initializing cgroup subsys cpuacct
Initializing cgroup subsys memory
Initializing cgroup subsys devices
Initializing cgroup subsys freezer
Initializing cgroup subsys net_cls
Initializing cgroup subsys blkio
CPU: Physical Processor ID: 3
CPU: Processor Core ID: 0
mce: CPU supports 22 MCE banks
using mwait in idle threads.
Performance Events: PEBS fmt1+, Nehalem events, Intel PMU driver.
... version: 3
... bit width: 48
... generic registers: 4
... value mask: 0000ffffffffffff
... max period: 000000007fffffff
... fixed-purpose events: 3
... event mask: 000000070000000f
SMP alternatives: switching to UP code
ACPI: Core revision 20100702
ftrace: converting mcount calls to 0f 1f 44 00 00
ftrace: allocating 18514 entries in 73 pages
DMAR: Host address width 48
DMAR: DRHD base: 0x000000fd800000 flags: 0x0
IOMMU 0: reg_base_addr fd800000 ver 1:0 cap c90780106f0462 ecap f020fe
DMAR: DRHD base: 0x000000fd000000 flags: 0x1
IOMMU 1: reg_base_addr fd000000 ver 1:0 cap c90780106f0462 ecap f020fe
DMAR: RMRR base: 0x0000007be29000 end: 0x0000007be2bfff
DMAR: RMRR base: 0x0000007be16000 end: 0x0000007be16fff
DMAR: RMRR base: 0x0000007be13000 end: 0x0000007be13fff
DMAR: RMRR base: 0x0000007be10000 end: 0x0000007be10fff
DMAR: RMRR base: 0x0000007be0d000 end: 0x0000007be0dfff
DMAR: RMRR base: 0x0000007be0a000 end: 0x0000007be0afff
DMAR: RMRR base: 0x0000007be07000 end: 0x0000007be07fff
DMAR: RMRR base: 0x0000007be04000 end: 0x0000007be04fff
DMAR: RMRR base: 0x0000007be01000 end: 0x0000007be01fff
DMAR: ATSR flags: 0x0
DMAR: ATSR flags: 0x0
DMAR: RHSA base: 0x000000fd000000 proximity domain: 0x0
DMAR: RHSA base: 0x000000fd800000 proximity domain: 0x2
IOAPIC id 10 under DRHD base 0xfd800000 IOMMU 0
IOAPIC id 8 under DRHD base 0xfd000000 IOMMU 1
IOAPIC id 9 under DRHD base 0xfd000000 IOMMU 1
Enabled Interrupt-remapping
Setting APIC routing to cluster x2apic
..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
CPU0: Intel(R) Xeon(R) CPU X7550 @ 2.00GHz stepping 06
Brought up 1 CPUs
Total of 1 processors activated (3989.59 BogoMIPS).
devtmpfs: initialized
regulator: core version 0.5
NET: Registered protocol family 16
ACPI FADT declares the system doesn't support PCIe ASPM, so disable it
ACPI: bus type pci registered
PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0x80000000-0x8fffffff] (base 0x80000000)
PCI: MMCONFIG at [mem 0x80000000-0x8fffffff] reserved in E820
PCI: Using configuration type 1 for base access
bio: create slab <bio-0> at 0