Summary:

- Generated and saved Kdump successfully with irqpoll command line option 
  passed to the capture kernel. 

- With out irqpoll command line option, the machine hangs at the following
  location. Below the log. 

SysRq : Trigger a crashdump
Linux version 2.6.16-rc1-git3-7-kdump (geeko@buildhost) (gcc version 4.1.0 20066
BIOS-provided physical RAM map:
 BIOS-e820: 0000000000000100 - 000000000009b800 (usable)
 BIOS-e820: 000000000009b800 - 00000000000a0000 (reserved)
 BIOS-e820: 0000000000100000 - 000000007ff70000 (usable)
 BIOS-e820: 000000007ff70000 - 000000007ff76000 (ACPI data)
 BIOS-e820: 000000007ff76000 - 000000007ff80000 (ACPI NVS)
 BIOS-e820: 000000007ff80000 - 0000000080000000 (reserved)
 BIOS-e820: 00000000fec00000 - 00000000fec10000 (reserved)
 BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved)
 BIOS-e820: 00000000ff800000 - 00000000ffc00000 (reserved)
 BIOS-e820: 00000000fffffc00 - 0000000100000000 (reserved)
user-defined physical RAM map:
 user: 0000000000000000 - 00000000000a0000 (usable)
 user: 0000000001000000 - 0000000001278000 (usable)
 user: 0000000001318400 - 0000000005000000 (usable)
0MB HIGHMEM available.
80MB LOWMEM available.
found SMP MP-table at 000f6140
DMI present.
ACPI: PM-Timer IO Port: 0x1008
ACPI: local apic disabled
Intel MultiProcessor Specification v1.4
    Virtual Wire compatibility mode.
OEM ID: IBM      Product ID: J/P          APIC at: 0xFEE00000
Processor #0 15:3 APIC version 20
I/O APIC #2 Version 32 at 0xFEC00000.
I/O APIC #3 Version 32 at 0xFEC10000.
Processors: 1
Allocating PCI resources starting at 10000000 (gap: 05000000:fb000000)
Built 1 zonelists
Kernel command line: root=/dev/sda2 vga=0x31a selinux=0 resume=/dev/sda4 splashK
Enabling fast FPU save and restore... done.
Enabling unmasked SIMD FPU exception support... done.
Initializing CPU#0
PID hash table entries: 512 (order: 9, 8192 bytes)
Detected 2800.940 MHz processor.
Using pmtmr for high-res timesource
Console: colour dummy device 80x25
Dentry cache hash table entries: 16384 (order: 4, 65536 bytes)
Inode-cache hash table entries: 8192 (order: 3, 32768 bytes)
Memory: 59656k/81920k available (1390k kernel code, 5808k reserved, 564k data, )
Checking if this processor honours the WP bit even in supervisor mode... Ok.
Calibrating delay using timer specific routine.. 5610.22 BogoMIPS (lpj=11220446)
Mount-cache hash table entries: 512
monitor/mwait feature present.
using mwait in idle threads.
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.
CPU0: Intel P4/Xeon Extended MCE MSRs (12) available
CPU0: Thermal monitoring enabled
mtrr: v2.0 (20020519)
CPU: Intel(R) Pentium(R) 4 CPU 2.80GHz stepping 04
Checking 'hlt' instruction... OK.
checking if image is initramfs... it is
Freeing initrd memory: 2520k freed
 not found!
ACPI: setting ELCR to 0200 (from 0820)
NET: Registered protocol family 16
ACPI: bus type pci registered
PCI: PCI BIOS revision 2.10 entry at 0xfd73f, last bus=4
PCI: Using configuration type 1
ACPI: Subsystem revision 20050902
ACPI: Interpreter enabled
ACPI: Using PIC for interrupt routing
ACPI: PCI Root Bridge [PCI0] (0000:00)
PCI quirk: region 1000-107f claimed by ICH4 ACPI/GPIO/TCO
PCI quirk: region 1180-11bf claimed by ICH4 GPIO
PCI: Ignoring BAR0-3 of IDE controller 0000:00:1f.1
PCI: Transparent bridge - 0000:00:1e.0
ACPI: PCI Interrupt Link [LNKA] (IRQs 3 10 *11 14 15)
ACPI: PCI Interrupt Link [LNKB] (IRQs 3 10 11 14 15) *5
ACPI: PCI Interrupt Link [LNKC] (IRQs 3 10 11 14 15) *5
ACPI: PCI Interrupt Link [LNKD] (IRQs 3 10 11 14 15) *5
ACPI: PCI Interrupt Link [LNKE] (IRQs 3 10 11 14 15) *0, disabled.
ACPI: PCI Interrupt Link [LNKF] (IRQs 3 10 11 14 15) *0, disabled.
ACPI: PCI Interrupt Link [LNKG] (IRQs 3 10 *11 14 15)
ACPI: PCI Interrupt Link [LNKH] (IRQs 3 10 *11 14 15)
Linux Plug and Play Support v0.97 (c) Adam Belay
pnp: PnP ACPI init
pnp: PnP ACPI: found 15 devices
PCI: Using ACPI for IRQ routing
PCI: If a device doesn't work, try "pci=routeirq".  If it helps, post a report
PCI: Bridge: 0000:00:03.0
  IO window: 2000-2fff
  MEM window: d0100000-d01fffff
  PREFETCH window: 88000000-880fffff
PCI: Bridge: 0000:00:1c.0
  IO window: 3000-3fff
  MEM window: d0200000-d02fffff
  PREFETCH window: 88100000-881fffff
PCI: Bridge: 0000:00:1e.0
  IO window: disabled.
  MEM window: d0300000-d03fffff
  PREFETCH window: e0000000-efffffff
Simple Boot Flag at 0x38 set to 0x1
IBM machine detected. Enabling interrupts during APM calls.
apm: BIOS not found.
Total HugeTLB memory allocated, 0
VFS: Disk quotas dquot_6.5.1
Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
Initializing Cryptographic API
io scheduler noop registered
io scheduler anticipatory registered
io scheduler deadline registered
io scheduler cfq registered
isapnp: Scanning for PnP cards...
isapnp: No Plug & Play device found
Real Time Clock Driver v1.12ac
PNP: PS/2 Controller [PNP0303:KBC0,PNP0f13:MSE0] at 0x60,0x64 irq 1,12
serio: i8042 AUX port at 0x60,0x64 irq 12
serio: i8042 KBD port at 0x60,0x64 irq 1
Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing enabled
serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
serial8250: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
00:0a: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
00:0b: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
Floppy drive(s): fd0 is 1.44M
FDC 0 is a post-1991 82077
RAMDISK driver initialized: 16 RAM disks of 64000K size 1024 blocksize
mice: PS/2 mouse device common for all mice
md: md driver 0.90.3 MAX_MD_DEVS=256, MD_SB_DISKS=27
md: bitmap version 4.39
NET: Registered protocol family 2
input: AT Translated Set 2 keyboard as /class/input/input0
IP route cache hash table entries: 1024 (order: 0, 4096 bytes)
TCP established hash table entries: 4096 (order: 4, 65536 bytes)
TCP bind hash table entries: 4096 (order: 4, 81920 bytes)
TCP: Hash tables configured (established 4096 bind 4096)
TCP reno registered
TCP bic registered
NET: Registered protocol family 1
Using IPI Shortcut mode
ACPI wakeup devices:
 CSA PCIX PCIB COM1 COM2 KBC0 MSE0 USB1 USB2 EUSB
ACPI: (supports S0 S1 S4 S5)
Freeing unused kernel memory: 180k freed
Write protecting the kernel read-only data: 244k
Trying manual resume from /dev/sda4
Starting udevd
Creating devices
Loading ide-disk
Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
Loading sd_mod
SCSI subsystem initialized
Loading piix
ICH5: IDE controller at PCI slot 0000:00:1f.1
ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11
ACPI: PCI Interrupt 0000:00:1f.1[A] -> Link [LNKC] -> GSI 11 (level, low) -> IR1
ICH5: chipset revision 2
ICH5: not 100% native mode: will probe irqs later
    ide0: BM-DMA at 0x1460-0x1467, BIOS settings: hda:DMA, hdb:pio
    ide1: BM-DMA at 0x1468-0x146f, BIOS settings: hdc:pio, hdd:pio
hda: LTN486S, ATAPI CD/DVD-ROM drive
input: ImExPS/2 Generic Explorer Mouse as /class/input/input1
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
Loading ata_piix
FATAL: Module ahci not found.
ACPI: PCI Interrupt 0000:00:1f.2[A] -> Link [LNKC] -> GSI 11 (level, low) -> IR1
ata1: SATA max UDMA/133 cmd 0x14A8 ctl 0x149E bmdma 0x1470 irq 11
ata2: SATA max UDMA/133 cmd 0x14A0 ctl 0x149A bmdma 0x1478 irq 11
ata1: SATA port has no device.
scsi0 : ata_piix
ata2: dev 0 ATA-7, max UDMA/133, 156312576 sectors: LBA
ata2: dev 0 configured for UDMA/133
scsi1 : ata_piix
  Vendor: ATA       Model: Maxtor 6Y080M0    Rev: YAR5
  Type:   Direct-Access                      ANSI SCSI revision: 05
SCSI device sda: 156312576 512-byte hdwr sectors (80032 MB)
sda: Write Protect is off
SCSI device sda: drive cache: write back
SCSI device sda: 156312576 512-byte hdwr sectors (80032 MB)
sda: Write Protect is off
SCSI device sda: drive cache: write back
 sda:scsi_id[495]: scsi_id: unable to access parent device of '/block/sda'
scsi_id[496]: scsi_id: unable to access parent d sda1 sda2 sda3 sda4
evice of '/block/sda'
sd 1:0:0:0: Attached scsi disk sda
Loading aic79xx
sd 1:0:0:0: Attached scsi generic sg0 type 0
PCI: Enabling device 0000:03:04.0 (0156 -> 0157)
ACPI: PCI Interrupt Link [LNKG] enabled at IRQ 11
ACPI: PCI Interrupt 0000:03:04.0[A] -> Link [LNKG] -> GSI 11 (level, low) -> IR1
irq 11: nobody cared (try booting with the "irqpoll" option)
 [<c103163b>] __report_bad_irq+0x2b/0x69
 [<c10317f8>] note_interrupt+0x17f/0x1ab
 [<c103115e>] handle_IRQ_event+0x23/0x4c
 [<c1031221>] __do_IRQ+0x9a/0xcd
 [<c11ffb3c>] acpi_early_init+0xe1/0xee
 [<c1004ed8>] do_IRQ+0x46/0x56
 [<c1003aba>] common_interrupt+0x1a/0x20
 [<c1001d15>] mwait_idle+0x1a/0x31
 [<c1001ce6>] cpu_idle+0x38/0x4d
 [<c11ec5c5>] start_kernel+0x248/0x24a
handlers:
[<c585ade4>] (ata_interrupt+0x0/0x12d [libata])
[<c5902e2b>] (ahd_linux_isr+0x0/0x17b [aic79xx])
Disabling IRQ #11
scsi2 : Adaptec AIC79XX PCI-X SCSI HBA DRIVER, Rev 3.0
        <Adaptec AIC7901 Ultra320 SCSI adapter>
        aic7901: Ultra320 Wide Channel A, SCSI Id=7, PCI-X 50-66Mhz, 512 SCBs

 2:0:0:0: Attempting to queue an ABORT message:CDB: 0x12 0x0 0x0 0x0 0x24 0x0
 2:0:0:0: Command already completed
aic79xx_abort returns 0x2002
 2:0:0:0: Attempting to queue an ABORT message:CDB: 0x0 0x0 0x0 0x0 0x0 0x0
 2:0:0:0: Command already completed
aic79xx_abort returns 0x2002
 2:0:0:0: Attempting to queue a TARGET RESET message:CDB: 0x12 0x0 0x0 0x0 0x240
 2:0:0:0: Command not found
aic79xx_dev_reset returns 0x2002
 2:0:0:0: Attempting to queue an ABORT message:CDB: 0x0 0x0 0x0 0x0 0x0 0x0
 2:0:0:0: Command already completed
aic79xx_abort returns 0x2002
BUG: spinlock recursion on CPU#0, scsi_eh_2/517
 lock: c4ed2098, .magic: dead4ead, .owner: scsi_eh_2/517, .owner_cpu: 0
 [<c10a80f7>] _raw_spin_lock+0x32/0xcd
 [<c115972c>] _spin_lock_irqsave+0x9/0xd
 [<c5903ab6>] ahd_freeze_simq+0x12/0x43 [aic79xx]
 [<c58f6375>] ahd_reset_channel+0x471/0x4af [aic79xx]
 [<c5901441>] ahd_linux_queue_recovery_cmd+0x8e3/0x906 [aic79xx]
 [<c5902df3>] ahd_linux_bus_reset+0x38/0x70 [aic79xx]
 [<c5881e24>] scsi_try_bus_reset+0x3e/0x93 [scsi_mod]
 [<c5882b60>] scsi_error_handler+0x74a/0xb3c [scsi_mod]
 [<c11584d7>] schedule+0x499/0x4f7
 [<c1003aba>] common_interrupt+0x1a/0x20
 [<c101007b>] smp_apic_timer_interrupt+0x4/0x2d
 [<c5882416>] scsi_error_handler+0x0/0xb3c [scsi_mod]
 [<c102739d>] kthread+0x91/0xbd
 [<c102730c>] kthread+0x0/0xbd
 [<c1001005>] kernel_thread_helper+0x5/0xb
BUG: spinlock lockup on CPU#0, scsi_eh_2/517, c4ed2098
 [<c10a8174>] _raw_spin_lock+0xaf/0xcd
 [<c115972c>] _spin_lock_irqsave+0x9/0xd
 [<c5903ab6>] ahd_freeze_simq+0x12/0x43 [aic79xx]
 [<c58f6375>] ahd_reset_channel+0x471/0x4af [aic79xx]
 [<c5901441>] ahd_linux_queue_recovery_cmd+0x8e3/0x906 [aic79xx]
 [<c5902df3>] ahd_linux_bus_reset+0x38/0x70 [aic79xx]
 [<c5881e24>] scsi_try_bus_reset+0x3e/0x93 [scsi_mod]
 [<c5882b60>] scsi_error_handler+0x74a/0xb3c [scsi_mod]
 [<c11584d7>] schedule+0x499/0x4f7
 [<c1003aba>] common_interrupt+0x1a/0x20
 [<c101007b>] smp_apic_timer_interrupt+0x4/0x2d
 [<c5882416>] scsi_error_handler+0x0/0xb3c [scsi_mod]
 [<c102739d>] kthread+0x91/0xbd
 [<c102730c>] kthread+0x0/0xbd
 [<c1001005>] kernel_thread_helper+0x5/0xb