Hi, all. This is my first attempt to troubleshoot a kernel panic so I
am quite newbie in this area. I have been able to obtain a kdump when
my box had kernel panic.
I set up Kdump and Kexec and then the captured/crash kernel to boot
into Level 1 and then copy /proc/vmcore file to the disk for later
analysis. However, after the server booted back to Level 3 and I
utilized the crash command to analyzed the vmcore file. I got error
message:
./crash /boot/vmlinux ../vmcore.test
crash: read error: kernel virtual address: ffffffff8123d1e0 type:
"kernel_config_data"
WARNING: cannot read kernel_config_data
crash: read error: kernel virtual address: ffffffff813b5180 type: "xtime"
I installed the lastest crash software 4.0-3.6. I googled left and
right but nothing has turned up useful.
Thank you for all the helps and hints.
My box is dual Xeon 3.2 GHz, 4 GBs of PC2700 DDR2 and run CentOS 4.3
with kernel
Linux node30 2.6.18 #1 SMP Mon Oct 9 14:42:15 PDT 2006 x86_64 x86_64
x86_64 GNU/Linux
lspci
00:00.0 Host bridge: Intel Corporation E7320 Memory Controller Hub (rev 0c)
00:02.0 PCI bridge: Intel Corporation E7525/E7520/E7320 PCI Express
Port A (rev 0c)
00:03.0 PCI bridge: Intel Corporation E7525/E7520/E7320 PCI Express
Port A1 (rev 0c)
00:1c.0 PCI bridge: Intel Corporation 6300ESB 64-bit PCI-X Bridge (rev 02)
00:1d.0 USB Controller: Intel Corporation 6300ESB USB Universal Host
Controller (rev 02)
00:1d.1 USB Controller: Intel Corporation 6300ESB USB Universal Host
Controller (rev 02)
00:1d.4 System peripheral: Intel Corporation 6300ESB Watchdog Timer (rev 02)
00:1d.5 PIC: Intel Corporation 6300ESB I/O Advanced Programmable
Interrupt Controller (rev 02)
00:1d.7 USB Controller: Intel Corporation 6300ESB USB2 Enhanced Host
Controller (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 0a)
00:1f.0 ISA bridge: Intel Corporation 6300ESB LPC Interface Controller (rev 02)
00:1f.2 IDE interface: Intel Corporation 6300ESB SATA Storage
Controller (rev 02)
00:1f.3 SMBus: Intel Corporation 6300ESB SMBus Controller (rev 02)
01:00.0 PCI bridge: Intel Corporation 6700PXH PCI Express-to-PCI
Bridge A (rev 09)
01:00.2 PCI bridge: Intel Corporation 6700PXH PCI Express-to-PCI
Bridge B (rev 09)
05:01.0 Ethernet controller: Intel Corporation 82541GI/PI Gigabit
Ethernet Controller (rev 05)
05:02.0 Ethernet controller: Intel Corporation 82541GI/PI Gigabit
Ethernet Controller (rev 05)
06:02.0 VGA compatible controller: ATI Technologies Inc Rage XL (rev 27)
cat /proc/meminfo
MemTotal: 4042508 kB
MemFree: 3533972 kB
Buffers: 50236 kB
Cached: 374388 kB
SwapCached: 0 kB
Active: 154168 kB
Inactive: 276496 kB
HighTotal: 0 kB
HighFree: 0 kB
LowTotal: 4042508 kB
LowFree: 3533972 kB
SwapTotal: 5742364 kB
SwapFree: 5742364 kB
Dirty: 80 kB
Writeback: 0 kB
AnonPages: 5868 kB
Mapped: 4020 kB
Slab: 57212 kB
PageTables: 904 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
CommitLimit: 7763616 kB
Committed_AS: 19128 kB
VmallocTotal: 34359738367 kB
VmallocUsed: 3208 kB
VmallocChunk: 34359734915 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
Hugepagesize: 2048 kB
processor : 0
vendor_id : GenuineIntel
cpu family : 15
model : 4
model name : Intel(R) Xeon(TM) CPU 3.20GHz
stepping : 3
cpu MHz : 3200.198
cache size : 2048 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 1
fpu : yes
fpu_exception : yes
cpuid level : 5
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall
lm constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips : 6405.21
clflush size : 64
cache_alignment : 128
address sizes : 36 bits physical, 48 bits virtual
power management:
processor : 1
vendor_id : GenuineIntel
cpu family : 15
model : 4
model name : Intel(R) Xeon(TM) CPU 3.20GHz
stepping : 3
cpu MHz : 3200.198
cache size : 2048 KB
physical id : 3
siblings : 2
core id : 0
cpu cores : 1
fpu : yes
fpu_exception : yes
cpuid level : 5
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall
lm constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips : 6400.80
clflush size : 64
cache_alignment : 128
address sizes : 36 bits physical, 48 bits virtual
power management:
processor : 2
vendor_id : GenuineIntel
cpu family : 15
model : 4
model name : Intel(R) Xeon(TM) CPU 3.20GHz
stepping : 3
cpu MHz : 3200.198
cache size : 2048 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 1
fpu : yes
fpu_exception : yes
cpuid level : 5
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall
lm constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips : 6400.98
clflush size : 64
cache_alignment : 128
address sizes : 36 bits physical, 48 bits virtual
power management:
processor : 3
vendor_id : GenuineIntel
cpu family : 15
model : 4
model name : Intel(R) Xeon(TM) CPU 3.20GHz
stepping : 3
cpu MHz : 3200.198
cache size : 2048 KB
physical id : 3
siblings : 2
core id : 0
cpu cores : 1
fpu : yes
fpu_exception : yes
cpuid level : 5
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall
lm constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips : 6400.80
clflush size : 64
cache_alignment : 128
address sizes : 36 bits physical, 48 bits virtual
power management:
-
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