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Message-ID: <46364EBC.5050804@rtr.ca>
Date: Mon, 30 Apr 2007 16:17:00 -0400
From: Mark Lord <lkml@....ca>
To: Linux Kernel <linux-kernel@...r.kernel.org>, tglx@...utronix.de
Cc: Linus Torvalds <torvalds@...l.org>
Subject: [BUG] 2.6.21: Kernel won't boot with either/both of CONFIG_NO_HZ,
CONFIG_HIGH_RES_TIMERS
I have a new notebook (Dell Inspiron 9400) with Core2-Duo T7400 @ 2.1Ghz.
When either/both of CONFIG_NO_HZ, CONFIG_HIGH_RES_TIMERS is used,
the 2.6.21 kernel hangs on startup just after printing one/both of these:
kernel: switched to high resolution mode on cpu 1
kernel: switched to high resolution mode on cpu 0
100% of the time. The only fix I've found is to rebuild
the kernel without those two options.
The failed kernel.config is attached.
Here is /proc/cpuinfo and lspci -v.
Any help appreciated.
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 15
model name : Intel(R) Core(TM)2 CPU T7400 @ 2.16GHz
stepping : 6
cpu MHz : 1000.000
cache size : 4096 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 2
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 10
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 pbe nx lm constant_tsc pni monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr lahf_lm
bogomips : 4326.04
clflush size : 64
processor : 1
vendor_id : GenuineIntel
cpu family : 6
model : 15
model name : Intel(R) Core(TM)2 CPU T7400 @ 2.16GHz
stepping : 6
cpu MHz : 1000.000
cache size : 4096 KB
physical id : 0
siblings : 2
core id : 1
cpu cores : 2
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 10
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 pbe nx lm constant_tsc pni monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr lahf_lm
bogomips : 4322.51
clflush size : 64
0000:00:00.0 Host bridge: Intel Corporation Mobile Memory Controller Hub (rev 03)
Subsystem: Dell: Unknown device 01cd
Flags: bus master, fast devsel, latency 0
Capabilities: [e0] #09 [5109]
0000:00:01.0 PCI bridge: Intel Corporation Mobile PCI Express Graphics Port (rev 03) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
I/O behind bridge: 0000e000-0000efff
Memory behind bridge: efd00000-efefffff
Prefetchable memory behind bridge: 00000000d0000000-00000000dff00000
Capabilities: [88] #0d [0000]
Capabilities: [80] Power Management version 2
Capabilities: [90] Message Signalled Interrupts: 64bit- Queue=0/0 Enable-
Capabilities: [a0] #10 [0141]
0000:00:1b.0 0403: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller (rev 01)
Subsystem: Dell: Unknown device 01cd
Flags: bus master, fast devsel, latency 0, IRQ 20
Memory at efffc000 (64-bit, non-prefetchable) [size=16K]
Capabilities: [50] Power Management version 2
Capabilities: [60] Message Signalled Interrupts: 64bit+ Queue=0/0 Enable-
Capabilities: [70] #10 [0091]
0000:00:1c.0 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 1 (rev 01) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=0b, subordinate=0b, sec-latency=0
Capabilities: [40] #10 [0141]
Capabilities: [80] Message Signalled Interrupts: 64bit- Queue=0/0 Enable-
Capabilities: [90] #0d [0000]
Capabilities: [a0] Power Management version 2
0000:00:1c.1 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 2 (rev 01) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=0c, subordinate=0c, sec-latency=0
Memory behind bridge: efc00000-efcfffff
Capabilities: [40] #10 [0141]
Capabilities: [80] Message Signalled Interrupts: 64bit- Queue=0/0 Enable-
Capabilities: [90] #0d [0000]
Capabilities: [a0] Power Management version 2
0000:00:1c.3 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 4 (rev 01) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=0d, subordinate=0e, sec-latency=0
I/O behind bridge: 0000d000-0000dfff
Memory behind bridge: efa00000-efbfffff
Prefetchable memory behind bridge: 00000000e0000000-00000000e0100000
Capabilities: [40] #10 [0141]
Capabilities: [80] Message Signalled Interrupts: 64bit- Queue=0/0 Enable-
Capabilities: [90] #0d [0000]
Capabilities: [a0] Power Management version 2
0000:00:1d.0 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI #1 (rev 01) (prog-if 00 [UHCI])
Subsystem: Dell: Unknown device 01cd
Flags: bus master, medium devsel, latency 0, IRQ 19
I/O ports at bf80 [size=32]
0000:00:1d.1 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI #2 (rev 01) (prog-if 00 [UHCI])
Subsystem: Dell: Unknown device 01cd
Flags: bus master, medium devsel, latency 0, IRQ 20
I/O ports at bf60 [size=32]
0000:00:1d.2 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI #3 (rev 01) (prog-if 00 [UHCI])
Subsystem: Dell: Unknown device 01cd
Flags: bus master, medium devsel, latency 0, IRQ 21
I/O ports at bf40 [size=32]
0000:00:1d.3 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI #4 (rev 01) (prog-if 00 [UHCI])
Subsystem: Dell: Unknown device 01cd
Flags: bus master, medium devsel, latency 0, IRQ 22
I/O ports at bf20 [size=32]
0000:00:1d.7 USB Controller: Intel Corporation 82801G (ICH7 Family) USB2 EHCI Controller (rev 01) (prog-if 20 [EHCI])
Subsystem: Dell: Unknown device 01cd
Flags: bus master, medium devsel, latency 0, IRQ 19
Memory at ffa80000 (32-bit, non-prefetchable) [size=1K]
Capabilities: [50] Power Management version 2
Capabilities: [58] #0a [20a0]
0000:00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev e1) (prog-if 01 [Subtractive decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=03, subordinate=03, sec-latency=32
Memory behind bridge: ef900000-ef9fffff
Capabilities: [50] #0d [0000]
0000:00:1f.0 ISA bridge: Intel Corporation 82801GBM (ICH7-M) LPC Interface Bridge (rev 01)
Subsystem: Dell: Unknown device 01cd
Flags: bus master, medium devsel, latency 0
Capabilities: [e0] #09 [100c]
0000:00:1f.2 IDE interface: Intel Corporation 82801GBM/GHM (ICH7 Family) Serial ATA Storage Controllers cc=IDE (rev 01) (prog-if 80 [Master])
Subsystem: Dell: Unknown device 01cd
Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 17
I/O ports at 01f0 [size=8]
I/O ports at 03f4 [size=1]
I/O ports at 0170 [size=8]
I/O ports at 0374 [size=1]
I/O ports at bfa0 [size=16]
Capabilities: [70] Power Management version 2
0000:00:1f.3 SMBus: Intel Corporation 82801G (ICH7 Family) SMBus Controller (rev 01)
Subsystem: Dell: Unknown device 01cd
Flags: medium devsel, IRQ 5
I/O ports at 10c0 [size=32]
0000:01:00.0 VGA compatible controller: ATI Technologies Inc: Unknown device 7145 (prog-if 00 [VGA])
Subsystem: Dell: Unknown device 2002
Flags: bus master, fast devsel, latency 0, IRQ 16
Memory at d0000000 (32-bit, prefetchable) [size=256M]
I/O ports at ee00 [size=256]
Memory at efdf0000 (32-bit, non-prefetchable) [size=64K]
Expansion ROM at efe00000 [disabled] [size=128K]
Capabilities: [50] Power Management version 2
Capabilities: [58] #10 [0011]
0000:03:00.0 Ethernet controller: Broadcom Corporation BCM4401-B0 100Base-TX (rev 02)
Subsystem: Dell: Unknown device 01cd
Flags: bus master, fast devsel, latency 64, IRQ 17
Memory at ef9fe000 (32-bit, non-prefetchable) [size=8K]
Capabilities: [40] Power Management version 2
0000:03:01.0 FireWire (IEEE 1394): Ricoh Co Ltd: Unknown device 0832 (prog-if 10 [OHCI])
Subsystem: Dell: Unknown device 01cd
Flags: bus master, medium devsel, latency 64, IRQ 18
Memory at ef9fd800 (32-bit, non-prefetchable) [size=2K]
Capabilities: [dc] Power Management version 2
0000:03:01.1 0805: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter (rev 19) (prog-if 01)
Subsystem: Dell: Unknown device 01cd
Flags: bus master, medium devsel, latency 64, IRQ 23
Memory at ef9fd400 (32-bit, non-prefetchable) [size=256]
Capabilities: [80] Power Management version 2
0000:03:01.2 System peripheral: Ricoh Co Ltd: Unknown device 0843 (rev 01)
Subsystem: Dell: Unknown device 01cd
Flags: bus master, medium devsel, latency 0, IRQ 9
Memory at ef9fd500 (32-bit, non-prefetchable) [size=256]
Capabilities: [80] Power Management version 2
0000:03:01.3 System peripheral: Ricoh Co Ltd R5C592 Memory Stick Bus Host Adapter (rev 0a)
Subsystem: Dell: Unknown device 01cd
Flags: medium devsel, IRQ 9
Memory at ef9fd600 (32-bit, non-prefetchable) [size=256]
Capabilities: [80] Power Management version 2
0000:03:01.4 System peripheral: Ricoh Co Ltd xD-Picture Card Controller (rev 05)
Subsystem: Dell: Unknown device 01cd
Flags: medium devsel, IRQ 9
Memory at ef9fd700 (32-bit, non-prefetchable) [size=256]
Capabilities: [80] Power Management version 2
0000:0c:00.0 Network controller: Broadcom Corporation: Unknown device 4311 (rev 01)
Subsystem: Dell: Unknown device 0007
Flags: bus master, fast devsel, latency 0, IRQ 5
Memory at efcfc000 (32-bit, non-prefetchable) [size=16K]
Capabilities: [40] Power Management version 2
Capabilities: [58] Message Signalled Interrupts: 64bit- Queue=0/0 Enable-
Capabilities: [d0] #10 [0011]
View attachment "dot_config.nfg" of type "text/plain" (53997 bytes)
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