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Message-Id: <200703062258.19940.kernel@kolivas.org>
Date: Tue, 6 Mar 2007 22:58:19 +1100
From: Con Kolivas <kernel@...ivas.org>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org, tglx@...utronix.de
Subject: Re: 2.6.21-rc2-mm2
(tglx cc'ed as he may know something about this - sorry if it's inappropriate)
On Tuesday 06 March 2007 19:44, Andrew Morton wrote:
> Temporarily at
>
> http://userweb.kernel.org/~akpm/2.6.21-rc2-mm2/
>
> Will appear later at
>
>
> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.20-rc2/2.
>6.20-rc2-mm2/
qemu doesn't like it with the config from my core2duo (attached below).
qemu-system-x86_64 -kernel
arch/x86_64/boot/bzImage -hda ../temp/linux-0.2.img -append
root=/dev/hda -smp 2 -nographic -serial stdio -append console=ttyS0
Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal
error, but for better emulation accuracy either use a 2.6 host Linux kernel or
type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.
(qemu) Linux version 2.6.21-rc2-mm2 (con@....kolivas.org) (gcc version 4.1.2
20061115 (prerelease) (Debian 4.1.1-21)) #2 SMP PREEMPT Tue Mar 6 22:42:56
EST 2007
Command line: console=ttyS0
BIOS-provided physical RAM map:
BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)
BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved)
BIOS-e820: 00000000000e8000 - 0000000000100000 (reserved)
BIOS-e820: 0000000000100000 - 0000000007ff0000 (usable)
BIOS-e820: 0000000007ff0000 - 0000000008000000 (ACPI data)
BIOS-e820: 00000000fffc0000 - 0000000100000000 (reserved)
end_pfn_map = 1048576
DMI not present or invalid.
ACPI: RSDP 000FA6D0, 0014 (r0 QEMU )
ACPI: RSDT 07FF0000, 002C (r0 QEMU QEMURSDT 1 QEMU 1)
ACPI: FACP 07FF002C, 0074 (r0 QEMU QEMUFACP 1 QEMU 1)
ACPI: DSDT 07FF0100, 0832 (r1 BXPC BXDSDT 1 INTL 20060912)
ACPI: FACS 07FF00C0, 0040
ACPI: APIC 07FF0938, 0048 (r0 QEMU QEMUAPIC 1 QEMU 1)
Zone PFN ranges:
DMA 0 -> 4096
DMA32 4096 -> 1048576
Normal 1048576 -> 1048576
Movable zone start PFN for each node
early_node_map[2] active PFN ranges
0: 0 -> 159
0: 256 -> 32752
ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
Processor #0 (Bootup-CPU)
ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled)
Processor #1
ACPI: IOAPIC (id[0x02] address[0xfec00000] gsi_base[0])
IOAPIC[0]: apic_id 2, address 0xfec00000, GSI 0-23
Setting APIC routing to flat
Using ACPI (MADT) for SMP configuration information
Nosave address range: 000000000009f000 - 00000000000a0000
Nosave address range: 00000000000a0000 - 00000000000e8000
Nosave address range: 00000000000e8000 - 0000000000100000
Allocating PCI resources starting at 10000000 (gap: 8000000:f7fc0000)
SMP: Allowing 2 CPUs, 0 hotplug CPUs
PERCPU: Allocating 33792 bytes of per cpu data
Built 1 zonelists. Total pages: 31110
Kernel command line: console=ttyS0
Initializing CPU#0
PID hash table entries: 512 (order: 9, 4096 bytes)
Marking TSC unstable due to TSCs unsynchronized
time.c: Detected 2461.549 MHz processor.
Console: colour VGA+ 80x25
Dentry cache hash table entries: 16384 (order: 5, 131072 bytes)
Inode-cache hash table entries: 8192 (order: 4, 65536 bytes)
Checking aperture...
Memory: 123928k/131008k available (2332k kernel code, 6532k reserved, 1359k
data, 216k init)
Calibrating delay using timer specific routine.. 5715.81 BogoMIPS
(lpj=2857906)
Mount-cache hash table entries: 256
CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
CPU: L2 Cache: 512K (64 bytes/line)
SMP alternatives: switching to UP code
ACPI: Core revision 20070126
do_IRQ: 0.48 No irq handler for vector
do_IRQ: 0.48 No irq handler for vector
do_IRQ: 0.48 No irq handler for vector
do_IRQ: 0.48 No irq handler for vector
do_IRQ: 0.48 No irq handler for vector
do_IRQ: 0.48 No irq handler for vector
do_IRQ: 0.48 No irq handler for vector
do_IRQ: 0.48 No irq handler for vector
do_IRQ: 0.48 No irq handler for vector
do_IRQ: 0.48 No irq handler for vector
Using local APIC timer interrupts.
result 62504298
Detected 62.504 MHz APIC timer.
SMP alternatives: switching to SMP code
Booting processor 1/2 APIC 0x1
Initializing CPU#1
Calibrating delay using timer specific routine.. 11970.64 BogoMIPS
(lpj=5985322)
CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
CPU: L2 Cache: 512K (64 bytes/line)
QEMU Virtual CPU version 0.9.0 stepping 03
Brought up 2 CPUs
migration_cost=1939
NET: Registered protocol family 16
ACPI: bus type pci registered
PCI: Using configuration type 1
ACPI: Interpreter enabled
ACPI: (supports S5)
ACPI: Using IOAPIC for interrupt routing
ACPI: PCI Root Bridge [PCI0] (0000:00)
0000:00:01.1: cannot adjust BAR0 (not I/O)
0000:00:01.1: cannot adjust BAR1 (not I/O)
0000:00:01.1: cannot adjust BAR2 (not I/O)
0000:00:01.1: cannot adjust BAR3 (not I/O)
PCI quirk: region b000-b03f claimed by PIIX4 ACPI
PCI quirk: region b100-b10f claimed by PIIX4 SMB
ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 7 9 10 *11 12)
ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 7 *9 10 11 12)
ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 7 9 10 *11 12)
ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 7 *9 10 11 12)
Linux Plug and Play Support v0.97 (c) Adam Belay
pnp: PnP ACPI init
pnp: PnP ACPI: found 6 devices
SCSI subsystem initialized
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
PCI: Using ACPI for IRQ routing
PCI: If a device doesn't work, try "pci=routeirq". If it helps, post a report
PCI-GART: No AMD northbridge found.
Unable to handle kernel NULL pointer dereference at 0000000000000830 RIP:
[<ffffffff8018401c>] do_timer+0x301/0x419
PGD 0
Oops: 0000 [1] PREEMPT SMP
last sysfs file:
CPU 0
Modules linked in:
Pid: 1, comm: swapper Not tainted 2.6.21-rc2-mm2 #2
RIP: 0010:[<ffffffff8018401c>] [<ffffffff8018401c>] do_timer+0x301/0x419
RSP: 0000:ffffffff804efda8 EFLAGS: 00000097
RAX: 0000000045ed53ec RBX: 0000000000000800 RCX: 0000000000000008
RDX: 000000000f41a777 RSI: 00000000000f4240 RDI: ffffffff8046c1c0
RBP: 000000032d8863b3 R08: 0000000000000004 R09: ffffffff804e7700
R10: ffff810080cdffc0 R11: 7fffffffffffffff R12: ffffffff8046c3c0
R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
FS: 0000000000000000(0000) GS:ffffffff8049c000(0000) knlGS:0000000000000000
CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 0000000000000830 CR3: 0000000000101000 CR4: 00000000000006e0
Process swapper (pid: 1, threadinfo ffff810001450000, task ffff81000144f420)
Stack: ffffffff804efef4 0000000000000001 ffffffff804efee8 ffffffff80465e20
0000000000000000 0000000000000000 0000000000000000 0000000000000000
ffff810002602288 ffffffff801638fc 0000000000000080 0000000000000100
Call Trace:
<IRQ> [<ffffffff801638fc>] main_timer_handler+0x24/0x1de
[<ffffffff80163ac8>] timer_interrupt+0x12/0x27
[<ffffffff801104c5>] handle_IRQ_event+0x25/0x53
[<ffffffff8019965c>] handle_edge_irq+0xe5/0x129
[<ffffffff80162b4e>] do_IRQ+0x6c/0xd3
[<ffffffff8017be24>] run_rebalance_domains+0x13d/0x3fd
[<ffffffff80156e31>] ret_from_intr+0x0/0xa
[<ffffffff80111839>] __do_softirq+0x3b/0x93
[<ffffffff80157adc>] call_softirq+0x1c/0x28
[<ffffffff80162a91>] do_softirq+0x2c/0x7d
[<ffffffff80180fe0>] irq_exit+0x3f/0x50
[<ffffffff8016c48b>] smp_apic_timer_interrupt+0x49/0x5c
[<ffffffff80160d16>] default_idle+0x0/0x3d
[<ffffffff80157586>] apic_timer_interrupt+0x66/0x70
<EOI> [<ffffffff8010d03b>] permission+0x4e/0xb3
[<ffffffff80132d52>] __lookup_hash+0x28/0x126
[<ffffffff801b4246>] lookup_one_len_nd+0x62/0x70
[<ffffffff801d63f5>] create_dir+0x46/0x1e3
[<ffffffff801d65e9>] sysfs_create_dir+0x57/0x75
[<ffffffff80220201>] kobject_shadow_add+0xe9/0x19d
[<ffffffff802203e9>] kobject_register+0x20/0x39
[<ffffffff8028d4dc>] bus_add_driver+0x59/0x19a
[<ffffffff804b55fd>] init+0x142/0x23f
[<ffffffff8015b1e0>] preempt_schedule+0x4f/0x7f
[<ffffffff80125438>] schedule_tail+0x38/0x98
[<ffffffff80157768>] child_rip+0xa/0x12
[<ffffffff8024493d>] acpi_ds_init_one_object+0x0/0x7c
[<ffffffff804b54bb>] init+0x0/0x23f
[<ffffffff8015775e>] child_rip+0x0/0x12
Code: 8b 53 30 48 c7 c7 5c e6 3f 80 8b 4b 34 48 89 6b 48 48 c7 43
RIP [<ffffffff8018401c>] do_timer+0x301/0x419
RSP <ffffffff804efda8>
CR2: 0000000000000830
Kernel panic - not syncing: Aiee, killing interrupt handler!
Terminated
---
list *do_timer+0x301
0xffffffff8018401c is in do_timer
(/home/con/kernel/linux-2.6.21-rc2-mm2/include/linux/clocksource.h:186).
181 u64 tmp;
182
183 /* XXX - All of this could use a whole lot of optimization */
184 tmp = length_nsec;
185 tmp <<= c->shift;
186 tmp += c->mult/2;
187 do_div(tmp, c->mult);
188
189 c->cycle_interval = (cycle_t)tmp;
190 if (c->cycle_interval == 0)
--
-ck
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