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SubjectRe: [PATCH 0/6] [RFC] Sizing zones and holes in an architecture independent manner
On Wed, Apr 12, 2006 at 12:23:45AM +0100, Mel Gorman wrote:
> Darn.
>
> o Did it boot on other IA64 machines or was the Tiger the first boot failure?

I only tried to boot on the Tiger.

> o Possibly a stupid question but does the Tiger configuration use the
> flatmem memory model, sparsemem or discontig?

I built using arch/ia64/configs/tiger_defconfig - a FLATMEM config with
VIRT_MEM_MAP=y. The machine has 4G of memory, 2G at 0-2G, and 2G at 6G-8G
(so it is somewhat sparse ... but this is pretty normal for an ia64 with
>2G).

> If it's flatmem, I noticed I made a stupid mistake where vmem_map is not
> getting set to (void *)0 for machines with small memory holes. Nothing
> else really obvious jumped out at me.
>
> I've attached a patch called "105-ia64_use_init_nodes.patch". Can you
> reverse Patch 5/6 and apply this one instead please? I've also attached
> 107-debug.diff that applies on top of patch 6/6. It just prints out
> debugging information during startup that may tell me where I went wrong
> in arch/ia64. I'd really appreciate it if you could use both patches, let
> me know if it still fails to boot and send me the console log of the
> machine starting up if it fails so I can make guesses as to what is going
> wrong.
>
> Thanks a lot for trying the patches out on ia64. It was the one arch of
> the set I had no chance to test with at all :/

Ok, I cloned a branch from patch4, applied the new patch 5, git-cherry-picked
patch 6, and then applied the debug patch7.

Here's the console log:

Linux version 2.6.17-rc1-tiger-smpxx (aegl@linux-t10) (gcc version 3.4.3 20050227 (Red Hat 3.4.3-22.1)) #2 SMP Tue Apr 11 16:45:31 PDT 2006
EFI v1.10 by INTEL: SALsystab=0x7fe54980 ACPI=0x7ff84000 ACPI 2.0=0x7ff83000 MPS=0x7ff82000 SMBIOS=0xf0000
Early serial console at I/O port 0x2f8 (options '115200')
Initial ramdisk at: 0xe0000001fedf5000 (1303568 bytes)
SAL 3.20: Intel Corp SR870BN4 version 3.0
SAL Platform features: BusLock IRQ_Redirection
SAL: AP wakeup using external interrupt vector 0xf0
No logical to physical processor mapping available
iosapic_system_init: Disabling PC-AT compatible 8259 interrupts
ACPI: Local APIC address c0000000fee00000
PLATFORM int CPEI (0x3): GSI 22 (level, low) -> CPU 0 (0xc618) vector 30
register_intr: changing vector 39 from IO-SAPIC-edge to IO-SAPIC-level
4 CPUs available, 4 CPUs total
MCA related initialization done
add_active_range(0, 16140901064512634880, 16140901066637049856): New
add_active_range(0, 16140901066641899520, 16140901066642489344): New
add_active_range(0, 16140901070938308608, 16140901073083760640): New
add_active_range(0, 16140901073084219392, 16140901073085480960): New
Dumping sorted node map
entry 0: 0 16140901064512634880 -> 16140901066637049856
entry 1: 0 16140901066641899520 -> 16140901066642489344
entry 2: 0 16140901070938308608 -> 16140901073083760640
entry 3: 0 16140901073084219392 -> 16140901073085480960
Virtual mem_map starts at 0x0000000000000000
SMP: Allowing 4 CPUs, 0 hotplug CPUs
Built 1 zonelists
Kernel command line: BOOT_IMAGE=scsi0:EFI\redhat\l-tiger-smpxx.gz root=LABEL=/ console=uart,io,0x2f8 ro
PID hash table entries: 16 (order: 4, 128 bytes)
Console: colour VGA+ 80x25
Dentry cache hash table entries: 1 (order: -11, 8 bytes)
Inode-cache hash table entries: 1 (order: -11, 8 bytes)
Placing software IO TLB between 0x4a84000 - 0x8a84000
kernel BUG at arch/ia64/mm/init.c:609!
swapper[0]: bugcheck! 0 [1]
Modules linked in:
Pid: 0, CPU 0, comm: swapper
psr : 00001010084a6010 ifs : 800000000000040f ip : [<a0000001007dd620>] Not tainted
ip is at mem_init+0x80/0x580
unat: 0000000000000000 pfs : 000000000000040f rsc : 0000000000000003
rnat: a00000010095fd80 bsps: 00000000000002f9 pr : 80000000afb5666b
ldrs: 0000000000000000 ccv : 0000000000000000 fpsr: 0009804c8a70433f
csd : 0930ffff00090000 ssd : 0930ffff00090000
b0 : a0000001007dd620 b6 : a0000001007f6ba0 b7 : a0000001003c27e0
f6 : 0fffbccccccccc8c00000 f7 : 0ffdbf300000000000000
f8 : 10001c000000000000000 f9 : 10002a000000000000000
f10 : 0fffe9999999996900000 f11 : 1003e0000000000000000
r1 : a000000100b460d0 r2 : 0000000000000000 r3 : a00000010095cba0
r8 : 000000000000002a r9 : a00000010095cb90 r10 : 00000000000002f9
r11 : 00000000000be000 r12 : a00000010080fe10 r13 : a000000100808000
r14 : 0000000000004000 r15 : a00000010095cba8 r16 : 0000000000000001
r17 : a00000010095cb98 r18 : ffffffffffffffff r19 : a00000010095fd88
r20 : 00000000000000be r21 : a00000010095bd50 r22 : 0000000000000000
r23 : a00000010095cbb8 r24 : a00000010087f7e8 r25 : a00000010087f7e0
r26 : a000000100946308 r27 : 00000010084a6010 r28 : 00000000000002f9
r29 : 00000000000002f8 r30 : 0000000000000000 r31 : a00000010095cb68
Unable to handle kernel NULL pointer dereference (address 0000000000000000)
swapper[0]: Oops 11012296146944 [2]
Modules linked in:
Pid: 0, CPU 0, comm: swapper
psr : 0000121008022018 ifs : 8000000000000287 ip : [<a000000100116b81>] Not tainted
ip is at kmem_cache_alloc+0x41/0x100
unat: 0000000000000000 pfs : 0000000000000793 rsc : 0000000000000003
rnat: 0000000000000000 bsps: 0000000000000000 pr : 80000000afb56967
ldrs: 0000000000000000 ccv : 0000000000000000 fpsr: 0009804c8a70033f
csd : 0930ffff00090000 ssd : 0930ffff00090000
b0 : a00000010003d820 b6 : a00000010003e600 b7 : a00000010000c9d0
f6 : 1003ea08f5c3b783104ea f7 : 1003e9e3779b97f4a7c16
f8 : 1003e0a0000001000117f f9 : 1003e000000000000007f
f10 : 1003e0000000000000379 f11 : 1003e6db6db6db6db6db7
r1 : a000000100b460d0 r2 : 0000000000000000 r3 : a000000100949240
r8 : 0000000000000000 r9 : 0000000000000000 r10 : 0000000000000000
r11 : a000000100808f14 r12 : a00000010080f260 r13 : a000000100808000
r14 : 0000000000000000 r15 : 000000000000000f r16 : a00000010080f2f0
r17 : 0000000000000000 r18 : a000000100876bd8 r19 : a00000010080f2ec
r20 : a00000010080f2e8 r21 : 000000007fffffff r22 : 0000000000000000
r23 : 0000000000000050 r24 : a0000001000117f0 r25 : a0000001000117a0
r26 : a000000100885480 r27 : a000000100946fb0 r28 : a00000010087df40
r29 : 0000000000000002 r30 : 0000000000000002 r31 : 00000000000000c0
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