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Date: Fri, 23 Jan 2009 00:03:13 -0800 From: Yinghai Lu <yinghai@...nel.org> To: Tejun Heo <tj@...nel.org> CC: Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>, "H. Peter Anvin" <hpa@...or.com>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> Subject: Re: [Fwd: kernel panic when using disable_mtrr_trim [was: Re: memory beyond4GB invisible to the system even though CONFIG_HIGHMEM64G=y]] Yinghai Lu wrote: > Tejun Heo wrote: >> Hello, >> >> Yinghai Lu wrote: >>> current tip: >>> still got >>> >>> WARNING: Absolute relocations present >>> Offset Info Type Sym.Value Sym.Name >>> c14d21ef 00921101 R_386_32 c1514000 __per_cpu_load >> Hmm... weird. Can you please attach the .config file you used and the >> commit ID and the version of toolchain? I'll try to reproduce it >> here. >> > > my own config full, got that too > WARNING: Absolute relocations present > Offset Info Type Sym.Value Sym.Name > 40c22260 00d94801 R_386_32 40c7a000 __per_cpu_load > early panic Loading kernel.org/bzImage_2.6........................ Loading kernel.org/mydisk11_x86.gz..............................................Initializing cgroup subsys cpuset..................... Linux version 2.6.29-rc2-tip-00971-gee15b6b-dirty (yhlu@...ux-mstp) (gcc version 4.3.2 [gcc-4_3-branch revision 141291] (SUSE Linux) ) #437 SMP Thu Jan 22 23:57:39 PST 2009.................................................................... KERNEL supported cpus:.............................. Intel GenuineIntel AMD AuthenticAMD NSC Geode by NSC Cyrix CyrixInstead Centaur CentaurHauls Transmeta GenuineTMx86 Transmeta TransmetaCPU UMC UMC UMC UMC BIOS-provided physical RAM map: BIOS-e820: 0000000000000000 - 0000000000099800 (usable) BIOS-e820: 0000000000099800 - 00000000000a0000 (reserved) BIOS-e820: 00000000000e0000 - 0000000000100000 (reserved) BIOS-e820: 0000000000100000 - 00000000d7fa0000 (usable) BIOS-e820: 00000000d7fae000 - 00000000d7fb0000 (usable) BIOS-e820: 00000000d7fb0000 - 00000000d7fbe000 (ACPI data) BIOS-e820: 00000000d7fbe000 - 00000000d7ff0000 (ACPI NVS) BIOS-e820: 00000000d7ff0000 - 00000000d8000000 (reserved) BIOS-e820: 00000000e0000000 - 00000000f0000000 (reserved) BIOS-e820: 00000000fec00000 - 00000000fec01000 (reserved) BIOS-e820: 00000000fee00000 - 00000000fef00000 (reserved) BIOS-e820: 00000000ff700000 - 0000000100000000 (reserved) BIOS-e820: 0000000100000000 - 0000000228000000 (usable) Early serial console at I/O port 0x3f8 (options '115200n8') console [uart0] enabled DMI present. AMI BIOS detected: BIOS may corrupt low RAM, working it around. last_pfn = 0x228000 max_arch_pfn = 0x1000000 x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106 kernel direct mapping tables up to b79fe000 @ 10000-18000 NX (Execute Disable) protection: active RAMDISK: 7ea35000 - 7ffffe57 ACPI: RSDP 000FA570, 0014 (r0 ACPIAM) ACPI: RSDT D7FB0000, 005C (r1 SUN X4x40 52 MSFT 97) ACPI: FACP D7FB0200, 0084 (r2 SUN X4x40 52 MSFT 97) FADT: X_PM1a_EVT_BLK.bit_width (16) does not match PM1_EVT_LEN (4) ACPI: DSDT D7FB05D0, 7EB4 (r1 SUN X4x40 52 INTL 20051117) ACPI: FACS D7FBE000, 0040 ACPI: APIC D7FB0390, 00EC (r1 SUN X4x40 52 MSFT 97) ACPI: SPCR D7FB0480, 0050 (r1 SUN X4x40 52 MSFT 97) ACPI: MCFG D7FB04D0, 003C (r1 SUN OEMMCFG 52 MSFT 97) ACPI: SLIT D7FB0540, 003C (r1 SUN OEMSLIT 52 MSFT 97) ACPI: SPMI D7FB0580, 0041 (r1 SUN OEMSPMI 52 MSFT 97) ACPI: OEMB D7FBE040, 00AE (r1 SUN X4x40 52 MSFT 97) ACPI: SRAT D7FB8490, 0220 (r1 AMD FAM_F_10 2 AMD 1) ACPI: HPET D7FB86B0, 0038 (r1 SUN OEMHPET0 52 MSFT 97) ACPI: EINJ D7FB86F0, 0130 (r1 AMIER AMI_EINJ 10000815 MSFT 97) ACPI: BERT D7FB8880, 0030 (r1 AMIER AMI_BERT 10000815 MSFT 97) ACPI: ERST D7FB88B0, 01B0 (r1 AMIER AMI_ERST 10000815 MSFT 97) ACPI: HEST D7FB8A60, 00A8 (r1 AMIER AMI_HEST 10000815 MSFT 97) ACPI: SSDT D7FB8B10, 21C4 (r1 A M I POWERNOW 1 AMD 1) ACPI: Local APIC address 0xfee00000 CPU 04 in proximity domain 00 CPU 05 in proximity domain 00 CPU 06 in proximity domain 00 CPU 07 in proximity domain 00 CPU 08 in proximity domain 01 CPU 09 in proximity domain 01 CPU 0a in proximity domain 01 CPU 0b in proximity domain 01 CPU 0c in proximity domain 02 CPU 0d in proximity domain 02 CPU 0e in proximity domain 02 CPU 0f in proximity domain 02 CPU 10 in proximity domain 03 CPU 11 in proximity domain 03 CPU 12 in proximity domain 03 CPU 13 in proximity domain 03 Memory range 00000000 to 000000a0 in proximity domain 00 enabled Memory range 00000100 to 00080000 in proximity domain 00 enabled Memory range 00080000 to 000d8000 in proximity domain 01 enabled Memory range 00100000 to 00128000 in proximity domain 01 enabled Memory range 00128000 to 001a8000 in proximity domain 02 enabled Memory range 001a8000 to 00228000 in proximity domain 03 enabled ACPI: SLIT: nodes = 4 10 13 13 16 13 10 16 13 13 16 10 13 16 13 13 10 Scan SMP from 40000000 for 1024 bytes. Scan SMP from 4009fc00 for 1024 bytes. Scan SMP from 400f0000 for 65536 bytes. found SMP MP-table at [400ff780] 000ff780 pxm bitmap: 0f 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Number of logical nodes in system = 4 Number of memory chunks in system = 6 chunk 0 nid 0 start_pfn 00000000 end_pfn 000000a0 Adding active range (0, 0x10, 0x99) 0 entries of 3200 used chunk 1 nid 0 start_pfn 00000100 end_pfn 00080000 Adding active range (0, 0x100, 0x80000) 1 entries of 3200 used chunk 2 nid 1 start_pfn 00080000 end_pfn 000d8000 Adding active range (1, 0x80000, 0xd7fa0) 2 entries of 3200 used Adding active range (1, 0xd7fae, 0xd7fb0) 3 entries of 3200 used chunk 3 nid 1 start_pfn 00100000 end_pfn 00128000 Adding active range (1, 0x100000, 0x128000) 4 entries of 3200 used chunk 4 nid 2 start_pfn 00128000 end_pfn 001a8000 Adding active range (2, 0x128000, 0x1a8000) 5 entries of 3200 used chunk 5 nid 3 start_pfn 001a8000 end_pfn 00228000 Adding active range (3, 0x1a8000, 0x228000) 6 entries of 3200 used node 0 pfn: [0 - 80000] Reserving 4608 pages of KVA for lmem_map of node 0 at 7d800 Removing active range (0, 0x7d800, 0x7ea00) Adding active range (0, 0x7ea00, 0x80000) 7 entries of 3200 used node 1 pfn: [80000 - 128000] Reserving 5632 pages of KVA for lmem_map of node 1 at 126a00 Removing active range (1, 0x126a00, 0x128000) node 2 pfn: [128000 - 1a8000] Reserving 4608 pages of KVA for lmem_map of node 2 at 1a6e00 Removing active range (2, 0x1a6e00, 0x1a8000) node 3 pfn: [1a8000 - 228000] Reserving 4608 pages of KVA for lmem_map of node 3 at 226e00 Removing active range (3, 0x226e00, 0x228000) Reserving total of 4c00 pages for numa KVA remap kva_start_pfn ~ 80000 max_low_pfn ~ b79fe max_pfn = 228000 5894MB HIGHMEM available. 2937MB LOWMEM available. max_low_pfn = b79fe, highstart_pfn = b79fe Low memory ends at vaddr f79fe000 node 0 will remap to vaddr c0000000 - c1200000 allocate_pgdat: node 0 NODE_DATA c0000000 node 1 will remap to vaddr c1200000 - c2800000 allocate_pgdat: node 1 NODE_DATA c1200000 node 2 will remap to vaddr c2800000 - c3a00000 allocate_pgdat: node 2 NODE_DATA c2800000 node 3 will remap to vaddr c3a00000 - c4c00000 allocate_pgdat: node 3 NODE_DATA c3a00000 remap_numa_kva: node 0 remap_numa_kva: c0000000 to pfn 0007d800 remap_numa_kva: c0200000 to pfn 0007da00 remap_numa_kva: c0400000 to pfn 0007dc00 remap_numa_kva: c0600000 to pfn 0007de00 remap_numa_kva: c0800000 to pfn 0007e000 remap_numa_kva: c0a00000 to pfn 0007e200 remap_numa_kva: c0c00000 to pfn 0007e400 remap_numa_kva: c0e00000 to pfn 0007e600 remap_numa_kva: c1000000 to pfn 0007e800 remap_numa_kva: node 1 remap_numa_kva: c1200000 to pfn 00126a00 remap_numa_kva: c1400000 to pfn 00126c00 remap_numa_kva: c1600000 to pfn 00126e00 remap_numa_kva: c1800000 to pfn 00127000 remap_numa_kva: c1a00000 to pfn 00127200 remap_numa_kva: c1c00000 to pfn 00127400 remap_numa_kva: c1e00000 to pfn 00127600 remap_numa_kva: c2000000 to pfn 00127800 remap_numa_kva: c2200000 to pfn 00127a00 remap_numa_kva: c2400000 to pfn 00127c00 remap_numa_kva: c2600000 to pfn 00127e00 remap_numa_kva: node 2 remap_numa_kva: c2800000 to pfn 001a6e00 remap_numa_kva: c2a00000 to pfn 001a7000 remap_numa_kva: c2c00000 to pfn 001a7200 remap_numa_kva: c2e00000 to pfn 001a7400 remap_numa_kva: c3000000 to pfn 001a7600 remap_numa_kva: c3200000 to pfn 001a7800 remap_numa_kva: c3400000 to pfn 001a7a00 remap_numa_kva: c3600000 to pfn 001a7c00 remap_numa_kva: c3800000 to pfn 001a7e00 remap_numa_kva: node 3 remap_numa_kva: c3a00000 to pfn 00226e00 remap_numa_kva: c3c00000 to pfn 00227000 remap_numa_kva: c3e00000 to pfn 00227200 remap_numa_kva: c4000000 to pfn 00227400 remap_numa_kva: c4200000 to pfn 00227600 remap_numa_kva: c4400000 to pfn 00227800 remap_numa_kva: c4600000 to pfn 00227a00 remap_numa_kva: c4800000 to pfn 00227c00 remap_numa_kva: c4a00000 to pfn 00227e00 High memory starts at vaddr f79fe000 mapped low ram: 0 - b79fe000 low ram: 00000000 - b79fe000 bootmap 00011000 - 00027f40 Pid: 0, comm: swapper Not tainted 2.6.29-rc2-tip-00971-gee15b6b-dirty #437 Call Trace: [<40c32ecd>] ? mark_bootmem_node+0x44/0x7d [<40c33001>] ? free_bootmem_node+0x20/0x24 [<40c33c1a>] ? free_bootmem_with_active_regions+0x63/0x94 [<40c2e181>] ? setup_bootmem_allocator+0xe4/0x12e [<40c2f25c>] ? initmem_init+0x617/0x629 [<40c3a7be>] ? acpi_table_parse+0x66/0x6f [<40c219aa>] ? setup_arch+0x756/0x957 [<40240e44>] ? up+0x2b/0x2f [<40c23ee1>] ? __reserve_early+0xe4/0xf8 [<40c1b59f>] ? start_kernel+0x6d/0x2d6 [<40c1b085>] ? __init_begin+0x85/0x8d it seems we get lost with 32bit... 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