Messages in this thread | | | Date | Mon, 05 Jan 2009 14:31:48 -0800 | From | Yinghai Lu <> | Subject | Re: early exception error |
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Yinghai Lu wrote: > david@lang.hm wrote: >> On Mon, 5 Jan 2009, Yinghai Lu wrote: >> >>> Can you send out boot log with working kernel before 2.6.28? >>> >>> need to look at the e820 table. >> >> here is the 32 bit kernel I'm running now (from dmesg ) >> >> Linux version 2.6.25.14 (root@dlang) (gcc version 3.3.6) #1 SMP PREEMPT >> Mon Aug 4 18:22:50 PDT 2008 >> BIOS-provided physical RAM map: >> BIOS-e820: 0000000000000000 - 000000000009fc00 (usable) >> BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved) >> BIOS-e820: 00000000000e0000 - 0000000000100000 (reserved) >> BIOS-e820: 0000000000100000 - 000000004cff0000 (usable) >> BIOS-e820: 000000004cff0000 - 000000004cfff000 (ACPI data) >> BIOS-e820: 000000004cfff000 - 000000004d000000 (ACPI NVS) >> BIOS-e820: 00000000ff780000 - 0000000100000000 (reserved) >> BIOS-e820: 0000000100000000 - 0000000180000000 (usable) >> Warning only 4GB will be used. >> Use a HIGHMEM64G enabled kernel. >> 3200MB HIGHMEM available. >> 896MB LOWMEM available. >> Scan SMP from c0000000 for 1024 bytes. >> Scan SMP from c009fc00 for 1024 bytes. >> Scan SMP from c00f0000 for 65536 bytes. >> found SMP MP-table at [c00ff780] 000ff780 >> Entering add_active_range(0, 0, 1048576) 0 entries of 256 used >> Zone PFN ranges: >> DMA 0 -> 4096 >> Normal 4096 -> 229376 >> HighMem 229376 -> 1048576 >> Movable zone start PFN for each node >> early_node_map[1] active PFN ranges >> 0: 0 -> 1048576 >> On node 0 totalpages: 1048576 >> DMA zone: 32 pages used for memmap >> DMA zone: 0 pages reserved >> DMA zone: 4064 pages, LIFO batch:0 >> Normal zone: 1760 pages used for memmap >> Normal zone: 223520 pages, LIFO batch:31 >> HighMem zone: 6400 pages used for memmap >> HighMem zone: 812800 pages, LIFO batch:31 >> Movable zone: 0 pages used for memmap > > > BIOS-provided physical RAM map: > BIOS-e820: 0000000000000000 - 000000000009fc00 (usable) > BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved) > BIOS-e820: 00000000000e0000 - 0000000000100000 (reserved) > BIOS-e820: 0000000000100000 - 000000004cff0000 (usable) > BIOS-e820: 000000004cff0000 - 000000004cfff000 (ACPI data) > BIOS-e820: 000000004cfff000 - 000000004d000000 (ACPI NVS) > BIOS-e820: 00000000ff780000 - 0000000100000000 (reserved) > BIOS-e820: 0000000100000000 - 0000000180000000 (usable) > > and for pci mem route: node0 [0, 2g), node1 is [4g, 6g) > > and e820 said only 3g can be used... [0, 1g), and [4g, 6g) > > please check if you can change HW memhole setup to 3g instead 2g. in BIOS, to get 1g back.
YH
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