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SubjectRe: 2.6.28 git: WARNING: at arch/x86/kernel/cpu/mtrr/generic.c:404 generic_get_mtrr+0xea/0x120()
On Sat, Nov 22, 2008 at 12:44 PM, Rafael J. Wysocki <rjw@sisk.pl> wrote:
> On Thursday, 20 of November 2008, Dmitry Nezhevenko wrote:
>> Hi folks. This is first time I've tried 2.6.28-git (cloned git a few hours ago).
>> And got this:
>>
>> [ 0.000000] BIOS-provided physical RAM map:
>> [ 0.000000] BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)
>> [ 0.000000] BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved)
>> [ 0.000000] BIOS-e820: 00000000000e0000 - 0000000000100000 (reserved)
>> [ 0.000000] BIOS-e820: 0000000000100000 - 000000007ffd0000 (usable)
>> [ 0.000000] BIOS-e820: 000000007ffd0000 - 000000007ffde000 (ACPI data)
>> [ 0.000000] BIOS-e820: 000000007ffde000 - 0000000080000000 (ACPI NVS)
>> [ 0.000000] BIOS-e820: 00000000fec00000 - 00000000fec01000 (reserved)
>> [ 0.000000] BIOS-e820: 00000000fee00000 - 00000000fef00000 (reserved)
>> [ 0.000000] BIOS-e820: 00000000fff80000 - 0000000100000000 (reserved)
>> [ 0.000000] DMI present.
>> [ 0.000000] AMI BIOS detected: BIOS may corrupt low RAM, working it around.
>> [ 0.000000] last_pfn = 0x7ffd0 max_arch_pfn = 0x100000
>> [ 0.000000] x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106
>> [ 0.000000] ------------[ cut here ]------------
>> [ 0.000000] WARNING: at arch/x86/kernel/cpu/mtrr/generic.c:404 generic_get_mtrr+0xea/0x120()
>> [ 0.000000] mtrr: your BIOS has set up an incorrect mask, fixing it up.
>> [ 0.000000] Modules linked in:
>> [ 0.000000] Pid: 0, comm: swapper Not tainted 2.6.28-rc5 #1
>> [ 0.000000] Call Trace:
>> [ 0.000000] [<c012b86f>] warn_slowpath+0x6f/0x90
>> [ 0.000000] [<c0373031>] inet_rtm_newroute+0x21/0x50
>> [ 0.000000] [<c02593c4>] number+0x2b4/0x2c0
>> [ 0.000000] [<c0259ff3>] vsnprintf+0x393/0x670
>> [ 0.000000] [<c0144fd1>] up+0x11/0x40
>> [ 0.000000] [<c012c069>] release_console_sem+0x189/0x1d0
>> [ 0.000000] [<c01124da>] generic_get_mtrr+0xea/0x120
>> [ 0.000000] [<c04db85f>] mtrr_trim_uncached_memory+0x7d/0x374
>> [ 0.000000] [<c03a569a>] printk+0x17/0x1b
>> [ 0.000000] [<c011edbc>] pat_init+0x7c/0xa0
>> [ 0.000000] [<c01129ac>] post_set+0x1c/0x50
>> [ 0.000000] [<c03a569a>] printk+0x17/0x1b
>> [ 0.000000] [<c04d7b52>] e820_end_pfn+0xb5/0xd3
>> [ 0.000000] [<c04d6016>] setup_arch+0x518/0x802
>> [ 0.000000] [<c04d8cc7>] reserve_early_overlap_ok+0x3f/0x47
>> [ 0.000000] [<c04cf5dc>] start_kernel+0x58/0x334
>> [ 0.000000] ---[ end trace 4eaa2a86a8e2da22 ]---
>> [ 0.000000] kernel direct mapping tables up to 377fe000 @ 10000-16000
>>
>> Can I just ignore this?

can we get whole boot message? also cat /proc/mtrr

YH


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