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Re: [Xen-devel] weird memory access problem running on dom0



yeah, at last we found it's specific to glibc memset implementation, which is optimized with sse instructions.

thank you all for any advices.


regards,
wanjia


2013/10/31 George Dunlap <George.Dunlap@xxxxxxxxxxxxx>
On Wed, Oct 23, 2013 at 5:36 AM, Alice Wan <wanjia19870902@xxxxxxxxx> wrote:
> well, no balloon, command line has dom0_mem=
>
> no any useful dmesg, xm dmesg
>
> kernel haven't config DEBUG
>
> and maybe if we open DEBUG, this problem can't be reproduced.
>
> has any ideas about pte_flags ?
>
> some info about mtrr
>
> reg00: base=0x0ffc00000 ( 4092MB), size=    4MB, count=1: write-protect
> reg01: base=0x080000000 ( 2048MB), size= 1024MB, count=1: uncachable
> reg02: base=0x0c0000000 ( 3072MB), size=  512MB, count=1: uncachable
> reg03: base=0x0e0000000 ( 3584MB), size=  256MB, count=1: uncachable
> reg04: base=0x0f0000000 ( 3840MB), size=  128MB, count=1: uncachable
> reg05: base=0x0f8000000 ( 3968MB), size=   64MB, count=1: uncachable
> reg06: base=0x0fc000000 ( 4032MB), size=   32MB, count=1: uncachable
> reg07: base=0x0fec00000 ( 4076MB), size=    4MB, count=1: uncachable

Any updates on this?

 -George

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