SODIMM DDR3 Synchronous 1600 MHz (0.6 ns) - vendor: 8502 - *BAD*gran_size,

[Istimsak Abdulbasir]

Isn't gran_size=64k equivalent to highlevel memory that the BIOS keeps for
itself?


On Mon, Apr 15, 2013 at 12:03 PM, Nicholas Skaggs <
nicholas.skaggs at canonical.com> wrote:

>  Vasudevan, definitely something funny with your RAM (or POSSIBLY a bug
> with memtest). Do you notice anything funny while running the system? In
> general after getting errors like that I would reseat my memory sticks and
> see if they go away :-) Running memtest of course is also a good idea.
>
>
> Nicholas
>
>
> On 04/15/2013 11:57 AM, Vasudevan Kottilil wrote:
>
> Seeing this on both quantal and raring beta2 on a brand new laptop from
> system76 (gazelle pro) after my previous desktop died mysteriously.
> While booting it reports these messages
>
> [    0.000000] *BAD*gran_size: 64K     chunk_size: 16M     num_reg: 10
>     lose cover RAM: -8M
> [    0.000000] *BAD*gran_size: 64K     chunk_size: 32M     num_reg: 10
>     lose cover RAM: -8M
> [    0.000000] *BAD*gran_size: 64K     chunk_size: 64M     num_reg: 10
>     lose cover RAM: -8M
> [    0.000000]  gran_size: 64K     chunk_size: 128M     num_reg: 10
> lose cover RAM: 0G
> [    0.000000]  gran_size: 64K     chunk_size: 256M     num_reg: 10
> lose cover RAM: 0G
> [    0.000000]  gran_size: 64K     chunk_size: 512M     num_reg: 10
> lose cover RAM: 0G
> [    0.000000]  gran_size: 64K     chunk_size: 1G     num_reg: 10
> lose cover RAM: 0G
> [    0.000000] *BAD*gran_size: 64K     chunk_size: 2G     num_reg: 10
> lose cover RAM: -1G
> [    0.000000]
>
> Do these indicate a h/w defect? Before installing raring beta2, memtest
> reported lot of errors and I killed it after the count went past a million
> After installing raring iso, memtest ran over night with out errors (shows
> 'pass'). Does installing new version of iso upgrade the memtest version
> also?
> Vasudevan Kottilil
>
>
>
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