----- Original Message -----
From: "Nicolas Pitre" <nico@xxxxxxxxxxx>
To: "Hemanth V" <hemanthv@xxxxxx>
Cc: <linux-mmc@xxxxxxxxxxxxxxx>; <pierre@xxxxxxxxx>
Sent: Wednesday, March 17, 2010 7:19 PM
Subject: Re: Highmem issues with MMC filesystem
On Wed, 17 Mar 2010, Hemanth V wrote:
Hi All,
We are trying to enable highmem support for OMAP based boards, while
doing so
we are
unable to boot poky UI if the filesystem is in a MMC card.
The poky UI comes up fine if the filesystem is in NAND or NFS,
while with MMC it gives errors like segmentation faults/syntax error
while
there are none.
Seems like read from MMC is getting corrupted.
Yes, this is a known issue with highmem on ARM architectures v6 and
later, related to some cache mishandling. This is not a MMC issue as
the problem occurs when booting from SATA too. The problem is still
investigated.
Nicolas, Russel are there any more details available which might help
in investigating this further.
Thanks
Hemanth
Nicolas
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