Re: [uml-user] possible data corruption with uml guest 2.6.32

[Janjaap B. <ja...@bo...>]

On Sat, 2010-03-13 at 11:37 +0100, Matthias Rieber wrote:
> Hi,
> 
> I tried the kernel 2.6.33 and I still have the data corruption problems. 
> When I remount the partition with the sync option and repeat the test, 
> all files seem to be intact. I'm using an ext3 filesystem on a lvm 
> volume for my UMLs.
> 
> matthias
> 

I traced down the problem to the sector handling in ubd. There is a bug
in the ubd driver handling of multi sector requests. I added code to
restrict block requests to one sector (512 bytes) only. See attached
revised diff against 2.6.33.

-Janjaap