Mailinglist Archive: opensuse-arm (74 mails)

[Guillaume Gardet <guillaume.gardet@xxxxxxx>]

Le 26/02/2012 21:11, Arnd Bergmann a écrit :
> On Sunday 26 February 2012, Alexander Graf wrote:
> > On 26.02.2012, at 10:25, Arnd Bergmann wrote:
> >
> > > On Saturday 25 February 2012, Marcus Schäfer wrote:
> > > > The start sectors are aligned to be %8 clean and the to the cylinder
> > > > boundary. So far I did not had any trouble with that setup on 4G
> > > > SD cards (did not try on 8G cards though). For MLO loading I think
> > > > only the start address might matter... not sure
> > > Aligning to 8 sectors is not going to help at all, that is much
> > > smaller than the normal erase block size (4MB) and also smaller
> > > than typical page sizes (8kb or 16kb). If you want good performance,
> > > you should always align to 4MB or more. Using the regular
> > > geometry (255/63/1024), that will never be cylinder aligned,
> > > which is ok. Don't try to do cylinder alignment.
> > Hrm - does that also have any implications on not being able to boot from 
> > the beagleboard? :)

I tried the beagle image of today and it does not help.

fdisk output: (only the end of 2nd partition seems to have moved and is no more 
Linux LVM type but Linux type)

***********************************************************

Disk /dev/sdb: 3941 MB, 3941597184 bytes
122 heads, 62 sectors/track, 1017 cylinders, total 7698432 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x929ea0a6

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1   *        2048      309247      153600   83  Linux
/dev/sdb2          309248     1368063      529408   83  Linux

***********************************************************



> >
> I only know of one bug on beagleboard where an old xloader
> requires the boot partition to start at sector 63 independent
> of the geometry. It is well possible that there are other bugs though.
Which x-loader is currently used for openSUSE?

Guillaume


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