RE: [microblaze-uclinux]Problems mounting Xilinx SysAce

["Hansen Eric" <hansen@xxxxxxxxxxxxxxxxxxxx>]

Dear Alfred,

there seems to be some problem with your partition table:

> Partition check:
>  xsysacea: unknown partition table

Just to check, whether some partions where detected or not,
you may also have an look at /proc/partitions.

In my case it looks something like:

/> cat /proc/partitions
major minor  #blocks  name     rio rmerge rsect ruse wio wmerge wsect wuse running use aveq

 254     0     250880 xsysacea 117 17 138 1150 4 0 4 100 0 1200 1250
 254     1      33008 xsysacea1 38 0 38 250 0 0 0 0 0 250 250
 254     2       8448 xsysacea2 0 0 0 0 0 0 0 0 0 0 0
 254     3       8448 xsysacea3 0 0 0 0 0 0 0 0 0 0 0
 254     4     200960 xsysacea4 78 14 92 860 4 0 4 100 0 910 960

We have been using a CF card with 4 partions on it
and it worked well. I always used fdisk to create
the partition table. With fdisk a created a new
empty msdos partition table (command o) and within
that created the 4 primary partitions.

Cheers
Erik

****************************
Erik Hansen
SHF Communication Technologies AG
Wilhelm-von-Siemens-Str. 23D
12277 Berlin
Germany
phone: +49 (30) 77 20 51 0
fax  : +49 (30) 75 31 07 8
****************************
 

> -----Original Message-----
> From: owner-microblaze-uclinux@itee.uq.edu.au 
> [mailto:owner-microblaze-uclinux@itee.uq.edu.au] On Behalf Of 
> Alfred Grünewald
> Sent: Sunday, February 20, 2005 1:57 PM
> To: microblaze-uclinux@itee.uq.edu.au
> Subject: [microblaze-uclinux]Problems mounting Xilinx SysAce
> 
> 
> Hi to all,
>  
> I added a Xilinx Sys-Ace-controller to my system (very 
> similar to MB-Vanilla). I know that the hardware works fine, 
> because I load my FPGA configuration out of the Compact Flash 
> card and I wrote a bootloader program to load uClinux from 
> the card aswell.
>  
> I now also would like to use the Compact Flash card under 
> uClinux to store measurement data. Therefor I enabled in 
> menuconfig the xilinx SYS ACE, DOS FAT fs support and MSDOS 
> fs support. 
>  
> the system boots normal and in my bootlog I now see:
>  
> Initializing SystemAce driver
> Partition check:
>  xsysacea: unknown partition table
> System ACE at 0xFFFE0400 mapped to 0xFFFE0400, irq=4, 125440KB
>  
> if I now try to mount the Compact Flash Card with
> mount -t msdos /dev/xsysacea0 /mnt
> the system hang and only a restart helps. 
>  
> I traced this through /busybox/mount.c downto an extern 
> subroutine call
>  mount(/dev/xsysacea0, /mnt, msdos, C0ED0000,.) from where it 
> never returns.
> I don't  find this subroutine, where is it hidden?
>  
> Does anyone use allready the Sys Ace System?
>  Any help is welcome!
>  
> Regards
>  
> Alfred
> 
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