Hi jeff,

Fantastic ! It works :-)
Thanks a lot

How do you have found this solution ?
I have read the troubleshooting section on user-mode-linux.sourceforge.net 
website, but your solution doesn't appear anywhere.

Best regards, Fred

-----Message d'origine-----
De : Jeff Dike [mailto:[EMAIL PROTECTED] 
Envoyé : jeudi 19 juillet 2007 15:33
À : FOUCHECOURT FREDERIC
Cc : user-mode-linux-user@lists.sourceforge.net
Objet : Re: [uml-user] Conflict between UML kernel and RHEL4U4 native kernel

On Thu, Jul 19, 2007 at 01:20:20PM +0200, FOUCHECOURT FREDERIC wrote:
> Creating "/tmp/fed1.cow" as COW file for "Fedora7-x86-root_fs"
>  ubda: unknown partition table
> kjournald starting.  Commit interval 5 seconds
> EXT3-fs: mounted filesystem with ordered data mode.
> VFS: Mounted root (ext3 filesystem) readonly.
> Kernel panic - not syncing: Operation too long

This is fixed in current mainline:

Index: linux-2.6.17/arch/um/drivers/ubd_kern.c
===================================================================
--- linux-2.6.17.orig/arch/um/drivers/ubd_kern.c        2007-07-09 
08:53:09.000000000 -0400
+++ linux-2.6.17/arch/um/drivers/ubd_kern.c     2007-07-09 18:08:33.000000000 
-0400
@@ -712,6 +712,8 @@ static int ubd_add(int n, char **error_o
        ubd_dev->queue->queuedata = ubd_dev;
 
        blk_queue_max_hw_segments(ubd_dev->queue, MAX_SG);
+       if(ubd_dev->cow.file != NULL)
+               blk_queue_max_sectors(ubd_dev->queue, 8 * sizeof(long));
        err = ubd_disk_register(MAJOR_NR, ubd_dev->size, n, &ubd_gendisk[n]);
        if(err){
                *error_out = "Failed to register device";

--
Work email - jdike at linux dot intel dot com

-------------------------------------------------------------------------
This SF.net email is sponsored by: Microsoft
Defy all challenges. Microsoft Visual Studio 2005.
http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
_______________________________________________
User-mode-linux-user mailing list
User-mode-linux-user@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/user-mode-linux-user

Reply via email to