Re: [PATCH] Workaround for usb boot failure on some mainboards

2010-09-22 Thread Vladimir 'φ-coder/phcoder' Serbinenko
On 09/22/2010 05:45 PM, Thomas Frauendorfer | Miray Software wrote: > Hi, > > On some boards, like the AsRock K7S41GX, Grub fails to boot from > superfloppy fat32 formated usb sticks. > This config isn't recommended in first place. You should really create partitions on the USB disk and leave some

Re: [PATCH] Workaround for usb boot failure on some mainboards

2010-09-22 Thread Thomas Frauendorfer
On Wed, Sep 22, 2010 at 7:45 PM, Lennart Sorensen wrote: > On Wed, Sep 22, 2010 at 06:52:46PM +0200, Thomas Frauendorfer wrote: >> Well, I think I didn't state the problem clearly enough: >> The bios doesn't write to the disk, it just changes the value on the >> fly when the bootloader is reading

Re: [PATCH] Workaround for usb boot failure on some mainboards

2010-09-22 Thread Lennart Sorensen
On Wed, Sep 22, 2010 at 06:52:46PM +0200, Thomas Frauendorfer wrote: > Well, I think I didn't state the problem clearly enough: > The bios doesn't write to the disk, it just changes the value on the > fly when the bootloader is reading the bpb through a bios method. > The workaroud also doesn't cha

Re: [PATCH] Workaround for usb boot failure on some mainboards

2010-09-22 Thread Thomas Frauendorfer
On Wed, Sep 22, 2010 at 6:14 PM, Lennart Sorensen wrote: > Wouldn't that be a bug in the BIOS?  Don't go writing to a drive you > don't know what contains.  It could be something other tahn fat16 after > all (what if it was a linux kernel with a bootheader on it and not a > filesystem at all?) >

Re: [PATCH] Workaround for usb boot failure on some mainboards

2010-09-22 Thread Lennart Sorensen
On Wed, Sep 22, 2010 at 05:45:34PM +0200, Thomas Frauendorfer | Miray Software wrote: > On some boards, like the AsRock K7S41GX, Grub fails to boot from > superfloppy fat32 formated usb sticks. > > The reason for the boot failure is that the bios of the mentioned > board replaces byte 0x24