[LinuxBIOS] filo ide speedup patch!

Ward Vandewege ward at gnu.org
Thu Apr 5 20:30:48 CEST 2007


On Thu, Apr 05, 2007 at 07:18:49PM +0200, Peter Stuge wrote:
> > > And if you do a rebuild, please set only DEBUG_BLOCKDEV, _IDE and
> > > _EXT2 rather than _ALL to make the debug output more readable.
> > 
> > See attached output. I don't see much debug output at all now.
> 
> But it's enough, I found a bug that is biting.
> 
> 
> > Booting 'hde1:/boot/vmlinuz-2.6.21-rc3 root=/dev/sda1 ro apic=debug acpi_dbg_le
> > vel=0xffffffff pci=noacpi,routeirq snd-hda-intel.enable_msi=1 console=tty0 cons
> > ole=ttyS0,115200'
> > devopen: already open
> > devopen: already open
> > Found Linux version 2.6.21-rc3 (root at neuromancer) #1 SMP PREEMPT Mon Mar 12 15:10:47 EDT 2007 bzImage.
> > Loading kernel...  10 consecutive blocks  43910301 - 43910310  len=1905267 ret=512
> > Can't read kernel
> 
> The kernel started 512 bytes into the 1024 bytes ext2fs block, but I
> didn't clear the offset after reading the first (partial) block and
> multiple sectors can't be read with non-zero offset.
> 
> New patch with bug fixed and more debugging output is attached.

OK, output attached - it got further this time, but not far enough. Note that
there were a few extra lines on the screen that were not present on the
serial console:

----------------------------------------------------
.
Decompressing Linux...

invalid compressed format (err=2)

 -- System halted
----------------------------------------------------

Thanks,
Ward.

-- 
Ward Vandewege <ward at fsf.org>
Free Software Foundation - Senior System Administrator
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