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SubjectRe: Trouble shooting a ten minute boot delay (SiI3112)
2005/8/12, Steven Rostedt <>:
> Is the keyboard ever set up then? This is all happening before
> console_init (since that's when the prints start) and the early printk
> won't show anything before it parses the options. For other
> architectures, I use to write out to the serial really early, just an
> 'x'. If you know how to do that, you could give it a try. Start at
> start_kernel in main hopefully you see the 'x'. If you do, keep moving
> it until you find where it's delaying. Of course, this could be before
> start_kernel, then you're really screwed, unless you're good at doing
> the same in assembly (which I've done for MIPS, PPC and ARM, but never
> for x86).

Since each reboot takes ten minutes, this would be a tedious process.
Thanks for the suggestion though.

> > I compiled a vanilla kernel, enabled EARLY_PRINTK and
> > rebooted with earlyprintk=vga. The kernel didn't display any extra
> > information before the delay.
> Do you see grub saying "uncompressing kernel..." or whatever that says?

Grub says...

root (hd2,2)
Filesystem type is ext2fs, partition type 0x83
kernel /boot/vmlinuz- root=/dev/md0 ro nodma
[Linux-bzImage, setup=0x1e00, size=0x1302ff]

I suspect this second message is where grub decompresses the kernel.
The last message grub displays is simply...


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