Re: 2.6.20.6 vanilla does't boot

[Len Brown <lenb@kernel.org>]

On Sunday 15 April 2007 11:50, Michal Jaegermann wrote:
> On Fri, Apr 13, 2007 at 03:38:18PM +0400, Denis Kirjanov wrote:
> > I updated the BIOS to the latest version, but the problem persists.
> > Boots option pci = noacpi not solved the problem. Reporting bios bug
> > disappears when setting pci = nommconf, But the kernel is still not
> > loaded (

The 2.6.15 dmesg do not give any clues to why 2.6.20.6 would not boot.
Can you boot 2.6.20.6 with "debug" and capture the serial console log,
or take a photo of what is on the screen when the boot hangs?

Did anything between 2.6.15 and 2.6.20.6 work properly?
Can you bisect where the failure started?

> On x86_64 hardware using ata_piix I was unable to boot kernels
> based on the current 2.6.20.x either.  Regardless of extra kernel
> parameters used I was getting consistently 'hdc: lost interrupt',
> and/or similar and after something like that the whole machine
> was dead.  The only differences were if I could still reboot
> from a keyboard or if I really have to pull a plug.
> 
> A kernel derived from 2.6.21-rc6-git1 (2.6.20-1.3053.fc7.x86_64 from
> Fedora "rawhide" to be more precise) did boot on the hardware in
> question, though; but only when I gave it 'acpi=off'.  Without that
> parameter it was getting stuck apparently when starting hotplug.
> In that kernel case disks were accessed using pata_atiixp driver.

If "acpi=off" is necessary to boot the latest kernel, please
report an ACPI bug:
http://bugzilla.kernel.org/enter_bug.cgi?product=ACPI
Please mention in the bug report what the latest working kernel was.

thanks,
-Len

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