Date: Wed, 16 Jun 2010 07:55:27 -0400 From: John Baldwin <jhb@freebsd.org> To: freebsd-stable@freebsd.org Cc: Lystopad Olexandr <laa@laa.zp.ua> Subject: Re: 7.3-STABLE acpi and mpt problems? Message-ID: <201006160755.27451.jhb@freebsd.org> In-Reply-To: <20100616111409.GP6319@cemu.ru> References: <20100616111409.GP6319@cemu.ru>
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On Wednesday 16 June 2010 7:14:09 am Lystopad Olexandr wrote: > > Hi! > > I have FreeBSD 7.3-STABLE on Biostar 945GC-M4 motherboard. > When I boot with custom kernel it fail to boot on ACPI. FreeBSD box > do not respond to any key. But it successfully boots with button 2 > from boot menu (without acpi). > > Then I try to boot with GENERIC. Success! Ok, I try comment > out one-by-one devices in GENERIC, rebuild and install kernel, > and try to boot. My custom kernel boot fine until I comment > out mpt device in kernel, but it successfully boots without > acpi (button 2 on boot menu). I have no mpt devices in > this box. When I insert "device mpt" back to the kernel it boots > successfully. > > Why acpi depends on device mpt? Why this server do not boot without > this device? How does it fail to boot in the non-mpt case? Does it hang, does it panic? If it hangs, can you break into DDB and capture the output of 'ps' and a stack trace? (A serial console is probably useful for this.) -- John Baldwin
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