Date: Fri, 18 Jun 2010 11:25:07 +0300 From: Andriy Gapon <avg@icyb.net.ua> To: Lystopad Olexandr <laa@laa.zp.ua> Cc: freebsd-stable@freebsd.org Subject: Re: 7.3-STABLE acpi and mpt problems? Message-ID: <4C1B2D63.6070902@icyb.net.ua> In-Reply-To: <20100618070637.GZ6319@cemu.ru> References: <20100616111409.GP6319@cemu.ru> <201006160755.27451.jhb@freebsd.org> <20100618070637.GZ6319@cemu.ru>
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on 18/06/2010 10:06 Lystopad Olexandr said the following: > Hello, John Baldwin! > > On Wed, Jun 16, 2010 at 07:55:27AM -0400 > jhb@freebsd.org wrote about "Re: 7.3-STABLE acpi and mpt problems?": >> 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, thank you very much for your answer. > Sorry for delay. > > My freebsd box fails to boot after detecting CPU and memory. It > simply hang. I think this is too early to run ddb or somethig else. > > Also, similar problem with this device I detect on two remote bsd > servers in production. After insert mpt device into kernel, that > servers begin boots fine. Can you please produce _verbose_ dmesg for booting with acpi+mpt and no acpi, no mpt? And also, _verbose_ dmesg of acpi and !mpt. You can capture the latter with serial console. If you don't have it, try to get screenshots. -- Andriy Gapon
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