kern/162491: EliteBook 8540p panic on acpi_hp module loading

[Andriy Gapon]

The following reply was made to PR kern/162491; it has been noted by GNATS.

From: Andriy Gapon <avg at FreeBSD.org>
To: Jaakko Heinonen <jh at FreeBSD.org>
Cc: Alexey Slynko <slynko at tronet.ru>, bug-followup at FreeBSD.org
Subject: Re: kern/162491: EliteBook 8540p panic on acpi_hp module loading
Date: Sun, 13 Nov 2011 11:35:19 +0200

 on 13/11/2011 09:49 Jaakko Heinonen said the following:
 > On 2011-11-11, Alexey Slynko wrote:
 >> My EliteBook 8540p panic on boot after upgrade to 9.0-RC1. I've tried
 >> to unload all kernel modules and load it manually. It was crashed on
 >> acpi_hp loading:
 > 
 >> acpi_wmi0: <ACPI-WMI mapping> on acpi0
 >> acpi_wmi1: <ACPI-WMI mapping> on acpi0
 >> panic: make_dev_credv: bad si_name (error=17, si_name=wmistat)
 > 
 > I don't really know much about acpi_wmi(4) but obviously it tries to
 > create /dev/wmistat twice here. I am not sure if it's legitimate to have
 > several wmistat device files but you could try this patch:
 
 I think that this is the most appropriate patch, thank you!
 I don't know of any actual usage for /dev/wmistat devices in userland besides
 cat-ing them and staring in awe at a bunch of GUID strings :-)
 
 -- 
 Andriy Gapon