Date: Tue, 10 Feb 2009 15:31:51 -0800 From: Sam Leffler <sam@freebsd.org> To: Alexander Motin <mav@freebsd.org> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r188464 - head/sys/kern Message-ID: <49920E67.60805@freebsd.org> In-Reply-To: <200902102322.n1ANMTgW007393@svn.freebsd.org> References: <200902102322.n1ANMTgW007393@svn.freebsd.org>
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Alexander Motin wrote: > Author: mav > Date: Tue Feb 10 23:22:29 2009 > New Revision: 188464 > URL: http://svn.freebsd.org/changeset/base/188464 > > Log: > Check for device_set_devclass() errors and skip driver probe/attach if any. > Attach call without devclass set crashes the system. > > On resume AHCI driver sometimes tries to create duplicate adX device. > It is surely his own problem, but IMHO it is not a reason to crash here. > Other reasons are also possible. > > Please leave a comment in the code that this is basically a WAR for buggy drivers. Sam
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