re: kern/49709: radeondrmkms panic if "/dev/" is on NFS root

["John D. Baker" <jdbaker%mylinuxisp.com@localhost>]

The following reply was made to PR kern/49709; it has been noted by GNATS.

From: "John D. Baker" <jdbaker%mylinuxisp.com@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: re: kern/49709: radeondrmkms panic if "/dev/" is on NFS root
Date: Tue, 3 Mar 2015 21:39:38 -0600 (CST)

 On Mon, 2 Mar 2015, matthew green wrote:
 
 >  actually, it's a timing issue, not NFS root related.
 >  
 >  the problem is that /sbin/init is allowed to run as soon as mountroot
 >  completes, but before the paused configuration threads complete their
 >  task and in this case, the radeondrmkms driver has not gotten to
 >  attaching a wsdisplay0 and taking over the console.
 
 This would explain why the HP ProLiant DL380 G5 had the same problem
 even on local disk.
 
 >  fortunately, we have working fixes for this, and are just trying to
 >  figure out which is the best.  one that i've tested that work is
 >  below.
 
 I've applied this patch and it works for me as well (at least on the
 ThinkPad A31p--will try on the other machines where I observed this soon.
 
 I hope you come to a decision about which way to fix the issue soon.
 
 Thanks.
 
 -- 
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