Re: kern/40569: Faild RAIDframe parity rewrite prevents system shutdown

[Greg Oster <oster%cs.usask.ca@localhost>]

The following reply was made to PR kern/40569; it has been noted by GNATS.

From: Greg Oster <oster%cs.usask.ca@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: kern/40569: Faild RAIDframe parity rewrite prevents system 
shutdown 
Date: Wed, 11 Feb 2009 10:16:24 -0600

 Matthias Scheler writes:
 > The following reply was made to PR kern/40569; it has been noted by GNATS.
 > 
 > From: Matthias Scheler <tron%zhadum.org.uk@localhost>
 > To: Manuel Bouyer <bouyer%antioche.eu.org@localhost>
 > Cc: gnats-bugs%NetBSD.org@localhost
 > Subject: Re: kern/40569: Faild RAIDframe parity rewrite prevents system shutd
 > own
 > Date: Wed, 11 Feb 2009 07:26:17 +0000
 > 
 >  On Tue, Feb 10, 2009 at 11:24:40PM +0100, Manuel Bouyer wrote:
 >  > OK, so it's probably an issue with the ahci controller: b_resid was set to
 >  > 0 even in case of failure; and it's used in the LBA48 workaround detection
 >  > to see if we crossed the boundary ... I think the attached patch fixes it 
 > but
 >  > unfortunably my test box didn't reboot after panic to I can't test before
 >  > tomorow.
 >  
 >  The fix doesn't work on my system:
 >  
 >  raid1: initiating in-place reconstruction on column 0
 >  wd3e: LBA48 bug reading fsbn 268435392 of 268435392-268435519 (wd3 bn 268435
 > 455; cn 266305 tn 0 sn 15), retrying
 >  wd3: soft error (corrected)
 [snip]
 >  raid1: Recon write failed!
 >  raid1: reconstruction failed.
 >  ahcisata0 port 2: device present, speed: 1.5Gb/s
 >  
 
 Are you planning to do more testing?  If so, I can get a patch for 
 the RAIDframe issue to you as well...  (I think I have a patch that 
 will work, but I havn't validated it yet..)
 
 Later...
 
 Greg Oster