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

[Matthias Scheler <tron%zhadum.org.uk@localhost>]

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 shutdown
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 
268435455; cn 266305 tn 0 sn 15), retrying
 wd3: soft error (corrected)
 wd2e: error writing fsbn 268435392 of 268435392-268435519 (wd2 bn 268435455; 
cn 266305 tn 0 sn 15), retrying
 wd2: (id not found)
 ahcisata0 port 2: device present, speed: 1.5Gb/s
 wd2e: error writing fsbn 268435392 of 268435392-268435519 (wd2 bn 268435455; 
cn 266305 tn 0 sn 15), retrying
 wd2: (id not found)
 ahcisata0 port 2: device present, speed: 1.5Gb/s
 wd2e: error writing fsbn 268435392 of 268435392-268435519 (wd2 bn 268435455; 
cn 266305 tn 0 sn 15), retrying
 wd2: (id not found)
 ahcisata0 port 2: device present, speed: 1.5Gb/s
 wd2e: error writing fsbn 268435392 of 268435392-268435519 (wd2 bn 268435455; 
cn 266305 tn 0 sn 15), retrying
 wd2: (id not found)
 ahcisata0 port 2: device present, speed: 1.5Gb/s
 wd2e: error writing fsbn 268435392 of 268435392-268435519 (wd2 bn 268435455; 
cn 266305 tn 0 sn 15), retrying
 wd2: (id not found)
 ahcisata0 port 2: device present, speed: 1.5Gb/s
 wd2e: error writing fsbn 268435392 of 268435392-268435519 (wd2 bn 268435455; 
cn 266305 tn 0 sn 15)
 wd2: (id not found)
 raid1: Recon write failed!
 raid1: reconstruction failed.
 ahcisata0 port 2: device present, speed: 1.5Gb/s
 
        Kind regards
 
 -- 
 Matthias Scheler                                  http://zhadum.org.uk/