kern/148655: [zfs] Booting from a degraded raidz no longer works in 8-STABLE [regression]

[Andriy Gapon]

The following reply was made to PR kern/148655; it has been noted by GNATS.

From: Andriy Gapon <avg at icyb.net.ua>
To: Martin Matuska <mm at FreeBSD.org>
Cc: bug-followup at FreeBSD.org
Subject: Re: kern/148655: [zfs] Booting from a degraded raidz no longer works
 in 8-STABLE [regression]
Date: Thu, 05 Aug 2010 11:51:23 +0300

 on 05/08/2010 11:19 Martin Matuska said the following:
 > I can confirm this behaviour, easily reproducable in virtualbox.
 > 
 > The problem must be in the internal logic of zfsboot, because the lba
 > errors reported are from function:
 > 
 > drvread() in sys/boot/i386/zfsboot/zfsboot.c, line #1079:
 >     if (V86_CY(v86.efl)) {
 >         printf("error %u lba %u\n", v86.eax >> 8 & 0xff, lba);
 >         return -1;
 >     }
 > 
 > drvread() is called from vdev_read() (line #315)
 
 Right, and this is the reason why I asked to try zfstest, because it would be
 interesting to see the whole stack trace to determine which high-level zfs
 operation fails.
 Thanks!
 -- 
 Andriy Gapon