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Date:      Fri, 4 Jan 2013 11:23:58 GMT
From:      Anton Shterenlikht <mexas@bristol.ac.uk>
To:        freebsd-current@freebsd.org, freebsd-sparc64@freebsd.org
Subject:   Re: installworld error: ad0: FAILURE - READ_DMA status=51<READY, DSC, ERROR> error=40<UNCORRECTABLE> LBA=28071584
Message-ID:  <201301041123.r04BNwTU014117@mech-cluster241.men.bris.ac.uk>
In-Reply-To: <201301041109.r04B97QU001888@mech-cluster241.men.bris.ac.uk>
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	Date: Fri, 4 Jan 2013 11:09:07 GMT
	From: Anton Shterenlikht <mexas@bristol.ac.uk>

	I got this error on make installworld:

	===> sbin/dhclient (install)
	install -s -o root -g wheel -m 555   dhclient /sbin
	ad0: FAILURE - READ_DMA status=51<READY,DSC,ERROR> error=40<UNCORRECTABLE> LBA=28071584
	g_vfs_done():ad0a[READ(offset=14372651008, length=16384)]error = 5
	vnode_pager_getpages: I/O read error
	vm_fault: pager read error, pid 12794 (install)
	install: /sbin/dhclient: Bad address
	*** [_proginstall] Error code 71

	Stop in /usr/src/sbin/dhclient.
	*** [realinstall] Error code 1

	Stop in /usr/src/sbin.
	*** [realinstall] Error code 1

	Stop in /usr/src.
	*** [reinstall] Error code 1

	Stop in /usr/src.
	*** [installworld] Error code 1

	Stop in /usr/src.
	*** Error code 1

	Stop in /usr/src.


	What's going on?

	This is on sparc64 SunBlade 1500 silver,
	updating to r244988.

	The disk is:

	# gpart show ad0
	=>        0  234432720  ad0  VTOC8  (111G)
	          0   41946480    1  !0  (20G)
	   41946480   33558000    2  !0  (16G)
	   75504480  158928240    4  !0  (75G)

	# 

	# df
	Filesystem 512-blocks     Used    Avail Capacity  Mounted on
	/dev/ad0a    40620236 21769888 15600732    58%    /
	devfs               2        2        0   100%    /dev
	# 

	I've run fsck -p before installworld,
	and didn't see any problems.

Is my disk dying?

# fsck 
** /dev/ad0a (NO WRITE)
** Last Mounted on /
** Root file system
** Phase 1 - Check Blocks and Sizes
ad0: FAILURE - READ_DMA status=51<READY,DSC,ERROR> error=40<UNCORRECTABLE> LBA=23328672

CANNOT READ BLK: 23328608
CONTINUE? [yn] 

Thanks

Anton

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