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authorMichael Reed <mdr@sgi.com>2010-09-20 18:20:22 +0200
committerJames Bottomley <James.Bottomley@suse.de>2010-10-08 00:16:28 +0200
commit1a03ae0f556a931aa3747b70e44b78308f5b0590 (patch)
treeb31139e3dcffb4a890f40e1b7b875569dcec80ce /firmware/adaptec
parent[SCSI] fc class: add fc host dev loss sysfs file (diff)
downloadlinux-1a03ae0f556a931aa3747b70e44b78308f5b0590.tar.xz
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[SCSI] sd name space exhaustion causes system hang
Following a site power outage which re-enabled all the ports on my FC switches, my system subsequently booted with far too many luns! I had let it run hoping it would make multi-user. It didn't. :( It hung solid after exhausting the last sd device, sdzzz, and attempting to create sdaaaa and beyond. I was unable to get a dump. Discovered using a 2.6.32.13 based system. correct this by detecting when the last index is utilized and failing the sd probe of the device. Patch applies to scsi-misc-2.6. Signed-off-by: Michael Reed <mdr@sgi.com> Cc: Stable Tree <stable@kernel.org> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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