kern/179932: [ciss] ciss i/o stall problem with HP Bl Gen8 (and HP Bl Gen7 + Storage Blade)

[Markus Gebert]

The following reply was made to PR kern/179932; it has been noted by GNATS.

From: Markus Gebert <markus.gebert at hostpoint.ch>
To: bug-followup at FreeBSD.org,
 =?windows-1252?Q?Philipp_M=E4chler?= <philipp.maechler at hostpoint.ch>,
 "sean_bruno at yahoo.com" <sean_bruno at yahoo.com>
Cc:  
Subject: Re: kern/179932: [ciss] ciss i/o stall problem with HP Bl Gen8 (and HP Bl Gen7 + Storage Blade)
Date: Fri, 5 Jul 2013 14:28:42 +0200

 Hey Sean
 
 Two of the G7 blades stalled today, that was quick=85 Here's an alltrace =
 and ciss debug output each:
 
 First stall:
 =
 https://dl.dropboxusercontent.com/u/10669369/fbsd%20ciss%20iostall%20debug=
 /20130705%20-%20G7%20crash%201%20(12s)/20130705%20-%201%20-%20alltrace.txt=
 
 =
 https://dl.dropboxusercontent.com/u/10669369/fbsd%20ciss%20iostall%20debug=
 /20130705%20-%20G7%20crash%201%20(12s)/20130705%20-%201%20-%20cissdebug.tx=
 t
 
 Second stall:
 =
 https://dl.dropboxusercontent.com/u/10669369/fbsd%20ciss%20iostall%20debug=
 /20130705%20-%20G7%20crash%202%20(16s)/20130705%20-%202%20-%20alltrace.txt=
 
 =
 https://dl.dropboxusercontent.com/u/10669369/fbsd%20ciss%20iostall%20debug=
 /20130705%20-%20G7%20crash%202%20(16s)/20130705%20-%202%20-%20cissdebug.tx=
 t
 
 As said, the debug information is for ciss0 only, because the driver =
 does not iterate through all controllers when printing debug =
 information. Also, if you need more information when this happens the =
 next time, please let us know.
 
 
 Markus