Messages in this thread Patch in this message |  | | From | Andy Whitcroft <> | Subject | [PATCH 1/1] Reduce AACRAID hardware queue size | Date | Tue, 23 Jun 2009 12:25:06 +0100 |
| |
From: Mathias Urlichs <matthias@urlichs.de>
BugLink: http://bugzilla.kernel.org/show_bug.cgi?id=11120 BugLink: http://bugs.launchpad.net/bugs/249964
Reduce the hardware queue size for the AACRAID controller. This controloler suffers adapter aborts and scsi resets under high load otherwise:
aacraid: Host adapter abort request (0,0,2,0) aacraid: Host adapter abort request (0,0,3,0) aacraid: Host adapter reset request. SCSI hang ? aacraid: Host adapter abort request (0,0,0,0)
Signed-Off-By: Mathias Urlichs <matthias@urlichs.de> Signed-off-by: Andy Whitcroft <apw@canonical.com> --- drivers/scsi/aacraid/aacraid.h | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h index cdbdec9..0d5d036 100644 --- a/drivers/scsi/aacraid/aacraid.h +++ b/drivers/scsi/aacraid/aacraid.h @@ -24,7 +24,7 @@ #define AAC_MAX_LUN (8) #define AAC_MAX_HOSTPHYSMEMPAGES (0xfffff) -#define AAC_MAX_32BIT_SGBCOUNT ((unsigned short)256) +#define AAC_MAX_32BIT_SGBCOUNT ((unsigned short)127) /* * These macros convert from physical channels to virtual channels -- 1.6.3.rc3.199.g24398
|  |