Date: Thu, 6 Oct 2011 11:43:38 -0400 From: Andrew Boyer <aboyer@averesystems.com> To: freebsd-scsi@freebsd.org, Matthew Jacob <mj@feral.com> Subject: Initialization timeouts in MPT driver Message-ID: <CDA323AC-295D-4DA8-A8C2-B550664947F3@averesystems.com>
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When using mpt with a 1068e, a bad SATA SSD can prevent all other SATA =
drives from being recognized. It takes about 45s for the controller to =
respond to the IOC initialization request with a bad drive installed, =
but the timeout for SAS controllers is 30s.
> mpt0: <LSILogic SAS/SATA Adapter> port 0x5000-0x50ff mem =
0xd9610000-0xd9613fff,0xd9600000-0xd960ffff irq 54 at device 0.0 on pci9
> mpt0: [ITHREAD]
> mpt0: MPI Version=3D1.5.20.0
> mpt0: Firmware version=3D1.30
> mpt0: mpt_wait_req(6) timed out
> mpt0: port 0 enable timed out
> mpt0: mpt_enable_ioc: failed to enable port 0
> mpt0: unable to initialize IOC
The IOC initialization timeouts on linux are ten times as long as in BSD =
(300 or 30 seconds vs 30 or 3 seconds), and linux is able to see all of =
the good drives. Changing the mpt timeouts to match linux allows =
freebsd to see the good drives, too.
Thoughts?
-Andrew
Index: sys/dev/mpt/mpt.c
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
--- sys/dev/mpt/mpt.c (revision 226063)
+++ sys/dev/mpt/mpt.c (working copy)
@@ -2084,7 +2084,7 @@
=20
mpt_send_cmd(mpt, req);
error =3D mpt_wait_req(mpt, req, REQ_STATE_DONE, REQ_STATE_DONE,
- FALSE, (mpt->is_sas || mpt->is_fc)? 30000 : 3000);
+ FALSE, (mpt->is_sas || mpt->is_fc)? 300000 : 30000);
if (error !=3D 0) {
mpt_prt(mpt, "port %d enable timed out\n", port);
return (-1);
--------------------------------------------------
Andrew Boyer aboyer@averesystems.com
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