Date: Wed, 05 Dec 2012 21:04:48 +0100 From: Harald Schmalzbauer <h.schmalzbauer@omnilan.de> To: freebsd-stable@freebsd.org, freebsd-scsi@freebsd.org Subject: Re: cam SCSI negotiation issues (mpt in that case), only 3.300MB/s transfers Message-ID: <50BFA8E0.3050603@omnilan.de> In-Reply-To: <50AF7C88.5000507@omnilan.de> References: <50AF7C88.5000507@omnilan.de>
next in thread | previous in thread | raw e-mail | index | archive | help
[-- Attachment #1 --] schrieb Harald Schmalzbauer am 23.11.2012 14:39 (localtime): > ... > found out that hint.mpt.0.msi_enable="1" > solves the interrupt storm problem, although dmesg output still is > exactly the same: > mpt0: <LSILogic 1030 Ultra4 Adapter> port 0x4000-0x40ff mem > 0xd6440000-0xd645ffff,0xd6420000-0xd643ffff irq 18 at device 0.0 on pci3 > mpt0: MPI Version=1.2.15.0 > Btw, I'm still curious what the sysctl "hw.mpt.0.role" means? With my > LSI1030 it's "3", an onther 1068, it's "1" Any hint for me what "hw.mpt.0.role" means? > ...I had no luck using "camcontrol negotiate sa0 -R 40" to > alter the negotiation parameters. > It always shows 3,300MB/s and seems to reflect reality I'd still need help here if possible. Is there any point to start for non-developers? Any SCSI command "secrets" I can try? If anybody is interested in solving, but lacks hardware, I'd donate one LSI20320IE. Thanks, -Harry (not subscribed to freebsd-scsi@) [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.18 (FreeBSD) iEYEARECAAYFAlC/qOgACgkQLDqVQ9VXb8gafACgsPQgIcDo4sM2kLqfiGtskIwO jegAn2Oc/pwDSGpJvtlz2qY/HBnn4DLB =w2Mo -----END PGP SIGNATURE-----
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?50BFA8E0.3050603>