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MFC r250508:
authormav <mav@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Wed, 29 May 2013 04:17:05 +0000 (04:17 +0000)
committermav <mav@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Wed, 29 May 2013 04:17:05 +0000 (04:17 +0000)
commit90d61bc80afcc95ed97513c1cb7c2872c1be30cf
tree74b8aa42e819c51d534860a84087b40356a29e21tree | snapshot
parent8a209ef4994ffb5019d80044c46a0e291f9d8266commit | diff
MFC r250508:
Disable sending Early R_OK on SiI3726/SiI3826 port multipliers.
With "cached read" HDD testing and multiple ports busy on a SATA
host controller, 3726/3826 PMP will very rarely drop a deferred
R_OK that was intended for the host. Symptom will be all 5 drives
under test will timeout, get reset, and recover.

git-svn-id: svn://svn.freebsd.org/base/stable/9@251096 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
sys/cam/ata/ata_pmp.c diff | blob | history
9-STABLE