Skip to main content
NetApp Knowledge Base

CONTAP-33661: Race condition between AHCI controller reset and SATA command submission path causes SATA command timeouts

  1. Last updated
  2. Save as PDF
Views:
8
Visibility:
Public
Votes:
0
Category:
ontap-9
Specialty:
hw
Last Updated:

Issue

A race condition will disrupt the system when Serial Advanced Technology Attachment (SATA) commands are issued to the Advanced Host Controller Interface (AHCI) controller before the AHCI controller reset has been completed.
Page fault (supervisor read instruction, page not present) on VA 0x100000000 cs:rip 0x20:0x100000000 rflags 0x10286 in process doneq0 on release R9.4xN_180305_0935 (C)

Sign in to view the entire content of this KB article.

New to NetApp?

Learn more about our award-winning Support

NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or recommendations provided in this publication or with respect to any results that may be obtained by the use of the information or observance of any recommendations provided herein. The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. This document and the information contained herein may be used solely in connection with the NetApp products discussed in this document.