From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ceriel Jacobs Subject: Re: mvsas panics and dies when attached to a port extender on newer kernels Date: Thu, 23 Apr 2015 13:10:06 +0200 Message-ID: <5538D30E.6090300@crashplan.pro> References: Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from relay4-d.mail.gandi.net ([217.70.183.196]:33665 "EHLO relay4-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753220AbbDWLKK (ORCPT ); Thu, 23 Apr 2015 07:10:10 -0400 In-Reply-To: Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Adam Talbot , linux-scsi@vger.kernel.org Your mvsas port expander bug might be related to bug# 81861 https://bugzilla.kernel.org/show_bug.cgi?id=81861 Adam Talbot schreef op 13-04-15 om 17:11: > To make a very long debugging story short, I think there is an issues/bug > with the mvsas driver. It works, with older kernels, and breaks on > newer kernels. > > My Debian Jessie system was running great on a 3.18 kernel. Changed > cases to a newer supermicro case with a SAS expander backplane (SAS933EL). That > was the only hardware change. Now, when ever I boot, the system kernel panics. > > 3.2.65-1+deb7u2 works > 3.9.0 Gentoo CD works > 3.16+ all fail > Attached are 3 kernel panics on 3.16+ kernels. > > Motherboard is a Supermicro X8SIE, with a "Marvell Technology Group Ltd. > 88SE6440 SAS/SATA PCIe controller" > > Is this a known bug? > > At this point I have two options: > Stick with the old kernel (yuck) > Buy a new card running a better supported chipset > > Any help would be greatly appreciated > Thanks > Adam >