linux-kernel - Re: [BUG] mpt2sas: driver init fails on kernel >=4.2 for 9211-8i IT

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Date:	Thu, 24 Mar 2016 10:08:05 +0100
From:	Matthias Prager <linux@...thiasprager.de>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	Sreekanth Reddy <sreekanth.reddy@...adcom.com>,
	linux-scsi <linux-scsi@...r.kernel.org>,
	Jason Taylor <jason.taylor@...plivity.com>,
	LKML <linux-kernel@...r.kernel.org>, x86@...nel.org,
	Matthias Prager <linux@...thiasprager.de>
Subject: Re: [BUG] mpt2sas: driver init fails on kernel >=4.2 for 9211-8i IT

Am 24.03.2016 um 07:06 schrieb Thomas Gleixner:
> On Thu, 24 Mar 2016, Matthias Prager wrote:
>> The timeout happens reliably after two warm boots with a 'bad' kernel
>> after coming from a 'good' kernel, and also after one cold boot with a
>> 'bad' kernel (meaning cold booting a 'bad' kernel leads directly to the
>> timeout and warm booting needs a second run to produce the timeout). I
>> haven't tested bare metal yet - I can do that tomorrow if necessary.
> 
> That's on VMWare, right? Jason has seen the same issue:
Correct ESXi 5.1 patchlevel 3070626 (the two controllers are passed
through to the VM).

> 
>  http://marc.info/?l=linux-kernel&m=145280623530135&w=2
>  http://marc.info/?l=linux-kernel&m=145523785705624&w=2
> 
>  "Works fine on real hardware and KVM. Filed an issue with VMware and the fix
>   is in the works."
> 
> Jason, what's the state of this?
> 
> Thanks,
> 
> 	tglx
>