From mboxrd@z Thu Jan  1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 15001] megaraid_sas fills dmesg with megasas: Failed to copy
 out to user sense data
Date: Fri, 5 Feb 2010 07:34:58 GMT
Message-ID: <201002050734.o157YwZh031806@demeter.kernel.org>
References: <bug-15001-11613@http.bugzilla.kernel.org/>
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http://bugzilla.kernel.org/show_bug.cgi?id=15001





--- Comment #10 from Alex <mailatgoogl@gmail.com>  2010-02-05 07:34:50 ---
(In reply to comment #9)
> (In reply to comment #8)
> > (In reply to comment #7)
> > > (In reply to comment #6)
> > > > thank you for the patch , it handles the issue , tested on 2.6.32.7 .
> > > 
> > > That means that you no more see the 
> > > "megasas: Failed to copy out to user sense data" 
> > Yes , that means that I don't see this message any more , 
> > and what does it mean "Failed to copy out to user sense data" ?
> That means that the function copy_to_user in the driver failed and the ioctl
> returned EFAULT. Usually programs can cope with that, but it could mean that
> they are not able to collect informations from that device.
> 
> > > or have you also verified that the management software works as expected?
> > And I still can retrieve information with MegaCli utility , should I check
> > something special ?
> I'm not sure with MegaCli, what I meant here is the Dell management sw 'Open
> Manage', so if you can check if this sw can collect info from  megaraid driver.

I guess it is ok , 
OMSA is 6.0.1-8 . For example 
omreport storage vdisk 
omreport storage pdisk controller=0 
works as expected .

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