linux-kernel - Re: Oops in megaraid_mbox_dpc(), kernel 2.6.23.9-85.fc8.i686

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Date:	Thu, 07 Feb 2008 17:03:43 -0500
From:	Chuck Ebbert <cebbert@...hat.com>
To:	"Yang, Bo" <Bo.Yang@....com>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Scott Shambarger <scott-lkml@...mbarger.net>,
	linux-kernel@...r.kernel.org,
	"Patro, Sumant" <Sumant.Patro@....com>, linux-scsi@...r.kernel.org,
	DL-MegaRAID Linux <megaraidlinux@....com>,
	"Kolli, Neela" <Neela.Kolli@....com>
Subject: Re: Oops in megaraid_mbox_dpc(), kernel 2.6.23.9-85.fc8.i686

On 02/06/2008 02:38 PM, Yang, Bo wrote:
> Andrew/Scott,
> 
> Can you give me more details about this issue?  Such as: MegaRAID
> Controller name, FW version, RAID configuration, host system info, how
> to reproduce this issue.  Also do you see the issue on other kernel
> versions.  
> 

He has hit the BUG() here in megaraid_mbox_dpc():

                // Make sure f/w has completed a valid command
                if (scb->state != SCB_ISSUED) {
                        con_log(CL_ANN, (KERN_CRIT
                        "megaraid critical err: invalid command %d:%d:%p\n",
                                scb->sno, scb->state, scp));
                        BUG();
                        continue;       // Must never happen!
                }
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