linux-kernel - RE: [stable] [patch 37/54] SCSI: aacraid: Correct sa platformsupport. (Was: [Bug 8469] Bad EIP value on pentium3 SMPkernel-2.6.21.1)

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Message-ID: <AE4F746F2AECFC4DA4AADD66A1DFEF01AB8567@otce2k301.adaptec.com>
Date:	Fri, 8 Jun 2007 14:21:21 -0400
From:	"Salyzyn, Mark" <mark_salyzyn@...ptec.com>
To:	"Chris Wright" <chrisw@...s-sol.org>,
	"Stefan Lippers-Hollmann" <s.L-H@....de>
Cc:	"James Bottomley" <James.Bottomley@...eleye.com>,
	"AACRAID" <aacraid@...ptec.com>,
	"Greg Kroah-Hartman" <gregkh@...e.de>,
	<linux-kernel@...r.kernel.org>, <stable@...nel.org>
Subject: RE: [stable] [patch 37/54] SCSI: aacraid: Correct sa platformsupport. (Was: [Bug 8469] Bad EIP value on pentium3 SMPkernel-2.6.21.1)

Yes, split the patch into the two pieces for 2.6.21.1/2.6.21.4

Sincerely -- Mark Salyzyn

> -----Original Message-----
> From: Chris Wright [mailto:chrisw@...s-sol.org] 
> Sent: Friday, June 08, 2007 1:46 PM
> To: Stefan Lippers-Hollmann
> Cc: Chris Wright; James Bottomley; AACRAID; Greg 
> Kroah-Hartman; linux-kernel@...r.kernel.org; stable@...nel.org
> Subject: Re: [stable] [patch 37/54] SCSI: aacraid: Correct sa 
> platformsupport. (Was: [Bug 8469] Bad EIP value on pentium3 
> SMPkernel-2.6.21.1)
> 
> 
> * Stefan Lippers-Hollmann (s.L-H@....de) wrote:
> > This patch fails to compile on amd64 and i386 with the 
> attached config 
> > (CONFIG_SCSI_AACRAID=m, 2.6.21.5-rc1):
> >   CC [M]  drivers/scsi/aacraid/linit.o
> >   CC [M]  drivers/scsi/aacraid/aachba.o
> >   CC [M]  drivers/scsi/aacraid/commctrl.o
> >   CC [M]  drivers/scsi/aacraid/comminit.o
> >   CC [M]  drivers/scsi/aacraid/commsup.o
> >   CC [M]  drivers/scsi/aacraid/dpcsup.o
> >   CC [M]  drivers/scsi/aacraid/rx.o
> >   CC [M]  drivers/scsi/aacraid/sa.o
> > drivers/scsi/aacraid/sa.c: In function 'aac_sa_init':
> > drivers/scsi/aacraid/sa.c:375: error: 'struct adapter_ops' 
> has no member 
> > named 'adapter_restart'
> 
> Mark, this patch is apparently against a slightly newer kernel which
> includes 8418852d11f0bbaeebeedd4243560d8fdc85410d:
> 	[SCSI] aacraid: add restart adapter platform function
> 
> See any issue with this against 2.6.21.4 (simply drops adapter_restart
> bits).
> 
> thanks,
> -chris
> --
> 
> From: Salyzyn, Mark <mark_salyzyn@...ptec.com>
> Subject: SCSI: aacraid: Correct sa platform support. (Was: 
> [Bug 8469] Bad EIP value on pentium3 SMP kernel-2.6.21.1)
> 
> http://bugzilla.kernel.org/show_bug.cgi?id=8469
> 
> As discussed in the bugzilla outlined below, we have an sa based
> (Mustang) RAID adapter on the system, a Dell PERC2/QC. Affected
> controllers are HP NetRAID, Adaptec AAC-364, Dell PERC2/QC or Adaptec
> 5400S. This problem  coincides with the introduction of the 
> adapter_comm
> and adapter_deliver platform functions (Message [PATCH 1/4] aacraid:
> rework communication support code, January 23 2007, which initially
> migrated to 2.6.21)
> 
> The panic occurs with an uninitialized adapter_deliver 
> platform function
> pointer. The enclosed patch, unmodified as tested by Rainer, 
> solves the
> problem.
> 
> Signed-off-by: Mark Salyzyn <aacraid@...ptec.com>
> Signed-off-by: James Bottomley <James.Bottomley@...elEye.com>
> Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
> [chrisw: backport to 2.6.21.4]
> Signed-off-by: Chris Wright <chrisw@...s-sol.org>
> 
> ---
>  drivers/scsi/aacraid/aacraid.h |    1 +
>  drivers/scsi/aacraid/rx.c      |    2 +-
>  drivers/scsi/aacraid/sa.c      |    3 ++-
>  3 files changed, 4 insertions(+), 2 deletions(-)
> 
> --- linux-2.6.21.4.orig/drivers/scsi/aacraid/aacraid.h
> +++ linux-2.6.21.4/drivers/scsi/aacraid/aacraid.h
> @@ -1840,6 +1840,7 @@ struct aac_driver_ident* aac_get_driver_
>  int aac_get_adapter_info(struct aac_dev* dev);
>  int aac_send_shutdown(struct aac_dev *dev);
>  int aac_probe_container(struct aac_dev *dev, int cid);
> +int aac_rx_deliver_producer(struct fib * fib);
>  extern int numacb;
>  extern int acbsize;
>  extern char aac_driver_version[];
> --- linux-2.6.21.4.orig/drivers/scsi/aacraid/rx.c
> +++ linux-2.6.21.4/drivers/scsi/aacraid/rx.c
> @@ -378,7 +378,7 @@ static int aac_rx_check_health(struct aa
>   *
>   *	Will send a fib, returning 0 if successful.
>   */
> -static int aac_rx_deliver_producer(struct fib * fib)
> +int aac_rx_deliver_producer(struct fib * fib)
>  {
>  	struct aac_dev *dev = fib->dev;
>  	struct aac_queue *q = &dev->queues->queue[AdapNormCmdQueue];
> --- linux-2.6.21.4.orig/drivers/scsi/aacraid/sa.c
> +++ linux-2.6.21.4/drivers/scsi/aacraid/sa.c
> @@ -5,7 +5,7 @@
>   * based on the old aacraid driver that is..
>   * Adaptec aacraid device driver for Linux.
>   *
> - * Copyright (c) 2000 Adaptec, Inc. (aacraid@...ptec.com)
> + * Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@...ptec.com)
>   *
>   * This program is free software; you can redistribute it 
> and/or modify
>   * it under the terms of the GNU General Public License as 
> published by
> @@ -368,6 +368,7 @@ int aac_sa_init(struct aac_dev *dev)
>  	dev->a_ops.adapter_sync_cmd = sa_sync_cmd;
>  	dev->a_ops.adapter_check_health = aac_sa_check_health;
>  	dev->a_ops.adapter_intr = aac_sa_intr;
> +	dev->a_ops.adapter_deliver = aac_rx_deliver_producer;
>  	dev->a_ops.adapter_ioremap = aac_sa_ioremap;
>  
>  	/*
> 
-
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