RE: [PATCH] aacraid: [Fastboot] Panics for AACRAID driver during 'insmod' for kexec test.

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Resending patch file.

I looked at the submission that showed on the list, and the original email, and a blank line dropped away at line 20 of the patch (!)

Dunno, hope this comes through this second time. But if not, please add the blank line as referenced.

Sincerely -- Mark Salyzyn

> -----Original Message-----
> From: Judith Lebzelter [mailto:judith@xxxxxxxxxxxxxxxxxxxx] 
> Sent: Friday, March 30, 2007 1:10 PM
> To: Salyzyn, Mark
> Cc: vgoyal@xxxxxxxxxx; Judith Lebzelter; 
> linux-scsi@xxxxxxxxxxxxxxx; fastboot@xxxxxxxxxxxxxx
> Subject: Re: [PATCH] aacraid: [Fastboot] Panics for AACRAID 
> driver during 'insmod' for kexec test.
> 
> 
> On Fri, Mar 30, 2007 at 10:30:48AM -0400, Salyzyn, Mark wrote:
> > Thanks for the info.
> > 
> > Attached is the patch I feel will address this issue. As an 
> added 'perk' I have also added the code to detect if the 
> controller was previously initialized for interrupted 
> operations by ANY operating system should the reset_devices 
> kernel parameter not be set and we are dealing with a naïve 
> kexec without the addition of this kernel parameter. The 
> reset handler is also improved. Related to reset operations, 
> but not pertinent specifically to this issue, I have also 
> altered the handling somewhat so that we reset the adapter if 
> we feel it is taking too long (three minutes) to start up.
> > 
> > We have not unit tested the reset_devices flag propagation 
> to this driver code, nor have we unit tested the check for 
> the interrupted operations under the conditions of a naively 
> issued kexec. We are submitting this modified driver to our 
> Q/A department for integration testing in our current 
> programs. I would appreciate an ACK to this patch should it 
> resolve the issue described in this thread...
> > 
> 
> Mark; 
> 
> I am getting an error applying this patch:
> 
> -bash-3.1# patch -p1 < ../../aacraid_kexec.patch
> patching file drivers/scsi/aacraid/rx.c
> patch: **** malformed patch at line 36: @@ -526,6 +529,7 @@
> 
> Do you think you could regenerate it?
> 
> Thanks;
> Judith
> 
> > ObligatoryDisclaimer: Please accept my condolences 
> regarding Outlook's handling of patches.
> > 
> > This attached patch is against current scsi-misc-2.6
> >  
> > Signed-off-by: Mark Salyzyn <aacraid@xxxxxxxxxxx>
> > 
> > ---
> > 
> > Sincerely -- Mark Salyzyn
> > 
> > > -----Original Message-----
> > > From: Vivek Goyal [mailto:vgoyal@xxxxxxxxxx] 
> > > Sent: Friday, March 30, 2007 2:06 AM
> > > To: Salyzyn, Mark
> > > Cc: Judith Lebzelter; linux-scsi@xxxxxxxxxxxxxxx; AACRAID; 
> > > fastboot@xxxxxxxxxxxxxx
> > > Subject: Re: [Fastboot] Panics for AACRAID driver during 
> > > 'insmod' for kexec test.
> > > 
> > > 
> > > On Thu, Mar 29, 2007 at 10:17:18AM -0400, Salyzyn, Mark wrote:
> > > > I have been working on a patch to the driver to do just 
> > > this, reset the
> > > > adapter during init if necessary. We want to limit the 
> > > adapter's reset
> > > > as it takes time (an additional 45 seconds or longer) for 
> > > the Firmware
> > > > to cycle... I will bump the priority of the testing for 
> this patch.
> > > > 
> > > Hi,
> > > 
> > > Thanks for looking into this. You can make device reset 
> > > conditional. Now
> > > one command line parameter "reset_devices" has been defined 
> > > for the kernel.
> > > You can reset the device only if the user has passed 
> > > reset_devices command
> > > line option otherwise you can continue to boot normaly.
> > > 
> > > I have introduced this parameter to handle the concern 
> that in normal
> > > BIOS boot total boot time will increase.
> > > 
> > > kexec/kdump will pass this parameter to second kernel so that 
> > > device will
> > > be reset during initialization and normal BIOS boot will 
> > > reamin unaffected.
> > > 
> > > Thanks
> > > Vivek
> > > 
> 
> 
> 

Attachment: aacraid_kexec.patch
Description: aacraid_kexec.patch


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