RE: [GIT PULL] SCSI fixes for 4.9-rc3

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> -----Original Message-----
> From: linux-scsi-owner@xxxxxxxxxxxxxxx [mailto:linux-scsi-
> owner@xxxxxxxxxxxxxxx] On Behalf Of Gabriel C
> Sent: Friday, November 11, 2016 9:40 AM
> To: James Bottomley; Andrew Morton; Linus Torvalds
> Cc: linux-scsi; linux-kernel; stable@xxxxxxxxxxxxxxx
> Subject: Re: [GIT PULL] SCSI fixes for 4.9-rc3
>
>
>
> On 11.11.2016 04:30, Gabriel C wrote:
> >
> > On 05.11.2016 14:29, James Bottomley wrote:
> >
> >
> > ...
> >
> >> Kashyap Desai (1):
> >>       scsi: megaraid_sas: Fix data integrity failure for JBOD
> >> (passthrough) devices
> >>
> >> diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c
> >> b/drivers/scsi/megaraid/megaraid_sas_base.c
> >> index 9ff57de..d8b1fbd 100644
> >> --- a/drivers/scsi/megaraid/megaraid_sas_base.c
> >> +++ b/drivers/scsi/megaraid/megaraid_sas_base.c
> >> @@ -1700,16 +1700,13 @@ megasas_queue_command(struct Scsi_Host
> *shost, struct scsi_cmnd *scmd)
> >>  		goto out_done;
> >>  	}
> >>
> >> -	switch (scmd->cmnd[0]) {
> >> -	case SYNCHRONIZE_CACHE:
> >> -		/*
> >> -		 * FW takes care of flush cache on its own
> >> -		 * No need to send it down
> >> -		 */
> >> +	/*
> >> +	 * FW takes care of flush cache on its own for Virtual Disk.
> >> +	 * No need to send it down for VD. For JBOD send
> SYNCHRONIZE_CACHE to FW.
> >> +	 */
> >> +	if ((scmd->cmnd[0] == SYNCHRONIZE_CACHE) &&
> >> +MEGASAS_IS_LOGICAL(scmd)) {
> >>  		scmd->result = DID_OK << 16;
> >>  		goto out_done;
> >> -	default:
> >> -		break;
> >>  	}
> >>
> >>  	return instance->instancet->build_and_issue_cmd(instance, scmd);
> >
> > This patch breaks my box.. I'm not able to boot it anymore.
> > It seems with this patch I have /dev/sda[a-z] to /dev/sdz[a-z] ?!?
> >
> > I'm not sure how to get an log since dracut times out and I'm dropped
> > , after a very long time of probing 'ghost devices', in a emercency
> > shell,
> journalctl doesn't work also..
> >
> > After reverting this one I can boot normal.
> >
> > Box is a FUJITSU PRIMERGY TX200 S5..

Please  check now commit.  Below commit has complete fix.

http://git.kernel.org/cgit/linux/kernel/git/jejb/scsi.git/commit/?id=5e5ec1759dd663a1d5a2f10930224dd009e500e8


> >
> > This is from an working kernel..
> >
> > [    5.119371] megaraid_sas 0000:01:00.0: FW now in Ready state
> > [    5.119418] megaraid_sas 0000:01:00.0: firmware supports msix
> > : (0)
> > [    5.119420] megaraid_sas 0000:01:00.0: current msix/online cpus
> > : (1/16)
> > [    5.119422] megaraid_sas 0000:01:00.0: RDPQ mode     : (disabled)
> > [    5.123100] ehci-pci 0000:00:1a.7: cache line size of 32 is not
> > supported
> > [    5.123113] ehci-pci 0000:00:1a.7: irq 18, io mem 0xb0020000
> >
> > ...
> >
> > [    5.208063] megaraid_sas 0000:01:00.0: controller type       :
> > MR(256MB)
> > [    5.208065] megaraid_sas 0000:01:00.0: Online Controller Reset(OCR)
> > :
> Enabled
> > [    5.208067] megaraid_sas 0000:01:00.0: Secure JBOD support   : No
> > [    5.208070] megaraid_sas 0000:01:00.0: megasas_init_mfi:
> fw_support_ieee=0
> > [    5.208073] megaraid_sas 0000:01:00.0: INIT adapter done
> > [    5.208075] megaraid_sas 0000:01:00.0: Jbod map is not supported
> megasas_setup_jbod_map 4967
> > [    5.230163] megaraid_sas 0000:01:00.0: MR_DCMD_PD_LIST_QUERY
> failed/not supported by firmware
> > [    5.252080] megaraid_sas 0000:01:00.0: DCMD not supported by
> > firmware -
> megasas_ld_list_query 4369
> > [    5.274086] megaraid_sas 0000:01:00.0: pci id                :
> (0x1000)/(0x0060)/(0x1734)/(0x10f9)
> > [    5.274089] megaraid_sas 0000:01:00.0: unevenspan support    : no
> > [    5.274090] megaraid_sas 0000:01:00.0: firmware crash dump   : no
> > [    5.274092] megaraid_sas 0000:01:00.0: jbod sync map         : no
> > [    5.274094] scsi host0: Avago SAS based MegaRAID driver
> > [    5.280022] scsi 0:0:6:0: Direct-Access     ATA      WDC WD5002ABYS-5
> > 3B06
> PQ: 0 ANSI: 5
> > [    5.282153] scsi 0:0:7:0: Direct-Access     ATA      WDC WD5002ABYS-5
> > 3B06
> PQ: 0 ANSI: 5
> > [    5.285180] scsi 0:0:10:0: Direct-Access     ATA      ST500NM0011
> > FTM6 PQ:
> 0 ANSI: 5
> > [    5.369885] scsi 0:2:0:0: Direct-Access     LSI      MegaRAID SAS RMB
> > 1.40 PQ:
> 0 ANSI: 5
> >
> > ..
> >
> > Please let me know if you need more infos and/or want me to test
> > patches.
> >
> >
>
> I managed to get some parts of the broken dmesg. There it is :
>
> http://ftp.frugalware.org/pub/other/people/crazy/kernel/broken-dmesg
>
>
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