On Fri, 14 Sep 2007 15:01:03 +0200 "Torsten Kaiser" <[email protected]> wrote:
> On 9/14/07, Andy Whitcroft <[email protected]> wrote:
> > On Tue, Sep 11, 2007 at 04:31:12AM +0900, FUJITA Tomonori wrote:
> > [...]
> > >
> > > Even if we revert the qla1280 patch, scsi-ml still sends chaining sg
> > > list. So it doesn't work.
> > >
> > > The following patch disables chaining sg list for qla1280. If the fix
> > > that I've just sent doesn't work, please try this.
> >
> > Ok, the other patch _did_ work, but this got tested anyhow and it did
> > _not_ fix things.
> >
>
> Sorry to confirm this. My RAID5 got destroyed a second time.
> To summarize what worked / not worked / and seems to work for me:
>
> First 2 tries with unpatched rc4-mm1: Both times one sata_sil24-drive got kicked
> Then I switched back to rc3-mm1, 18 boots with that kernel worked.
> Then I tried the patched rc4-mm1 and it worked too.
> The next boot also worked, but the third time kicked a drive out again.
> But as nobody reads logs, I did not notice that and keep using the
> patched rc4-mm1.
> The next 5 times the system worked normally with the two remaining drives.
> The sixth boot kicked the second sata_sil24 drive. That I did notice...
> After reassembling the RAID, I'm now back to the patch rc4-mm1 that
> did boot correctly this time.
> So the patch just makes it unlikelier to hit the bug. Instead of
> failing 2 out of 2 times, it only failed 2 out of 8 times.
> I compared the rc4-mm1 boot from a working case and the case where it
> kicked the first drive. Nothing seems to stand out...
>
> < == good rc4-mm1 boot
> > == bad rc4-mm1 boot that kicked the drive
>
> 145c145
> < CPU 0: aperture @ 4000000 size 32 MB
> ---
> > CPU 0: aperture @ b7f0000000 size 32 MB
> 154c154
> < Calibrating delay using timer specific routine.. 5203.23 BogoMIPS
> (lpj=26016160)
> ---
> > Calibrating delay using timer specific routine.. 5203.22 BogoMIPS (lpj=26016138)
> 169c169
> < APIC timer calibration result 12499998
> ---
> > APIC timer calibration result 12499994
> 173c173
> < Calibrating delay using timer specific routine.. 5222.40 BogoMIPS
> (lpj=26112010)
> ---
> > Calibrating delay using timer specific routine.. 5200.01 BogoMIPS (lpj=26000052)
> 182c182
> < Calibrating delay using timer specific routine.. 5222.73 BogoMIPS
> (lpj=26113694)
> ---
> > Calibrating delay using timer specific routine.. 5200.01 BogoMIPS (lpj=26000081)
> 191c191
> < Calibrating delay using timer specific routine.. 5223.07 BogoMIPS
> (lpj=26115369)
> ---
> > Calibrating delay using timer specific routine.. 5200.03 BogoMIPS (lpj=26000164)
> 269d268
> < Switched to high resolution mode on CPU 3
> 270a270
> > Switched to high resolution mode on CPU 3
> 502,509c502,509
> < raid6: int64x1 2634 MB/s
> < raid6: int64x2 3244 MB/s
> < raid6: int64x4 3405 MB/s
> < raid6: int64x8 2614 MB/s
> < raid6: sse2x1 3607 MB/s
> < raid6: sse2x2 4834 MB/s
> < raid6: sse2x4 4946 MB/s
> < raid6: using algorithm sse2x4 (4946 MB/s)
> ---
> > raid6: int64x1 2680 MB/s
> > raid6: int64x2 3232 MB/s
> > raid6: int64x4 3411 MB/s
> > raid6: int64x8 2620 MB/s
> > raid6: sse2x1 3606 MB/s
> > raid6: sse2x2 4810 MB/s
> > raid6: sse2x4 4910 MB/s
> > raid6: using algorithm sse2x4 (4910 MB/s)
> 567c567
> < md1: bitmap initialized from disk: read 10/10 pages, set 96 bits
> ---
> > md1: bitmap initialized from disk: read 10/10 pages, set 104 bits
> 568a569,655
> > ata1.00: exception Emask 0x20 SAct 0x1 SErr 0x0 action 0x2
> > ata1.00: irq_stat 0x00020002, PCI master abort while fetching SGT
> > ata1.00: cmd 61/08:00:09:d6:42/00:00:25:00:00/40 tag 0 cdb 0x0 data 4096 out
> > res 50/00:00:af:ea:42/00:00:25:00:00/e0 Emask 0x20 (host bus error)
> > ata1.00: status: {DRDY }
> > ata1: soft resetting link
> > ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
> > ata1.00: configured for UDMA/100
> > ata1: EH complete
> > sd 0:0:0:0: [sda] 625142448 512-byte hardware sectors (320073 MB)
> > sd 0:0:0:0: [sda] Write Protect is off
> > sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
> > sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
> > ata1.00: exception Emask 0x20 SAct 0x1 SErr 0x0 action 0x2
> > ata1.00: irq_stat 0x00020002, PCI master abort while fetching SGT
> > ata1.00: cmd 61/08:00:09:d6:42/00:00:25:00:00/40 tag 0 cdb 0x0 data 4096 out
> > res 50/00:00:af:ea:42/00:00:25:00:00/e0 Emask 0x20 (host bus error)
> > ata1.00: status: {DRDY }
> > ata1: soft resetting link
> > ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
> > ata1.00: configured for UDMA/100
> > ata1: EH complete
> > sd 0:0:0:0: [sda] 625142448 512-byte hardware sectors (320073 MB)
> > sd 0:0:0:0: [sda] Write Protect is off
> > sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
> > sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
> > ata1.00: exception Emask 0x20 SAct 0x1 SErr 0x0 action 0x2
> > ata1.00: irq_stat 0x00020002, PCI master abort while fetching SGT
> > ata1.00: cmd 61/08:00:09:d6:42/00:00:25:00:00/40 tag 0 cdb 0x0 data 4096 out
> > res 50/00:00:af:ea:42/00:00:25:00:00/e0 Emask 0x20 (host bus error)
> > ata1.00: status: {DRDY }
> > ata1: soft resetting link
> > ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
> > ata1.00: configured for UDMA/100
> > ata1: EH complete
> > sd 0:0:0:0: [sda] 625142448 512-byte hardware sectors (320073 MB)
> > sd 0:0:0:0: [sda] Write Protect is off
> > sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
> > sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
> > ata1.00: exception Emask 0x20 SAct 0x1 SErr 0x0 action 0x2
> > ata1.00: irq_stat 0x00020002, PCI master abort while fetching SGT
> > ata1.00: cmd 61/08:00:09:d6:42/00:00:25:00:00/40 tag 0 cdb 0x0 data 4096 out
> > res 50/00:00:af:ea:42/00:00:25:00:00/e0 Emask 0x20 (host bus error)
> > ata1.00: status: {DRDY }
> > ata1: soft resetting link
> > ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
> > ata1.00: configured for UDMA/100
> > ata1: EH complete
> > sd 0:0:0:0: [sda] 625142448 512-byte hardware sectors (320073 MB)
> > sd 0:0:0:0: [sda] Write Protect is off
> > sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
> > sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
> > ata1.00: exception Emask 0x20 SAct 0x1 SErr 0x0 action 0x2
> > ata1.00: irq_stat 0x00020002, PCI master abort while fetching SGT
> > ata1.00: cmd 61/08:00:09:d6:42/00:00:25:00:00/40 tag 0 cdb 0x0 data 4096 out
> > res 50/00:00:af:ea:42/00:00:25:00:00/e0 Emask 0x20 (host bus error)
> > ata1.00: status: {DRDY }
> > ata1: soft resetting link
> > ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
> > ata1.00: configured for UDMA/100
> > ata1: EH complete
> > sd 0:0:0:0: [sda] 625142448 512-byte hardware sectors (320073 MB)
> > sd 0:0:0:0: [sda] Write Protect is off
> > sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
> > sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
> > ata1.00: exception Emask 0x20 SAct 0x1 SErr 0x0 action 0x2
> > ata1.00: irq_stat 0x00020002, PCI master abort while fetching SGT
> > ata1.00: cmd 61/08:00:09:d6:42/00:00:25:00:00/40 tag 0 cdb 0x0 data 4096 out
> > res 50/00:00:af:ea:42/00:00:25:00:00/e0 Emask 0x20 (host bus error)
> > ata1.00: status: {DRDY }
> > ata1: soft resetting link
> > ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
> > ata1.00: configured for UDMA/100
> > sd 0:0:0:0: [sda] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
> > sd 0:0:0:0: [sda] Sense Key : Aborted Command [current] [descriptor]
> > Descriptor sense data with sense descriptors (in hex):
> > 72 0b 00 00 00 00 00 0c 00 0a 80 00 00 00 00 00
> > 00 00 00 af
> > sd 0:0:0:0: [sda] Add. Sense: No additional sense information
> > end_request: I/O error, dev sda, sector 625137161
So do we think it's a sata regression?
> > ata1: EH complete
> > sd 0:0:0:0: [sda] 625142448 512-byte hardware sectors (320073 MB)
> > sd 0:0:0:0: [sda] Write Protect is off
> > sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
> > sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
> > md: super_written gets error=-5, uptodate=0
> > raid5: Disk failure on sda2, disabling device. Operation continuing on 2 devices
> 571a659,663
> > RAID5 conf printout:
> > --- rd:3 wd:2
> > disk 0, o:0, dev:sda2
> > disk 1, o:1, dev:sdb2
> > disk 2, o:1, dev:sdc2
> 576a669,672
> > RAID5 conf printout:
> > --- rd:3 wd:2
> > disk 1, o:1, dev:sdb2
> > disk 2, o:1, dev:sdc2
>
> Another good boot also showed the aperture at a similar high address:
> CPU 0: aperture @ b7f2000000 size 32 MB
> And that good boot also showed the "correct" BogoMIPS:
> Calibrating delay using timer specific routine.. 5205.43 BogoMIPS (lpj=26027183)
> Calibrating delay using timer specific routine.. 5200.01 BogoMIPS (lpj=26000052)
> Calibrating delay using timer specific routine.. 5200.01 BogoMIPS (lpj=26000082)
> Calibrating delay using timer specific routine.. 5200.03 BogoMIPS (lpj=26000166)
>
> Anything more I can provide to help debugging this?
>
Let's keep linux-ide cc'ed, please.
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