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SubjectRe: 2.6.17-mm5 dislikes raid-1, just like mm4
On Sat, 1 Jul 2006 20:14:55 +0200
Helge Hafting <helgehaf@aitel.hist.no> wrote:

> I just got mm5 up, and it has the same problem as mm4.
> Raid-1 does not work. I used 2.6.16 to resync my raids,
> and booted into 2.6.17-mm5.
>
> [...]
> md: adding sda2 ...
> md: created md0
> md: bind<sda2>
> md: bind<sdb1>
> md: running: <sdb1><sda2>
> raid1: raid set md0 active with 2 out of 2 mirrors
> md: ... autorun DONE.
> kjournald starting. Commit interval 5 seconds
> EXT3-fs: mounted filesystem with ordered data mode.
> Vendor: USB2.0 Model: HS-CF Rev: 1.64
> Type: Direct-Access ANSI SCSI revision: 00
> sd 3:0:0:0: Attached scsi removable disk sdf
> sd 3:0:0:0: Attached scsi generic sg5 type 0
> Vendor: USB2.0 Model: HS-MS Rev: 1.64
> Type: Direct-Access ANSI SCSI revision: 00
> sd 3:0:0:1: Attached scsi removable disk sdg
> sd 3:0:0:1: Attached scsi generic sg6 type 0
> Vendor: USB2.0 Model: HS-SM Rev: 1.64
> Type: Direct-Access ANSI SCSI revision: 00
> sd 3:0:0:2: Attached scsi removable disk sdh
> sd 3:0:0:2: Attached scsi generic sg7 type 0
> Vendor: USB2.0 Model: HS-SD/MMC Rev: 1.64
> Type: Direct-Access ANSI SCSI revision: 00
> sd 3:0:0:3: Attached scsi removable disk sdi
> sd 3:0:0:3: Attached scsi generic sg8 type 0
> usb-storage: device scan complete
> loadkeys[2214]: segfault at 00000000000005a0 rip 00002b22e169feea rsp 00007fffc973c478 error 4
> Adding 1000424k swap on /dev/sda6. Priority:1 extents:1 across:1000424k
> EXT3 FS on sdd1, internal journal
> raid1: Disk failure on sda2, disabling device.
> Operation continuing on 1 devices
> RAID1 conf printout:
> --- wd:1 rd:2
> disk 0, wo:1, o:0, dev:sda2
> disk 1, wo:0, o:1, dev:sdb1
> RAID1 conf printout:
> --- wd:1 rd:2
>
> ...
>
> As we see, the md devices are assembled, then the filesystems are
> mounted and swap turned on. Then all three md devices fail a
> partition at the same time. Somehow, I don't believe that
> is correct. ;-)
>

I assume this is still the broken-barriers bug. Thanks for all the help on
this, guys. More is to be asked for, I'm afraid.

I've prepared a tree which is basically 2.6.17-mm5, only the git-scsi-misc
and git-libata-all trees have been omitted. It's at

http://www.zip.com.au/~akpm/linux/patches/stuff/2.6.17-mm5-no-sata-scsi.bz2

(That's a diff against 2.6.17)

If that kernel works, then the next step is to test

http://www.zip.com.au/~akpm/linux/patches/stuff/2.6.17-mm5-no-scsi.bz2

which is 2.6.17-mm5 without git-scsi-misc, but with git-libata-all.

Thanks.
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