Re: kernel-2.6.16-1.2069_FC4 sata panic

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--- Jerry Williams <jwilliam@xxxxxxxxxxxx> wrote:

> I installed the new kernel-2.6.16-1.2069_FC4 and my
> machine starts to boot
> and then says:
> ata1: failed to set xfermode, disabled
> ata2: failed to set xfermode, disabled
> 
> Then it complains that it can't find any volume
> groups, there is one, but I
> don't think that it can see my SATA disks.  It
> prints out a few more things
> and panics.  I am running Fedora Core 4, planning on
> going to 5 after it has
> settled some.  
> 
> Grub kernel line:
> kernel /vmlinuz-2.6.16-1.2069_FC4 ro root=/dev/V0/L1
> acpi=off rhgb quiet
> 
> Should I try something else on the kernel command
> line?
> Thanks!
> 	Jerry
> 
> 
> With 2.6.15-1.1833_FC4 kernel some of dmesg looks
> like:
> CPU: AMD Athlon(tm) XP 2600+ stepping 01
> PCI: Bypassing VIA 8237 APIC De-Assert Message
> Uniform Multi-Platform E-IDE driver Revision:
> 7.00alpha2
> ide: Assuming 33MHz system bus speed for PIO modes;
> override with idebus=xx
> VP_IDE: IDE controller at PCI slot 0000:00:0f.1
> PCI: Via IRQ fixup for 0000:00:0f.1, from 255 to 0
> VP_IDE: chipset revision 6
> VP_IDE: not 100% native mode: will probe irqs later
> VP_IDE: VIA vt8237 (rev 00) IDE UDMA133 controller
> on pci0000:00:0f.1
>     ide0: BM-DMA at 0xfc00-0xfc07, BIOS settings:
> hda:pio, hdb:DMA
>     ide1: BM-DMA at 0xfc08-0xfc0f, BIOS settings:
> hdc:DMA, hdd:pio
> Probing IDE interface ide0...
> hdb: Pioneer DVD-ROM ATAPIModel DVD-500M 010, ATAPI
> CD/DVD-ROM drive
> ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
> Probing IDE interface ide1...
> hdc: SONY DVD RW DRU-510A, ATAPI CD/DVD-ROM drive
> ide1 at 0x170-0x177,0x376 on irq 15
> hdb: ATAPI 40X DVD-ROM drive, 512kB Cache, UDMA(66)
> Uniform CD-ROM driver Revision: 3.20
> hdc: ATAPI 32X DVD-ROM DVD-R CD-R/RW drive, 8192kB
> Cache, UDMA(33)
> SCSI subsystem initialized
> libata version 1.20 loaded.
> sata_via 0000:00:0f.0: version 1.1
> sata_via 0000:00:0f.0: routed to hard irq line 11
> ata1: SATA max UDMA/133 cmd 0xE800 ctl 0xE402 bmdma
> 0xD800 irq 11
> ata2: SATA max UDMA/133 cmd 0xE000 ctl 0xDC02 bmdma
> 0xD808 irq 11
> ata1: SATA link up 1.5 Gbps (SStatus 113)
> ata1: dev 0 cfg 49:2f00 82:7c6b 83:7f09 84:4003
> 85:7c69 86:3e01 87:4003
> 88:407f
> ata1: dev 0 ATA-7, max UDMA/133, 490234752 sectors:
> LBA48
> ata1: dev 0 configured for UDMA/133
> scsi0 : sata_via
> ata2: SATA link up 1.5 Gbps (SStatus 113)
> ata2: dev 0 cfg 49:2f00 82:7c6b 83:7f09 84:4003
> 85:7c69 86:3e01 87:4003
> 88:407f
> ata2: dev 0 ATA-7, max UDMA/133, 490234752 sectors:
> LBA48
> ata2: dev 0 configured for UDMA/133
> scsi1 : sata_via
>   Vendor: ATA       Model: Maxtor 6Y250M0    Rev:
> YAR5
>   Type:   Direct-Access                      ANSI
> SCSI revision: 05
> SCSI device sda: 490234752 512-byte hdwr sectors
> (251000 MB)
> SCSI device sda: drive cache: write back
> SCSI device sda: 490234752 512-byte hdwr sectors
> (251000 MB)
> SCSI device sda: drive cache: write back
>  sda: sda1 sda2 sda3 < sda5 sda6 sda7 >
> sd 0:0:0:0: Attached scsi disk sda
>   Vendor: ATA       Model: Maxtor 6Y250M0    Rev:
> YAR5
>   Type:   Direct-Access                      ANSI
> SCSI revision: 05
> SCSI device sdb: 490234752 512-byte hdwr sectors
> (251000 MB)
> SCSI device sdb: drive cache: write back
> SCSI device sdb: 490234752 512-byte hdwr sectors
> (251000 MB)
> SCSI device sdb: drive cache: write back
>  sdb: sdb1 sdb2 sdb3 < sdb5 sdb6 sdb7 >
> sd 1:0:0:0: Attached scsi disk sdb
> device-mapper: 4.4.0-ioctl (2005-01-12) initialised:
> dm-devel@xxxxxxxxxx

Did you get these messages on the screen?
device-mapper: dm-stripe: Target length not divisible
by chunk size.
device-mapper: error adding target to table.

dmraid has a bug which is being patched.
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=186842


A patch was submitted for kernel 2.6.16 Here it is.  

[PATCH] dm stripe: Fix bounds

The dm-stripe target currently does not enforce that
the size of a stripe
device be a multiple of the chunk-size.  Under certain
conditions, this can
lead to I/O requests going off the end of an
underlying device.  This
test-case shows one example.

echo "0 100 linear /dev/hdb1 0" | dmsetup create
linear0
echo "0 100 linear /dev/hdb1 100" | dmsetup create
linear1
echo "0 200 striped 2 32 /dev/mapper/linear0 0
/dev/mapper/linear1 0" | \
   dmsetup create stripe0
dd if=/dev/zero of=/dev/mapper/stripe0 bs=1k

This will produce the output:
dd: writing '/dev/mapper/stripe0': Input/output error
97+0 records in
96+0 records out

And in the kernel log will be:
attempt to access beyond end of device
dm-0: rw=0, want=104, limit=100

The patch will check that the table size is a multiple
of the stripe
chunk-size when the table is created, which will
prevent the above striped
device from being created.

This should not affect tools like LVM or EVMS, since
in all the cases I can
think of, striped devices are always created with the
sizes being a
multiple of the chunk-size.

The size of a stripe device must be a multiple of its
chunk-size.

(akpm: that typecast is quite gratuitous)

Signed-off-by: Kevin Corry <kevcorry@xxxxxxxxxx>
Signed-off-by: Alasdair G Kergon <agk@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
Signed-off-by: Linus Torvalds <torvalds@xxxxxxxx>

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