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Old 11-28-2008, 01:23 PM
Arthur Marsh
 
Default Bug#506835: DPT2044W SCSI adaptor with disk installed but no /dev/sd* devices created

Arthur Marsh wrote, on 28/11/08 20:33:



The 2.6.18.dfsg.1-12etch2 kernel allowed me to modprobe eata and I
received similar messages to those quoted above.

The next newest kernel I can download is 2.6.24-etchnhalf.1-686.


kernel 2.6.24-etchnhalf.1-686 had problems after modprobe eata

Is there any site that has precompiled Debian kernels between
2.6.18.dfsg.1-1etch2 and 2.6.24-etchnhalf.1-686 ?


Arthur.



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Old 12-08-2008, 08:28 AM
Arthur Marsh
 
Default Bug#506835: DPT2044W SCSI adaptor with disk installed but no /dev/sd* devices created

lee wrote, on 29/11/08 04:07:

Hm, I've always been using the kernels from kernel.org without
problems.

You should file a bug report about this problem. Obviously something
has changed that makes the current kernels incompatilbe with the eata
module.


Done and ongoing.

I'm still trying to get to the source of the bug that prevents me from
using a DPT2044W SCSI card that uses the eata module, and have narrowed
down the working and non-working Debian kernel images to between
linux-image-2.6.22-3-686 version 2.6.22-6.lenny1 which works, and
linux-image-2.6.23-1-686 version 2.6.23-1 which fails.


There appear to be a large number of changes between the two and I am
unfamiliar with how to generate an intermediate kernel source with
Debian changes and config to build and test.


I am currently running linux-image-2.6.22-3-686 version 2.6.22-6.lenny1
and dmesg reports the following when loading eata:


EATA/DMA 2.0x: Copyright (C) 1994-2003 Dario Ballabio.
EATA config options -> tm:1, lc:y, mq:16, rs:y, et:n, ip:y, ep:n, pp:y.
EATA0: 2.0C, PCI 0xe010, IRQ 5, BMST, SG 122, MB 64.
EATA0: wide SCSI support enabled, max_id 16, max_lun 8.
EATA0: SCSI channel 0 enabled, host target ID 7.
scsi0 : EATA/DMA 2.0x rev. 8.10.00
scsi 0:0:6:0: Direct-Access IBM DCAS-34330W S65A PQ: 0 ANSI: 2
scsi 0:0:6:0: cmds/lun 16, sorted, simple tags.
sd 0:0:6:0: [sda] 8466688 512-byte hardware sectors (4335 MB)
sd 0:0:6:0: [sda] Write Protect is off
sd 0:0:6:0: [sda] Mode Sense: b3 00 00 08
sd 0:0:6:0: [sda] Write cache: enabled, read cache: enabled, doesn't
support DPO or FUA

sd 0:0:6:0: [sda] 8466688 512-byte hardware sectors (4335 MB)
sd 0:0:6:0: [sda] Write Protect is off
sd 0:0:6:0: [sda] Mode Sense: b3 00 00 08
sd 0:0:6:0: [sda] Write cache: enabled, read cache: enabled, doesn't
support DPO or FUA

sda: sda1 sda2 < sda5 >
sd 0:0:6:0: [sda] Attached SCSI disk

When loading eata in a later kernel I get some of the same messages
followed by a kernel stack trace and later lock-up.


Any help on narrowing down the problem appreciated.

Arthur.



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Old 12-09-2008, 01:16 PM
Arthur Marsh
 
Default Bug#506835: DPT2044W SCSI adaptor with disk installed but no /dev/sd* devices created

Arthur Marsh wrote, on 2008-12-08 19:58:

I'm still trying to get to the source of the bug that prevents me from
using a DPT2044W SCSI card that uses the eata module, and have narrowed
down the working and non-working Debian kernel images to between
linux-image-2.6.22-3-686 version 2.6.22-6.lenny1 which works, and
linux-image-2.6.23-1-686 version 2.6.23-1 which fails.


There appear to be a large number of changes between the two and I am
unfamiliar with how to generate an intermediate kernel source with
Debian changes and config to build and test.


Thanks all for the comments on building kernel.org source under Debian.

What I'm seeing is that I could do a git clone of a kernel.org 2.6.24
tree (once I get adsl2+ up and running and buy an extra hard disk) and
build intermediate kernels (bisection), but surely there must be a way
of generating intermediate *Debian* kernels to narrow down the source of
the problem with running the DPT 2044W SCSI card under later kernels.


Arthur.



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