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dnadan-list | 2 Nov 2002 15:36
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Deskstar 180GXP, 2.5.45, TCQ

I recently bought a 60GB Deskstar 180GXP, IC35L060AVV207-0, and it seems 
to work just fine with TCQ and DMA, ATA-100 enabled. I'm using an Abit KT133A
mb without RAID controller. The thing is, I get these boot messages, from dmesg:

block request queues:
 128 requests per read queue
 128 requests per write queue
 8 requests per batch
 enter congestion at 31
 exit congestion at 33
Floppy drive(s): fd0 is 1.44M
FDC 0 is a post-1991 82077
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 00:07.1
VP_IDE: chipset revision 6
VP_IDE: not 100% native mode: will probe irqs later
ide: Assuming 33MHz system bus speed for PIO modes; override with 
idebus=xx
VP_IDE: VIA vt82c686b (rev 40) IDE UDMA100 controller on pci00:07.1
    ide0: BM-DMA at 0xe000-0xe007, BIOS settings: hda:pio, hdb:pio
    ide1: BM-DMA at 0xe008-0xe00f, BIOS settings: hdc:DMA, hdd:pio
hdc: IC35L060AVV207-0, ATA DISK drive
hdc: DMA disabled
hdc: bad special flag: 0x03
hdc: tagged command queueing enabled, command queue depth 32
ide1 at 0x170-0x177,0x376 on irq 15
hdc: host protected area => 1
hdc: 120103200 sectors (61493 MB) w/1821KiB Cache, CHS=7476/255/63,
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tho | 21 Nov 2002 00:35

kernel panic in ide_init_queue (if tagged command queueing is configured)

Hi,

the 2.5.4x (for x in {4,7,8} verified) panics in ide_init_queue on my
IBM ThinkPad X21 (2662XXK) with 20GB TravelStar (IC25N020ATCS04-0) if
 CONFIG_BLK_DEV_IDE_TCQ is set.

Should the laptop/harddisk on a blacklist or is that feature _that_
experimental?

Please let me know, if I can provide more information to help solve
this issue (which is minor, _if_ it is documented).

cheers
    Guenther

PS: Please e-mail me directly, as I do not frequent this list.
PS2: Oops, I almost sent the System map, but that beast is 0.5MB
uncompressed. I'm sure not everyone on the list wants that ;-}

#text/plain; name="2.5.47-panic" [reg dump / stack trace] /home/tho/2.5.47-panic

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Yann Le Doaré | 25 Nov 2002 10:43
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new option : ide-scsi only for CD-writers ?

Hi !

I have a project : http://linuxconsole.free.fr where I am using Linux to 
boot on CD then use mutimedia apps & games.

Options (ex networks, games prefs & backups) can be saved by burning new 
session on CD.

My problem is :  with ATAPI CD-writers, there are not other choices than 
precise where is the CD-writer at boot prompt, ie which device uses SCSI 
emulation (/dev/hddb, /dev/hdc or /dev/hdd).

It would be better if automaticaly only the CD-Writer had  ide-scsi 
module enabled.

So my question : is it a good idea to make a new option for ide module 
that use "ide-scsi" only with CD-writers devices ?

(I could write a patch)

Thanks.

Yann Le Doaré, France

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Jim Halfpenny | 29 Nov 2002 21:15

UDMA causes IDE corruption on Shuttle AK32L mobo (VIA KT266A), kernel 2.4.1[89]

Hi,
I'm experiencing corrupted writes to IDE disks using a Shuttle AK32
V2.1 motherboard, Athlon XP1800+, 256Mb DDR RAM when DMA is enabled.
Disabling DMA using `hdparm -d0 /dev/hda` fixes this. I have tried
two different hard disks, so I don't think that it is a fault with
the drive itself.

I have seen the behaviour using the stock 2.4.18 kernel from Mandrake
8.2. and the 2.4.19 kernel from Mandrake 9.0:
Linux version 2.4.19-16mdk (quintela <at> bi.mandrakesoft.com) (gcc version
3.2 (Mandrake Linux 9.0 3.2-1mdk)) #1 Fri Sep 20 18:15:05 CEST 2002

There are no log entries in /var/log/messages or /var/log/syslog when
these faulty writes take place to indicate that there are any problems
but copying a large file and checking it's md5sum shows it to be
damaged.

Below is the output of various commands / logs which may be relevant.

Regards,
Jim Halfpenny

########################

Startup log messages (/var/log/messages):
Nov 24 12:24:47 fox kernel: ide: Assuming 33MHz system bus speed for PIO
modes; override with idebus=xx
Nov 24 12:24:47 fox kernel: VP_IDE: IDE controller on PCI bus 00 dev 89
Nov 24 12:24:47 fox kernel: PCI: No IRQ known for interrupt pin A of
device 00:11.1. Please try using pci=biosirq.
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Alan Cox | 29 Nov 2002 22:24
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Re: UDMA causes IDE corruption on Shuttle AK32L mobo (VIA KT266A), kernel 2.4.1[89]

On Fri, 2002-11-29 at 20:15, Jim Halfpenny wrote:
> I have seen the behaviour using the stock 2.4.18 kernel from Mandrake
> 8.2. and the 2.4.19 kernel from Mandrake 9.0:
> Linux version 2.4.19-16mdk (quintela <at> bi.mandrakesoft.com) (gcc version
> 3.2 (Mandrake Linux 9.0 3.2-1mdk)) #1 Fri Sep 20 18:15:05 CEST 2002

Vendor kernel reports generally ahould go to the vendor, because the
vendor kernels are often quite different from the base one.

> There are no log entries in /var/log/messages or /var/log/syslog when
> these faulty writes take place to indicate that there are any problems
> but copying a large file and checking it's md5sum shows it to be
> damaged.

UDMA data transfers are verified by hardware end to end. UDMA showing up
memory problems is not unknown, but thats only one possibility.

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