2.2.18pre24 spurious diskchanges

2.2.18pre24 spurious diskchanges

[Xavier Bestel]

Hi,

on my ide CDROm I get, roughly each 2 seconds, disk changes although the
drive is empty and I don't touch it:

Dec 12 08:57:43 localhost kernel: VFS: Disk change detected on device
ide0(3,64) 
Dec 12 08:58:14 localhost last message repeated 16 times
Dec 12 08:59:16 localhost last message repeated 31 times
Dec 12 09:00:17 localhost last message repeated 30 times
Dec 12 09:01:19 localhost last message repeated 31 times
Dec 12 09:02:21 localhost last message repeated 31 times
etc ...


Xav
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Re: 2.2.18pre24 spurious diskchanges

[Alan Cox]

> on my ide CDROm I get, roughly each 2 seconds, disk changes although the
> drive is empty and I don't touch it:

some drives report a disk change every time they are asked when empty. This
confuses magicdev somewhat
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Re: 2.2.18pre24 spurious diskchanges

[Xavier Bestel]

> >on my ide CDROm I get, roughly each 2 seconds, disk changes although the
> >drive is empty and I don't touch it:
> >
> >Dec 12 08:57:43 localhost kernel: VFS: Disk change detected on device
> >ide0(3,64)
> >Dec 12 08:58:14 localhost last message repeated 16 times
> >Dec 12 08:59:16 localhost last message repeated 31 times
> >Dec 12 09:00:17 localhost last message repeated 30 times
> >Dec 12 09:01:19 localhost last message repeated 31 times
> >Dec 12 09:02:21 localhost last message repeated 31 times
> >etc ...
> 
> It would probably help if you told us what make/model CD-ROM drive, and
> whether you're using any particular driver with it (usually the standard
> ATAPI one).

Dec 11 17:13:38 localhost kernel: hdb: UJDA150, ATAPI CDROM drive 
Dec 11 17:13:38 localhost kernel: ide2: ports already in use, skipping probe 
Dec 11 17:13:38 localhost kernel: ide0 at 0x1f0-0x1f7,0x3f6 on irq 14 
Dec 11 17:13:38 localhost kernel: hda: IBM-DADA-25400, 5153MB w/460kB Cache, CHS=698/240/63, UDMA 
Dec 11 17:13:38 localhost kernel: hdb: ATAPI 24X CD-ROM drive, 128kB Cache 
Dec 11 17:13:38 localhost kernel: Uniform CD-ROM driver Revision: 3.11 

It's the internal CDROM in a Compaq Armada 1700.

Oops, I just killed magicdev, as told by someone, and this is gone.

Xav
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Re: 2.2.18pre24 spurious diskchanges

[Jens Axboe]

On Tue, Dec 12 2000, Xavier Bestel wrote:
> > >on my ide CDROm I get, roughly each 2 seconds, disk changes although the
> > >drive is empty and I don't touch it:
> > >
> > >Dec 12 08:57:43 localhost kernel: VFS: Disk change detected on device
> > >ide0(3,64)
> > >Dec 12 08:58:14 localhost last message repeated 16 times
> > >Dec 12 08:59:16 localhost last message repeated 31 times
> > >Dec 12 09:00:17 localhost last message repeated 30 times
> > >Dec 12 09:01:19 localhost last message repeated 31 times
> > >Dec 12 09:02:21 localhost last message repeated 31 times
> > >etc ...
> > 
> > It would probably help if you told us what make/model CD-ROM drive, and
> > whether you're using any particular driver with it (usually the standard
> > ATAPI one).

Huh? It says (3,64) which would make it hdd -- the only driver possible
is ide-cd here.

> Oops, I just killed magicdev, as told by someone, and this is gone.

Yep, remove that awful beast.

-- 
* Jens Axboe <axboe@suse.de>
* SuSE Labs
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