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From: Andrew Morton <akpm@osdl.org>
To: Jean Delvare <khali@linux-fr.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: mmap() on cdrom files fails in 2.6.9-rc2-mmX
Date: Sat, 2 Oct 2004 00:42:21 -0700	[thread overview]
Message-ID: <20041002004221.33510f46.akpm@osdl.org> (raw)
In-Reply-To: <20040928214246.41b80d30.khali@linux-fr.org>

Jean Delvare <khali@linux-fr.org> wrote:
>
> I think I found a bug in 2.6.9-rc2-mm4. It doesn't seem to be able to
> mmap() files located on cdroms. Same problem with -mm3 and -mm1.
> 2.6.9-rc2 works fine. I reproduced it on two completely different
> systems, so I guess it isn't device dependant.
> 

So I tried your .config

> ...
> # CONFIG_BLK_DEV_IDECD is not set

hm.  You're not using an IDE CDROM?

> CONFIG_BLK_DEV_SR=m

but you are using a SCSI CDROM, correct?

I tried your test app on both IDE CD with my .config and on SCSI CD with
your .config.  Works fine.


vmm:/mnt/cdrom> ~/test-mmap REGSVR32.EXE 
mmap size=42 flags=1: OK
mmap size=42 flags=2: OK
mmap size=4096 flags=1: OK
mmap size=4096 flags=2: OK



  parent reply	other threads:[~2004-10-02  7:45 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-09-28 19:42 mmap() on cdrom files fails in 2.6.9-rc2-mmX Jean Delvare
2004-09-30 18:49 ` Bill Davidsen
2004-10-02  7:42 ` Andrew Morton [this message]
2004-10-02 16:48   ` Jean Delvare

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