Messages in this thread | | | Date | Wed, 28 Feb 2001 12:30:14 +0000 | From | Pavel Machek <> | Subject | Re: Disk change messages |
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Hi!
> I've been trying to use vold to automount CDs. The daemon tries to open > /dev/cdrom and if it succeeds it examines the media and mounts it under > /cdrom/volume_name. > > The problem is that when there is no disk in the drive the following > message: > VFS: Disk change detected on device ide1(22,0) > is written to system log during each open call. Vold calls open every 5 > seconds, so it's 17280 lines in log/day. I have been able to avoid these > messages by commenting out a line in drivers/ide/ide-cd.c (patch > included) and have not seen any problems yet. > > I guess I have three questions: > 1. can this patch break things ? I suppose it could happen only
No.
> 2. is it possible to avoid the message by modifying vold ? E.g. finding > out that there is no media in the drive without calling open.
Don't think so.
> 3. is there a clean way to avoid these repeated messages ?
Syslogdshould sumarize "last message repeated 123456 times" .
> Thanks, Petr > > --- ide-cd.c 2001/02/22 22:30:02 1.1.1.11 > +++ ide-cd.c 2001/02/27 19:51:58 > @@ -601,7 +601,7 @@ > > /* Check for tray open. */ > if (sense_key == NOT_READY) { > - cdrom_saw_media_change (drive); > +/* cdrom_saw_media_change (drive); */ > } else if (sense_key == UNIT_ATTENTION) { > /* Check for media change. */ > cdrom_saw_media_change (drive); > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/
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