Re: dmesg spam

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Andrew Morton wrote:
On Mon, 4 Feb 2008 15:24:55 +0100 Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx> wrote:

On Sunday 03 February 2008, Andrew Morton wrote:
With latest -mm, running fc8 I am getting this in the logs,
                           ^^^
=> SCSI/libata

cc:ing Jeff

once per second.

sr0: CDROM not ready.  Make sure there is a disc in the drive.
sr0: CDROM not ready.  Make sure there is a disc in the drive.
sr0: CDROM not ready.  Make sure there is a disc in the drive.
sr0: CDROM not ready.  Make sure there is a disc in the drive.
sr0: CDROM not ready.  Make sure there is a disc in the drive.
sr0: CDROM not ready.  Make sure there is a disc in the drive.
sr0: CDROM not ready.  Make sure there is a disc in the drive.
sr0: CDROM not ready.  Make sure there is a disc in the drive.
sr0: CDROM not ready.  Make sure there is a disc in the drive.

Well..  it's coming out of the kernel.  Presumably it's that cdrom polling
thing in KDE.  James recently made changes to sr_ioctl.c but I've been
buried in more terminal regressions than this one.

I don't see this in upstream... can you isolate it to a particular git tree?

Clearly userland is initiating a once-per-second poll. That is quite normal for 99% of CDROMs, which do not support async notification.

But also clearly that message is printk'd way too much in your case.

	Jeff




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