Re: 2.6.27.6 question: ata_sff_hsm_move: ata15 (why always ata15)?

From: Justin Piszcz
Date: Fri Nov 14 2008 - 19:12:58 EST



On Fri, 14 Nov 2008, Justin Piszcz wrote:

I am trying to find out what the root cause of this error/problem is:
https://bugzilla.redhat.com/show_bug.cgi?id=462425

It seems like every week or other week someone else reports this on the linux-raid mailing list.

I have enabled debugging in the libata.h file and I find that ata15 is constantly being accessed for some reason, why is this?

The first two disks are md/RAID1, the other volume is not being written to or read:


In messages:

Nov 14 19:12:01 p34 kernel: [ 2485.558898] ata15: ata_dev_select: ENTER, device 0, wait 1
Nov 14 19:12:01 p34 kernel: [ 2485.559318] ata15: ata_dev_select: ENTER, device 0, wait 1
Nov 14 19:12:03 p34 kernel: [ 2487.554449] ata15: ata_dev_select: ENTER, device 0, wait 1
Nov 14 19:12:03 p34 kernel: [ 2487.554725] ata15: ata_dev_select: ENTER, device 0, wait 1
Nov 14 19:12:03 p34 kernel: [ 2487.555399] ata15: ata_dev_select: ENTER, device 0, wait 1
Nov 14 19:12:03 p34 kernel: [ 2487.555746] ata15: ata_dev_select: ENTER, device 0, wait 1
Nov 14 19:12:03 p34 kernel: [ 2487.556194] ata15: ata_dev_select: ENTER, device 0, wait 1
Nov 14 19:12:03 p34 kernel: [ 2487.556449] ata15: ata_dev_select: ENTER, device 0, wait 1

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/