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SubjectRe: Weird hard disk noise on shutdown (bug #7674)
(I'm sorry if the thread breaks, i'm not subscribed)

2007/2/21, Alan <>:
> Stick some printk calls in drivers/ata/libata-eh.c in ata_eh_suspend, or
> turn on all the ATA debug and shutdown, the code should issue a cache
> flush followed by a standbynow1 command for each disk.
> Alan

Hi! Using netconsole, i was able to capture some printk output.
Following some advices in the net (forum threads about similar
problems), i did this to enable more verbose printk printing:

echo 8 > /proc/sys/kernel/printk
echo 1 > /proc/sys/vm/block_dump

This was the result:

However, i'm not still sure i enabled as much debugging info as i
could in the kernel configuration. If you need more, please point me
to precise configuration options.

Thanks for your response.

Francesco Pretto
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