From: Jeff Garzik <jeff@garzik.org>
To: Andrei Martynov <andrei.martynov@web.de>
Cc: linux-ide@vger.kernel.org
Subject: Re: libata: waiting for the drives to settle
Date: Sat, 22 Aug 2009 12:13:39 -0400 [thread overview]
Message-ID: <4A901933.6000709@garzik.org> (raw)
In-Reply-To: <969415927.20090821095633@web.de>
On 08/21/2009 03:56 AM, Andrei Martynov wrote:
> Thursday, August 20, 2009, 5:55:47 PM, Jeff Garzik wrote:
>
>> Have you verified this is needed, under libata? We already have several
>> waits...
>
> Unfortunately it is needed. It is embedded system, where bootloader
> always tries to boot from the first device (dvd-rom). Second device
> (hard disk) is not yet ready when kernel is loaded from flash and does
> probe.
Can you show us the dmesg (printk) output from libata, _without_
dev_select or other "wait for drive to settle" special code?
Turn on ATA_DEBUG and ATA_VERBOSE_DEBUG in include/linux/libata.h before
generating this output, please.
Thanks,
Jeff
next prev parent reply other threads:[~2009-08-22 16:13 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-20 9:40 libata: waiting for the drives to settle Andrei Martynov
2009-08-20 15:55 ` Jeff Garzik
2009-08-21 7:56 ` Re[2]: " Andrei Martynov
2009-08-22 16:13 ` Jeff Garzik [this message]
2009-09-02 8:51 ` Andrei Martynov
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