linux-kernel - Re: Abysmal HDD/USB write speed after sleep on a UEFI system

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Message-ID: <337833384.57445.1361860509194.JavaMail.mail@webmail08>
Date:	Tue, 26 Feb 2013 06:35:09 +0000 (UTC)
From:	"Artem S. Tashkinov" <t.artem@...os.com>
To:	bhelgaas@...gle.com
Cc:	stern@...land.harvard.edu, torvalds@...ux-foundation.org,
	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
	rjw@...k.pl
Subject: Re: Abysmal HDD/USB write speed after sleep on a UEFI system

Feb 26, 2013 03:57:52 AM, Bjorn Helgaas wrote:
>
>Where are we at with this, Artem?  I assume it's still a problem.
>

Yes, it is, Bjorn.

In order to eliminate this problem I switched back to MBR yesterday, because
so far I haven't received any instructions or guidance as to how I can debug
it further. I'm absolutely sure USB write speed is just another manifestation of
it so I decided not to debug USB specifically (it just doesn't make too much
sense).

What I see is that something terribly wrong is going on but if Linus has no ideas
I, as an average Joe, don't have a slightest clue as to what I can do.

The bug report with necessary, but seemingly useless information, can be 
found here: https://bugzilla.kernel.org/show_bug.cgi?id=53551

If anyone comes up with new ideas I can quickly try UEFI again now that I
have two HDDs at my disposal (the old one is formatted as GPT, the new one is
MBR).

Best regards,

Artem
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