linux-kernel - Re: [BUGFIX 0/9] Fix bug 59501 and code improvement for dock driver

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Date:	Thu, 13 Jun 2013 23:43:45 +0600
From:	"Alexander E. Patrakov" <patrakov@...il.com>
To:	Jiang Liu <jiang.liu@...wei.com>
Cc:	"Rafael J . Wysocki" <rjw@...k.pl>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Yinghai Lu <yinghai@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Yijing Wang <wangyijing@...wei.com>,
	Jiang Liu <liuj97@...il.com>, linux-pci@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [BUGFIX 0/9] Fix bug 59501 and code improvement for dock driver

2013/6/13 Jiang Liu <jiang.liu@...wei.com>:
> Alexander E. Patrakov <patrakov@...il.com> reports two bugs related to
> dock station support on Sony VAIO VPCZ23A4R. Actually there are at least
> four bugs related to Sony VAIO VPCZ23A4R dock support.
> 1) can't correctly detect hotplug slot for dock state
> 2) resource leak on undocking
> 3) resource allocation failure for dock devices
> 4) one bug in intel_snd_hda driver
>
> The first patch fixes issue 1, and the second patch fixes issue 2.
> These two patches, if accepted, should be material for stable branches
> too.
> Patch 3-9 are code improvement for ACPI and dock driver.
>
> I have found the root cause for issue three, but still working on
> solutions, and seems can't be solve in short time. So please help
> to review and test patches for issue 1) and 2) first.
>
> Hi Alexander, could you please help to test the whole patchset?

Tested on top of 3.10-rc5, with no other patches applied.
Unfortunately, lockdep complains on the second docking attempt in the
initially-undocked case. Please see the attached dmesg output.

I have not tested the initially-docked case yet, will do that in 10 minutes.

-- 
Alexander E. Patrakov

View attachment "dmesg.txt" of type "text/plain" (102185 bytes)