From: Lin Ming <ming.m.lin@intel.com>
To: cwillu <cwillu@cwillu.com>
Cc: Brian Norris <computersforpeace@gmail.com>,
Jeff Garzik <jgarzik@pobox.com>,
linux-ide@vger.kernel.org,
Linux Kernel <linux-kernel@vger.kernel.org>,
Tejun Heo <tj@kernel.org>, Norbert Preining <preining@logic.at>,
"Srivatsa S . Bhat" <srivatsa.bhat@linux.vnet.ibm.com>,
Matt <jackdachef@gmail.com>
Subject: Re: [PATCH v2 0/3] ahci: fix boot/resume COMRESET failures
Date: Wed, 7 Mar 2012 13:28:12 +0800 [thread overview]
Message-ID: <CAF1ivSaDEfDFgF0hz3myjSc0BXhig1XGRa_uMOi=gtf2HTEMHg@mail.gmail.com> (raw)
In-Reply-To: <CAE5mzvgc60+_HOve+5wMsL7fo6jmM_sOB=_pTR1j23=RbP+uPw@mail.gmail.com>
On Mon, Mar 5, 2012 at 1:12 PM, cwillu <cwillu@cwillu.com> wrote:
> On Sun, Mar 4, 2012 at 6:58 PM, Lin Ming <ming.m.lin@intel.com> wrote:
>> On Fri, Mar 2, 2012 at 9:16 PM, cwillu <cwillu@cwillu.com> wrote:
>>> On Tue, Feb 21, 2012 at 12:38 PM, Brian Norris
>>> <computersforpeace@gmail.com> wrote:
>>>> This series addresses regression problems with
>>>>
>>>> commit 7faa33da9b7add01db9f1ad92c6a5d9145e940a7
>>>> ahci: start engine only during soft/hard resets
>>>
>>> I just spent the better part of last night tracking down the specific
>>> sources of the log entry I get when I disconnect my e-sata drive; once
>>> it disconnects, the port is dead until I reboot; no combination of
>>> anything I've been able to poke at in /sys or elsewhere gets it live
>>> again. This starts with 3.3rc1, and turns out to still work fine in
>>> 3.2.1. Any chance it's related?
>>>
>>> 3.3rc5, immediately after the unplug:
>>
>> Hi,
>>
>> I tested on my machine and it's fixed by below patch.
>> http://marc.info/?l=linux-kernel&m=132996405028746&w=2
>>
>> Would you please also try it?
>
> Building it now, and will be able to test in about 5 hours.
Hi,
How about the test result?
Regards,
Lin Ming
>
> After looking at the thread, I spent another couple hours on poking
> /sys, and did get the port to come back up and find the drive with the
> following:
>
> echo on > /sys/devices/pci0000:00/0000:00:1f.2/ata5/power/control
> echo on > /sys/devices/pci0000:00/0000:00:1f.2/ata5/host4/power/control
> echo '- - -' > /sys/devices/pci0000:00/0000:00:1f.2/ata5/host4/scsi_host/host4/scan
> --
next prev parent reply other threads:[~2012-03-07 5:28 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-21 18:38 [PATCH v2 0/3] ahci: fix boot/resume COMRESET failures Brian Norris
2012-02-21 18:38 ` Brian Norris
2012-02-21 18:38 ` [PATCH v2 1/3] ahci: add AHCI_HFLAG_DELAY_ENGINE host flag Brian Norris
2012-02-21 18:38 ` Brian Norris
2012-03-13 20:36 ` Jeff Garzik
2012-02-21 18:38 ` [PATCH v2 2/3] ahci: move AHCI_HFLAGS() macro to ahci.h Brian Norris
2012-02-21 18:38 ` Brian Norris
2012-02-21 18:38 ` [PATCH v2 3/3] ahci_platform: add STRICT_AHCI platform type Brian Norris
2012-02-21 18:38 ` Brian Norris
2012-02-23 0:02 ` [PATCH v2 0/3] ahci: fix boot/resume COMRESET failures Norbert Preining
2012-03-06 18:24 ` Brian Norris
2012-03-02 13:16 ` cwillu
2012-03-05 0:58 ` Lin Ming
2012-03-05 5:12 ` cwillu
2012-03-07 5:28 ` Lin Ming [this message]
2012-03-09 16:07 ` cwillu
2012-03-10 0:07 ` Matt
2012-03-12 22:12 ` Tejun Heo
2012-03-13 20:37 ` Jeff Garzik
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