From: Tejun Heo <htejun@gmail.com>
To: Alexander Sabourenkov <screwdriver@lxnt.info>
Cc: linux-ide@vger.kernel.org, MisterE <MisterE2002@zonnet.nl>,
alan@lxorguk.ukuu.org.uk, benh@kernel.crashing.org,
jgarzik@pobox.com, jeff@garzik.org
Subject: Re: Sata Sil3512 bug?; Promise SATA300 TX4
Date: Sat, 20 Oct 2007 08:58:15 +0900 [thread overview]
Message-ID: <47194497.3040101@gmail.com> (raw)
In-Reply-To: <47191C3A.5040909@lxnt.info>
[-- Attachment #1: Type: text/plain, Size: 527 bytes --]
Alexander Sabourenkov wrote:
> Hello.
>
>> So, my bet for your second report is your hardware went through
>> something similar as above.
>>
>
> Thanks for the insight. Let's dismiss it then.
>
> Back to the TX4, I tried libata-dev.git cloned at about 20:00 UTC 19.10,
> no perceived difference - parallel read from two drives causes a lot
> of errors.
>
> dmesgs with boot and errors are at http://lxnt.info/linux/libata-dev/
>
> I don't know what to try next. Any ideas?
>
Does the attached patch help?
--
tejun
[-- Attachment #2: limit-PHY-to-1.5Gbps.patch --]
[-- Type: text/plain, Size: 402 bytes --]
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 68699b3..4c93fee 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -6435,6 +6435,7 @@ int sata_link_init_spd(struct ata_link *link)
spd = (scontrol >> 4) & 0xf;
if (spd)
link->hw_sata_spd_limit &= (1 << spd) - 1;
+ link->hw_sata_spd_limit = 1;
link->sata_spd_limit = link->hw_sata_spd_limit;
next prev parent reply other threads:[~2007-10-19 23:58 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-03 7:26 Re[2]: Sata Sil3512 bug? Mikael Pettersson
2007-10-03 8:31 ` Alexander Sabourenkov
2007-10-03 14:45 ` Re[2]: " MisterE
2007-10-03 14:50 ` Alan Cox
2007-10-14 12:07 ` Re[2]: " MisterE
2007-10-15 8:44 ` Alexander Sabourenkov
2007-10-17 12:39 ` Re[2]: Sata Sil3512 bug?; Promise SATA300 TX4 MisterE
2007-10-17 12:54 ` Alexander Sabourenkov
2007-10-17 15:04 ` Re[2]: " MisterE
2007-10-17 19:21 ` Peter Favrholdt
2007-10-19 12:02 ` Re[2]: " MisterE
2007-10-18 21:07 ` Alexander Sabourenkov
2007-10-19 1:26 ` Tejun Heo
2007-10-19 21:06 ` Alexander Sabourenkov
2007-10-19 22:58 ` Re[2]: " MisterE
2007-10-19 23:58 ` Tejun Heo [this message]
2007-10-20 21:50 ` Alexander Sabourenkov
2007-10-27 13:24 ` [PATCH-RFC] (was: Re: Sata Sil3512 bug?; Promise SATA300 TX4) Alexander Sabourenkov
2007-10-27 13:44 ` [PATCH-RFC] Alexander Sabourenkov
2007-10-27 14:08 ` Re[2]: [PATCH-RFC] MisterE
2007-10-27 15:09 ` [PATCH-RFC] Alexander Sabourenkov
2007-10-27 15:16 ` [PATCH-RFC] Promise TX4 implement hw-bug workaround Alexander Sabourenkov
2007-10-27 18:09 ` Alan Cox
2007-10-27 18:18 ` Alexander Sabourenkov
2007-10-27 18:37 ` Alexander Sabourenkov
2007-10-28 8:21 ` Jeff Garzik
2007-10-28 20:03 ` Alexander Sabourenkov
2007-10-28 10:29 ` Jeff Garzik
2007-10-28 11:52 ` Alexander Sabourenkov
2007-10-28 11:10 ` Jeff Garzik
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