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From: Tejun Heo <tj@kernel.org>
To: Alex Deucher <alexdeucher@gmail.com>
Cc: LKML <linux-kernel@vger.kernel.org>
Subject: Re: ATA failure regression in kernel 4.2
Date: Thu, 23 Jul 2015 14:35:48 -0400	[thread overview]
Message-ID: <20150723183548.GS15934@mtj.duckdns.org> (raw)
In-Reply-To: <CADnq5_Nfj5rENn7+8MaKQtnevJt=ntdbjun9bxJLUUKz_D7dUQ@mail.gmail.com>

Hello,

On Thu, Jul 23, 2015 at 01:48:24PM -0400, Alex Deucher wrote:
> Something new in kernel 4.2 seems to have broken one of my hard drives
> (ssd) in kernel 4.2.  4.1 and older kernels work fine.  Here are the
> relevant logs.
> 
...
> [    6.547628] ata2.00: qc timeout (cmd 0xec)
> [    6.547721] ata2.00: failed to IDENTIFY (I/O error, err_mask=0x4)
> [    7.007213] ata2: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
> [   16.997819] ata2.00: qc timeout (cmd 0xec)
> [   16.997910] ata2.00: failed to IDENTIFY (I/O error, err_mask=0x4)
> [   16.997995] ata2: limiting SATA link speed to 3.0 Gbps
> [   17.457400] ata2: SATA link up 3.0 Gbps (SStatus 123 SControl 320)
> [   47.429257] ata2.00: qc timeout (cmd 0xec)
> [   47.429349] ata2.00: failed to IDENTIFY (I/O error, err_mask=0x4)
> [   47.888822] ata2: SATA link up 3.0 Gbps (SStatus 123 SControl 320)

Nothing really rings a bell.  Timeouts on IDENTIFY.  Could be IRQ
related.  Which controller is it (lspci -nn)?  Also, can you try to
bisect the issue?

Thanks.

-- 
tejun

  reply	other threads:[~2015-07-23 18:35 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-23 17:48 Alex Deucher
2015-07-23 18:35 ` Tejun Heo [this message]
2015-07-23 18:44   ` Alex Deucher
2015-07-24 17:38     ` Alex Deucher
2015-07-27  3:01       ` Jiang Liu
2015-07-27 15:21         ` Alex Deucher
2015-07-27 16:30           ` Jiang Liu
2015-07-27 17:36             ` Alex Deucher
2015-07-28 18:19             ` Alex Deucher
2015-07-28 18:37               ` Alexander Holler
2015-07-30 17:01                 ` [Debug Patch] Collect more information about the regression Jiang Liu
2015-07-31 10:38                 ` ATA failure regression in kernel 4.2 Alexander Holler
2015-07-31 10:42                   ` Jiang Liu
2015-07-31 18:59                     ` Alexander Holler

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