Date: Sun, 23 Nov 2014 18:56:11 +0100 From: =?ISO-8859-1?Q?Olivier_Cochard=2DLabb=E9?= <olivier@cochard.me> To: Kai Gallasch <k@free.de> Cc: "freebsd-stable@freebsd.org Stable" <freebsd-stable@freebsd.org> Subject: Re: 10.1 RC4 r273903 - zpool scrub on ssd mirror - ahci command timeout Message-ID: <CA%2Bq%2BTcrKBe0mwGHpjdvRRTUnAceQKvsjCsmQyLTnULcVP0dfpA@mail.gmail.com> In-Reply-To: <20141106003240.344dedf6@orwell> References: <20141106003240.344dedf6@orwell>
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On Thu, Nov 6, 2014 at 12:32 AM, Kai Gallasch <k@free.de> wrote: > > Hi. > > Not sure if this is 10.1 related or more a problem of the ssd > model and/or ahci controller.. > > > I find the following kernel message in the output of 'dmesg': (after > running zpool scrub two times) > > > ahcich2: Timeout on slot 15 port 0 > ahcich2: is 00000000 cs 000f0000 ss 000f8000 rs 000f8000 tfd 40 serr > 00000000 cmd 0024cf17 (ada2:ahcich2:0:0:0): READ_FPDMA_QUEUED. ACB: 60 > 8b a6 1d 56 40 0d 00 00 00 00 00 (ada2:ahcich2:0:0:0): CAM status: > Command timeout (ada2:ahcich2:0:0:0): Retrying command > ahcich2: Timeout on slot 23 port 0 > ahcich2: is 00000000 cs 0f000000 ss 0f800000 rs 0f800000 tfd 40 serr > 00000000 cmd 0024d817 (ada2:ahcich2:0:0:0): READ_FPDMA_QUEUED. ACB: 60 > 1b 23 81 bc 40 06 00 00 00 00 00 (ada2:ahcich2:0:0:0): CAM status: > Command timeout (ada2:ahcich2:0:0:0): Retrying command > ahcich2: Timeout on slot 3 port 0 > ahcich2: is 00000000 cs 00000030 ss 00000038 rs 00000038 tfd 40 serr > 00000000 cmd 0024c317 (ada2:ahcich2:0:0:0): READ_FPDMA_QUEUED. ACB: 60 > 26 bd 18 8e 40 12 00 00 00 00 00 (ada2:ahcich2:0:0:0): CAM status: > Command timeout (ada2:ahcich2:0:0:0): Retrying command > > Hi, I meet the same "CAM status: Command timeout" problem since my upgrade from 10.0 to 10.1 on a HP ProLiant MicroServer (AMD SB7x0/SB8x0/SB9x0 SATA Controller). A "zpool scrub" is a way for generating this error message but writting big files (few GB) is another way too.
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