Date: Wed, 16 Nov 2011 21:55:23 +0200 From: Alexander Motin <mav@FreeBSD.org> To: Willem Jan Withagen <wjw@digiware.nl> Cc: FreeBSD Stable <freebsd-stable@freebsd.org> Subject: Re: Trouble with SSD on SATA Message-ID: <4EC4152B.6020404@FreeBSD.org> In-Reply-To: <mailpost.1321460004.9163788.7059.mailing.freebsd.stable@FreeBSD.cs.nctu.edu.tw> References: <mailpost.1321460004.9163788.7059.mailing.freebsd.stable@FreeBSD.cs.nctu.edu.tw>
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Hi. On 16.11.2011 18:12, Willem Jan Withagen wrote: > I'm getting these: > > Nov 16 16:40:49 zfs kernel: ata6: port is not ready (timeout 15000ms) > tfd = 00000080 > Nov 16 16:40:49 zfs kernel: ata6: hardware reset timeout > Nov 16 16:41:50 zfs kernel: ata6: port is not ready (timeout 15000ms) > tfd = 00000080 > Nov 16 16:41:50 zfs kernel: ata6: hardware reset timeout > > When inserting the tray with a SSD disk connected to that controller. > > Which is probably due to a BIOS upgrade.... > At least it started after upgrading the BIOS. So I'm asking SuperMicro > for an older version. > > When this happens, the system sometimes panics, haven't written the > details yet down right now. somewhere in get_devices... > > After the panic I really need to powerdown the machine, otherwise it > boots but stalls at finding any disks. It does not just find no disks, > it "freezes" at the point it should report the found disks in the > bios-boot. > So apparently the ata controller are left in a very confused state. > > Why is the controller found at boot, and works as it should. > And why later it just starts generating these hardware resets?? Looking on messages, I would say that you are using AHCI controller with old ata(4) driver. I would recommend you to try new ahci(4) driver. It has better hot-plug support and also supports NCQ and some other features. Note that disks connected to it will be reported as adaX instead of adY. -- Alexander Motin
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