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Date:      Sun, 9 Feb 2020 22:11:51 -0700
From:      Scott Long <scottl@samsco.org>
To:        "O. Hartmann" <o.hartmann@walstatt.org>
Cc:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   Re: svn commit: r357710 - in head/sys: cam/ata cam/nvme cam/scsi ufs/ffs
Message-ID:  <E1C4E2F6-31B1-4141-BAAE-18A2EA43A063@samsco.org>
In-Reply-To: <20200210060145.6920e8f5@thor.intern.walstatt.dynvpn.de>
References:  <202002100023.01A0NKmY053556@repo.freebsd.org> <20200210060145.6920e8f5@thor.intern.walstatt.dynvpn.de>

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> On Feb 9, 2020, at 10:01 PM, O. Hartmann <o.hartmann@walstatt.org> =
wrote:
>=20
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA256
>=20
> Am Mon, 10 Feb 2020 00:23:20 +0000 (UTC)
> Scott Long <scottl@FreeBSD.org> schrieb:
>=20
>> Author: scottl
>> Date: Mon Feb 10 00:23:20 2020
>> New Revision: 357710
>> URL: https://svnweb.freebsd.org/changeset/base/357710
>>=20
>> Log:
>>  Add rudamentary support for UFS to probe whether a block device =
supports the
>>  BIO_SPEEDUP command.  Add complimentary support to the CAM periphs =
that
>>  support it.
>>=20
>>=20
>=20
> It seems that this commit makes our systems to hang at the point, when =
trying to mount the
> root partition, last seen message on console is:
>=20
> [...]
> mountroot: waiting for device /dev/gpt/root...
>=20
>=20
> The root partitions on those systems resides on UFS2 formated SSDs (if =
this has any relevance).
>=20

Thanks for the report.  It=E2=80=99s unclear to me how this would be =
causing a hang.  I=E2=80=99ll work on it, but are you
certain that it=E2=80=99s this commit and nothing else?

Thanks,
Scott





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