Date: Mon, 25 May 2015 13:40:07 -0700 From: Garrett Cooper <yaneurabeya@gmail.com> To: Alexander Motin <mav@FreeBSD.org> Cc: FreeBSD Current <freebsd-current@freebsd.org>, "freebsd-testing@freebsd.org" <freebsd-testing@FreeBSD.org> Subject: Re: cam(4) timeouts in bhyve/kyua runs up on Jenkins? Message-ID: <9FBE053A-971A-433E-9B88-D62CF9273CFB@gmail.com> In-Reply-To: <553F3CA7.9090601@FreeBSD.org> References: <28845361-E624-4CB9-B255-1B2C1FD0DF28@gmail.com> <4BEE0A54-3AD2-42DB-AF4E-2B0A5E34DF4E@gmail.com> <553F3CA7.9090601@FreeBSD.org>
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--Apple-Mail=_5D3EEEA5-1A3C-46B2-82EB-6A94946A4712 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=windows-1252 On Apr 28, 2015, at 0:54, Alexander Motin <mav@FreeBSD.org> wrote: > Hi. >=20 > On 27.04.2015 21:17, Garrett Cooper wrote: >> On Apr 27, 2015, at 11:16, Garrett Cooper <yaneurabeya@gmail.com> >> wrote: >>=20 >>> I was looking at the console log for the latest kyua run and I=92ve >>> noticed that it=92s timing out a bit more [1] than it was >>> previously [2]. I=92ve seen some of your commits recently to cam(4) >>> dealing with bhyve =97 has there been a performance regression >>> there? Thanks! -NGie >>>=20 >>> 1. >>> https://jenkins.freebsd.org/job/FreeBSD_HEAD-tests2/940/console >>> 2. >>> https://jenkins.freebsd.org/job/FreeBSD_HEAD-tests2/983/console >>=20 >> (Sorry for not being more explicit for the archives) These are the >> timeouts I=92m referring to: >>=20 >> ahcich0: is 00000000 cs 00000000 ss 1f000000 rs 1f000000 tfd 50 >> serr 00000000 cmd 1000dc17 (ada0:ahcich0:0:0:0): >> WRITE_FPDMA_QUEUED. ACB: 61 08 a8 54 1e 40 00 00 00 00 00 00 >> (ada0:ahcich0:0:0:0): CAM status: Command timeout >> (ada0:ahcich0:0:0:0): Retrying command >=20 > Last time I was more working on bhyve host disk emulation, rather then > on cam(4) running on guest. Considering that, what guest and what host > versions are you running? Is there any other load on host except this = VM > that could cause I/O delays high enough to trigger timeouts? What are > you using to back the virtual disk (file, zvol, ...)? I have no idea what the Jenkins slaves are running in terms of = configuration/version/etc. You=92ll have to ask jenkins-admin@=85 Thanks! -NGie --Apple-Mail=_5D3EEEA5-1A3C-46B2-82EB-6A94946A4712 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQEcBAEBCgAGBQJVY4ioAAoJEMZr5QU6S73eoGoIAK5f9kc3gPAU3E96tUUvt15y 75QNlP2UkqyEWTsKuDZqi/5wXWYqfos7cK4dDpKKTJIQauk9mDsNhUhRU31aYKhm l/Ehe0MzsisriikzgR31zZBPhcmrlNBFUOIDtVe4Vl+4oNHkzazR37w0igZtdsqv Pl+f33mr0N4vkvuBQwiTSPZPBTVMuZ82txWnDBFY6+JnjuEqN4N4j+OX5avIQ0wn 9ZH2D4+jWIHelc9Gw7r67ozHX2VSfHdQtotTop/PoMjymbngx84Khs/w+s4FskhL TGkGsKP7pzp3ZvwdWEKkxCBfI40T8lSB12i7G8CRtrtRJm3M0GX3VTNM560Qgfw= =yVU5 -----END PGP SIGNATURE----- --Apple-Mail=_5D3EEEA5-1A3C-46B2-82EB-6A94946A4712--
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