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Hermes SMTP Server) with ESMTPA ID 6c61045bc5ca1d40a77fd5c903efe8a9; Fri, 18 Aug 2023 18:05:47 +0000 (UTC) From: Mark Millard Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable List-Id: Discussions about the use of FreeBSD-current List-Archive: https://lists.freebsd.org/archives/freebsd-current List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-current@freebsd.org Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3731.700.6\)) Subject: Re: ZFS deadlock in 14 Date: Fri, 18 Aug 2023 11:05:35 -0700 References: <5B44567B-BD35-4E37-A016-0EA71D0EB9F1@yahoo.com> To: Current FreeBSD In-Reply-To: <5B44567B-BD35-4E37-A016-0EA71D0EB9F1@yahoo.com> Message-Id: <38A2B0B7-4B9A-4919-A270-75242070B10E@yahoo.com> X-Mailer: Apple Mail (2.3731.700.6) X-Spamd-Result: default: False [-3.50 / 15.00]; NEURAL_HAM_SHORT(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_LONG(-1.00)[-0.999]; DMARC_POLICY_ALLOW(-0.50)[yahoo.com,reject]; MV_CASE(0.50)[]; R_DKIM_ALLOW(-0.20)[yahoo.com:s=s2048]; R_SPF_ALLOW(-0.20)[+ptr:yahoo.com]; MIME_GOOD(-0.10)[text/plain]; TO_MATCH_ENVRCPT_ALL(0.00)[]; FROM_HAS_DN(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[98.137.68.83:from]; RCPT_COUNT_ONE(0.00)[1]; MLMMJ_DEST(0.00)[freebsd-current@freebsd.org]; ARC_NA(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; RWL_MAILSPIKE_POSSIBLE(0.00)[98.137.68.83:from]; DKIM_TRACE(0.00)[yahoo.com:+]; TO_DN_ALL(0.00)[]; FREEMAIL_FROM(0.00)[yahoo.com]; DWL_DNSWL_NONE(0.00)[yahoo.com:dkim]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; RCVD_TLS_LAST(0.00)[]; ASN(0.00)[asn:36647, ipnet:98.137.64.0/20, country:US]; FREEMAIL_ENVFROM(0.00)[yahoo.com]; RCVD_COUNT_TWO(0.00)[2] X-Spamd-Bar: --- X-Rspamd-Queue-Id: 4RS8tn1Gbnz3cn6 [I had sent to the wrong list. Just fixing that here.] On Aug 18, 2023, at 09:26, Mark Millard wrote: > Dag-Erling_Sm=C3=B8rgrav wrote on > Date: Fri, 18 Aug 2023 14:16:12 UTC : >=20 >> Dag-Erling Sm=C3=B8rgrav writes: >>> A kernel built from c47116e909 plus these two patches has so far = built >>> 2,285 packages without a hitch, whereas normally it would have >>> deadlocked after well before reaching 500 packages. I'll do another = run >>> without the patches tomorrow just to be sure. >>=20 >> Plot twist: c47116e909 _without_ the patches also appears to be = working >> fine. The last kernel I know for sure deadlocks is b36f469a15, so I'm >> going to test cd25b0f740 and 28d2e3b5de. >=20 > I'm confused: >=20 > Tue, 18 Jul 2023 > . . . > =E2=80=A2 git: b36f469a15ec - main - zfs: set autotrim default to = 'off' Yuri Pankov >=20 > But you had written: >=20 > Dag-Erling_Sm=C3=B8rgrav > Date: Tue, 15 Aug 2023 17:37:45 UTC=20 > The attached script successfully deadlocks 9228ac3a69c4 >=20 > where: >=20 > Thu, 10 Aug 2023 > . . . > =E2=80=A2 git: 9228ac3a69c4 - main - ixgbe: Add support for 82599 = LS Kevin Bowling >=20 > (You had previously reported a poudriere deadlock there as well.) >=20 > Later on 2023-Aug-10 there is (about 11 or so commits later): >=20 > =E2=80=A2 git: cd25b0f740f8 - main - zfs: cherry-pick fix from = openzfs Martin Matuska=20 > =E2=80=A2 git: 28d2e3b5dedf - main - zfs: cherry-pick fix from = openzfs Martin Matuska >=20 >=20 > I'll note there was also this: >=20 > Dag-Erling_Sm=C3=B8rgrav > Date: Sat, 12 Aug 2023 14:11:10 UTC=20 > . . . > Trying to narrow this range down, I did not get a deadlock with > 4e8d558c9d1c (10 June) but I did with b7198dcfc039 (16 June), albeit > after building ~1800 packages. > . . . >=20 > So the count seems to sometimes go well above 500 or so. =3D=3D=3D Mark Millard marklmi at yahoo.com