Date: Wed, 13 Oct 2021 15:32:26 -1000 From: "parv/freebsd" <parv.0zero9+freebsd@gmail.com> To: freebsd-questions@freebsd.org Subject: Re: NFS v3 - FreeBSD 12 server connection getting timed out on CentOS 8 client- bug filed #259163 Message-ID: <CABObuOqXO%2B5L_SXnOUOB6fE7zVvKWHMv9iyW2iQQHX6JU6=DFQ@mail.gmail.com> In-Reply-To: <CABObuOpeU4ihvXLg3bDpOgQh2O07f4OB%2BGhWt0hFedr1a=qW6w@mail.gmail.com> References: <CABObuOr5rLSoUhm8LsWr6hQZVmpBGrYvJE%2BnruV1kmB8W-9XnQ@mail.gmail.com> <CABObuOpqxqT8N0qLZjoSfrbLVJgw2Oj315_vXjbhoPOTS2Ov%2BA@mail.gmail.com> <CABObuOrhtwPuJeFQmqa-YWrejRqpm8qGpkj9XXuTLXM3mbAcDQ@mail.gmail.com> <CABObuOpeU4ihvXLg3bDpOgQh2O07f4OB%2BGhWt0hFedr1a=qW6w@mail.gmail.com>
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--0000000000002e993e05ce461164 Content-Type: text/plain; charset="UTF-8" On Wed, Oct 13, 2021 at 2:45 PM parv/freebsd wrote: > On Wed, Aug 25, 2021 at 3:52 AM parv/freebsd wrote: > >> On Tue, Aug 24, 2021 at 2:20 PM parv/freebsd wrote: >> >> On Sun, Aug 22, 2021 at 8:05 PM parv/freebsd wrote: >>> >>> (I have rearranged my quoted email) >>> >>> [CentOS 8 NFS v3 client sometimes prints ...] >>> >>>> Aug 21 08:31:04 [CLIENT] kernel: watchdog: BUG: soft lockup - CPU#0 >>>> stuck for 22s! [kworker/u24:0:672075] >>>> >>>> Aug 21 08:31:04 [CLIENT] kernel: watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [kworker/u24:10:672632] >>>> >>>> ... >> >>> How do I go about investigating or solve this? >>> >>> ... >> >>> I have collected tcpdump output on both server & client ... >>> >>> https://github.com/parv/centos8-nfs3-issue/ >>> >> ... >> >> While trying to find if there is an update for CentOS 8 "nfs-utils" >> package, I came upon the thread on "linux-nfs" mailing list ... >> >> CPU lockup in or near new filecache code, 201912, >> https://marc.info/?l=linux-nfs&m=157599524312895&w=2 ; >> >> a patch, 201912, >> https://marc.info/?l=linux-nfs&m=157609449120027&w=2 ; >> >> more to come, 202001 >> https://marc.info/?l=linux-nfs&m=157807452103938&w=2 ? >> > ... > Moving to FreeBSD 12.2-p9 or -p10 did not solve issue of FreeBSD NFS v3 >> server >> timing out on CentOS 8 client after ~13-14 minutes of file copying. >> >> But going back to -p8 did; there were no more "CPU stuck", stack traces >> on CentOS 8. >> >> Update of -p9 brought changes to libcasper >> > Bug filed: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=259163 - parv > --0000000000002e993e05ce461164--
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