Date: Sun, 23 Jan 2022 16:58:27 -0700 From: Warner Losh <imp@bsdimp.com> To: Dima Panov <fluffy@freebsd.org> Cc: FreeBSD Current <freebsd-current@freebsd.org>, tech-lists <tech-lists@zyxst.net>, "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org> Subject: Re: POLLHUP detected on devd socket Message-ID: <CANCZdfoYZGH5ykcKqmsUMtv8dSLOzZroqgOEOnZ0wsYojzN0oQ@mail.gmail.com> In-Reply-To: <d9d85d02-5c2c-476f-99ee-f33e8b069d4b@Canary> References: <YewV/8v7nb78a%2Bg4@ceres.zyxst.net> <8BA9DE0C-81B4-420E-B326-7B7133EC31BA@dons.net.au> <Ye0ZsFgQL8jlAGaF@ceres.zyxst.net> <d9d85d02-5c2c-476f-99ee-f33e8b069d4b@Canary>
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--0000000000006d2b8105d648a136 Content-Type: text/plain; charset="UTF-8" On Sun, Jan 23, 2022 at 1:07 PM Dima Panov <fluffy@freebsd.org> wrote: > Moin! > > > I saw a such issue on amd64, both 13.0-RELEASE and -CURRENT. > Both hosts have zfsd enabled, and after devd die by signal 15 all other > daemons such as sshd, crond, syslogd (almost all runned daemons) stopeed by > signal 15 too. At least, as it shows by system logs. > Signal 15 is SIGTERM, which is the software signal from kill(1).... Warner > Will try to play with zfsd disabled, as suggested. > > -- > Dima. (desktop, kde, x11, office, ports-secteam)@FreeBSD team > (fluffy@FreeBSD.org, https://t.me/dima_panov) > > On Sunday, Jan 23, 2022 at 12:03 PM, tech-lists <tech-lists@zyxst.net> > wrote: > On Sun, Jan 23, 2022 at 04:10:40PM +1030, Daniel O'Connor wrote: > > Is it reproducible? ie can you trigger it post boot? > > It is very strange that devd dying would kill anything else running - > I have stopped and started it a lot while testing devd scripts and > I haven't seen anything else break. > > One idea would be to hack up devd's rc.d script and run it under > ktrace and try and get some clues. > > > I can try that, thanks for the suggestion. > > Right now I'm thinking it's tied to zfsd, since disabling that > service I've not seen the issue. > -- > J. > > --0000000000006d2b8105d648a136 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable <div dir=3D"ltr"><div dir=3D"ltr"><br></div><br><div class=3D"gmail_quote">= <div dir=3D"ltr" class=3D"gmail_attr">On Sun, Jan 23, 2022 at 1:07 PM Dima = Panov <<a href=3D"mailto:fluffy@freebsd.org">fluffy@freebsd.org</a>> = wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0= px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"> <div = style=3D"font-family:Helvetica;color:rgb(0,0,0);font-size:13px"><img id=3D"= gmail-m_5433901728503372578597B2328D72BB35BBAC8CD91A1D8EA24" alt=3D"" width= =3D"0px" src=3D"https://read-receipts.canarymail.io:8100/track/2BD3A57834F2= C18772CBE819A75674B4_597B2328D72BB35BBAC8CD91A1D8EA24.png" height=3D"0px"><= div id=3D"gmail-m_5433901728503372578CanaryBody"> <div> Moin!</div><div><br= ></div><div><br></div><div>I saw a such issue on amd64, both 13.0-RELEASE a= nd -CURRENT.=C2=A0</div><div>Both hosts have zfsd enabled, and after devd d= ie by signal 15 all other daemons such as sshd, crond, syslogd (almost all = runned daemons) stopeed by signal 15 too. At least, as it shows by system l= ogs.</div></div></div></blockquote><div><br></div><div>Signal 15 is SIGTERM= , which is the software signal from kill(1)....<br></div><div><br></div><di= v>Warner</div><div>=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"m= argin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left= :1ex"><div style=3D"font-family:Helvetica;color:rgb(0,0,0);font-size:13px">= <div id=3D"gmail-m_5433901728503372578CanaryBody"><div>Will try to play wit= h zfsd disabled, as suggested.</div><div><br></div> </div> <div id=3D"gmail= -m_5433901728503372578CanarySig"> <div> <div style=3D"font-family:Helvetica= ">--<br><div>Dima. (desktop, kde, x11, office, ports-secteam)@FreeBSD team<= /div><div>(fluffy@FreeBSD.org, <a href=3D"https://t.me/dima_panov" target= =3D"_blank">https://t.me/dima_panov</a>)</div></div>; <div><br></div> </div>= </div> <div id=3D"gmail-m_5433901728503372578CanaryDropbox"> </div> <block= quote id=3D"gmail-m_5433901728503372578CanaryBlockquote"> <div> <div>On Sun= day, Jan 23, 2022 at 12:03 PM, tech-lists <<a href=3D"mailto:tech-lists@= zyxst.net" target=3D"_blank">tech-lists@zyxst.net</a>> wrote:<br></div> = <div>On Sun, Jan 23, 2022 at 04:10:40PM +1030, Daniel O'Connor wrote: <= br> <br><blockquote type=3D"cite">Is it reproducible? ie can you trigger it= post boot? <br> <br>It is very strange that devd dying would kill anything= else running - <br>I have stopped and started it a lot while testing devd = scripts and <br>I haven't seen anything else break. <br> <br>One idea w= ould be to hack up devd's rc.d script and run it under <br>ktrace and t= ry and get some clues. <br></blockquote> <br>I can try that, thanks for the= suggestion. <br> <br>Right now I'm thinking it's tied to zfsd, sin= ce disabling that <br>service I've not seen the issue. <br>-- <br>J. <b= r></div> </div> </blockquote> </div></blockquote></div></div> --0000000000006d2b8105d648a136--
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