Date: Sun, 10 Feb 2019 23:47:49 -0600 From: Karl Denninger <karl@denninger.net> To: freebsd-stable@freebsd.org Subject: Re: Oddball error from "batch" Message-ID: <762222d2-42bd-1a01-30c7-d6e52833bb14@denninger.net> In-Reply-To: <e51cb44a-d06c-e6cd-5fe1-ca7bc973ba16@denninger.net>
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[-- Attachment #1 --] On 2/10/2019 16:01, Karl Denninger wrote: > Note -- working fine on 11.1 and 11.2, upgraded machine to 12.0-STABLE > and everything is ok that I'm aware of *except*..... > > # batch > who > df > ^D > > Job 170 will be executed using /bin/sh > > Then the time comes and... no output is emailed to me. > > In the cron log file I find: > > Feb 10 16:00:00 NewFS atrun[65142]: cannot open input file > E000aa018a24c3: No such file or directory > > Note that scheduled cron jobs are running as expected, and the > permissions on /var/at are correct (match exactly my 11. 1 and 11.2 > boxes), and in addition of looking BEFORE the job runs the named job > number IS THERE. > > [\u@NewFS /var/at/jobs]# ls -al > total 13 > drwxr-xr-x 2 daemon wheel 5 Feb 10 15:55 . > drwxr-xr-x 4 root wheel 5 Oct 8 2013 .. > -rw-r--r-- 1 root wheel 6 Feb 10 15:55 .SEQ > -rw------- 1 root wheel 0 Jul 5 2008 .lockfile > -rwx------ 1 root wheel 615 Feb 10 15:55 E000aa018a24c3 > > After the error.... the file isn't there. It was removed (as one would > expect when the job is complete.) > > What the blankety-blank?! Turns out it's a nasty race in the atrun code.... I have no idea why this hasn't bit the living daylights out of lots of people before, but it's sure biting me! https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=235657 Includes a proposed fix... :) -- Karl Denninger karl@denninger.net <mailto:karl@denninger.net> /The Market Ticker/ /[S/MIME encrypted email preferred]/ [-- Attachment #2 --] 0 *H 010 `He 0 *H 00 H^Ōc!5 H0 *H 01 0 UUS10U Florida10U Niceville10U Cuda Systems LLC10U Cuda Systems CA1!0 U Cuda Systems LLC 2017 CA0 170817164217Z 270815164217Z0{1 0 UUS10U Florida10U Cuda Systems LLC10U Cuda Systems CA1%0#U Cuda Systems LLC 2017 Int CA0"0 *H 0 h-5B>[;olӴ0~͎O9}9Ye*$ g !ukvʶLzN`jL>MD'7U 45CB+kY`bd~b*c3Ny-78ju]9H euέsӬDؽmgwER?&UURj'}9nWD i`XcbGz \gG=u%\Oi13ߝ4 K44pYQr]Ie/r0+eEޝݖ0C15Mݚ@JSZ(zȏ NTa(25DD5.l<g[[Z arQQ%Buȴ~~`IohRbʳڟu2MS8EdFUClCMaѳ !}ș+2k/bųE,n当ꖛ\(8 WV8 d]b yXw ܊:I39 00 U ]^§Q\ӎ0U #0T039N0b01 0 UUS10U Florida10U Niceville10U Cuda Systems LLC10U Cuda Systems CA1!0 U Cuda Systems LLC 2017 CA @Ui0U 0 0U 0 *H :P U!>vJ n io -#ן]Wyu jǑR̀Q nƇ!G ѦF g\ yLx gw=OPycehf[ }ܷ['4ڝ\[p 6\o.B&JF" ZC{;*o*mcCcLY߾` t*S!(` ]DHP5A~/NPp6=mhk밣'doA$86hm5ӚS@ j ެEgl )0JG`%k35PaC?σ ׳HEt}!P㏏%*BxbQwaKG$6 h¦Mve; [o-Iی& I,Tc ߎ#t wPA@l0P+KXBպT zGv;NcI3&J ĬUPNa?/%W6G۟N000 k#Xd\ =0 *H 0{1 0 UUS10U Florida10U Cuda Systems LLC10U Cuda Systems CA1%0#U Cuda Systems LLC 2017 Int CA0 170817212120Z 220816212120Z0W1 0 UUS10U Florida10U Cuda Systems LLC10U karl@denninger.net0"0 *H 0 T[I-ΆϏ dn;Å@שy.us~_ZG%<MYd\gvfnsa1'6Egyjs"C [{~ _K Pn+<*pv#Q+H/7[-vqDV^U>f%GX)H.|l`M(Cr >е͇6#odc"YljҦln8@5SA0&ۖ"OGj?UDWZ5 dDB 7k-)9Izs-JAv J 6L$Ն1SmY.Lqw*SH;EF'DĦH]MOgQQ|Mٙג2Z9y@ y]}6ٽeY9Y2xˆ$T=e CǺǵbn֛{j |@LLt1[Dk5:$= ` M 00<+00.0,+0 http://ocsp.cudasystems.net:88880 U 0 0 `HB0U 0 U %0++03 `HB &$OpenSSL Generated Client Certificate0 U %՞V =;bzQ0U #0]^§Q\ӎϡ01 0 UUS10U Florida10U Niceville10U Cuda Systems LLC10U Cuda Systems CA1!0 U Cuda Systems LLC 2017 CA H^Ōc!5 H0 U 0karl@denninger.net0 *H ۠A0-j%--$% g2#ޡ1^>{K+uGE v1ş7Af&b&O; .;A5* U)ND2bF|\= ]<sˋL!wrw٧> YMÄ3\mWR hSv!_zvl? 3_ xU%\^#O*Gk̍YI_&Fꊛ@&1n } ͬ:{hTP3B.;bU8:Z=^Gw8 !k-@xE@i,+'Iᐚ:f hztX7/(hY` O.1}a`%RW^akǂpCAufgDix UTЩ/7}%=jnVZvcF<M= 2^GKH5魉 _O4ެByʈySkw=5@h.0z> W1000{1 0 UUS10U Florida10U Cuda Systems LLC10U Cuda Systems CA1%0#U Cuda Systems LLC 2017 Int CA k#Xd\ =0 `He E0 *H 1 *H 0 *H 1 190211054749Z0O *H 1B@z6ؼm ?a:zrHܴHŸ-1I!0+Y@Us`~0l *H 1_0]0 `He*0 `He0 *H 0*H 0 *H @0+0 *H (0 +7100{1 0 UUS10U Florida10U Cuda Systems LLC10U Cuda Systems CA1%0#U Cuda Systems LLC 2017 Int CA k#Xd\ =0 *H 10{1 0 UUS10U Florida10U Cuda Systems LLC10U Cuda Systems CA1%0#U Cuda Systems LLC 2017 Int CA k#Xd\ =0 *H |sqI 7s9R߉4nbKI WtnQ|֚=~ nu~͚B `J{/'U-].]E41=GQh@'< )q2Z0s9rmAk^,+rSRt{ɋofL#?yY>{ ۮō<t5w҈DtCRo.t Z?v )dEК e_eX0 [AVW9NԂ;pUhj5E\w21ox1pH&$fx Ӊ7y-3F) UgԊ?ArGN ̤ ͘~qOebG W)C 8~c)t *%2b#E8DWXPV9i[D@)\9 iGF syafG4فWv((Nr{o $xP4,>:{`ho=ozhome | help
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