Date: Tue, 18 Jul 2006 07:51:52 -0300 (ADT) From: User Freebsd <freebsd@hub.org> To: Kostik Belousov <kostikbel@gmail.com> Cc: freebsd-stable@freebsd.org, Robert Watson <rwatson@freebsd.org> Subject: file system deadlock - the whole story? Message-ID: <20060718074804.W1799@ganymede.hub.org> In-Reply-To: <20060715035308.GJ32624@deviant.kiev.zoral.com.ua> References: <E1FxzUU-000MMw-5m@cs1.cs.huji.ac.il> <20060705100403.Y80381@fledge.watson.org> <cone.1152136419.991036.72616.1000@zoraida.natserv.net> <20060705234514.I70011@fledge.watson.org> <20060715000351.U1799@ganymede.hub.org> <20060715035308.GJ32624@deviant.kiev.zoral.com.ua>
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[-- Attachment #1 --] 'k, had a bunch of fun tonight, but one of the results is that I was able to achieve file system deadlock, or so it appears ... Using the following from DDB: set $lines=0 show pcpu show allpcpu ps trace alltrace show locks show alllocks show uma show malloc show lockedvnods call doadump I've been able to produce the attached output, as well as have a core dump that can hopefully be used to gather any that I may have missed this time *cross fingers* ---- Marc G. Fournier Hub.Org Networking Services (http://www.hub.org) Email . scrappy@hub.org MSN . scrappy@hub.org Yahoo . yscrappy Skype: hub.org ICQ . 7615664 [-- Attachment #2 --] D crash_analysis_july_18_2006 ][#u~ Rİ`Z_pg &`Xݵ۪mҴJ`js'?VSVlz75џ/!jvS);]=OB=1"n|<٧s?>?~_{wqG~?i:]vޝvMo>^m'+oe3Dh]^y"3L\G {} ,oK?,6ٷ|uzϲߑZu]8RS0ɕ6V2Fp>Y`D:~AkBp}QcJ1JQ!7pi{ 'BF6*]mFl{wgg!iWך #f()i1ͨZ6I,ޏpH"#l`gF}S'.g0K̪. qݟ^PiK^"F`; FnS }Qڿo.<?=ΐfT~UXa a'z툪Qwg`3f:잫]Xq,_>oN"䧅?0{5N/mqƔYj)ChviTHX ip=L=Ξw!fKE6z)Ʌp|W6TnA.`cx[*(b,f_Z!(eShTA/P=/m nslWb~#=ΒQ$ߡz~%L=Μp,]vr<bH ]ֲ}@*z+w P!E,]=kWj,`Ǭ˭l{8K˼.KqU,elo{{?UanM-`M1cz^Z]A-`J+M,uhX3ʹçva+9 8\m§;.45?c܅L=Κ k9`KC=ΔHՏkl]=Θ=H} pgGucIx1LAE O~s>U~-,K_0&/HnkV]ྫྷs'pvNj&b?-\$4";TEF,;WkW"s'dKo!?s"윲 7^og2dt'_0ɜ!{|{ug>owC+ӳFR(÷~wR87ũ/ɪAf_6U <V >KmϧSVWdo%*#N@6ѯ:D i^Jd9.%RXUZ}9Ŕt2Rl[)+)%R2Z@J;wS4@+BQȤz%FKl%қ#r}HhɷmeoҎJKI惒\и;X# %Q_,1Jﳺ~A( P}(f:Jdޘʀܰ,aqpL0CUFq# "W$BKP_bQ+7%b5 ).yg\BT[D15EϜ̽ARPZҊP"NB/Ab~e2-N4t\N0LV՛B)&L& <72Cm $ى f e:**St U OAG,Fs(;4PA5}Rid<EP8E*۩մ7Vvjќ[TFvrX0/v&HaJR۱P&QAtXR܌ʞ;l-[C{0(-TS":OMixOP3x<(ЙP,>/%B6t([^5~A&`Ԛ]|2S nJ.YCQZl$ɲ TQe:O2Vo~8:ť$rM;\N[(>AE? +uCGP7XBږ<Ḍ(E:\Ƙ!c ]W>PTk(¡PE"6-Z j&mP5~q0Ƃ;/r9ϥ{XÏ̚4."E㸌i:OHrʣx+ߟw>D0ɖ_;I_D]}t^+to< t j<kIX,)Y{OcM.F \M^QX%AWvgWl7`(X`xr<%_*y:+xCg`Ee<y.v boʙYSmZ;IARzXSCK[T9L,d$XIԲCsYcHS[WMiy?t%Ʋa"t, tH $gH穄!8>p.wZwDg&TtE{PmG(iS.PDe_{YO*I[ȭ0l4UlxĘӽxks1_(-i#WcRSLR F:o%NZ$ga+)Gk:3).}]TiI^R\1d."vd7cq +W YRJJͶQh3lNCxlAqѮ5cmvG<dȭZ$3Kyri::kk2ܵ)rD.ބȅ0և._zɢIB.0?X m]]F⏅:W,z9=Pktdap)D;RfSdwڋIR1}oeR~u,OOu8 "b]bzu%%>$4܄pE:ӘD]ƖG58w" biŸށwĬzʯjI^ʨ\ۄ˴XtCF(DHlhM5zK7Z\7~7Μ&7I+Wev$9hΦOp{| mjsp`CmWs ?F AZٸ>O'[[m Y`agtM[1SQ璨"ZBB:O#XK +E:2]&,mgūcJtYq p](zKRme~rPOib;6:SX;9ZKM#c$,hߗ (qDMY9!c$;năF\R ggΆDDIn|kw2nItV8p²ZdLcqU/*1ۙSW\U"y2$5avHHLǓMPJy:S8V PLY1 >;FB0' @Q1QIZkp'd OY[n]㻻F*C[@Xf eTShDڅ\ц^5?<wVכsC{ko 0=;YxTk4lVN NO}x|zU|]'!yxׇjNʾ[aS}(ج*ƃHPE:߭P swByOP:~TJ[NIP\`c="zɤX: Þb Sd\yd3|!On2FIʸ|,┻gP oP y\A~e$Q$L(〯1W<1ݸnNJ$9nB'Q.~y|CҪ" zSD^_[,5@JEd)̌2+ڬ`h`\J<#6U&Ers3J/!;' k:=ѧ!ZmmEg OҨx<YLwLW0V낝ir]u4NnHҹPdk}`?n J1P[(cqqxڬx!nYC *ǽLR$(3gL' *Azev-va@lR.:,Jj蝋x'8Q17^wvP\B3dMad-9Zܒ!mp.*u< ڵXK`Z˙PPnq(>g9TRո;5kLXp1$o.g9dH1&ld@q4pabJ (aTsw/szJcAHGAkfroxaă{5CtH]bx7ý6?/ dCxMrk<Yw/lOJ<#q'c.'rşׄgJ/wC_a鶌xx ̚ɵ5_ yfk&ܰgڇPÂ ;<#5x톽/3JoN }YZL}1| 6`fhݙJqy yc 9sa yްؗ?rPg7%8*g?tV0Z.vþk? %9 YΆq<teT7xQ^Ac_3g*qC2B `GW"eCw\ƫA^A.Dl%:,IcSw`,{##ժsWH{LxcUxQwlpX~_T5"glsc`{Z*ơGz50;@s5V{H*FP֚xatŭJ.LP\s-hwW_~lz*Nlqo3l s{([891C'?.}\ɫ.n|:kn:|2+].-^yqDoL0ҠZpAS3s7,G:L+x<-`1{^yL]mf{Jd <OXG;Cc<BKiKE|)qt:Wē9|E4(owd tjs8|y% fY ؐ(w|~xGyϥj,'"[9HK!<Q6}:BMv2.R:J9y,' u_fyPMjn9PPHdP6wɕuG #V:iyX:Z=ȅX2Q*,?#l7H%w,y͘& ȶ~?_g8Xo5 hZR]K^}RoAJR)3M 8|Nʁ hGN6h=nvق?ުTfV=Hp#=$]bЌhpwuC(EMfd&K{ˉ3oG-Cdв}?gnڿ웘QM찛~{A$s{;.GHl$;'~8'6H9:;$kHFvi!$}bsTnxw2K'~d{6О_b/OdEo?wDB':G~@6{dllHx;tLGHlN>EAQJKDϙϙ&A}sUfN8yyr D2)ꀅ4Z wHpԩd˙1s쳟I9GHKΔۼ||y{$e-v)fQ`7];.+|dRd?|_?cÐ_Qy~ĭZE|&hz$dI"#Nƥ$;p1pǐL9=-D'$sċ)9'= t dqK<f?XyPnNex:{Dt2 ,ұ̉CK.z4'ɸ. vI<vRs^푘?eTfbG)%M>g/?j,qngd7 %;GUٖ#(6.9S-?I1Iz]^:M\lSO$UsH@n^zp-S:}p|9QK"z'=6#O{_s {Ñdqʇ+|_nߓ,[~E&,lXx7O/S]kc [S۟^%~j<
