Cyril Brulebois <kibi@debian.org> (2021-04-25): > I've ran out of (apparently stupid this time around…) wild guesses, so > I suppose after a little nap it's going to be (heavy) hammer time… I'm attaching an almost unedited version of my notes from yesterday. It's not a definitive guide but might give someone else a leg up for a similar debug session. Our winner is the libpango1.0-udeb upgrade from 1.42.4-8 to 1.44.7-3 in April (last year), which I'll file a bug report against, blocking this one. I suspect this also explains the other issue, but I have not confirmed this yet (it's not trivially reproduced with the netboot-gtk mini.iso, so I've got to do some debian-cd dance with the relevant vmzlinuz and initrd to make sure I get the proper test framework). Cheers, -- Cyril Brulebois (kibi@debian.org) <https://debamax.com/> D-I release manager -- Release team member -- Freelance Consultant
# Data | snapshot timestamps | d-i version | d-i codename | |------------------------------------------------------| | 20191129T150627Z | 20191129 | Bullseye Alpha 1 | | 20200315T090339Z | 20200314 | Bullseye Alpha 2 | | 20201203T092240Z | 20201202 | Bullseye Alpha 3 | | 20210415T151642Z | 20210415 | Bullseye RC 1 | # Tests ## Initial testing A `kibi/snapshot-isolinux` branch exists, that tweaks the isolinux menu to preseed a number of parameters **for rescue mode**. This isn't supposed to be a very clean patch! (But it's sufficient to explore <https://bugs.debian.org/987377>) Checkout the `20200314` tag, with `kibi/snapshot-isolinux` branch cherry-picked to get the right `mirror/http/hostname` and `mirror/http/directory` parameters set in the `isolinux` configuration for the `netboot-gtk` image, and with the original `20200315T090339Z` timestamp: **OK** Checkout the `20201202` tag, with `kibi/snapshot-isolinux` branch cherry-picked to get the right `mirror/http/hostname` and `mirror/http/directory` parameters set in the `isolinux` configuration for the `netboot-gtk` image, and with the original `20201203T092240Z` timestamp: **KO** Conclusion: this reproduces the results with Netinst images for Bullseye Alpha 2 (OK) and Bullseye Alpha 3 (KO). ## Methodology Below are listed all timestamps between both timestamp and version referenced above. First approach: stick to the `20200314` baseline for the installer, cherry-pick the `kibi/snapshot-isolinux` branch, and fix build breakages when they occur (e.g. ABI bump). Try one timestamp per month, moving forward in time to find a first new **KO** that isn't the Alpha 3 timestamp. Then bisect. Second approach, fit the first one doesn't yield results: move to the `20201202` baseline for the installer, do the cherry-pick. Before actually bisecting, try one timestamp per month, moving backward in time to find the first new **OK** that isn't the Alpha 2 timestamp. Then bisect. Build with: export TS=${selected_timestamp} git clean -xdf && \ make -C build/ rebuild_netboot-gtk USE_UDEBS_FROM=testing SNAPSHOT_TS=$TS && \ cp build/dest/MANIFEST.udebs ~/di-debug/MANIFEST.udebs-$TS Once the diff between `MANIFEST.udebs-*` for **OK** and **KO** is small enough, we likely have a winner. To confirm, fetch the OK version of the relevant udeb(s), use `deb-reversion` to add an epoch and make it (them) have a higher version than the most recent one, stash them into `build/localudebs/` and verify that Alpha 3 with that revert is also fine. ## Timestamps ### 2020-03 - 20200315T090339Z **OK** - 20200315T152212Z - 20200315T205917Z - 20200316T042716Z - 20200316T093023Z - 20200316T165508Z - 20200316T225909Z - 20200317T045347Z - 20200317T102346Z - 20200317T152851Z - 20200317T223326Z - 20200318T034624Z - 20200318T085758Z - 20200318T161225Z - 20200318T232918Z - 20200319T050441Z - 20200319T100843Z - 20200319T150826Z - 20200319T222751Z - 20200320T035025Z - 20200320T092429Z - 20200320T160615Z - 20200320T222820Z - 20200321T031545Z - 20200321T105339Z - 20200321T161928Z - 20200321T211113Z - 20200322T031319Z - 20200322T094224Z - 20200322T155645Z - 20200322T211017Z - 20200323T032807Z - 20200323T101008Z - 20200323T151303Z - 20200323T214010Z - 20200324T034926Z - 20200324T091145Z - 20200324T154732Z - 20200324T222113Z - 20200325T030923Z - 20200325T094213Z - 20200325T162824Z - 20200325T211709Z - 20200326T034955Z - 20200326T101808Z - 20200326T153328Z - 20200326T221821Z - 20200327T030713Z - 20200327T095938Z - 20200327T153530Z - 20200327T213510Z - 20200328T035040Z - 20200328T093221Z - 20200329T101703Z - 20200329T121235Z - 20200329T145815Z - 20200329T204618Z - 20200330T024216Z - 20200330T084558Z - 20200330T150032Z - 20200330T204311Z - 20200331T024956Z - 20200331T083805Z **OK** ### 2020-04 - 20200401T154401Z - 20200401T212842Z - 20200402T024334Z - 20200402T085022Z - 20200402T150804Z - 20200402T215606Z - 20200403T024902Z - 20200403T084831Z - 20200403T145042Z - 20200403T204455Z - 20200404T041223Z - 20200404T100204Z - 20200404T144636Z - 20200404T204647Z - 20200405T024621Z - 20200405T084040Z - 20200405T150154Z - 20200405T204123Z - 20200406T024237Z - 20200406T084528Z - 20200406T143302Z - 20200406T204537Z - 20200407T024112Z **OK** - 20200407T084056Z - 20200407T144315Z - 20200407T204647Z - 20200408T025735Z - 20200408T082336Z - 20200408T150538Z - 20200408T204533Z - 20200409T022909Z **OK** - 20200409T085010Z - 20200409T144901Z - 20200409T203114Z - 20200410T025304Z - 20200410T084926Z **OK** - 20200410T155105Z - 20200410T214949Z - 20200411T025140Z - 20200411T083104Z - 20200411T143911Z **KO** - 20200411T220810Z - 20200412T025028Z - 20200412T093855Z - 20200412T142911Z - 20200412T202743Z - 20200413T023320Z - 20200413T083920Z - 20200413T201859Z - 20200414T024755Z - 20200414T084143Z - 20200414T144249Z - 20200414T204951Z - 20200415T024424Z - 20200415T083012Z - 20200415T143955Z - 20200415T203918Z - 20200416T025115Z **KO** [ABI: 5.5.0-1] - 20200416T084218Z - 20200416T144937Z - 20200416T203857Z - 20200417T040322Z - 20200417T161510Z - 20200417T205512Z - 20200418T032518Z - 20200418T085038Z - 20200418T145444Z - 20200418T205923Z - 20200419T033910Z - 20200419T094015Z - 20200419T152225Z - 20200419T210133Z - 20200420T034421Z - 20200420T092617Z - 20200420T155747Z - 20200420T210233Z - 20200421T025405Z - 20200421T085850Z - 20200421T155915Z - 20200421T214331Z - 20200422T024816Z - 20200422T085230Z - 20200422T145249Z - 20200422T205110Z - 20200423T024554Z - 20200423T084728Z - 20200423T144352Z - 20200423T205118Z - 20200424T024812Z - 20200424T084703Z - 20200424T151944Z - 20200424T204736Z - 20200425T031815Z - 20200425T090528Z - 20200425T205355Z - 20200426T030336Z - 20200426T091947Z - 20200426T162557Z - 20200426T213908Z - 20200427T032704Z - 20200427T095527Z - 20200427T151833Z - 20200427T210822Z - 20200428T024810Z - 20200428T084257Z - 20200428T152315Z - 20200428T224331Z - 20200429T090736Z - 20200429T150608Z - 20200429T204608Z - 20200430T033200Z - 20200430T101304Z - 20200430T165901Z - 20200430T205603Z **KO** [ABI: 5.5.0-2] ### 2020-05 - 20200501T025542Z - 20200501T095148Z - 20200501T154658Z - 20200501T222649Z - 20200502T032315Z - 20200502T085134Z - 20200502T150431Z - 20200502T205710Z - 20200503T025701Z - 20200503T085123Z - 20200503T144457Z - 20200503T203536Z - 20200504T024449Z - 20200504T084128Z - 20200504T145322Z - 20200504T205026Z - 20200505T024307Z - 20200505T084259Z - 20200505T150017Z - 20200505T210428Z - 20200506T024941Z - 20200506T090440Z - 20200506T150313Z - 20200506T205203Z - 20200507T030302Z - 20200507T090225Z - 20200507T144845Z - 20200507T210258Z - 20200508T032513Z - 20200508T090803Z - 20200508T145512Z - 20200508T204904Z - 20200509T025130Z - 20200509T112129Z - 20200509T144303Z - 20200509T205549Z - 20200510T023728Z - 20200510T084046Z - 20200510T144127Z - 20200510T203930Z - 20200511T030328Z - 20200511T084653Z - 20200511T144628Z - 20200511T204139Z - 20200512T025108Z - 20200512T084349Z - 20200512T145430Z - 20200512T204242Z - 20200513T025402Z - 20200513T084344Z - 20200513T150214Z - 20200513T204247Z - 20200514T024406Z - 20200514T084554Z - 20200514T144953Z - 20200514T204305Z - 20200515T024132Z - 20200515T083506Z - 20200515T145056Z - 20200515T204659Z - 20200516T024040Z - 20200516T083831Z - 20200516T144307Z - 20200516T204057Z - 20200517T024903Z - 20200517T084414Z - 20200517T144451Z - 20200517T204149Z - 20200518T024214Z - 20200518T083858Z - 20200518T144510Z - 20200518T205044Z - 20200519T024938Z - 20200519T084846Z - 20200519T150228Z - 20200519T212115Z - 20200520T032945Z - 20200520T085844Z - 20200520T145536Z - 20200520T205149Z - 20200521T025317Z - 20200521T084823Z - 20200521T144940Z - 20200521T204827Z - 20200522T024547Z - 20200522T084859Z - 20200522T145235Z - 20200522T205117Z - 20200523T024936Z - 20200523T084116Z - 20200523T143817Z - 20200523T210552Z - 20200524T025222Z - 20200524T084904Z - 20200524T145223Z - 20200524T205108Z - 20200525T024443Z - 20200525T083908Z - 20200525T145753Z - 20200525T204521Z - 20200526T024819Z - 20200526T084721Z - 20200526T150007Z - 20200526T204535Z - 20200527T025130Z - 20200527T085601Z - 20200527T144641Z - 20200527T205728Z - 20200528T024341Z - 20200528T083835Z - 20200528T144303Z - 20200528T203855Z - 20200529T024130Z - 20200529T083959Z - 20200529T144225Z - 20200529T203921Z - 20200530T025521Z - 20200530T082844Z - 20200530T143259Z - 20200530T211847Z - 20200531T025320Z - 20200531T084945Z - 20200531T150031Z - 20200531T211512Z ### 2020-06 - 20200601T024402Z - 20200601T084419Z - 20200601T144917Z - 20200601T204724Z - 20200602T024442Z - 20200602T083835Z - 20200602T145955Z - 20200602T210137Z - 20200603T030403Z - 20200603T091236Z - 20200603T145956Z - 20200603T205333Z - 20200604T025809Z - 20200604T085024Z - 20200604T150006Z - 20200604T205906Z - 20200605T030256Z - 20200605T084803Z - 20200605T145657Z - 20200605T204331Z - 20200606T025149Z - 20200606T084339Z - 20200606T144859Z - 20200606T204857Z - 20200607T024310Z - 20200607T083827Z - 20200607T151236Z - 20200607T205028Z - 20200608T024059Z - 20200608T083719Z - 20200608T144929Z - 20200608T203939Z - 20200609T023956Z - 20200609T084102Z - 20200609T144653Z - 20200609T204344Z - 20200610T030434Z - 20200610T152955Z - 20200611T024431Z - 20200611T084426Z - 20200611T155154Z - 20200611T205735Z - 20200612T024037Z - 20200612T083553Z - 20200612T144743Z - 20200612T204037Z - 20200613T023903Z - 20200613T084007Z - 20200613T144920Z - 20200613T203725Z - 20200614T024052Z - 20200614T083640Z - 20200614T143928Z - 20200614T203858Z - 20200615T023903Z - 20200615T083813Z - 20200615T150331Z - 20200615T204439Z - 20200616T024729Z - 20200616T084225Z - 20200616T144127Z - 20200616T204114Z - 20200617T025426Z - 20200617T084044Z - 20200617T150038Z - 20200617T204558Z - 20200618T025825Z - 20200618T084404Z - 20200618T144544Z - 20200618T212047Z - 20200619T025237Z - 20200619T084831Z - 20200619T144934Z - 20200619T204451Z - 20200620T025936Z - 20200620T084835Z - 20200620T145354Z - 20200620T204238Z - 20200621T024306Z - 20200621T083805Z - 20200621T144208Z - 20200621T204121Z - 20200622T024456Z - 20200622T083905Z - 20200622T144846Z - 20200622T204316Z - 20200623T024120Z - 20200623T084723Z - 20200623T151721Z - 20200623T204338Z - 20200624T024308Z - 20200624T084001Z - 20200624T145103Z - 20200624T204706Z - 20200625T024524Z - 20200625T083831Z - 20200625T150744Z - 20200625T203846Z - 20200626T025034Z - 20200626T090113Z - 20200626T150034Z - 20200626T205212Z - 20200627T025456Z - 20200627T085709Z - 20200627T145205Z - 20200627T204538Z - 20200628T024451Z - 20200628T084153Z - 20200628T144533Z - 20200628T204444Z - 20200629T024049Z - 20200629T084301Z - 20200629T145008Z - 20200629T204901Z - 20200630T024205Z - 20200630T084739Z - 20200630T144134Z - 20200630T204925Z ### 2020-07 - 20200701T101354Z - 20200701T145157Z - 20200701T205447Z - 20200702T025543Z - 20200702T084146Z - 20200702T145154Z - 20200702T205102Z - 20200703T024850Z - 20200703T084307Z - 20200703T144716Z - 20200703T204447Z - 20200704T025342Z - 20200704T084321Z - 20200704T150818Z - 20200704T205323Z - 20200705T025030Z - 20200705T084305Z - 20200705T144229Z - 20200705T204532Z - 20200706T024300Z - 20200706T084035Z - 20200706T150013Z - 20200706T204334Z - 20200707T024523Z - 20200707T084052Z - 20200707T145602Z - 20200707T204641Z - 20200708T024852Z - 20200708T084958Z - 20200708T150020Z - 20200708T204754Z - 20200709T030336Z - 20200709T084659Z - 20200709T145656Z - 20200709T205112Z - 20200710T025442Z - 20200710T084954Z - 20200710T145850Z - 20200710T204617Z - 20200711T025138Z - 20200711T085025Z - 20200711T145126Z - 20200711T211030Z - 20200712T025308Z - 20200712T084752Z - 20200712T145349Z - 20200712T205255Z - 20200713T025537Z - 20200713T085630Z - 20200713T150707Z - 20200713T205332Z - 20200714T030043Z - 20200714T084941Z - 20200714T145540Z - 20200714T205750Z - 20200715T025352Z - 20200715T085052Z - 20200715T145921Z - 20200715T204821Z - 20200716T025032Z - 20200716T084809Z - 20200716T145301Z - 20200716T205809Z - 20200717T024746Z - 20200717T090305Z - 20200717T145552Z - 20200717T204551Z - 20200718T024633Z - 20200718T085446Z - 20200718T112641Z - 20200718T144753Z - 20200718T204913Z - 20200719T025248Z - 20200719T084103Z - 20200719T144327Z - 20200719T210328Z - 20200720T030544Z - 20200720T085850Z - 20200720T145623Z - 20200720T204543Z - 20200721T024628Z - 20200721T084125Z - 20200721T145337Z - 20200721T204601Z - 20200722T030550Z - 20200722T085037Z - 20200722T145119Z - 20200722T205315Z - 20200723T030638Z - 20200723T090455Z - 20200723T150421Z - 20200723T205848Z - 20200724T030632Z - 20200724T085624Z - 20200724T150140Z - 20200724T205937Z - 20200725T030219Z - 20200725T090115Z - 20200725T145725Z - 20200725T210208Z - 20200726T025714Z - 20200726T085317Z - 20200726T150826Z - 20200726T210317Z - 20200727T030317Z - 20200727T091939Z - 20200727T145422Z - 20200727T204945Z - 20200728T024713Z - 20200728T084837Z - 20200728T144334Z - 20200728T205254Z - 20200729T024857Z - 20200729T085837Z - 20200729T153544Z - 20200729T210030Z - 20200730T024737Z - 20200730T084853Z - 20200730T145345Z - 20200730T205951Z - 20200731T025536Z - 20200731T090612Z - 20200731T150517Z - 20200731T211026Z ### 2020-08 - 20200801T030228Z - 20200801T113848Z - 20200801T150407Z - 20200801T210443Z - 20200802T025122Z - 20200802T090259Z - 20200802T152608Z - 20200802T204950Z - 20200803T030516Z - 20200803T091658Z - 20200803T145431Z - 20200803T204412Z - 20200804T024015Z - 20200804T084936Z - 20200804T145339Z - 20200804T204401Z - 20200805T024503Z - 20200805T084302Z - 20200805T145442Z - 20200805T204939Z - 20200806T024820Z - 20200806T084201Z - 20200806T145518Z - 20200806T210632Z - 20200807T024143Z - 20200807T084211Z - 20200807T151024Z - 20200807T204512Z - 20200808T024226Z - 20200808T084304Z - 20200808T144957Z - 20200808T204744Z - 20200809T025004Z - 20200809T145301Z - 20200810T030656Z - 20200810T084439Z - 20200810T144831Z - 20200810T204945Z - 20200811T024041Z - 20200811T084716Z - 20200811T150316Z - 20200811T205318Z - 20200812T025519Z - 20200812T090245Z - 20200812T152309Z - 20200812T210546Z - 20200813T030955Z - 20200813T085340Z - 20200813T144945Z - 20200813T205921Z - 20200814T030519Z - 20200814T092054Z - 20200814T153758Z - 20200814T204713Z - 20200815T024319Z - 20200815T091621Z - 20200815T155302Z - 20200815T204602Z - 20200816T024500Z - 20200816T084207Z - 20200816T145522Z - 20200816T204929Z - 20200817T024237Z - 20200817T084107Z - 20200817T144324Z - 20200817T205605Z - 20200818T025233Z - 20200818T084825Z - 20200818T145101Z - 20200818T204716Z - 20200819T024947Z - 20200819T085445Z - 20200819T150205Z - 20200819T205636Z - 20200820T025116Z - 20200820T084555Z - 20200820T205846Z - 20200821T084144Z - 20200821T144650Z - 20200821T204110Z - 20200822T024046Z - 20200822T083851Z - 20200822T153015Z - 20200822T204040Z - 20200823T023935Z - 20200823T083950Z - 20200823T144624Z - 20200823T204307Z - 20200824T024034Z - 20200824T085146Z - 20200824T144416Z - 20200824T210020Z - 20200825T024524Z - 20200825T084820Z - 20200825T144439Z - 20200825T203037Z - 20200826T023518Z - 20200826T083950Z - 20200826T144410Z - 20200826T203932Z - 20200827T024539Z - 20200827T084011Z - 20200827T145438Z - 20200827T204935Z - 20200828T024534Z - 20200828T083857Z - 20200828T144133Z - 20200828T204858Z - 20200829T023814Z - 20200829T084349Z - 20200829T144457Z - 20200829T205244Z - 20200830T030719Z - 20200830T084341Z - 20200830T144254Z - 20200830T205348Z - 20200831T084335Z - 20200831T204953Z ### 2020-09 - 20200901T030541Z - 20200901T091018Z - 20200901T150453Z - 20200901T204646Z - 20200902T024322Z - 20200902T084056Z - 20200902T144444Z - 20200902T205143Z - 20200903T024116Z - 20200903T084506Z - 20200903T144630Z - 20200903T205123Z - 20200904T024331Z - 20200904T084319Z - 20200904T145418Z - 20200904T205740Z - 20200905T024739Z - 20200905T084418Z - 20200905T143953Z - 20200905T205501Z - 20200905T232123Z - 20200906T025314Z - 20200906T084315Z - 20200906T144345Z - 20200906T205632Z - 20200907T024953Z - 20200907T084101Z - 20200907T144157Z - 20200907T204912Z - 20200908T024605Z - 20200908T084219Z - 20200908T144848Z - 20200908T204820Z - 20200909T024557Z - 20200909T083954Z - 20200909T144301Z - 20200909T203954Z - 20200910T024127Z - 20200910T083916Z - 20200910T144906Z - 20200910T204851Z - 20200911T025220Z - 20200911T084331Z - 20200911T151230Z - 20200911T205121Z - 20200912T024009Z - 20200912T083724Z - 20200912T143954Z - 20200912T204657Z - 20200913T025203Z - 20200913T084633Z - 20200913T144519Z - 20200913T204208Z - 20200914T024052Z - 20200914T084139Z - 20200914T145359Z - 20200914T205536Z - 20200915T025819Z - 20200915T084655Z - 20200915T145111Z - 20200915T204304Z - 20200916T024129Z - 20200916T084220Z - 20200916T145125Z - 20200916T204907Z - 20200917T025622Z - 20200917T084540Z - 20200917T150130Z - 20200917T205821Z - 20200918T030830Z - 20200918T090055Z - 20200918T150908Z - 20200918T210532Z - 20200919T025616Z - 20200919T085932Z - 20200919T145926Z - 20200919T211111Z - 20200920T030154Z - 20200920T085437Z - 20200920T150342Z - 20200920T205828Z - 20200921T024757Z - 20200921T085333Z - 20200921T150740Z - 20200921T205322Z - 20200922T024745Z - 20200922T084040Z - 20200922T144413Z - 20200922T204208Z - 20200923T030305Z - 20200923T085943Z - 20200923T150238Z - 20200923T205505Z - 20200924T025115Z - 20200924T084650Z - 20200924T150137Z - 20200924T205254Z - 20200925T030050Z - 20200925T085656Z - 20200925T205109Z - 20200926T035837Z - 20200926T104248Z - 20200926T151724Z - 20200926T180000Z - 20200926T204738Z - 20200927T024201Z - 20200927T083842Z - 20200927T144412Z - 20200927T204254Z - 20200928T030607Z - 20200928T091912Z - 20200928T150544Z - 20200928T210258Z - 20200929T025235Z - 20200929T085118Z - 20200929T154717Z - 20200929T210132Z - 20200930T025032Z - 20200930T084026Z - 20200930T144429Z - 20200930T204132Z ### 2020-10 - 20201001T025258Z - 20201001T084136Z - 20201001T155124Z - 20201001T204536Z - 20201002T024723Z - 20201002T083935Z - 20201002T144451Z - 20201002T204243Z - 20201003T024855Z - 20201003T084422Z - 20201003T144430Z - 20201003T204015Z - 20201004T023959Z - 20201004T083822Z - 20201004T144316Z - 20201004T204429Z - 20201005T024053Z - 20201005T084025Z - 20201005T145221Z - 20201005T204733Z - 20201006T024631Z - 20201006T083840Z - 20201006T144713Z - 20201006T204618Z - 20201007T024252Z - 20201007T083851Z - 20201007T144719Z - 20201007T210024Z - 20201008T030904Z - 20201008T084908Z - 20201008T150049Z - 20201008T205817Z - 20201009T025942Z - 20201009T085215Z - 20201009T150112Z - 20201009T210056Z - 20201010T025528Z - 20201010T084257Z - 20201010T145103Z - 20201010T205029Z - 20201011T024935Z - 20201011T084029Z - 20201011T150209Z - 20201011T210159Z - 20201012T025140Z - 20201012T084255Z - 20201012T150222Z - 20201012T205102Z - 20201013T024640Z - 20201013T085123Z - 20201013T145646Z - 20201013T210019Z - 20201014T025836Z - 20201014T085833Z - 20201014T150244Z - 20201014T211806Z - 20201015T025841Z - 20201015T090243Z - 20201015T150652Z - 20201015T205944Z - 20201016T031348Z - 20201016T090631Z - 20201016T150844Z - 20201016T205404Z - 20201017T030052Z - 20201017T085355Z - 20201017T145736Z - 20201017T210541Z - 20201018T033146Z - 20201018T090104Z - 20201018T145944Z - 20201018T210253Z - 20201019T030413Z - 20201019T084920Z - 20201019T150133Z - 20201019T210931Z - 20201020T025816Z - 20201020T085102Z - 20201020T145249Z - 20201020T205111Z - 20201021T025929Z - 20201021T090044Z - 20201021T155324Z - 20201021T204749Z - 20201022T024854Z - 20201022T085040Z - 20201022T144626Z - 20201022T204202Z - 20201023T024255Z - 20201023T084203Z - 20201023T144437Z - 20201023T204818Z - 20201024T024246Z - 20201024T083840Z - 20201024T150941Z - 20201024T204108Z - 20201025T025053Z - 20201025T084012Z - 20201025T145033Z - 20201025T204528Z - 20201026T024334Z - 20201026T084254Z - 20201026T144910Z - 20201026T204913Z - 20201027T025240Z - 20201027T084513Z - 20201027T145139Z - 20201027T204457Z - 20201028T033542Z - 20201028T084125Z - 20201028T144900Z - 20201028T204821Z - 20201029T024201Z - 20201029T084118Z - 20201029T144417Z - 20201029T205129Z - 20201030T034218Z - 20201030T085516Z - 20201030T145744Z - 20201030T214408Z - 20201031T030321Z - 20201031T095640Z - 20201031T145638Z - 20201031T220724Z ### 2020-11 - 20201101T025945Z - 20201101T085706Z - 20201101T154040Z - 20201101T210343Z - 20201102T030717Z - 20201102T091602Z - 20201102T151620Z - 20201102T211720Z - 20201103T031014Z - 20201103T091314Z - 20201103T151140Z - 20201103T210717Z - 20201104T030458Z - 20201104T090812Z - 20201104T145852Z - 20201104T213038Z - 20201105T032615Z - 20201105T220209Z - 20201106T031653Z - 20201106T091348Z - 20201106T145202Z - 20201106T203710Z - 20201107T032125Z - 20201107T093238Z - 20201107T153551Z - 20201107T210144Z - 20201108T033050Z - 20201108T083920Z - 20201108T155128Z - 20201108T211009Z - 20201109T031347Z - 20201109T092230Z - 20201109T151315Z - 20201109T211859Z - 20201110T025914Z - 20201110T093021Z - 20201110T155742Z - 20201110T213014Z - 20201111T032645Z - 20201111T093740Z - 20201111T152747Z - 20201111T205648Z - 20201112T030858Z - 20201112T093810Z - 20201112T152245Z - 20201112T205220Z - 20201113T032242Z - 20201113T093438Z - 20201113T152700Z - 20201113T211832Z - 20201114T032438Z - 20201114T093457Z - 20201114T145245Z - 20201114T204702Z - 20201115T032226Z - 20201115T092041Z - 20201115T152030Z - 20201115T211419Z - 20201116T031537Z - 20201116T092020Z - 20201116T150139Z - 20201116T210129Z - 20201117T032431Z - 20201117T094129Z - 20201117T152525Z - 20201117T212138Z - 20201118T025735Z - 20201118T085104Z - 20201118T152053Z - 20201118T213453Z - 20201119T034213Z - 20201119T094037Z - 20201119T152556Z - 20201119T211924Z - 20201120T031928Z - 20201120T095059Z - 20201120T152954Z - 20201120T213507Z - 20201121T030857Z - 20201121T094104Z - 20201121T151850Z - 20201121T213529Z - 20201122T030656Z - 20201122T094144Z - 20201122T153016Z - 20201122T211103Z - 20201123T030316Z - 20201123T091712Z - 20201123T152838Z - 20201123T212042Z - 20201124T031433Z - 20201124T092301Z - 20201124T152634Z - 20201124T212647Z - 20201125T025457Z - 20201125T090621Z - 20201125T152047Z - 20201125T210657Z - 20201126T031821Z - 20201126T092837Z - 20201126T153155Z - 20201126T211843Z - 20201127T034359Z - 20201127T092959Z - 20201127T145929Z - 20201127T213225Z - 20201128T032015Z - 20201128T091257Z - 20201128T150015Z - 20201128T214105Z - 20201129T031845Z - 20201129T094855Z - 20201129T151654Z - 20201129T210217Z - 20201130T032709Z - 20201130T085609Z - 20201130T145246Z - 20201130T213631Z ### 2020-12 - 20201201T031901Z - 20201201T091156Z - 20201201T153653Z - 20201201T205219Z - 20201202T024856Z - 20201202T093117Z - 20201202T151734Z - 20201202T205335Z - 20201203T025823Z - 20201203T092240Z ## Results It wasn't needed to go further once the following was established: OK=20200410T084926Z KO=20200411T143911Z The winner, determined by diffing the `MANIFEST.udebs-$TIMESTAMP` for both, is: libpango1.0-udeb 1.42.4-8 amd64 libpango1.0-udeb 1.44.7-3 amd64
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