パッケージのアップデートで、Bansheeがクラッシュして起動しない
先日、パッケージのアップデートをしたら、Banshee（2.6.2: [ArchLinux (linux-gnu, x86_64)]）がクラッシュして起動しなくなってしまった。以前も、同じ不具合が発生したことがある。その時と同様、今回も原因は、Monoのアップデート。Ubuntuなどの他のディストリビューションでも、同じ不具合が生じている（[1] Banshee crash on startup - Ask Ubuntu）。以前、Bansheeがクラッシュする不具合が発生した時に書いた記事は、「bansheeが起動時にクラッシュする | 普段使いのArch Linux」。
一応、クラッシュした時のログの一部を載せておく。
$ banshee [Info 17:53:46.887] Running Banshee 2.6.2: [ArchLinux (linux-gnu, x86_64) @ 2016-08-07 18:50:19 UTC] [Warn 17:53:47.104] Cannot connect to NetworkManager or Wicd - An available, working network connection will be assumed ... at Mono.Zeroconf.Providers.AvahiDBus.DBusManager.ConnectToSystemBus () [0x0001f] in <99795eb1250a446f92f3dd659dc2fb1c>:0 at Mono.Zeroconf.Providers.AvahiDBus.DBusManager.IterateThread (System.Object o) [0x0000e] in <99795eb1250a446f92f3dd659dc2fb1c>:0 at System.Threading.QueueUserWorkItemCallback.WaitCallback_Context (System.Object state) [0x0000e] in <f712f98eb8e445c8918edaf595bbe465>:0 at System.Threading.ExecutionContext.RunInternal (System.Threading.ExecutionContext executionContext, System.Threading.ContextCallback callback, System.Object state, System.Boolean preserveSyncCtx) [0x0008d] in <f712f98eb8e445c8918edaf595bbe465>:0 at System.Threading.ExecutionContext.Run (System.Threading.ExecutionContext executionContext, System.Threading.ContextCallback callback, System.Object state, System.Boolean preserveSyncCtx) [0x00000] in <f712f98eb8e445c8918edaf595bbe465>:0 at System.Threading.QueueUserWorkItemCallback.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem () [0x0002a] in <f712f98eb8e445c8918edaf595bbe465>:0 at System.Threading.ThreadPoolWorkQueue.Dispatch () [0x00096] in <f712f98eb8e445c8918edaf595bbe465>:0 at System.Threading._ThreadPoolWaitCallback.PerformWaitCallback () [0x00000] in <f712f98eb8e445c8918edaf595bbe465>:0 </f712f98eb8e445c8918edaf595bbe465></f712f98eb8e445c8918edaf595bbe465></f712f98eb8e445c8918edaf595bbe465></f712f98eb8e445c8918edaf595bbe465></f712f98eb8e445c8918edaf595bbe465></f712f98eb8e445c8918edaf595bbe465></99795eb1250a446f92f3dd659dc2fb1c></99795eb1250a446f92f3dd659dc2fb1c>
Bansheeのクラッシュの原因は、Monoのアップグレード
Bansheeがクラッシュするようになった原因は、Monoの4.8.0.495へのアップグレードによるもの。Monoのバージョンをひとつ下げることで、Bansheeがクラッシュしなくなる。以下、Monoのバージョンを下げる方法を記す。強制的に、Monoのバージョンを下げるので、その他のアプリケーションが不具合を起こす可能性があるので、その点は注意して下さい。
まず、AURから、パッケージダウングレードツールのdowngraderをインストールする。
$ packer -S downgrader Aur Targets (1): downgrader Proceed with installation? [Y/n] y Edit downgrader PKGBUILD with $EDITOR? [Y/n] n ==> Making package: downgrader 2.0.0-3 (2017年 3月 11日 土曜日 17:58:00 JST) ==> Checking runtime dependencies... ==> Checking buildtime dependencies... ==> Retrieving sources... ... loading packages... resolving dependencies... looking for conflicting packages... Packages (1) downgrader-2.0.0-3 Total Installed Size: 0.03 MiB :: Proceed with installation? [Y/n] y (1/1) checking keys in keyring [#####################################################] 100% (1/1) checking package integrity [#####################################################] 100% (1/1) loading package files [#####################################################] 100% (1/1) checking for file conflicts [#####################################################] 100% (1/1) checking available disk space [#####################################################] 100% :: Processing package changes... (1/1) installing downgrader [#####################################################] 100% :: Running post-transaction hooks... (1/1) Arming ConditionNeedsUpdate...
次に、downgraderを使って、Monoのバージョンをmono-4.6.1.3-1へ下げる。
$ downgrader mono Downgrade package: mono 1: mono-4.8.0.495-https://archive.archlinux.org/packages/m/mono/mono-4.8.0.495-1-x86_64.pkg.tar.xz [installed] 2: mono-4.6.1.3-1 (from cache) 3: mono-4.4.1.0-1 (from cache) 4: mono-4.4.0.40-2/var/cache/pacman/pkg/mono-4.4.0.40-2-x86_64.pkg.tar.xz (from cache) 5: mono-4.4.0.40-1https://archive.archlinux.org/packages/m/mono/mono-4.4.0.40-1-x86_64.pkg.tar.xz (from ALA) 6: mono-4.2.2.30-2/var/cache/pacman/pkg/mono-4.2.2.30-2-x86_64.pkg.tar.xz (from cache) 7: mono-4.2.2.30-1https://archive.archlinux.org/packages/m/mono/mono-4.2.2.30-1-x86_64.pkg.tar.xz (from ALA) 8: mono-4.2.2.10-1https://archive.archlinux.org/packages/m/mono/mono-4.2.2.10-1-x86_64.pkg.tar.xz (from ALA) 9: mono-4.2.1.102-https://archive.archlinux.org/packages/m/mono/mono-4.2.1.102-1-x86_64.pkg.tar.xz (from ALA) 10: mono-4.0.4.1-1 (from ALA) 11: mono-4.0.3.20-1https://archive.archlinux.org/packages/m/mono/mono-4.0.3.20-1-x86_64.pkg.tar.xz (from ALA) 12: mono-4.0.2.5-1 (from ALA) 13: mono-4.0.1.44-1https://archive.archlinux.org/packages/m/mono/mono-4.0.1.44-1-x86_64.pkg.tar.xz (from ALA) 14: mono-4.0.1.28-1https://archive.archlinux.org/packages/m/mono/mono-4.0.1.28-1-x86_64.pkg.tar.xz (from ALA) 15: mono-3.8.0-1 (from ALA) 16: mono-3.4.0-1 (from ALA) 17: mono-3.2.8-1 (from ALA) 18: mono-3.2.3-2 (from ALA) 19: mono-3.2.3-1 (from ALA) 20: mono-3.2.1-1 (from ALA) 21: mono-3.12.1-1 (from ALA) 22: mono-3.12.0-1 (from ALA) 23: mono-3.10.0-1 (from ALA) 24: mono-3.0.7-1 (from ALA) 25: mono-3.0.12-1 (from ALA) >> Please enter package number, [q] to quit 2 loading packages... warning: downgrading package mono (4.8.0.495-1 => 4.6.1.3-1) resolving dependencies... looking for conflicting packages... Packages (1) mono-4.6.1.3-1 Total Installed Size: 160.75 MiB Net Upgrade Size: -9.76 MiB :: Proceed with installation? [Y/n] y (1/1) checking keys in keyring [#####################################################] 100% (1/1) checking package integrity [#####################################################] 100% (1/1) loading package files [#####################################################] 100% (1/1) checking for file conflicts [#####################################################] 100% (1/1) checking available disk space [#####################################################] 100% :: Processing package changes... (1/1) downgrading mono [#####################################################] 100% Linux Cert Store Sync - version 4.6.1.0 Synchronize local certs with certs from local Linux trust store. Copyright 2002, 2003 Motus Technologies. Copyright 2004-2008 Novell. BSD licensed. I already trust 184, your new list has 160 24 previously trusted certificates were removed. Certificate removed: E=pki@sk.ee, C=EE, O=AS Sertifitseerimiskeskus, CN=Juur-SK Certificate removed: O=RSA Security Inc, OU=RSA Security 2048 V3 Certificate removed: C=NO, O=Buypass AS-983163327, CN=Buypass Class 2 CA 1 Certificate removed: C=US, O=Equifax, OU=Equifax Secure Certificate Authority Certificate removed: C=US, O=Equifax Secure Inc., CN=Equifax Secure eBusiness CA-1 Certificate removed: C=ES, O=Generalitat Valenciana, OU=PKIGVA, CN=Root CA Generalitat Valenciana Certificate removed: C=SK, L=Bratislava, O=Disig a.s., CN=CA Disig Certificate removed: C=FR, S=France, L=Paris, O=PM/SGDN, OU=DCSSI, CN=IGC/A, E=igca@sgdn.pm.gouv.fr Certificate removed: C=NL, O=Staat der Nederlanden, CN=Staat der Nederlanden Root CA Certificate removed: C=US, O=Equifax Secure Inc., CN=Equifax Secure Global eBusiness CA-1 Certificate removed: CN=EBG Elektronik Sertifika Hizmet Sağlayıcısı, O=EBG Bilişim Teknolojileri ve Hizmetleri A.Ş., C=TR Certificate removed: C=US, O=Entrust.net, OU=www.entrust.net/CPS incorp. by ref. (limits liab.), OU=(c) 1999 Entrust.net Limited, CN=Entrust.net Secure Server Certification Authority Certificate removed: L=ValiCert Validation Network, O="ValiCert, Inc.", OU=ValiCert Class 2 Policy Validation Authority, CN=http://www.valicert.com/, E=info@valicert.com Certificate removed: C=ZA, S=Western Cape, L=Cape Town, O=Thawte Consulting cc, OU=Certification Services Division, CN=Thawte Server CA, E=server-certs@thawte.com Certificate removed: C=HU, L=Budapest, O=NetLock Halozatbiztonsagi Kft., OU=Tanusitvanykiadok, CN=NetLock Uzleti (Class B) Tanusitvanykiado Certificate removed: C=HU, L=Budapest, O=NetLock Halozatbiztonsagi Kft., OU=Tanusitvanykiadok, CN=NetLock Expressz (Class C) Tanusitvanykiado Certificate removed: L=ValiCert Validation Network, O="ValiCert, Inc.", OU=ValiCert Class 3 Policy Validation Authority, CN=http://www.valicert.com/, E=info@valicert.com Certificate removed: L=ValiCert Validation Network, O="ValiCert, Inc.", OU=ValiCert Class 1 Policy Validation Authority, CN=http://www.valicert.com/, E=info@valicert.com Certificate removed: C=ZA, S=Western Cape, L=Cape Town, O=Thawte Consulting cc, OU=Certification Services Division, CN=Thawte Premium Server CA, E=premium-server@thawte.com Certificate removed: C=HU, S=Hungary, L=Budapest, O=NetLock Halozatbiztonsagi Kft., OU=Tanusitvanykiadok, CN=NetLock Kozjegyzoi (Class A) Tanusitvanykiado Certificate removed: C=US, O="VeriSign, Inc.", OU=Class 3 Public Primary Certification Authority Certificate removed: C=US, O="VeriSign, Inc.", OU=Class 3 Public Primary Certification Authority Certificate removed: C=US, O="VeriSign, Inc.", OU=Class 3 Public Primary Certification Authority - G2, OU="(c) 1998 VeriSign, Inc. - For authorized use only", OU=VeriSign Trust Network Certificate removed: C=US, O=GTE Corporation, OU="GTE CyberTrust Solutions, Inc.", CN=GTE CyberTrust Global Root Import process completed. :: Running post-transaction hooks... (1/1) Arming ConditionNeedsUpdate...
Monoのバージョンが、下げっていることを確認しておく。
$ mono -V Mono JIT compiler version 4.6.1 (Stable 4.6.1.3/abb06f1 Mon Oct 3 07:51:42 UTC 2016) Copyright (C) 2002-2014 Novell, Inc, Xamarin Inc and Contributors. www.mono-project.com TLS: __thread SIGSEGV: altstack Notifications: epoll Architecture: amd64 Disabled: none Misc: softdebug LLVM: supported, not enabled. GC: sgen
パッケージのアップグレードの時、Monoのパッケージを除いてアップグレードする時は、--ignoreのオプションで指定する。冒頭にも書いたが、このような部分的なアップグレードは好ましくないので、注意が必要（[2]pacman - ArchWiki - 1.3.1 部分的なアップグレードはサポートされていません）。
# pacman -Syu --ignore mono
参考：
[1]Banshee crash on startup - Ask Ubuntu
[2]pacman - ArchWiki - 1.3.1 部分的なアップグレードはサポートされていません
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