Your message dated Tue, 21 Aug 2012 03:44:34 +0100 with message-id <1345517074.22400.179.camel@deadeye.wl.decadent.org.uk> and subject line Re: sync() may block for very long periods - writeback problem? has caused the Debian Bug report #595927, regarding sync() may block for very long periods - writeback problem? to be marked as done. This means that you claim that the problem has been dealt with. If this is not the case it is now your responsibility to reopen the Bug report if necessary, and/or fix the problem forthwith. (NB: If you are a system administrator and have no idea what this message is talking about, this may indicate a serious mail system misconfiguration somewhere. Please contact owner@bugs.debian.org immediately.) -- 595927: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=595927 Debian Bug Tracking System Contact owner@bugs.debian.org with problems
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- To: Debian Bug Tracking System <submit@bugs.debian.org>
- Subject: dpkg: Hang when unpacking a package
- From: Sam Morris <sam@robots.org.uk>
- Date: Mon, 13 Dec 2010 12:36:59 +0000
- Message-id: <20101213123659.29642.58412.reportbug@leela>
Package: dpkg Version: 1.15.8.5 Severity: normal dpkg hung while unpacking a package: $ sudo aptitude install cgroup-bin Reading package lists... Done Building dependency tree Reading state information... Done Reading extended state information Initializing package states... Done Writing extended state information... Done Reading task descriptions... Done The following NEW packages will be installed: cgroup-bin libcgroup1{a} 0 packages upgraded, 2 newly installed, 0 to remove and 0 not upgraded. Need to get 92.5kB of archives. After unpacking 438kB will be used. Do you want to continue? [Y/n/?] Writing extended state information... Done Get:1 http://ftp.uk.debian.org squeeze/main libcgroup1 0.36.2-3 [35.8kB] Get:2 http://ftp.uk.debian.org squeeze/main cgroup-bin 0.36.2-3 [56.7kB] Fetched 92.5kB in 0s (236kB/s) Selecting previously deselected package libcgroup1. (Reading database ... 113181 files and directories currently installed.) Unpacking libcgroup1 (from .../libcgroup1_0.36.2-3_amd64.deb) ... Kernel log messages: [5416663.481108] dpkg D ffff880006e0fa20 0 28315 26400 0x00000000 [5416663.481115] ffffffff8145d1f0 0000000000000082 0000000000000000 ffff880031a03e98 [5416663.481124] 0000000000000000 000000000000f9e0 ffff880031a03fd8 0000000000015780 [5416663.481133] 0000000000015780 ffff880045c6e9f0 ffff880045c6ece8 0000000081041307 [5416663.481142] Call Trace: [5416663.481153] [<ffffffff8110780f>] ? bdi_sched_wait+0x0/0xe [5416663.481160] [<ffffffff81107818>] ? bdi_sched_wait+0x9/0xe [5416663.481165] [<ffffffff812f9e45>] ? __wait_on_bit+0x41/0x70 [5416663.481169] [<ffffffff8110780f>] ? bdi_sched_wait+0x0/0xe [5416663.481173] [<ffffffff812f9edf>] ? out_of_line_wait_on_bit+0x6b/0x77 [5416663.481177] [<ffffffff81064a08>] ? wake_bit_function+0x0/0x23 [5416663.481181] [<ffffffff81107890>] ? sync_inodes_sb+0x73/0x12a [5416663.481186] [<ffffffff8110b3f5>] ? __sync_filesystem+0x4b/0x70 [5416663.481189] [<ffffffff8110b4b4>] ? sync_filesystems+0x9a/0xe3 [5416663.481193] [<ffffffff8110b542>] ? sys_sync+0x1c/0x2e [5416663.481197] [<ffffffff81010b42>] ? system_call_fastpath+0x16/0x1b [5416783.438276] INFO: task dpkg:28315 blocked for more than 120 seconds. [5416783.438330] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Files that are open: $ sudo lsof -n -p 28315 COMMAND PID USER FD TYPE DEVICE SIZE NODE NAME dpkg 28315 root cwd DIR 253,0 4096 2 / dpkg 28315 root rtd DIR 253,0 4096 2 / dpkg 28315 root txt REG 253,0 224960 187604 /usr/bin/dpkg dpkg 28315 root mem REG 253,0 47616 562323 /lib/libnss_files-2.11.2.so dpkg 28315 root mem REG 253,0 43552 562316 /lib/libnss_nis-2.11.2.so dpkg 28315 root mem REG 253,0 89064 562374 /lib/libnsl-2.11.2.so dpkg 28315 root mem REG 253,0 31616 562370 /lib/libnss_compat-2.11.2.so dpkg 28315 root mem REG 253,0 108805904 345146 /usr/lib/locale/locale-archive dpkg 28315 root mem REG 253,0 14696 562347 /lib/libdl-2.11.2.so dpkg 28315 root mem REG 253,0 1432968 562357 /lib/libc-2.11.2.so dpkg 28315 root mem REG 253,0 117848 561953 /lib/libselinux.so.1 dpkg 28315 root mem REG 253,0 128744 562378 /lib/ld-2.11.2.so dpkg 28315 root mem REG 253,0 26048 309653 /usr/lib/gconv/gconv-modules.cache dpkg 28315 root 0u CHR 136,5 8 /dev/pts/5 dpkg 28315 root 1u CHR 136,5 8 /dev/pts/5 dpkg 28315 root 2u CHR 136,5 8 /dev/pts/5 dpkg 28315 root 3uW REG 253,2 0 224914 /var/lib/dpkg/lock dpkg 28315 root 4w REG 253,2 4608 225141 /var/lib/dpkg/updates/tmp.i dpkg 28315 root 5u REG 253,2 0 224917 /var/lib/dpkg/triggers/Lock dpkg 28315 root 6w REG 253,2 47702 88580 /var/log/dpkg.log dpkg 28315 root 7r REG 253,2 258 224947 /var/lib/dpkg/diversions dpkg 28315 root 8r REG 253,2 111 225994 /var/lib/dpkg/statoverride dpkg 28315 root 36w FIFO 0,8 15501320 pipe dpkg.log: 2010-12-13 12:27:41 startup archives unpack 2010-12-13 12:27:43 install libcgroup1 <none> 0.36.2-3 2010-12-13 12:27:43 status half-installed libcgroup1 0.36.2-3 -- System Information: Debian Release: squeeze/sid APT prefers testing APT policy: (530, 'testing'), (520, 'unstable'), (1, 'experimental') Architecture: amd64 (x86_64) Kernel: Linux 2.6.32-5-amd64 (SMP w/2 CPU cores) Locale: LANG=en_GB.utf8, LC_CTYPE=en_GB.utf8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Versions of packages dpkg depends on: ii coreutils 8.5-1 GNU core utilities ii libbz2-1.0 1.0.5-6 high-quality block-sorting file co ii libc6 2.11.2-7 Embedded GNU C Library: Shared lib ii libselinux1 2.0.96-1 SELinux runtime shared libraries ii xz-utils 5.0.0-2 XZ-format compression utilities ii zlib1g 1:1.2.3.4.dfsg-3 compression library - runtime dpkg recommends no packages. Versions of packages dpkg suggests: ii apt 0.8.8 Advanced front-end for dpkg -- no debconf information
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--- Begin Message ---
- To: 595927-done@bugs.debian.org
- Subject: Re: sync() may block for very long periods - writeback problem?
- From: Ben Hutchings <ben@decadent.org.uk>
- Date: Tue, 21 Aug 2012 03:44:34 +0100
- Message-id: <1345517074.22400.179.camel@deadeye.wl.decadent.org.uk>
Version: 3.2~rc4-1~experimental.1 A lot of improvements to writeback went into 3.2, and the upstream bug report for this is now marked as resolved. Hopefully this is the case. Ben. -- Ben Hutchings The most exhausting thing in life is being insincere. - Anne Morrow LindbergAttachment: signature.asc
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