Your message dated Fri, 15 Nov 2019 20:27:46 +0000 with message-id <[email protected]> and subject line Re: Bug#818694: cups: Assertion `*_head == _item` failed in avahi_entry_group_free has caused the Debian Bug report #818694, regarding cups: Assertion `*_head == _item` failed in avahi_entry_group_free 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 [email protected] immediately.) -- 818694: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=818694 Debian Bug Tracking System Contact [email protected] with problems
--- Begin Message ---Package: cups Version: 2.1.3-3 Severity: normal -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 cupsd crashed with the following message: Mar 18 10:54:10 wintermute cupsd[20158]: cupsd: entrygroup.c:245: avahi_entry_group_free: Assertion `*_head == _item' failed. Mar 18 10:54:10 wintermute systemd[1]: cups.service: Main process exited, code=killed, status=6/ABRT Backtrace: [New LWP 20198] [New LWP 20158] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". Core was generated by `/usr/sbin/cupsd -l'. Program terminated with signal SIGABRT, Aborted. #0 0x00007fdb15398478 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:55 55 ../sysdeps/unix/sysv/linux/raise.c: No such file or directory. [Current thread is 1 (Thread 0x7fdb1129d700 (LWP 20198))] (gdb) bt full #0 0x00007fdb15398478 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:55 resultvar = 0 pid = 20158 selftid = 20198 #1 0x00007fdb153998fa in __GI_abort () at abort.c:89 save_stage = 2 act = {__sigaction_handler = {sa_handler = 0x4, sa_sigaction = 0x4}, sa_mask = {__val = {0, 140578956318816, 140578862516624, 4170012000, 0, 0, 0, 21474836480, 140578931909807, 140578862516776, 140578862516576, 140578931923640, 140578931943888, 152, 140578956247040, 140578941568338}}, sa_flags = 245, sa_restorer = 0x7fdb15e007d0 <__PRETTY_FUNCTION__.5537>} sigs = {__val = {32, 0 <repeats 15 times>}} #2 0x00007fdb153913a7 in __assert_fail_base (fmt=<optimized out>, assertion=assertion@entry=0x7fdb15e00552 "*_head == _item", file=file@entry=0x7fdb15e00537 "entrygroup.c", line=line@entry=245, function=function@entry=0x7fdb15e007d0 <__PRETTY_FUNCTION__.5537> "avahi_entry_group_free") at assert.c:92 str = 0x7fdb0c000920 "" total = 4096 #3 0x00007fdb15391452 in __GI___assert_fail (assertion=assertion@entry=0x7fdb15e00552 "*_head == _item", file=file@entry=0x7fdb15e00537 "entrygroup.c", line=line@entry=245, function=function@entry=0x7fdb15e007d0 <__PRETTY_FUNCTION__.5537> "avahi_entry_group_free") at assert.c:101 No locals. #4 0x00007fdb15df9e47 in avahi_entry_group_free (group=0x55daf88c3f60) at entrygroup.c:245 _head = 0x55daf8853dc8 _item = 0x55daf88c3f60 client = 0x55daf8853d70 r = 0 __PRETTY_FUNCTION__ = "avahi_entry_group_free" #5 0x000055daf6f10b52 in dnssdDeregisterInstance (srv=0x55daf87b8100, from_callback=<optimized out>) at dirsvc.c:684 No locals. #6 0x000055daf6f10bd2 in dnssdDeregisterPrinter (p=0x55daf87b7960, clear_name=clear_name@entry=1, from_callback=from_callback@entry=1) at dirsvc.c:711 No locals. #7 0x000055daf6f110e8 in dnssdDeregisterAllPrinters (from_callback=from_callback@entry=1) at dirsvc.c:659 p = <optimized out> #8 0x000055daf6f1246d in dnssdClientCallback (c=0x55daf8853d70, state=<optimized out>, userdata=<optimized out>) at dirsvc.c:602 error = 21978 #9 0x00007fdb15df8b15 in filter_func (bus=0x4ebe, message=0x55daf88d5560, userdata=0x55daf8853d70) at client.c:300 error = {name = 0x0, message = 0x0, dummy1 = 1, dummy2 = 0, dummy3 = 0, dummy4 = 0, dummy5 = 0, padding1 = 0x7fdb16223bee <_dbus_connection_unlock+62>} __PRETTY_FUNCTION__ = "filter_func" #10 0x00007fdb16227795 in dbus_connection_dispatch () from /lib/x86_64-linux-gnu/libdbus-1.so.3 No symbol table info available. #11 0x00007fdb15dffa96 in dispatch_timeout_callback (t=<optimized out>, userdata=0x55daf87b92b0) at ../avahi-common/dbus-watch-glue.c:105 d = 0x55daf87b92b0 #12 0x00007fdb1600cd68 in avahi_simple_poll_dispatch (s=0x55daf88fa880) at simple-watch.c:570 next_timeout = 0x55daf88c3ed0 w = <optimized out> __PRETTY_FUNCTION__ = "avahi_simple_poll_dispatch" #13 0x00007fdb1600d04d in avahi_simple_poll_loop (s=0x55daf88fa880) at simple-watch.c:646 r = <optimized out> __PRETTY_FUNCTION__ = "avahi_simple_poll_loop" #14 0x00007fdb1600d114 in thread (userdata=0x55daf88da580) at thread-watch.c:71 p = 0x55daf88da580 mask = {__val = {18446744067267100671, 18446744073709551615 <repeats 15 times>}} #15 0x00007fdb15710454 in start_thread (arg=0x7fdb1129d700) at pthread_create.c:334 __res = <optimized out> pd = 0x7fdb1129d700 now = <optimized out> unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140578862520064, -1989706272977805269, 0, 140731603073775, 3, 94398960011632, 2005516890017538091, 2005524936427348011}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = <optimized out> pagesize_m1 = <optimized out> sp = <optimized out> freesize = <optimized out> __PRETTY_FUNCTION__ = "start_thread" #16 0x00007fdb1544dedd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 No locals. - -- System Information: Debian Release: 8.3 APT prefers stable-updates APT policy: (550, 'stable-updates'), (550, 'stable'), (530, 'testing'), (520, 'unstable'), (510, 'experimental'), (500, 'unstable-debug'), (500, 'testing-updates') Architecture: amd64 (x86_64) Kernel: Linux 4.4.0-1-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 Init: systemd (via /run/systemd/system) Versions of packages cups depends on: ii cups-client 2.1.3-3 ii cups-common 2.1.3-3 ii cups-core-drivers 2.1.3-3 ii cups-daemon 2.1.3-3 ii cups-filters 1.8.2-3 ii cups-ppdc 2.1.3-3 ii cups-server-common 2.1.3-3 ii debconf [debconf-2.0] 1.5.59 ii ghostscript 9.06~dfsg-2+deb8u1 ii libavahi-client3 0.6.31-5 ii libavahi-common3 0.6.31-5 ii libc-bin 2.22-3 ii libc6 2.22-3 ii libcups2 2.1.3-3 ii libcupscgi1 2.1.3-3 ii libcupsimage2 2.1.3-3 ii libcupsmime1 2.1.3-3 ii libcupsppdc1 2.1.3-3 ii libgcc1 1:5.3.1-11 ii libstdc++6 5.3.1-11 ii libusb-1.0-0 2:1.0.19-1 ii lsb-base 4.1+Debian13+nmu1 ii poppler-utils 0.26.5-2 ii procps 2:3.3.9-9 Versions of packages cups recommends: ii avahi-daemon 0.6.31-5 ii colord 1.2.1-1+b2 ii cups-filters [ghostscript-cups] 1.8.2-3 pn printer-driver-gutenprint <none> Versions of packages cups suggests: pn cups-bsd <none> pn cups-pdf <none> pn foomatic-db-compressed-ppds | foomatic-db <none> pn hplip <none> pn printer-driver-hpcups <none> ii smbclient 2:4.1.17+dfsg-2+deb8u2 ii udev 229-2 - -- debconf information: * cupsys/backend: lpd, socket, usb, snmp, dnssd * cupsys/raw-print: false -----BEGIN PGP SIGNATURE----- iQIcBAEBCAAGBQJW7aquAAoJENILQgJc2ie5FtUQAKB9WizexZ7Zay9kimcv8+Kt UZLeo+OsndBOl7jPb58rDljzwx1JXJoGeM84KvTLg3GY9WDBr2TbsnKbNgUsJHfn t890+FVf5qTsDOmtJqa1u1VQdWencpIYHiDIHto3dNyAmuOGHpZoZYbsCsang/Ce ZWkMR9e7OVJxlhhBIvCt6fbZSKEUdk/Z7DIcB6RaQDdf5jgz4Nw2o8JDcU3BhCot YSslxxz8SBH7EWdcR7UkUiAAbeJXcCD29LCwVZYMp9PSN++R/LM0Ye8OnB+/ro92 Oz3aQDYUkiV2tvHMxQ2t4GnTSjE9O3oPr5wqaOztnR44gLeXL1rp1jpndsjW96yy +6kByBzZSRT6FhCUbRjE/Q3E/3r5l38mkpDpLTsQWkujggXVHoK4zN3oMYYK5Hs1 RYNwmaRBYUE5OsFke2knIis9KPobiLW+sHYUc7bAiAC6apsATLWoz+FIbB1FX/yt PIMwcmiTeEzN5W04890LTegJZaNbQCIsvVDKygjpDKDzlP4eU9TX72qFRP+FYadT y25mnkesk3RY83OUALDsb3XUGHOVppQpLPvhGG0TzrAVMXuxzM7fosCMc0NLNA7i w6tky6ygltuELdnRKb8r5z5pfbgPoAIlsNeTPkk8m7Acgjlfni77J+O+Gw1ot2Qz RaonY297fMRU/MdZUSmL =Y+Pp -----END PGP SIGNATURE-----
--- End Message ---
--- Begin Message ---Hello Sam, Upstream says: > As noted in Issue #4719, unless you can contribute a fix we can > do nothing here. This looked like a race condition in Avahi itself > but I a) cannot reproduce myself and b) do not have the time to > spend on tracking this down further myself. I cannot speak for all the printing team, but that is also my view. Unless inspiration comes from elsewhere we will be carrying this bug with little hope of a solution. Hence closing. Regards, Brian.
--- End Message ---
