Date: Sat, 19 Apr 2008 02:03:27 -0400 From: Joe Marcus Clarke <marcus@marcuscom.com> To: Markus Brueffer <markus@freebsd.org> Cc: freebsd-gnome@freebsd.org Subject: Re: Possible problem with gamin Message-ID: <1208585007.15734.61.camel@shumai.marcuscom.com> In-Reply-To: <200804151726.00373.markus@FreeBSD.org>
index | next in thread | previous in thread | raw e-mail
[-- Attachment #1 --] On Tue, 2008-04-15 at 17:25 +0200, Markus Brueffer wrote: > Hi, > > I'm currently hunting down a problem in KDE4 where kded4 (some sort of super > daemon) hangs when shutting down KDE4. kded4 has a plugin for file monitoring > using the FAM API. > > If I replace gamin with fam, the shutdown works fine, so I'm suspecting a > problem with gamin. > > Attaching to the hanging kded4 process shows this (full backtrace with further > debugging data is attached): > > [Switching to Thread 0x8103100 (LWP 100101)] > 0x29976e61 in write () from /lib/libc.so.7 > (gdb) bt > #0 0x29976e61 in write () from /lib/libc.so.7 > #1 0x28fa3152 in write () from /lib/libthr.so.3 > #2 0x2977a1f1 in gamin_write_byte (fd=13, data=0xbfbfd69a "\n", len=10) at > gam_api.c:535 > #3 0x2977a4b9 in gamin_send_request (type=GAM_REQ_CANCEL, fd=13, > filename=0x0, fr=0x8254730, userData=0x0, data=0x811d800, has_reqnum=0) at > gam_api.c:629 > #4 0x2977bc6d in FAMCancelMonitor (fc=0x817acb0, fr=0x8254730) at > gam_api.c:1413 > #5 0x281aaca0 in KDirWatchPrivate::removeEntry (this=0x817ac50, > instance=0x81bab60, e=0x8254704, sub_entry=0x0) > at /usr/ports/x11/kdelibs4/work/kdelibs-4.0.3/kio/kio/kdirwatch.cpp:797 > #6 0x281a9976 in KDirWatchPrivate::removeEntry (this=0x817ac50, > instance=0x81bab60, _path=@0x834beec, sub_entry=0x0) > at /usr/ports/x11/kdelibs4/work/kdelibs-4.0.3/kio/kio/kdirwatch.cpp:771 > #7 0x281a9d56 in KDirWatchPrivate::removeEntries (this=0x817ac50, > instance=0x81bab60) > at /usr/ports/x11/kdelibs4/work/kdelibs-4.0.3/kio/kio/kdirwatch.cpp:873 > #8 0x281aa017 in ~KDirWatch (this=0x81bab60) > at /usr/ports/x11/kdelibs4/work/kdelibs-4.0.3/kio/kio/kdirwatch.cpp:1520 > [...] > > top(1) shows that both gam_server and kded4 are in 'sbwait' state. > > This is on RELENG_7 (i386) with gamin-0.1.9_1. Switching between polling and > kqueue support doesn't make a difference. It would be good to see the backtrace from all gam_server threads to get an idea what gam_server is doing. kded4 has written data to the gam_server socket, and it is blocking until the data is drained. Joe > > Any ideas? > > Thanks, > > Markus > -- PGP Key : http://www.marcuscom.com/pgp.asc [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.8 (FreeBSD) iEYEABECAAYFAkgJiy8ACgkQb2iPiv4Uz4fpJgCfaPi/gEf4xckV7wNWdz4hgAj2 +YAAn21ZBF9ewV7XTJKIMdzsrPAHzSAE =/QK8 -----END PGP SIGNATURE-----help
Want to link to this message? Use this
URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?1208585007.15734.61.camel>