Bug 89046 – lockup on ftp get directory

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Bug 89046 - lockup on ftp get directory


Summary:	lockup on ftp get directory


Status:	RESOLVED DUPLICATE of bug 62147

Product:	gnome-vfs
Classification:	Deprecated
Component:	Module: ftp
Version:	cvs (head)
Hardware:	Other Linux

Importance:	High critical
Target Milestone:	---
Assigned To:	gnome-vfs maintainers
QA Contact:	Luis Villa

URL:
Whiteboard:

Depends on:
Blocks:

Reported:	2002-07-25 14:04 UTC by Josh Parsons
Modified:	2004-12-22 21:47 UTC

See Also:
GNOME target:	---
GNOME version:	2.0

Description Josh Parsons 2002-07-25 14:04:06 UTC

If nautilus has been left running for a while (hours), attempts to look at
an ftp directory uri result in lockup (nautilus OK, but all vfs accesses
take forever) with one thread consuming 100% cpu time.

A backtrace of the out-of-control thread shows:

+ Trace 25452

#0 read
from /lib/i686/libpthread.so.0
#1 refill_input_buffer
from /usr/lib/libgnomevfs-2.so.0
#2 gnome_vfs_iobuf_read
from /usr/lib/libgnomevfs-2.so.0
#3 read_response_line
from /usr/lib/gnome-vfs-2.0/modules/libftp.so
#4 get_response
from /usr/lib/gnome-vfs-2.0/modules/libftp.so
#5 ftp_connection_acquire
from /usr/lib/gnome-vfs-2.0/modules/libftp.so
#6 do_open_directory
from /usr/lib/gnome-vfs-2.0/modules/libftp.so
#7 do_get_file_info
from /usr/lib/gnome-vfs-2.0/modules/libftp.so
#8 gnome_vfs_get_file_info_uri_cancellable
from /usr/lib/libgnomevfs-2.so.0
#9 execute_get_file_info
from /usr/lib/libgnomevfs-2.so.0
#10 gnome_vfs_job_execute
from /usr/lib/libgnomevfs-2.so.0
#11 thread_routine
from /usr/lib/libgnomevfs-2.so.0
#12 thread_entry
from /usr/lib/libgnomevfs-2.so.0
#13 g_thread_create_proxy
from /usr/lib/libglib-2.0.so.0
#14 pthread_start_thread
from /lib/i686/libpthread.so.0

Comment 1 Luis Villa 2002-08-20 00:59:50 UTC

Josh: is this always repeatable?

Comment 2 Josh Parsons 2002-08-21 12:08:21 UTC

Yep, it happens every time nautilus has been running a couple of hours
for me.  I just checked again, here is another backtrace.  This bug
has been biting me since before gnome 2, though I hadn't tried tracing
it with gdb before.

I use nautilus with ftp uris a lot - it could be that the time has to
elapse between successive ftp load directories, rather than between
gnome-vfs initialisation and a load directory.

+ Trace 26453

#0 g_string_insert_len
from /usr/lib/libglib-2.0.so.0
#1 g_string_append
from /usr/lib/libglib-2.0.so.0
#2 read_response_line
from /usr/lib/gnome-vfs-2.0/modules/libftp.so
#3 get_response
from /usr/lib/gnome-vfs-2.0/modules/libftp.so
#4 ftp_connection_acquire
from /usr/lib/gnome-vfs-2.0/modules/libftp.so
#5 do_open_directory
from /usr/lib/gnome-vfs-2.0/modules/libftp.so
#6 do_get_file_info
from /usr/lib/gnome-vfs-2.0/modules/libftp.so
#7 gnome_vfs_get_file_info_uri_cancellable
from /usr/lib/libgnomevfs-2.so.0
#8 execute_get_file_info
from /usr/lib/libgnomevfs-2.so.0
#9 gnome_vfs_job_execute
from /usr/lib/libgnomevfs-2.so.0
#10 thread_routine
from /usr/lib/libgnomevfs-2.so.0
#11 thread_entry
from /usr/lib/libgnomevfs-2.so.0
#12 g_thread_create_proxy
from /usr/lib/libglib-2.0.so.0
#13 pthread_start_thread
from /lib/i686/libpthread.so.0

Comment 3 Josh Parsons 2002-12-11 14:58:28 UTC

I can no longer reproduce this bug - it seems to have stopped
happenning somewhere before gnome-vfs 2.1.3

Comment 4 Christophe Fergeau 2003-03-27 22:14:11 UTC

Marking as fixed then, shout if you disagree :)

Comment 5 Josh Parsons 2003-04-16 17:10:29 UTC

Ulch! Found it again... It seems this bug only shows up on one ftp
server I use.  It seemed to disappear because I stopped using that
server for a while.  My guess is that it's due to the server software
they're using.  The server is ftp.mirror.ac.uk (resolves to several
servers, but they all cause trouble).  Maybe buggy server software,
but it shouldn't cause a lockup in any case.

The admins of the server concerned can be reached at mirror@mirror.ac.uk

Comment 6 Christophe Fergeau 2003-05-23 20:50:09 UTC

Bug #62147 is similar

Comment 7 Manuel Clos 2003-10-19 22:37:56 UTC

Well, I think this _is_ Bug #62147

+ Trace 41013

#0 g_string_insert_len
from /usr/lib/libglib-2.0.so.0
#1 g_string_append
from /usr/lib/libglib-2.0.so.0
#2 read_response_line
from /usr/lib/gnome-vfs-2.0/modules/libftp.so
#3 get_response
from /usr/lib/gnome-vfs-2.0/modules/libftp.so


It keeps in read_response_line because it is waiting to complete the
response that will never arrive because of "421 Timeout" :)

Comment 8 Luis Villa 2004-02-22 18:42:38 UTC


*** This bug has been marked as a duplicate of 62147 ***