Looks like i just encountered this issue. I have a sftp host which was
unaccessible for some time (ssh connection just hangs). The host started
working but I was wondering why the computer felt slow. This is the
reason (output from top):
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
4742 vranki 20 0 38208 3200 2720 S 49,8 0,0 15:37.13 gvfsd-sftp
4728 vranki 20 0 38208 3192 2724 S 49,5 0,0 16:20.64 gvfsd-sftp
4558 vranki 20 0 38208 3188 2724 S 49,2 0,0 17:17.47 gvfsd-sftp
4595 vranki 20 0 38208 3200 2724 S 49,2 0,0 16:45.67 gvfsd-sftp
4530 vranki 20 0 38208 3188 2716 S 48,8 0,0 18:01.79 gvfsd-sftp
4603 vranki 20 0 38208 3192 2712 S 48,5 0,0 16:38.69 gvfsd-sftp
4585 vranki 20 0 38208 3184 2716 S 45,2 0,0 16:40.84 gvfsd-sftp
4778 vranki 20 0 38208 3204 2720 S 45,2 0,0 15:05.80 gvfsd-sftp
3783 vranki 20 0 1117m 357m 45m S 5,3 4,6 6:22.19 firefox
Looks like gfvsd-sftp does not handle the error condition properly and
is stuck in busy loop.
Backtrace of the situation (doesn't look very helpful):
(gdb) bt
#0 0xb77d6182 in _dl_sysinfo_int80 () from /lib/ld-linux.so.2
#1 0xb739f9db in poll () at ../sysdeps/unix/syscall-template.S:81
#2 0xb74e82db in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3 0xb74d96d0 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4 0xb74d9c2b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5 0x0805571c in ?? ()
#6 0x0804c053 in ?? ()
#7 0xb72d6935 in __libc_start_main (main=0x804bfe0, argc=4, ubp_av=0xbfe802b4,
init=0x80557b0, fini=0x8055820,
rtld_fini=0xb77e4600 <_dl_fini>, stack_end=0xbfe802ac) at libc-start.c:260
#8 0x0804c079 in ?? ()
I'm not sure if the issue can be easily reproduced but there seems to be
a bug.
** Changed in: gvfs (Ubuntu)
Status: Expired => New
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https://bugs.launchpad.net/bugs/688700
Title:
gvfsd-sftp several minutes consumes all available CPU resources , if
try connect to unreachable SSH host.
Status in “gvfs” package in Ubuntu:
New
Bug description:
Binary package hint: gvfs
gvfsd-sftp several minutes consumes all available CPU resources , if
try connect to unreachable SSH host.
Ubuntu 11.04 Natty x86 2.6.37-8-generic
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