Hmmm,
I have seen this at a customer site as well. It freezes just as he says.
At 12:59 PM 12/23/99 +0100, Aleksander Adamowski
<olo@xxxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
>I think i've stumbled upon a serious bug in ethereal versions 0.7.8 and 0.7.9
>(0.7.7 works perfectly all right).
>
>Ethereal freezes when capturing packets, and I'm almost sure that it's not
the
>problem you described (the one that occurs under Linux when there's low LAN
>traffic) - first of all, Ethereal 0.7.7 works perfect, and then our local
>network is quite loaded with traffic all the time, so it shouldn't be the
>problem with libpcap for Linux.
>
>The freezing I'm talking about occurs in the following way:
>1. I run Ethereal from x terminal (safer)
>2. So far so good... I go to "capture" -> "start..."
>3. I press "OK"
>4. the "Ethereal: Capture/Playback" window appears, but apart from the title
>bar (which displays the "Ethereal: Capture/Playback" string) the window is
empty
>(no widgets are visible, absolutely nothing).
>5. Ethereal is dead. Doesn't respond to clicking any of the close window
>buttons (Capture window nor Main window). No errors are displayed on the
>console, and it responds properly to CTRL-C combo, exiting properly though.
>
>When setting up capture options, I usually uncheck "Enable name resolution"
>(because name resolution slowed me down in previous working versions of
>Ethereal) and set capture length to something around 5000 (because my
eth0's MTU
>is 3924 bytes), but leaving those two intact doesn't help. Supplying a
filter
>expression in filter dialog doesn't change anything (well it actually
outputs a
>message to the terminal that says: "Kernel filter, protocol ALL, raw packet
>socket", but it seems that it a normal operation message, not an error
message)
>and Ethereal always freezes the same way.
>
>The given problem always occured. I tried it with different ethereal
packages :
>-- original ethereal-0.7.9-tar.gz that I compiled manually (though I prefer
>using RPMs, I haven't got time to compile everything manually)
>-- ethereal-0.7.8-1.i586.rpm package that I rebuilt from a source RPM made by
>Henri Gomez <gomez@xxxxxxx>
>-- ethereal-0.7.8-1.i386.rpm binary actually built by Henri Gomez
>-- ethereal-0.7.9 packages from Henri Gomez, too
>
>For now, I have to fall back to Ethereal 0.7.7. I hope this bug gets
someone's
>attention, because new features in Ethereal 0.7.8 and 0.7.9 seem to be
great.
>
>I'm using Mandrake Linux 6.1 (kernel 2.2.13), libpcap 0.4 (RPM package
release
>16 compiled from tcpdump-3.4-16 source RPM), which is the original libpcap
>package included with Mandrake 6.1 distro.
>
>Best regards,
>--
>Aleksander Adamowski
> the_olo@xxxxxxxxxxxxx
>
Regards
-------
Richard Sharpe, sharpe@xxxxxxxxxx, Master Linux Administrator :-),
Samba (Team member, www.samba.org), Ethereal (Team member, www.zing.org)
Co-author, SAMS Teach Yourself Samba in 24 Hours
Author: First Australian 5-day, intensive, hands-on Linux SysAdmin course
