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This is almost certainly an Opera issue, not an OS one, but I'm really
scratching my head over it, so I'll broaden the scope of the
investigation a bit.
Here are the facts:
- - opera 6.0beta, running fine for weeks on Hobson, a Red Hat 7.2
workstation, suddenly -- mid-session -- became unable to load any site.
Just hung while searching for the address, even if I give it the IP
address instead of the fqdn.
- - Confirmed that the following work correctly at this time:
- basic IP connectivity
- DNS resolution
- all functions in Mozilla, using the same addresses.
That would seem to rule out an OS or networking problem, so ...
- - Created and tried a new user on Hobson, tried Opera again - still
fails. Now we've ruled out a user-specific config problem.
- - Copied the directory containing Opera binaries to Caspar, Red Hat 7.2.
Runs fine using these same binaries. Now we've determined that there's
something specific to Hobson that's causing a problem.
- - Download new copy of Opera, same version, remove the old copy and
unpack the new one on Hobson. Still fails to load sites with these
fresh binaries.
- - Fire up tcpdump on Hobson. Traffic seen only between DNS server and
me. No contact with target site. Turn off firewall and repeat; no
change.
- - Last resort: run Opera as root. Still fails. Now we've ruled out any
kind of permissions problem.
All copies of this formerly working browser, including fresh ones,
suddenly stopped working on only _one_ workstation for all users, while
identical copies of these same binaries continue to work fine on another
workstation, and other browsers continue to work fine on both
workstations. In all cases, binaries are owned by root and run by a
normal user with default configurations.
What have I failed to rule out?
- -d
- --
David Talkington
PGP key: http://www.prairienet.org/~dtalk/0xCA4C11AD.pgp
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