[Samba] Tall tale of woe....

[Gerald (Jerry) Carter]

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Ross McInnes (Systems) wrote:

| half way through writing this reply the server just panic'd and halted.
| on the screen was (or there abouts)
| smbd process PID 19579, stackpage = f300f000
|    calltrace [<c013e86b>] __kmem_cache_alloc
| followed by
|    e1000_alloc_rx_buffers
|    e1000_alloc_rx_irq
|
| might put some light onto it.
| dont suppose you know where RH writes panics
| to? i cant seem to find it.

The kernel should log the oops in /var/log/messages.

| when i look at the samba.log there is nothing untoward
|
| [2003/12/15 11:29:06, 1] smbd/service.c:make_connection(636)
|   m6-1 (172.16.175.10) connect to service dmn01 as user dmn01 (uid=1269,
| gid=102) (pid 18746)
| [2003/12/15 11:29:07, 0] lib/util_sock.c:read_data(436)
|   read_data: read failure for 4. Error = Connection reset by peer
| [2003/12/15 11:29:07, 1] smbd/service.c:close_cnum(677)
|   m5-3 (172.16.142.30) closed connection to service exams
| [2003/12/15 11:29:07, 1] smbd/service.c:close_cnum(677)
|   m5-3 (172.16.142.30) closed connection to service shared
...
|
| m6-8 (172.16.175.80) connect to service pn02 as user pn02
| (uid=2906, gid=102) (pid 19579)
| [2003/12/15 11:27:49, 1] smbd/service.c:make_connection(636)
|
| is the offending user/pid nothing untoward in his account or network
| traffic to or from his computer at the time.
|
| unfortunatly i was unaware of the slowdown/problems so i was unable to
| perform strace on the pid.
|
| im guessing it panics when the offending pid is left alone, and not kill
| -9 'd like i normally do.

We can't be blamed for a kernel oops.  If a user space app
can cause the kernel to die, then that's a kernel bug.
I would start pursuing this with RedHat (if you have support),
or logging it in bugzilla.redhat.com.





cheers, jerry
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