[Samba] smbd hung processes - Samba 3.0.7

Gerald (Jerry) Carter jerry at samba.org
Wed Dec 8 16:04:09 GMT 2004

Hash: SHA1

john.debella at teradyne.com wrote:

| We have upgraded to the 3.0.7-1.3E.1 RH Samba update
| and this problem  still occurs. Has anyone else experienced
| this or does anyone have any ideas on what's causing this?
| -John
| john.nelson at teradyne.com wrote:
|> We've seen Samba crash and burn twice in the last 48 hours
|> - it just started happening, and we have no idea what
|> might be causing it.  I'm hoping that someone will
|> recognize this problem.

Are you reexporting NFS shares by chance?

|> in the middle that are not in the smbstatus report.
|> What we THINK is happening is that the smbd processes
|> begin to hang, the clients time out,

A good theory (which would be true if re-exporting NFS
shares and the NFS server got stuck).

|>   # strace -p 20403
|>   Process 20403 attached - interrupt to quit
|>   fcntl64(13, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=280,
|>    <unfinished ...>

look in /proc/<pid/fd and see what file fd 13 is.

cheers, jerry
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