Apparently the local loopback interface was causing this problem,
apparently in RedHat 6 the lo interface does not come up by default,
running 'ifup lo' fixed the problem and everything works fine.
Trey Hardin
Trey Hardin wrote:
> This problem occurs in the default RedHat6 kernel, the updated RedHat6
> kernel,
> the vanilla 2.2.9 and 2.2.7-ac1, 2.2.7-ac4
>
> Here is the issure I am having, whenever the i do a smbclient -L
> hostname for this particular server I get the following message in the
> logs:
>
> open_oplock_ipc: Failed to get local UDP socket for address 100007f.
> Error was Cannot assign requested address
>
> that is from the smb.log that gets repeated mulitple times after a few
> seconds i get this message in the nmb.log:
>
> [1999/06/08 16:02:39, 0] libsmb/nmblib.c:send_udp(725)
> Packet send failed to 0.0.0.0(138) ERRNO=No buffer space available
>
> I also see this in the boot messages when samba starts:
> kernel: neighbour table overflow
>
> also if I try to ping the address of the host i get these error
> messages:
>
> ping: sendto: No buffer space available
> ping: wrote 192.168.0.1 64 chars, ret=-1
>
> another symptom i belive is that when i am at home connected to the
> internet by ppp, i can ssh/telnet into this box, but if i do an 'ls'
> the Xterm just freezes, i do a netstat on the machine i'm ssh'd into and
> it shows lots of packets in the send-Q
> and my machine at home show packets in the Recv-Q, but the output never
> gets displayed, this problem does not show itself if i go into the
> machine from another computer on the lan. Also apache will stall across
> the ppp connection but not the lan connection.
>
> I added the /dev/pts entry into /etc/fstab as I was getting error
> messages about no buffer space available when i tried to ssh/telnet into
> the box, Is there another device entry I am missing?? Is their some
> sort of kernel tuning i am not aware of?? These problems seem to
> manifest after the upgrade to RedHat6 but they did not seem to manifest
> themselves immediately.
>
> I am running alot of network services on this machine,
> X,ssh,apache,ftp,samba.
>
> Any assistance is appreciated, I would gladly provide more detailed
> info, I'm just not sure what to provide.
>
> Trey Hardin
>
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