Stale TCP connections with tg3 on Red Hat Enterprise Linux 6
Issue
- Stale TCP connections
- Connection are being reset unexpectedly
- SSH disconnect just after login
- Page allocation failure messages seen in
/var/log/messages:
Jan 9 06:36:35 xxxxxxx kernel: swapper: page allocation failure. order:4, mode:0x20
Jan 9 06:36:35 xxxxxxx kernel: Pid: 0, comm: swapper Not tainted 2.6.32-358.14.1.el6.x86_64 #1
Environment
- Red Hat Enterprise Linux 6
- Broadcom tg3 NIC driver <= 3.132 (3.132 tg3 driver is included in RHEL 6 update 5)
- GSO/TSO on
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