Hi.
I keep getting network freezes on 2.3.x kernels. I have a pcmcia
3Com 3CXE589DC card and a Dell Latitude. In the logs i get loads of
"dst cache overflow" messages. What happens is that any existing
connection ie. IRC. will continue to work, but I can't open a
web page etc. fetchmail seemed to work though.
from the logs:
Dec 19 15:16:17 km-lt kernel: dst cache overflow
Dec 19 15:16:22 km-lt kernel: dst cache overflow
Dec 19 15:16:30 km-lt kernel: NET: 3 messages suppressed.
Trying to telnet to a host:
telnet: Unable to connect to remote host: No buffer space available
The same goes for ssh.
Also in the logs I see:
Dec 16 11:20:43 km-lt kernel: KERNEL: assertion (dst!=NULL)
failed at tcp_output.c(96):tcp_advertise_mss
These do not show up regularly.
messages:Dec 19 14:40:20 km-lt kernel: spurious 8259A
interrupt: IRQ7.
This one is more frequent.
I use the machine both at work and at home so I reconfigure the
networking (default gw and ip address) a few times a day using
netcfg from RH Linux. This is Red Hat Linux 6.1 with 2.3.33.
The same error in 2.3.28-33.
I'll be glad to give more information if needed.
Output from 'lspci':
[root@km-lt /proc]# lspci
00:00.0 Host bridge: Intel Corporation 440BX/ZX - 82443BX/ZX Host bridge
(rev 03)
00:01.0 PCI bridge: Intel Corporation 440BX/ZX - 82443BX/ZX AGP bridge
(rev 03)
00:03.0 CardBus bridge: Texas Instruments: Unknown device ac1c (rev 01)
00:03.1 CardBus bridge: Texas Instruments: Unknown device ac1c (rev 01)
00:07.0 Bridge: Intel Corporation 82371AB PIIX4 ISA (rev 02)
00:07.1 IDE interface: Intel Corporation 82371AB PIIX4 IDE (rev 01)
00:07.2 USB Controller: Intel Corporation 82371AB PIIX4 USB (rev 01)
00:07.3 Bridge: Intel Corporation 82371AB PIIX4 ACPI (rev 02)
01:00.0 VGA compatible controller: Neomagic Corporation [MagicGraph
256AV] (rev 20)
01:00.1 Multimedia audio controller: Neomagic Corporation: Unknown
device 8005 (rev 20)
There is also a message about mismatching versions of the pcmcia
cardmanager. Could this be the cause of the hangs?
Cheers
Kjartan Maraas
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