Hello
Summary:
alpha cpu 64 Bit
kernel-2.6.10: ok
kernel-2.6.13-2.6.15: problem
eth0: 3Com Corporation 3C905B Fast Etherlink XL 10/100
Kernel crash, reboot problem due to kernel-log-buffer flooted with message.
No problem on x86 with same network card.
Kernel not stable on alpha cpu!
With hardreset (power-off) everything is ok, until the next time.
Detail:
kernel-2.6.15: Kernel crashs after 5-15days, no message is logged in syslog (klogd -2 -p -c 3).
Autoreboot after crash is active and when the kernel boots again, the syslog
is flooted with the messages:
kernel: eth0: Host error, FIFO diagnostic register 0000.
kernel: eth0: PCI bus error, bus status 40000020
kernel: eth0: Host error, FIFO diagnostic register 0000.
kernel: eth0: PCI bus error, bus status 40000020
kernel: eth0: Host error, FIFO diagnostic register 0000.
kernel: eth0: PCI bus error, bus status 40000020
kernel: eth0: Host error, FIFO diagnostic register 0000.
kernel: eth0: PCI bus error, bus status 40000020
kernel: eth0: Host error, FIFO diagnostic register 0000.
[..]
About 20 lines per second! -> BTW: Why this is not catched from klogd/syslogd to one entry per second?
The text is in "drivers/net/3c59x.c line 2149 (2.6.15):
3c59x.c:2149: printk(KERN_ERR "%s: Host error, FIFO diagnostic register %4.4x.\n",
A diff between 2.6.10 and 2.6.15 3c59x.c shows a lot of lines changed, and the i/o calls like "inw" changed to
"ioread16" aso - maybe this is a probem.
00:09.0 Ethernet controller: 3Com Corporation 3c905B 100BaseTX [Cyclone] (rev 30)
Subsystem: 3Com Corporation 3C905B Fast Etherlink XL 10/100
Flags: bus master, medium devsel, latency 32, IRQ 24
I/O ports at 8c00 [size=128]
Memory at 000000000a064000 (32-bit, non-prefetchable) [size=128]
Expansion ROM at 000000000a020000 [disabled] [size=128K]
Capabilities: [dc] Power Management version 1
Regards
Thomas
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