With the new kernel (kernel-2.6.24.3-12.fc8) I can't use my network card anymore, I get the message: NETDEV WATCHDOG: eth0: transmit timed out with the old kernel (kernel-2.6.23.15-137.fc8) it works without any problems (I switched betweens the kernels after a reboot). I tried some kernel options like noacpi, noapic and a few others but nothings changed the result, the network card doesn't work, so I replaced the card with another card (different chipset) and the "new" card works with the new kernel. This is the the card which _doesn't work_ with kernel-2.6.24.3-12.fc8 (kernel module is 'r8169'): 00:0b.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8169 Gigabit Ethernet (rev 10) and this is the card which works (kernel module 'tulip'): 00:07.0 Ethernet controller: Lite-On Communications Inc LNE100TX (rev 20). I found this old kernel bug http://bugzilla.kernel.org/show_bug.cgi?id=6138 but I don't know if the bug is related to this problem.
Same problem with Fedora 9 and kernel-2.6.25.3-18.fc9.
Can you see if this is a duplicate of Bug #444966? Try for instance "rmmod r8169; modprobe r8169" and see if this brings the network up.
Is this fixed in 2.6.26.3-29?
I see one with 2.6.26.5-28.fc8 on x86_64 (although only as a warning and this time it recovered): Call Trace: <IRQ> [<ffffffff810364d8>] warn_on_slowpath+0x60/0x8e [<ffffffff8103f8a0>] ? __mod_timer+0xc1/0xd3 [<ffffffff8104647f>] ? queue_delayed_work_on+0xc3/0xd6 [<ffffffff8122ad02>] ? dev_watchdog+0x0/0x116 [<ffffffff810464ce>] ? queue_delayed_work+0x21/0x23 [<ffffffff810464e9>] ? schedule_delayed_work+0x19/0x1b [<ffffffffa00e20d2>] ? :r8169:rtl8169_schedule_work+0x23/0x25 [<ffffffff8122adb8>] dev_watchdog+0xb6/0x116 [<ffffffff8103f16b>] run_timer_softirq+0x173/0x1ef [<ffffffff8103b2ab>] __do_softirq+0x5e/0xd5 [<ffffffff8100d4fc>] call_softirq+0x1c/0x28 [<ffffffff8100ed0e>] do_softirq+0x44/0x8b [<ffffffff8103b20c>] irq_exit+0x3f/0x80 [<ffffffff8101b09e>] smp_apic_timer_interrupt+0x8d/0xa6 [<ffffffff8100b1a6>] ? default_idle+0x0/0x4e [<ffffffff8100cf22>] apic_timer_interrupt+0x72/0x80 <EOI> [<ffffffff81020488>] ? native_safe_halt+0x6/0x8 [<ffffffff8129adcf>] ? atomic_notifier_call_chain+0xf/0x11 [<ffffffff8100b1d4>] ? default_idle+0x2e/0x4e [<ffffffff8100ad46>] ? cpu_idle+0x91/0xbb [<ffffffff81292873>] ? start_secondary+0x168/0x16c ---[ end trace 55e53d9768d67aa3 ]--- "rmmod r8169; modprobe r8169" is not an option as this machine is remote for me and last night it just dropped from the network, without any leftover traces in logs, until somebody rebooted it today.
I tried it today with the kernel 2.6.27.5-41.fc9.x86_64 and the problem still exists but when I do a "rmmod r8169; modprobe r8169" the network comes up... of course this is not a solution but at least it's different behaviour than before :-)... so I guess the bug could be related to the Bug #444966...
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