Hi, I'm having some trouble with the 2.6.21 -rt series on my single processor machine: APIC error on CPU0: 01(01) [<a010ce5b>] smp_error_interrupt+0x5b/0x70 [<a01034f8>] error_interrupt+0x28/0x30 [<a024ca38>] iowrite16+0x28/0x30 [<a02c7ecf>] rhine_interrupt+0x6f/0xb20 [<a039d553>] __sched_text_start+0x303/0x800 [<a013f37c>] handle_IRQ_event+0x5c/0xe0 [<a013f8c9>] thread_simple_irq+0x59/0x90 [<a013febb>] do_irqd+0x25b/0x2e0 [<a013fc60>] do_irqd+0x0/0x2e0 [<a012e538>] kthread+0xa8/0xe0 [<a012e490>] kthread+0x0/0xe0 [<a010361b>] kernel_thread_helper+0x7/0x1c ======================= This looks like it has to do with my onbaord VIA Rhine VT6102 ethernet controller. After two or three of these errors, the network performance decreases massively. On vanilla 2.6.22-rc series I also get a lot of APIC errors, but they show no trace at all. The kernel is compiled without SMP support. Any idea for a fix? Thanks, Thomas
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