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    SubjectRe: 2.6.20->2.6.21 - networking dies after random time
    2007/8/7, Jarek Poplawski <jarkao2@o2.pl>:
    > And here is one more patch to test the same idea (chip->retrigger()).
    > Let's try i386 way! (I hope I will not be arrested for this...)
    > (Should be tested without any previous patches.)
    >
    > Jarek P.
    >
    > PS: as above
    >
    > ---
    >
    > diff -Nurp 2.6.22.1-/arch/x86_64/kernel/io_apic.c 2.6.22.1/arch/x86_64/kernel/io_apic.c
    > --- 2.6.22.1-/arch/x86_64/kernel/io_apic.c 2007-07-09 01:32:17.000000000 +0200
    > +++ 2.6.22.1/arch/x86_64/kernel/io_apic.c 2007-08-07 14:37:45.000000000 +0200
    > @@ -1311,15 +1311,8 @@ static unsigned int startup_ioapic_irq(u
    > static int ioapic_retrigger_irq(unsigned int irq)
    > {
    > struct irq_cfg *cfg = &irq_cfg[irq];
    > - cpumask_t mask;
    > - unsigned long flags;
    > -
    > - spin_lock_irqsave(&vector_lock, flags);
    > - cpus_clear(mask);
    > - cpu_set(first_cpu(cfg->domain), mask);
    >
    > - send_IPI_mask(mask, cfg->vector);
    > - spin_unlock_irqrestore(&vector_lock, flags);
    > + send_IPI_self(cfg->vector);
    >
    > return 1;
    > }
    >
    Network card timed out with this patch.

    Marcin
    -
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