PREEMPT_RT with e1000

From: Daniel Walker (dwalker_at_mvista.com)
Date: 08/31/05

  • Next message: Nishanth Aravamudan: "[PATCH][Bug 5132] fix sys_poll() large timeout handling" 
    To: mingo@elte.hu
Date:	Wed, 31 Aug 2005 13:03:22 -0700

    It looks like Gigabit Ethernet is still having some problems. This is
    with the e1000 driver. If I remove all the qdisc_restart changes it
    starts to work the warning below goes away, but it has smp_processor_id
    warnings.

    Daniel

    BUG: softirq-net-tx/:5, possible softlockup detected on CPU#0!

    Call Trace: <IRQ> <ffffffff8015b92a>{softlockup_detected+56} <ffffffff8015b9d7>{softlockup_tick+164}
           <ffffffff80119a4b>{smp_apic_timer_interrupt+55} <ffffffff8010e6a4>{apic_timer_interrupt+132}
            <EOI> <ffffffff80516f9b>{__down_mutex+694} <ffffffff80482e4d>{qdisc_restart+369}
           <ffffffff80476198>{net_tx_action+200} <ffffffff8013a802>{ksoftirqd+231}
           <ffffffff8013a71b>{ksoftirqd+0} <ffffffff8014a769>{kthread+218}
           <ffffffff8010e9f6>{child_rip+8} <ffffffff8014a68f>{kthread+0}
           <ffffffff8010e9ee>{child_rip+0}
    ---------------------------
    | preempt count: 00010000 ]
    | 0-level deep critical section nesting:
    ----------------------------------------

    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

  • Next message: Nishanth Aravamudan: "[PATCH][Bug 5132] fix sys_poll() large timeout handling"

    Relevant Pages