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    SubjectRe: Linux 3.0 release
    On 07/22/2011 12:21 PM, Linus Torvalds wrote:
    > On Fri, Jul 22, 2011 at 12:11 PM, David<david@unsolicited.net> wrote:
    >>
    >> I'm getting the following warning at boot from 3.0, everything seems to be fine otherwise though.
    >>
    >> Jul 22 19:40:02 server kernel: [ 15.526629] ------------[ cut here ]------------
    >> Jul 22 19:40:02 server kernel: [ 15.526635] WARNING: at kernel/timer.c:1011 del_timer_sync+0x4e/0x50()
    >
    > Hmm. That looks like a real bug: you shouldn't do a "del_timer_sync()"
    > from an interrupt. It probably works, but it sounds like a really bad
    > idea.
    >
    >> Jul 22 19:40:02 server kernel: [ 15.526677] [<ffffffff81054b4e>] del_timer_sync+0x4e/0x50
    >> Jul 22 19:40:02 server kernel: [ 15.526679] [<ffffffff8145e224>] linkwatch_schedule_work+0x84/0xa0
    >> Jul 22 19:40:02 server kernel: [ 15.526681] [<ffffffff8145e2bc>] linkwatch_fire_event+0x7c/0x100
    >> Jul 22 19:40:02 server kernel: [ 15.526684] [<ffffffff8146b1ed>] netif_carrier_on+0x2d/0x40
    >> Jul 22 19:40:02 server kernel: [ 15.526689] [<ffffffffa006b6fb>] __rtl8169_check_link_status+0x4b/0xc0 [r8169]
    >> Jul 22 19:40:02 server kernel: [ 15.526693] [<ffffffffa006c016>] rtl8169_interrupt+0x166/0x3a0 [r8169]
    >> Jul 22 19:40:02 server kernel: [ 15.526696] [<ffffffff810a4385>] handle_irq_event_percpu+0x55/0x1f0
    >> Jul 22 19:40:02 server kernel: [ 15.526698] [<ffffffff810a4551>] handle_irq_event+0x31/0x50
    >
    > I'm not seeing a lot of changes in any of these areas, though. I
    > wonder what made it start happen.

    This has been around since at least 2.6.38. I haven't tested recently
    on my rtl8169 system, but I don't recall seeing any attempts to fix
    it...

    http://permalink.gmane.org/gmane.linux.network/193565
    http://lists.openwall.net/netdev/2011/05/04/183

    Thanks,
    Ben


    --
    Ben Greear <greearb@candelatech.com>
    Candela Technologies Inc http://www.candelatech.com



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