Re: [Xen-devel] [RFC PATCH V4 02/13] netback: add module unload function.

[Eric Dumazet <eric.dumazet@xxxxxxxxx>]

Le jeudi 02 fÃvrier 2012 Ã 21:34 +0100, Eric Dumazet a Ãcrit :

> That sounds a right fix.
> 
> Why do think its not reasonable that I ask a bug fix ?
> 
> Next time, dont bother send patches for review if you dont want
> reviewers.

FYI, here the trace you can get right now with this bug :

[ 1180.114682] WARNING: at arch/x86/kernel/smp.c:120 
native_smp_send_reschedule+0x5b/0x60()
[ 1180.114685] Hardware name: ProLiant BL460c G6
[ 1180.114686] Modules linked in: ipmi_devintf nfsd exportfs ipmi_si hpilo 
bnx2x crc32c libcrc32c mdio [last unloaded: scsi_wait_scan]
[ 1180.114697] Pid: 7, comm: migration/1 Not tainted 3.3.0-rc2+ #609
[ 1180.114699] Call Trace:
[ 1180.114701]  <IRQ>  [<ffffffff81037adf>] warn_slowpath_common+0x7f/0xc0
[ 1180.114708]  [<ffffffff81037b3a>] warn_slowpath_null+0x1a/0x20
[ 1180.114711]  [<ffffffff8101ecfb>] native_smp_send_reschedule+0x5b/0x60
[ 1180.114715]  [<ffffffff810744ec>] trigger_load_balance+0x28c/0x370
[ 1180.114720]  [<ffffffff8106be14>] scheduler_tick+0x114/0x160
[ 1180.114724]  [<ffffffff8104956e>] update_process_times+0x6e/0x90
[ 1180.114729]  [<ffffffff8108c614>] tick_sched_timer+0x64/0xc0
[ 1180.114733]  [<ffffffff8105fe54>] __run_hrtimer+0x84/0x1f0
[ 1180.114736]  [<ffffffff8108c5b0>] ? tick_nohz_handler+0xf0/0xf0
[ 1180.114739]  [<ffffffff8103f271>] ? __do_softirq+0x101/0x240
[ 1180.114742]  [<ffffffff81060783>] hrtimer_interrupt+0xf3/0x220
[ 1180.114747]  [<ffffffff810a90b0>] ? queue_stop_cpus_work+0x100/0x100
[ 1180.114751]  [<ffffffff8171ee09>] smp_apic_timer_interrupt+0x69/0x99
[ 1180.114754]  [<ffffffff8171dd4b>] apic_timer_interrupt+0x6b/0x70
[ 1180.114756]  <EOI>  [<ffffffff810a9143>] ? stop_machine_cpu_stop+0x93/0xc0
[ 1180.114761]  [<ffffffff810a8da7>] cpu_stopper_thread+0xd7/0x1a0
[ 1180.114766]  [<ffffffff81713dc7>] ? __schedule+0x3a7/0x7e0
[ 1180.114768]  [<ffffffff81064058>] ? __wake_up_common+0x58/0x90
[ 1180.114771]  [<ffffffff810a8cd0>] ? cpu_stop_signal_done+0x40/0x40
[ 1180.114773]  [<ffffffff8105b5c3>] kthread+0x93/0xa0
[ 1180.114776]  [<ffffffff8171e594>] kernel_thread_helper+0x4/0x10
[ 1180.114779]  [<ffffffff8105b530>] ? kthread_freezable_should_stop+0x80/0x80
[ 1180.114781]  [<ffffffff8171e590>] ? gs_change+0xb/0xb



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