Hi, just wanted to report, that I'm getting following trace on 4.0.4 kernel:
[ +0.301517] ------------[ cut here ]------------ [ +0.000227] WARNING: CPU: 0 PID: 0 at kernel/locking/mutex.c:877 mutex_trylock+0x15d/0x190() [ +0.000376] DEBUG_LOCKS_WARN_ON(in_interrupt()) [ +0.000072] Modules linked in: [ +0.000278] 8021q bridge stp llc bonding ipv6 ext3 jbd joydev usbhid vhost_net macvtap macvlan vhost tun kvm_intel kvm iTCO_wdt pcspkr sb_edac edac_core i2c_i801 sg lpc_i [ +0.005326] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.0.4lb6.00_01_PRE01 #1 [ +0.000226] Hardware name: Supermicro X10DRW/X10DRW-i, BIOS 1.0c 01/07/2015 [ +0.000224] 000000000000036d ffff88107fc03cf8 ffffffff814ab37b 000000000000036d [ +0.000619] ffff88107fc03d48 ffff88107fc03d38 ffffffff8104f715 ffff88107fc03e38 [ +0.000618] ffff8810316adbb0 ffff8810316adbb0 0000000000000002 0000000000000001 [ +0.000622] Call Trace: [ +0.000215] <IRQ> [<ffffffff814ab37b>] dump_stack+0x4f/0x74 [ +0.000351] [<ffffffff8104f715>] warn_slowpath_common+0x95/0xe0 [ +0.000224] [<ffffffff8104f816>] warn_slowpath_fmt+0x46/0x70 [ +0.000224] [<ffffffff814acd3d>] mutex_trylock+0x15d/0x190 [ +0.004247] [<ffffffffa055f7d7>] bnx2x_stats_handle+0x47/0x190 [bnx2x] [ +0.000230] [<ffffffffa051107d>] bnx2x_timer+0x19d/0x1b0 [bnx2x] [ +0.000228] [<ffffffffa0510ee0>] ? bnx2x_read_fwinfo+0x310/0x310 [bnx2x] [ +0.000229] [<ffffffff810ac747>] call_timer_fn+0x47/0x160 [ +0.000224] [<ffffffff810ad5b8>] run_timer_softirq+0x268/0x2d0 [ +0.000227] [<ffffffffa0510ee0>] ? bnx2x_read_fwinfo+0x310/0x310 [bnx2x] [ +0.000227] [<ffffffff81053963>] __do_softirq+0xf3/0x2d0 [ +0.000224] [<ffffffff81053bfe>] irq_exit+0x7e/0xa0 [ +0.000223] [<ffffffff814b344a>] smp_apic_timer_interrupt+0x4a/0x59 [ +0.000225] [<ffffffff814b191a>] apic_timer_interrupt+0x6a/0x70 [ +0.000223] <EOI> [<ffffffff813be6cc>] ? cpuidle_enter_state+0x7c/0x1b0 [ +0.000353] [<ffffffff813be6b5>] ? cpuidle_enter_state+0x65/0x1b0 [ +0.000224] [<ffffffff813be817>] cpuidle_enter+0x17/0x20 [ +0.000225] [<ffffffff81089599>] cpu_startup_entry+0x259/0x440 [ +0.000226] [<ffffffff814a35f3>] rest_init+0x83/0x90 [ +0.000223] [<ffffffff81ac318b>] start_kernel+0x3fd/0x40a [ +0.000223] [<ffffffff81ac2bac>] ? set_init_arg+0x5d/0x5d [ +0.000223] [<ffffffff81ac25ad>] x86_64_start_reservations+0x2a/0x2c [ +0.000225] [<ffffffff81ac26fb>] x86_64_start_kernel+0x14c/0x153 [ +0.000223] ---[ end trace 0f28c467beec99ef ]--- It's x86_64 4.0.4 kernel, running on supermicro X10DRW box. bnx devices are bonded in 802.3ad mode and bond device is member of bridge.. If I could provide more information, or perform some debugging, please let me know, I'll have those boxed for few more days for testing here. BR nik -- ------------------------------------- Ing. Nikola CIPRICH LinuxBox.cz, s.r.o. 28.rijna 168, 709 00 Ostrava tel.: +420 591 166 214 fax: +420 596 621 273 mobil: +420 777 093 799 www.linuxbox.cz mobil servis: +420 737 238 656 email servis: ser...@linuxbox.cz -------------------------------------
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