[544925.596776] BUG: spinlock bad magic on CPU#3,
 pclient/21148
<Oct/12 01:21 pm>[544925.596776]  lock: ffffffff8081a288, .magic: deaf4ead, .own
er: <none>/-1, .owner_cpu: -1
<Oct/12 01:21 pm>[544925.596776] Pid: 21148, comm: pclient Not tainted 2.6.28-rc
7-00105-gfeaf384 #4
<Oct/12 01:21 pm>[544925.596776] Call Trace:
<Oct/12 01:21 pm>[544925.596776]  <IRQ>  [<ffffffff803a0f66>] _raw_spin_lock+0x2
2/0x122
<Oct/12 01:21 pm>[544925.596776]  [<ffffffff80255114>] tick_do_update_jiffies64+
0x27/0xa7
<Oct/12 01:21 pm>[544925.596776]  [<ffffffff802551de>] tick_sched_timer+0x4a/0x9
c
<Oct/12 01:21 pm>[544925.596776]  [<ffffffff80255194>] tick_sched_timer+0x0/0x9c
<Oct/12 01:21 pm>[544925.596776]  [<ffffffff8024e508>] __run_hrtimer+0x59/0x95
<Oct/12 01:21 pm>[544925.596776]  [<ffffffff8024ed6d>] hrtimer_interrupt+0xe1/0x
15b
<Oct/12 01:21 pm>[544925.596776]  [<ffffffff8021e668>] smp_apic_timer_interrupt+
0x8e/0xac

<Oct/12 01:21 pm>[544925.596776]  [<ffffffff8020cacb>] apic_timer_interrupt+0x6b
/0x70
<Oct/12 01:21 pm>[544925.596776]  <EOI> <0>general protection fault: 0000 [#1] S
MP 
<Oct/12 01:21 pm>[544925.918846] last sysfs file: /sys/devices/system/cpu/sched_
mc_power_savings
<Oct/12 01:21 pm>[544925.918846] CPU 3 
<Oct/12 01:21 pm>[544925.918846] Modules linked in: w83627hf hwmon_vid autofs4 s
msc37b787_wdt forcedeth k8temp i2c_nforce2 i2c_core tg3 libphy e1000 xfs dm_snap
shot dm_mirror dm_region_hash dm_log aacraid 3w_9xxx 3w_xxxx atp870u arcmsr aic7
xxx scsi_wait_scan
<Oct/12 01:21 pm>[544925.918846] Pid: 0, comm: swapper Not tainted 2.6.28-rc7-00
105-gfeaf384 #4
<Oct/12 01:21 pm>[544925.918846] RIP: 0010:[<ffffffffa0178dba>]  [<ffffffffa0178
dba>] nv_rx_process_optimized+0xff/0x20f [forcedeth]
<Oct/12 01:21 pm>[544925.918846] RSP: 0000:ffff88012fac7998  EFLAGS: 00010002
<Oct/12 01:21 pm>[544925.918846] RAX: 0000000014000000 RBX: fff088021a560100 RCX
: 0000000000000002
<Oct/12 01:21 pm>[544925.918846] RDX: 0000000020000001 RSI: 0000000000000670 RDI
: 000000022e9bd010
<Oct/12 01:21 pm>[544925.918846] RBP: ffff88012dd74900 R08: 0000000000000001 R09
: 0000000000000001
<Oct/12 01:21 pm>[544925.918846] R10: 0000000000000000 R11: ffffffffa017ad2c R12
: 00000000000005ea
<Oct/12 01:21 pm>[544925.918846] R13: 00000000340205ea R14: ffff88012dd74000 R15
: 0000000000000000
<Oct/12 01:21 pm>[544925.918846] FS:  00007f8aebd226f0(0000) GS:ffff88022fa0d780
(0000) knlGS:0000000000000000
<Oct/12 01:21 pm>[544925.918846] CS:  0010 DS: 0018 ES: 0018 CR0: 00000000800500
3b
<Oct/12 01:21 pm>[544925.918846] CR2: 00007f8aeb922688 CR3: 000000016d32b000 CR4
: 00000000000006e0
<Oct/12 01:21 pm>[544925.918846] DR0: 0000000000000000 DR1: 0000000000000000 DR2
: 0000000000000000
<Oct/12 01:21 pm>[544925.918846] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7
: 0000000000000400
<Oct/12 01:21 pm>[544925.918846] Process swapper (pid: 0, threadinfo ffff88022fa
84000, task ffff88012fac8000)
<Oct/12 01:21 pm>[544925.918846] Stack:
<Oct/12 01:21 pm>[544925.918846]  000000402dd74900 ffff88012dd74900 ffffc200020b
2000 0000000000000012
<Oct/12 01:21 pm>[544925.918846]  ffff88012dd74000 0000000000000000 ffff88016d646524 ffffffffa017907b

<Oct/12 01:21 pm>[544925.918846]  ffff880224961580 0000000000000000 000000000000
0000 0000000000000011
<Oct/12 01:21 pm>[544925.918846] Call Trace:
<Oct/12 01:21 pm>[544925.918846]  <IRQ> <0> [<ffffffffa017907b>] ? nv_nic_irq_op
timized+0x95/0x232 [forcedeth]
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff80277305>] ? handle_IRQ_event+0x1e/0
x4c
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff80278cbb>] ? handle_fasteoi_irq+0x90
/0xcf
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff8020e15b>] ? do_IRQ+0xf7/0x16c
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff8020c2f6>] ? ret_from_intr+0x0/0xa
<Oct/12 01:21 pm>[544925.918846]  [<ffffffffa017ad2c>] ? nv_start_xmit_optimized
+0x0/0x50b [forcedeth]
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff8050fdef>] ? skb_copy_bits+0x51/0x1f
c
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff80589c32>] ? xdr_skb_read_bits+0x28/
0x3e
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff80589a8e>] ? xdr_partial_copy_from_s
kb+0x14e/0x1b8
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff80589c0a>] ? xdr_skb_read_bits+0x0/0
x3e
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff8058b357>] ? xs_tcp_data_recv+0x290/
0x442
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff80532552>] ? ip_queue_xmit+0x29f/0x2
f2
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff8053746e>] ? tcp_read_sock+0x97/0x21
1
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff8058b0c7>] ? xs_tcp_data_recv+0x0/0x
442
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff8058bbd5>] ? xs_tcp_data_ready+0x64/
0x77
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff80540998>] ? tcp_rcv_established+0x5
f1/0x761
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff80545c7b>] ? tcp_v4_do_rcv+0x2c/0x1b
7
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff80547501>] ? tcp_v4_rcv+0x28e/0x68d
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff805478ad>] ? tcp_v4_rcv+0x63a/0x68d
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff8052e344>] ? ip_local_deliver+0xcb/0
x164

<Oct/12 01:21 pm>[544925.918846]  [<ffffffff8052e2d4>] ? ip_local_deliver+0x5b/0
x164
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff8052e8d7>] ? ip_rcv+0x4fa/0x54f
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff805164df>] ? netif_receive_skb+0x252
/0x29b
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff80516397>] ? netif_receive_skb+0x10a
/0x29b
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff80518c1e>] ? process_backlog+0x71/0x
be
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff8051870b>] ? net_rx_action+0xc5/0x1f
b
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff8051869d>] ? net_rx_action+0x57/0x1f
b
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff8023e144>] ? __do_softirq+0x7a/0x13d
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff8020d07c>] ? call_softirq+0x1c/0x28
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff8020e028>] ? do_softirq+0x2c/0x68
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff8023e084>] ? irq_exit+0x3f/0x85
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff8020e1ae>] ? do_IRQ+0x14a/0x16c
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff8020c2f6>] ? ret_from_intr+0x0/0xa
<Oct/12 01:21 pm>[544925.918846]  <EOI> <0> [<ffffffff80212496>] ? c1e_idle+0x0/
0xe9
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff805b9df2>] ? __atomic_notifier_call_
chain+0x0/0x83
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff8021237c>] ? default_idle+0x27/0x3b
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff8021257b>] ? c1e_idle+0xe5/0xe9
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff8020ac41>] ? cpu_idle+0x4a/0x6d
                 <Oct/12 01:21 pm>[544925.918846] Code: 00 00 00 41 f7 c5 00 00 
00 02 74 03 41 ff cc 44 89 e8 25 00 00 00 1c 3d 00 00 00 14 0f 94 c2 3d 00 00 00 18 0f 94 c0 08 c2 74 0c <8a> 43 7c 83 e0 f3 83 c8 04 88 43 7c 44 89 e6 48 89 df
 e8 7d 79 
<Oct/12 01:21 pm>[544925.918846] RIP  [<ffffffffa0178dba>] nv_rx_process_optimiz
ed+0xff/0x20f [forcedeth]
<Oct/12 01:21 pm>[544925.918846]  RSP <ffff88012fac7998>
<Oct/12 01:21 pm>[544925.918846] Kernel panic - not syncing: Fatal exception in 
interrupt

<Oct/12 01:21 pm>[544925.918846] ------------[ cut here ]------------
<Oct/12 01:21 pm>[544925.918846] WARNING: at kernel/smp.c:333 smp_call_function_
mask+0x37/0x1d7()
<Oct/12 01:21 pm>[544925.918846] Modules linked in: w83627hf hwmon_vid autofs4 s
msc37b787_wdt forcedeth k8temp i2c_nforce2 i2c_core tg3 libphy e1000 xfs dm_snap
shot dm_mirror dm_region_hash dm_log aacraid 3w_9xxx 3w_xxxx atp870u arcmsr aic7
xxx scsi_wait_scan
<Oct/12 01:21 pm>[544925.918846] Pid: 0, comm: swapper Tainted: G      D    2.6.
28-rc7-00105-gfeaf384 #4
<Oct/12 01:21 pm>[544925.918846] Call Trace:
<Oct/12 01:21 pm>[544925.918846]  <IRQ>  [<ffffffff802397db>] warn_on_slowpath+0
x51/0x6d
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff80239d00>] try_acquire_console_sem+0
x12/0x31
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff80239ea9>] release_console_sem+0x18a
/0x1a5
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff8025bc31>] smp_call_function_mask+0x
37/0x1d7
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff80264013>] crash_kexec+0x17/0xef
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff802640e2>] crash_kexec+0xe6/0xef
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff8021d53e>] native_smp_send_stop+0x1a
/0x26
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff80239896>] panic+0x95/0x13f
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff803af923>] vgacon_set_cursor_size+0x
40/0x10b
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff805b83ed>] oops_end+0x7b/0x88
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff805b795d>] error_exit+0x0/0x9a
<Oct/12 01:21 pm>[544925.918846]  [<ffffffffa017ad2c>] nv_start_xmit_optimized+0
x0/0x50b [forcedeth]
<Oct/12 01:21 pm>[544925.918846]  [<ffffffffa0178dba>] nv_rx_process_optimized+0
xff/0x20f [forcedeth]
<Oct/12 01:21 pm>[544925.918846]  [<ffffffffa0178d29>] nv_rx_process_optimized+0
x6e/0x20f [forcedeth]
<Oct/12 01:21 pm>[544925.918846]  [<ffffffffa017907b>] nv_nic_irq_optimized+0x95
/0x232 [forcedeth]
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff80277305>] handle_IRQ_event+0x1e/0x4
c
<Oct/12 01:21 pm>[544925.918846]  [<ffffffff80278cbb>] handle_fasteoi_irq+0x90/0
xcf