netdev - xgbe unbalanced enable for IRQ XX in 4.11-rc1

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Message-ID: <41df0f3a-5867-b0d5-a7f9-14b66eaff7a2@arm.com>
Date:   Thu, 9 Mar 2017 15:26:14 -0600
From:   Jeremy Linton <jeremy.linton@....com>
To:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Tom Lendacky <thomas.lendacky@....com>
Subject: xgbe unbalanced enable for IRQ XX in 4.11-rc1

Hi,

I have a softiron 3k and under network load (nfs copies, vnc with gnome, 
etc) it is now throwing these messages as fast as the console will 
accept them. This is booted DT mode.


[  430.111324] Unbalanced enable for IRQ 33
[  430.115239] ------------[ cut here ]------------
[  430.119849] WARNING: CPU: 0 PID: 6 at kernel/irq/manage.c:529 
__enable_irq+0x7c/0x88
[  430.127583] Modules linked in: fuse xt_CHECKSUM ipt_MASQUERADE 
nf_nat_masquerade_ipv4 tun ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 
xt_conntrack ip_set nfnetlink ebtable_nat ebtable_broute bridge stp llc 
ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 
ip6table_mangle ip6table_raw ip6table_security iptable_nat 
nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack 
iptable_mangle iptable_raw iptable_security ebtable_filter ebtables 
ip6table_filter ip6_tables vfat fat crc32_ce crct10dif_ce amd_xgbe 
ghash_ce ptp pps_core spi_pl022 ipmi_si i2c_designware_platform 
ipmi_devintf i2c_designware_core ccp ipmi_msghandler nfsd auth_rpcgss 
nfs_acl lockd grace sunrpc xfs libcrc32c
[  430.188350]
[  430.189833] CPU: 0 PID: 6 Comm: ksoftirqd/0 Tainted: G        W I 
4.11.0-0.rc1.git0.1.fc27.aarch64 #1
[  430.199391] Hardware name: AMD Overdrive/Supercharger/Default string, 
BIOS ROD1002C 04/08/2016
[  430.207994] task: ffff8003e4057900 task.stack: ffff8003f4590000
[  430.213904] PC is at __enable_irq+0x7c/0x88
[  430.218078] LR is at __enable_irq+0x7c/0x88
[  430.222252] pc : [<ffff000008137b14>] lr : [<ffff000008137b14>] 
pstate: 000001c5
[  430.229639] sp : ffff8003f4593c50
[  430.232944] x29: ffff8003f4593c50 x28: ffff8003dfeddce0
[  430.238248] x27: 0000000000000002 x26: 0000000000000001
[  430.243551] x25: 0000000000000040 x24: 00008003f60a0000
[  430.248855] x23: ffff8003d5d0a900 x22: 0000000000000040
[  430.254158] x21: 0000000000000001 x20: 0000000000000021
[  430.259462] x19: ffff8003dc507200 x18: 0000000000000000
[  430.264765] x17: 0000000000000000 x16: 0000000000000000
[  430.270069] x15: 0000000000000010 x14: ffff000089005e7f
[  430.275372] x13: ffff000009005e8d x12: ffff000008e8d000
[  430.280676] x11: ffff000008e65458 x10: ffff0000085adce8
[  430.285979] x9 : 00000000ffffffd0 x8 : 0000000000000005
[  430.291283] x7 : 636e616c61626e55 x6 : ffff8003fee74d98
[  430.296586] x5 : ffff8003fee74d98 x4 : 0000000000000000
[  430.301890] x3 : ffff8003fee88730 x2 : ffff8003fee74d98
[  430.307193] x1 : 00008003f60a0000 x0 : 000000000000001c
[  430.312496]
[  430.313978] ---[ end trace 5664787410723389 ]---
[  430.318586] Call trace:
[  430.321023] Exception stack(0xffff8003f4593a80 to 0xffff8003f4593bb0)
[  430.327454] 3a80: ffff8003dc507200 0001000000000000 ffff8003f4593c50 
ffff000008137b14
[  430.335277] 3aa0: ffff8003f4593c50 ffff8003f4593c50 ffff8003f4593c10 
00000000ffffffc8
[  430.343099] 3ac0: ffff8003f4593b00 ffff000008134838 ffff000008b7a570 
ffff8003f4593bd0
[  430.350921] 3ae0: ffff8003f4593c50 ffff8003f4593c50 ffff8003f4593c10 
00000000ffffffc8
[  430.358743] 3b00: ffff8003f4593bb0 ffff0000081f8130 0000000000000001 
0000000000000021
[  430.366566] 3b20: 000000000000001c 00008003f60a0000 ffff8003fee74d98 
ffff8003fee88730
[  430.374388] 3b40: 0000000000000000 ffff8003fee74d98 ffff8003fee74d98 
636e616c61626e55
[  430.382210] 3b60: 0000000000000005 00000000ffffffd0 ffff0000085adce8 
ffff000008e65458
[  430.390033] 3b80: ffff000008e8d000 ffff000009005e8d ffff000089005e7f 
0000000000000010
[  430.397854] 3ba0: 0000000000000000 0000000000000000
[  430.402723] [<ffff000008137b14>] __enable_irq+0x7c/0x88
[  430.407939] [<ffff000008137b60>] enable_irq+0x40/0x78
[  430.412999] [<ffff0000019a40c8>] xgbe_one_poll+0xc0/0xe8 [amd_xgbe]
[  430.419257] [<ffff0000087c1840>] net_rx_action+0x150/0x3c8
[  430.424734] [<ffff0000080d2530>] __do_softirq+0x138/0x358
[  430.430123] [<ffff0000080d279c>] run_ksoftirqd+0x4c/0x78
[  430.435426] [<ffff0000080f2a7c>] smpboot_thread_fn+0x184/0x1b8
[  430.441249] [<ffff0000080edf1c>] kthread+0x12c/0x130
[  430.446205] [<ffff000008082b70>] ret_from_fork+0x10/0x20
[  430.451600] Unbalanced enable for IRQ 33
[  430.455516] ------------[ cut here ]------------