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

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Date:   Thu, 9 Mar 2017 15:39:51 -0600
From:   Tom Lendacky <thomas.lendacky@....com>
To:     Jeremy Linton <jeremy.linton@....com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: xgbe unbalanced enable for IRQ XX in 4.11-rc1

On 3/9/2017 3:26 PM, Jeremy Linton wrote:
> Hi,

Hi Jeremy,

I'll have a look at it.  Can you send me your kernel config just in
case?

Thanks,
Tom

>
> 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 ]------------