[Bug 2095376] [NEW] net: stmmac: kernel continually prints wol unbalance irq warning

Public bug reported:

When we boot uc20 on an arm64 platform with stmmac ethernet, the kernel
will print the calltrace as below periodically:

[ 31.617426] ------------[ cut here ]------------
[ 31.622053] Unbalanced IRQ 46 wake disable
[ 31.626164] WARNING: CPU: 1 PID: 516 at kernel/irq/manage.c:754 irq_set_irq_wake+0x100/0x140
[ 31.634598] Modules linked in: crct10dif_ce
[ 31.638785] CPU: 1 PID: 516 Comm: ethtool Not tainted 5.4.70+g7905bd7680f1c #1
[ 31.646002] Hardware name: NXP i.MX8MPlus EVK board (DT)
[ 31.651312] pstate: 40000085 (nZcv daIf -PAN -UAO)
[ 31.656100] pc : irq_set_irq_wake+0x100/0x140
[ 31.660454] lr : irq_set_irq_wake+0x100/0x140
[ 31.664806] sp : ffff80001230baa0
[ 31.668118] x29: ffff80001230baa0 x28: ffff000077900e00
[ 31.673427] x27: 0000000000000000 x26: 0000000000000000
[ 31.678736] x25: 0000000056000000 x24: 0001708000004bb3
[ 31.684046] x23: 0000000000000000 x22: 00000000ffffffea
[ 31.689355] x21: 000000000000002e x20: ffff000077900e00
[ 31.694666] x19: ffff00007a3d6c00 x18: 0000000000000010
[ 31.699976] x17: 0000000000000000 x16: 0000000000000000
[ 31.705285] x15: ffff000077901270 x14: ffffffffffffffff
[ 31.710594] x13: ffff80009230b7f7 x12: ffff80001230b7ff
[ 31.715903] x11: ffff800011bc2000 x10: ffff800011cf9328
[ 31.721212] x9 : 0000000000000000 x8 : ffff800011cfa000
[ 31.726522] x7 : ffff8000106b0a28 x6 : 00000000000001de
[ 31.731831] x5 : ffff00007ddb8180 x4 : 0000000000000001
[ 31.737140] x3 : ffff00007ddb8180 x2 : 0000000000000007
[ 31.742449] x1 : 291194bbee99b600 x0 : 0000000000000000
[ 31.747759] Call trace:
[ 31.750203] irq_set_irq_wake+0x100/0x140
[ 31.754212] stmmac_set_wol+0x7c/0xf0
[ 31.757872] dev_ethtool+0xaa0/0x1fa0
[ 31.761534] dev_ioctl+0x240/0x3a0
[ 31.764935] sock_do_ioctl+0xfc/0x2b0
[ 31.768593] sock_ioctl+0x264/0x528
[ 31.772080] do_vfs_ioctl+0x964/0xb48
[ 31.775739] ksys_ioctl+0x78/0xa8
[ 31.779052] __arm64_sys_ioctl+0x1c/0xb8
[ 31.782974] el0_svc_common.constprop.0+0x68/0x160
[ 31.787762] el0_svc_handler+0x20/0x80
[ 31.791509] el0_svc+0x8/0x208
[ 31.794561] ---[ end trace fd95e8037ff0ec09 ]---

** Affects: linux (Ubuntu)
Importance: Medium
Status: New

** Affects: linux (Ubuntu Focal)
Importance: Medium
Assignee: Hui Wang (hui.wang)
Status: New

** Also affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New

** Changed in: linux (Ubuntu)
Importance: Undecided => Medium

** Changed in: linux (Ubuntu Focal)
Importance: Undecided => Medium

** Changed in: linux (Ubuntu Focal)
Assignee: (unassigned) => Hui Wang (hui.wang)

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https://bugs.launchpad.net/bugs/2095376

Title:
net: stmmac: kernel continually prints wol unbalance irq warning

Status in linux package in Ubuntu:
New
Status in linux source package in Focal:
New

Bug description:
When we boot uc20 on an arm64 platform with stmmac ethernet, the
kernel will print the calltrace as below periodically:

[ 31.617426] ------------[ cut here ]------------
[ 31.622053] Unbalanced IRQ 46 wake disable
[ 31.626164] WARNING: CPU: 1 PID: 516 at kernel/irq/manage.c:754 irq_set_irq_wake+0x100/0x140
[ 31.634598] Modules linked in: crct10dif_ce
[ 31.638785] CPU: 1 PID: 516 Comm: ethtool Not tainted 5.4.70+g7905bd7680f1c #1
[ 31.646002] Hardware name: NXP i.MX8MPlus EVK board (DT)
[ 31.651312] pstate: 40000085 (nZcv daIf -PAN -UAO)
[ 31.656100] pc : irq_set_irq_wake+0x100/0x140
[ 31.660454] lr : irq_set_irq_wake+0x100/0x140
[ 31.664806] sp : ffff80001230baa0
[ 31.668118] x29: ffff80001230baa0 x28: ffff000077900e00
[ 31.673427] x27: 0000000000000000 x26: 0000000000000000
[ 31.678736] x25: 0000000056000000 x24: 0001708000004bb3
[ 31.684046] x23: 0000000000000000 x22: 00000000ffffffea
[ 31.689355] x21: 000000000000002e x20: ffff000077900e00
[ 31.694666] x19: ffff00007a3d6c00 x18: 0000000000000010
[ 31.699976] x17: 0000000000000000 x16: 0000000000000000
[ 31.705285] x15: ffff000077901270 x14: ffffffffffffffff
[ 31.710594] x13: ffff80009230b7f7 x12: ffff80001230b7ff
[ 31.715903] x11: ffff800011bc2000 x10: ffff800011cf9328
[ 31.721212] x9 : 0000000000000000 x8 : ffff800011cfa000
[ 31.726522] x7 : ffff8000106b0a28 x6 : 00000000000001de
[ 31.731831] x5 : ffff00007ddb8180 x4 : 0000000000000001
[ 31.737140] x3 : ffff00007ddb8180 x2 : 0000000000000007
[ 31.742449] x1 : 291194bbee99b600 x0 : 0000000000000000
[ 31.747759] Call trace:
[ 31.750203] irq_set_irq_wake+0x100/0x140
[ 31.754212] stmmac_set_wol+0x7c/0xf0
[ 31.757872] dev_ethtool+0xaa0/0x1fa0
[ 31.761534] dev_ioctl+0x240/0x3a0
[ 31.764935] sock_do_ioctl+0xfc/0x2b0
[ 31.768593] sock_ioctl+0x264/0x528
[ 31.772080] do_vfs_ioctl+0x964/0xb48
[ 31.775739] ksys_ioctl+0x78/0xa8
[ 31.779052] __arm64_sys_ioctl+0x1c/0xb8
[ 31.782974] el0_svc_common.constprop.0+0x68/0x160
[ 31.787762] el0_svc_handler+0x20/0x80
[ 31.791509] el0_svc+0x8/0x208
[ 31.794561] ---[ end trace fd95e8037ff0ec09 ]---

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