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From: Stefan Wahren <stefan.wahren@i2se.com>
To: Stefan Schake <stschake@gmail.com>, Eric Anholt <eric@anholt.net>
Cc: David Airlie <airlied@linux.ie>,
	Daniel Vetter <daniel.vetter@intel.com>,
	dri-devel@lists.freedesktop.org,
	Marc Zyngier <marc.zyngier@arm.com>
Subject: drm: vc4: WARNING: CPU: 2 PID: 172 at kernel/irq/chip.c:244 __irq_startup+0x9c/0xa8
Date: Fri, 8 Dec 2017 23:44:27 +0100 (CET)	[thread overview]
Message-ID: <1873863605.67525.1512773067288@email.1und1.de> (raw)

Hi,

the commit 253696ccd613 ("drm/vc4: Account for interrupts in flight") triggers a warning during boot of Raspberry Pi 2 with multi_v7_defconfig:

[    7.962699] vc4_hdmi 3f902000.hdmi: vc4-hdmi-hifi <-> 3f902000.hdmi mapping ok
[    7.962732] vc4_hdmi 3f902000.hdmi: ASoC: no DMI vendor name!
[    7.973355] vc4-drm soc:gpu: bound 3f902000.hdmi (ops vc4_hdmi_ops [vc4])
[    7.973651] vc4-drm soc:gpu: bound 3f806000.vec (ops vc4_vec_ops [vc4])
[    7.973788] vc4-drm soc:gpu: bound 3f400000.hvs (ops vc4_hvs_ops [vc4])
[    7.974157] vc4-drm soc:gpu: bound 3f206000.pixelvalve (ops vc4_crtc_ops [vc4])
[    7.974464] vc4-drm soc:gpu: bound 3f207000.pixelvalve (ops vc4_crtc_ops [vc4])
[    7.974746] vc4-drm soc:gpu: bound 3f807000.pixelvalve (ops vc4_crtc_ops [vc4])
[    8.018820] ------------[ cut here ]------------
[    8.018861] WARNING: CPU: 2 PID: 172 at kernel/irq/chip.c:244 __irq_startup+0x9c/0xa8
[    8.018868] Modules linked in: vc4(+) snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore cec
[    8.018911] CPU: 2 PID: 172 Comm: systemd-udevd Not tainted 4.15.0-rc1-00291-g75f64f6 #10
[    8.018914] Hardware name: BCM2835
[    8.018950] [<c03115a4>] (unwind_backtrace) from [<c030c6b4>] (show_stack+0x10/0x14)
[    8.018970] [<c030c6b4>] (show_stack) from [<c0cfc3b0>] (dump_stack+0x88/0xa4)
[    8.018993] [<c0cfc3b0>] (dump_stack) from [<c03430cc>] (__warn+0xe4/0x110)
[    8.019012] [<c03430cc>] (__warn) from [<c03431c4>] (warn_slowpath_null+0x3c/0x48)
[    8.019029] [<c03431c4>] (warn_slowpath_null) from [<c0391370>] (__irq_startup+0x9c/0xa8)
[    8.019045] [<c0391370>] (__irq_startup) from [<c03913c0>] (irq_startup+0x44/0x134)
[    8.019061] [<c03913c0>] (irq_startup) from [<c038f360>] (enable_irq+0x34/0x6c)
[    8.019210] [<c038f360>] (enable_irq) from [<bf0a8380>] (vc4_irq_postinstall+0x14/0x34 [vc4])
[    8.019338] [<bf0a8380>] (vc4_irq_postinstall [vc4]) from [<c0816a98>] (drm_irq_install+0xc0/0x134)
[    8.019456] [<c0816a98>] (drm_irq_install) from [<bf0ab0c8>] (vc4_v3d_bind+0x12c/0x238 [vc4])
[    8.019550] [<bf0ab0c8>] (vc4_v3d_bind [vc4]) from [<c089f760>] (component_bind_all+0xe8/0x21c)
[    8.019635] [<c089f760>] (component_bind_all) from [<bf09efbc>] (vc4_drm_bind+0x78/0x130 [vc4])
[    8.019721] [<bf09efbc>] (vc4_drm_bind [vc4]) from [<c089fbac>] (try_to_bring_up_master+0x13c/0x184)
[    8.019739] [<c089fbac>] (try_to_bring_up_master) from [<c089fdb0>] (component_master_add_with_match+0x80/0xb8)
[    8.019822] [<c089fdb0>] (component_master_add_with_match) from [<bf09f104>] (vc4_platform_drm_probe+0x90/0xa8 [vc4])
[    8.019905] [<bf09f104>] (vc4_platform_drm_probe [vc4]) from [<c08a68f8>] (platform_drv_probe+0x4c/0xac)
[    8.019924] [<c08a68f8>] (platform_drv_probe) from [<c08a4ccc>] (driver_probe_device+0x234/0x338)
[    8.019939] [<c08a4ccc>] (driver_probe_device) from [<c08a4e7c>] (__driver_attach+0xac/0xb0)
[    8.019953] [<c08a4e7c>] (__driver_attach) from [<c08a317c>] (bus_for_each_dev+0x64/0x94)
[    8.019967] [<c08a317c>] (bus_for_each_dev) from [<c08a4250>] (bus_add_driver+0x184/0x20c)
[    8.019981] [<c08a4250>] (bus_add_driver) from [<c08a5920>] (driver_register+0x78/0xf8)
[    8.019997] [<c08a5920>] (driver_register) from [<c03021cc>] (do_one_initcall+0x3c/0x16c)
[    8.020018] [<c03021cc>] (do_one_initcall) from [<c03c293c>] (do_init_module+0x5c/0x1f0)
[    8.020037] [<c03c293c>] (do_init_module) from [<c03c1b00>] (load_module+0x1ba4/0x2248)
[    8.020058] [<c03c1b00>] (load_module) from [<c03c2370>] (SyS_finit_module+0x8c/0x9c)
[    8.020076] [<c03c2370>] (SyS_finit_module) from [<c0307edc>] (__sys_trace_return+0x0/0x10)
[    8.020085] ---[ end trace d5c350f831cb07d2 ]---
[    8.020201] vc4-drm soc:gpu: bound 3fc00000.v3d (ops vc4_v3d_ops [vc4])
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             reply	other threads:[~2017-12-08 22:44 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-12-08 22:44 Stefan Wahren [this message]
2017-12-09 12:34 ` drm: vc4: WARNING: CPU: 2 PID: 172 at kernel/irq/chip.c:244 __irq_startup+0x9c/0xa8 Marc Zyngier
2017-12-09 14:17   ` Stefan Schake
2017-12-09 15:49     ` Marc Zyngier
2017-12-10  3:05 ` Stefan Schake
2017-12-10 11:12   ` Marc Zyngier

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