From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 105725] WARNING: CPU: 0 PID: 487 at drivers/gpu/drm/amd/amdgpu/../display /dc/gpio/gpio_base.c:64 dal_gpio_open_ex+0xc/0x30 [amdgpu]
Date: Fri, 16 Nov 2018 01:50:06 +0000 [thread overview]
Message-ID: <bug-105725-502-6FBGUvIzDI@http.bugs.freedesktop.org/> (raw)
In-Reply-To: <bug-105725-502@http.bugs.freedesktop.org/>
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https://bugs.freedesktop.org/show_bug.cgi?id=105725
--- Comment #13 from Petr Cvek <petrcvekcz@gmail.com> ---
Comment on attachment 142485
--> https://bugs.freedesktop.org/attachment.cgi?id=142485
Suggested fix with a semaphore
It seems there is a race condition between multiple threads which calls
dal_ddc_open(). With attached patch (testing only, ugly) there are no warnings
anymore.
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next prev parent reply other threads:[~2018-11-16 1:50 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-24 8:18 [Bug 105725] WARNING: CPU: 0 PID: 487 at drivers/gpu/drm/amd/amdgpu/../display /dc/gpio/gpio_base.c:64 dal_gpio_open_ex+0xc/0x30 [amdgpu] bugzilla-daemon
2018-03-24 8:20 ` bugzilla-daemon
2018-03-26 14:26 ` bugzilla-daemon
2018-03-26 14:40 ` bugzilla-daemon
2018-03-27 19:06 ` bugzilla-daemon
2018-03-30 17:26 ` bugzilla-daemon
2018-03-30 17:27 ` bugzilla-daemon
2018-06-22 2:08 ` bugzilla-daemon
2018-07-30 14:39 ` bugzilla-daemon
2018-08-02 10:53 ` bugzilla-daemon
2018-08-02 13:35 ` bugzilla-daemon
2018-09-25 11:41 ` bugzilla-daemon
2018-09-26 23:06 ` bugzilla-daemon
2018-11-16 1:47 ` bugzilla-daemon
2018-11-16 1:50 ` bugzilla-daemon [this message]
2018-11-28 10:05 ` bugzilla-daemon
2018-11-29 5:50 ` bugzilla-daemon
2019-11-19 8:33 ` bugzilla-daemon
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