[Kernel-packages] [Bug 1579610] Re: drm.ko < kernel version 4.5 has a dead lock bug

2016-05-25 Thread Qiang Yu
We've verified on 4.2 and 4.4, the fix solves the problem, thanks. ** Tags removed: verification-needed-wily verification-needed-xenial ** Tags added: verification-done-wily verification-done-xenial -- You received this bug notification because you are a member of Kernel Packages, which is subsc

[Kernel-packages] [Bug 1579610] Re: drm.ko < kernel version 4.5 has a dead lock bug

2016-05-24 Thread Qiang Yu
OK. Thanks. We're testing on this. But our driver only support 14.04.4 & 16.04, so we can only verify on 4.2 & 4.4 kernel, is that OK? -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1579610

[Kernel-packages] [Bug 1579610] [NEW] drm.ko < kernel version 4.5 has a dead lock bug

2016-05-08 Thread Qiang Yu
Public bug reported: This bug go the code path drvers/gpu/drm/{drm_prime.c,drm_gem.c} drm_gem_prime_fd_to_handle() | mutex_lock(&file_priv->prime.lock); | drm_gem_handle_create_tail() | | dev->driver->gem_open_object() (for amdgpu.ko driver, this is amdgpu_gem_object_open) | | drm_gem_handle_del