Displaying 4 results from an estimated 4 matches for "vga_switcheroo_debugfs_writ".
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vga_switcheroo_debugfs_write
2013 Jan 03
2
3.8-rc2: EFI framebuffer lock inversion...
...fffffffa01f5451>] nouveau_do_suspend+0x51/0x200 [nouveau]
[<ffffffffa01f564f>] nouveau_pmops_suspend+0x2f/0x80 [nouveau]
[<ffffffffa01f723c>] nouveau_switcheroo_set_state+0x5c/0xc0 [nouveau]
[<ffffffff81300877>] vga_switchoff+0x17/0x40
[<ffffffff81300f1a>] vga_switcheroo_debugfs_write+0xca/0x380
[<ffffffff8110ec93>] vfs_write+0xa3/0x160
[<ffffffff8110ef9d>] sys_write+0x4d/0xa0
[<ffffffff8155ad56>] system_call_fastpath+0x1a/0x1f
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0 CPU1
---- -...
2016 Jul 10
2
vga_switcheroo audio runpm
...MacBook Pro. I came across a major roadblock in the form of
vga_switcheroo_set_dynamic_switch(). That function is called from the
DRM driver when the GPU runtime suspends and resumes. It takes the
vgasr_mutex. The problem is, if the user initiates a switch of the mux,
that mutex is already taken in vga_switcheroo_debugfs_write(). If the
GPU we're switching to is asleep, it'll wake up for the switch and
we'll get a deadlock when the DRM driver subsequently calls
vga_switcheroo_set_dynamic_switch().
I would like to get rid of vga_switcheroo_set_dynamic_switch() to solve
this. The function has two purposes: Nu...
2013 Dec 01
0
3.12 nvidia switcheroo regression
...]
[<ffffffffa01b3bfd>] nouveau_do_suspend+0x23d/0x2d0 [nouveau]
[<ffffffffa01b3cd6>] nouveau_pmops_suspend+0x46/0xc0 [nouveau]
[<ffffffffa01b7404>] nouveau_switcheroo_set_state+0x64/0xc0 [nouveau]
[<ffffffff8145bb98>] vga_switchoff.part.2+0x18/0x40
[<ffffffff8145c083>] vga_switcheroo_debugfs_write+0x303/0x3c0
[<ffffffff81195a29>] ? __sb_start_write+0x49/0x100
[<ffffffff812c3693>] ? security_file_permission+0x23/0xa0
[<ffffffff81193b9d>] vfs_write+0xbd/0x1e0
[<ffffffff81194279>] SyS_write+0x49/0xa0
[<ffffffff816dd829>] system_call_fastpath+0x16/0x1b
Code: 63 c6...
2013 Oct 27
7
[Bug 70927] New: nv50_instobj_wr32 kernel panic
https://bugs.freedesktop.org/show_bug.cgi?id=70927
Priority: medium
Bug ID: 70927
Assignee: nouveau at lists.freedesktop.org
Summary: nv50_instobj_wr32 kernel panic
Severity: normal
Classification: Unclassified
OS: Linux (All)
Reporter: antoniovazquezblanco at gmail.com
Hardware: x86-64 (AMD64)