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* [Bug 113861] New: [radeon] Xorg fatal freeze upon startx
@ 2016-03-07  6:53 bugzilla-daemon
  2016-03-07  6:58 ` [Bug 113861] " bugzilla-daemon
                   ` (12 more replies)
  0 siblings, 13 replies; 14+ messages in thread
From: bugzilla-daemon @ 2016-03-07  6:53 UTC (permalink / raw)
  To: dri-devel

https://bugzilla.kernel.org/show_bug.cgi?id=113861

            Bug ID: 113861
           Summary: [radeon] Xorg fatal freeze upon startx
           Product: Drivers
           Version: 2.5
    Kernel Version: 4.4.4, 4.1.18 LTS
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: high
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri@kernel-bugs.osdl.org
          Reporter: 3db5to+dsqmzpq58ju3k@sharklasers.com
        Regression: No

Source of bug report:
https://bugs.archlinux.org/task/48468
https://bbs.archlinux.org/viewtopic.php?id=209576

When startx is used to start Xorg on an Arch system booted to command line with
radeon module, Xorg process is fully frozen and cannot be killed or terminated,
with message:
"waiting for X server to begin accepting connections...
...
..."
etc.
(CTRL-C 500 times to stop the polling, Xorg wrapper is unresponsive to kill -9)

This is happening on both 4.1.18 LTS and 4.4.4 (latter is vanilla + grsec). It
is not happening on 4.4.3 from distribution (but pure vanilla not tried).

Does not occur if radeon is blacklisted and VESA used instead.

Two reports so far. 
Mine is switchable :
[AMD/ATI] RS880M [Mobility Radeon HD 4225/4250]
[AMD/ATI] Whistler [Radeon HD 6630M/6650M/6750M/7670M/7690M]
Forum user:
[AMD/ATI] Mars [Radeon HD 8730M]
... (see link)

Forum user recorded a stack trace (from his link
https://gist.github.com/Bernolt/ae162d69444f9937610d):

[<ffffffff813f2151>] rpm_resume+0x171/0x660
[<ffffffff813f267f>] __pm_runtime_resume+0x3f/0x60
[<ffffffffa06b05c4>] radeon_dp_detect+0x64/0x2e0 [radeon]
[<ffffffffa040c20a>] drm_helper_hpd_irq_event+0xaa/0x140 [drm_kms_helper]
[<ffffffffa0688bec>] radeon_resume_kms+0x22c/0x420 [radeon]
[<ffffffffa0686143>] radeon_pmops_runtime_resume+0x73/0xb0 [radeon]
[<ffffffff8130517f>] pci_pm_runtime_resume+0x7f/0xc0
[<ffffffff813df139>] vga_switcheroo_runtime_resume+0x39/0x40
[<ffffffff813f10a4>] __rpm_callback+0x34/0x90
[<ffffffff813f1128>] rpm_callback+0x28/0x90
[<ffffffff813f2439>] rpm_resume+0x459/0x660
[<ffffffff813f267f>] __pm_runtime_resume+0x3f/0x60
[<ffffffffa068b016>] radeon_driver_open_kms+0x36/0x1d0 [radeon]
[<ffffffffa035b7ef>] drm_open+0x1af/0x4c0 [drm]
[<ffffffffa0362689>] drm_stub_open+0xa9/0x120 [drm]
[<ffffffff811dc0e6>] chrdev_open+0xb6/0x1b0
[<ffffffff811d50a7>] do_dentry_open+0x227/0x330
[<ffffffff811d62e6>] vfs_open+0x56/0x60
[<ffffffff811e5bf4>] do_last.isra.11+0x344/0xf50
[<ffffffff811e6891>] path_openat+0x91/0x670
[<ffffffff811e82f9>] do_filp_open+0x49/0xd0
[<ffffffff811d66ed>] do_sys_open+0x14d/0x250
[<ffffffff811d680e>] SyS_open+0x1e/0x20
[<ffffffff8158256e>] system_call_fastpath+0x12/0x71
[<ffffffffffffffff>] 0xffffffffffffffff

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end of thread, other threads:[~2016-03-20 18:44 UTC | newest]

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2016-03-07  6:53 [Bug 113861] New: [radeon] Xorg fatal freeze upon startx bugzilla-daemon
2016-03-07  6:58 ` [Bug 113861] " bugzilla-daemon
2016-03-07  7:16 ` bugzilla-daemon
2016-03-07 16:30 ` bugzilla-daemon
2016-03-07 17:13 ` bugzilla-daemon
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2016-03-08 19:03 ` bugzilla-daemon
2016-03-08 19:04 ` bugzilla-daemon
2016-03-08 19:08 ` bugzilla-daemon
2016-03-13 17:34 ` bugzilla-daemon
2016-03-20 18:44 ` bugzilla-daemon

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