[Bug 78269] New: [All]igt/testdisplay unable to exit sporadically

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=78269

          Priority: medium
            Bug ID: 78269
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [All]igt/testdisplay unable to exit sporadically
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: jinxianx.guo at intel.com
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 98442
  --> https://bugs.freedesktop.org/attachment.cgi?id=98442&action=edit
dmesg

*System Environment:
--------------------------
Platform: All
kernel: 
-nightly: 08ce6614d07dd1e426109672a5e323317c8d6ec7(fails)
-queued: e5c03ca362819ba8ffbe5674340b61b9cd75de8f (fails)
-fixes: 9bbfd20abe5025adbb0ac75160bd2e41158a9e83 (fails)


 *Bug detailed description:
-----------------------------
igt/testdisplay unable to exit sporadically

Output:
[root at x-pnv2 tests]# ./testdisplay
CRTC(7):[0]  1024x600 60 1024 1072 1104 1200 600 603 609 625 0xa 0x48 45000
[root at x-pnv2 tests]# [root at x-pnv2 tests]# [root at x-pnv2 tests]# [root at x-pnv2
tests]#

*Reproduce steps:
---------------------------- 
1. login the test machine by ssh
2. ./testdisplay
3. Press "enter" on keyboard, the cursor unable line-feed.
4. Input "exit" to logout the terminal and ssh in again, the operation will
recover

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