Messages in this thread | | | Date | Mon, 22 Feb 2010 14:56:46 -0800 | From | Andrew Morton <> | Subject | Re: [PATCH v2] Add a new VT mode which is like VT_PROCESS but doesn't require a VT_RELDISP ioctl call |
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On Fri, 19 Feb 2010 09:37:55 -0500 (EST) Ari Entlich <atrigent@ccs.neu.edu> wrote:
> This new VT mode (VT_PROCESS_AUTO) does everything that VT_PROCESS does > except that it doesn't wait for a VT_RELDISP ioctl before switching > away from a VT with that mode. > > If the X server eventually uses this new mode, debugging and crash > recovery should become easier. This is because even when currently in > the VT of a frozen X server it would still be possible to switch out > by doing SysRq-r and then CTRL-<number of a text vt>, sshing in and > doing chvt <number of a text vt>, or any other method of VT switching. > The general concensus on #xorg-devel seems to be that it should be > safe to use this with X now that we have KMS.
Well, it "should" become easier, but does it? Has anyone patched their X server to confirm that this kernel change improves things? I'm wondering how this change was tested?
Is there a plan to get the X server modified to use VT_PROCESS_AUTO?
> This also moves the VT_ACKACQ define to a more appropriate place, > for clarity's sake. >
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