On Thursday 16 June 2005 22:11, Jon Smirl wrote: > On 6/16/05, Adam Jackson <[EMAIL PROTECTED]> wrote: > > I would strongly suggest that we use usermode helpers as much as possible > > even on linux, since we have the code already written in X and it'll > > increase the similarity with other platforms. Write it once. Other > > platforms without an fbdev layer will run the server as root and just > > fork the modesetter. > > > > This would be nice to do even for the classic server if possible. > > User mode helpers have their own set of problems. It is really hard to > build them so that the system doesn't deadlock in low memory > situations. The OOM process killer can also kill them if it gets > desperate for memory. Trying to run them can trigger swap storms, etc. > Several groups are building systems like that on Linux right now - > FUSE, iSCSI, others. Their success is varied and no one has had > complete success.
May I suggest that if you don't have enough memory to change video mode, then you don't have enough memory anyway. And by induction, if the process to change modes consumes enough memory to trigger the OOM killer, then you are memory-starved to begin with. - ajax
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