Messages in this thread | | | Date | Tue, 22 Nov 2005 19:51:56 +0000 (GMT) | From | Hugh Dickins <> | Subject | Re: PageReserved removal woes: vbetool, suspend-to-ram breakage |
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On Tue, 22 Nov 2005, Matthew Garrett wrote: > Dominik Brodowski <linux@dominikbrodowski.net> wrote: > > > Just wanted to let you know that the warning introduced in > > [PATCH] core remove PageReserved > > It's not much of a warning, it seems to stop vbetool from working (which > may explain a few complaints about ACPI suspend being broken in 2.6.15 - > it's not, but vbetool is...) > > vbetool (well, strictly it's LRMI, but...) needs to access real-mode > memory. On the other hand, it's probably a bad idea to let it actually > scribble over RAM that the kernel may be using. So > MAP_PRIVATE|PROT_WRITE seems to be the correct thing to do. This > certainly /seemed/ to work in older kernels, but doesn't any more. What > should I be doing instead? > > (I'm also not quite sure why the error claims that it's deprecated, > whereas in fact it doesn't actually work at all. Breaking userspace > without warning isn't terribly nice)
Sorry about that, we really didn't expect that it was being used. And sorry I didn't get the fixes ready in time for 2.6.15-rc2. But they've gone into Linus' git tree a couple of hours ago. Please let me know if tomorrow's 2.6.15-rc2-git3 does not work for you.
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