Messages in this thread |  | | | Date | Thu, 1 Dec 2005 08:05:23 -0800 (PST) | | From | Linus Torvalds <> | | Subject | Re: Linux 2.6.15-rc4 |
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On Thu, 1 Dec 2005, Kasper Sandberg wrote: > > On Wed, 2005-11-30 at 22:40 -0800, Linus Torvalds wrote: > <snip> > > > > Linus > > > > [ Btw, some drivers will now complain loudly about their nasty mis-use of > > page remapping, and that migh look scary, but it should all be good, and > > we'd love to see the detailed output of dmesg on such machines. ] > > > > this is the ati proprietary driver on x86 laptop. > > Backtrace: > [<b013d88d>] bad_page+0x7d/0xc0 > [<b013e124>] free_hot_cold_page+0x44/0x100 > [<b0148c2c>] zap_pte_range+0xfc/0x220 > [<b0148e3c>] unmap_page_range+0xec/0x110 > [<b0148f21>] unmap_vmas+0xc1/0x1e0 > [<b014cc45>] unmap_region+0x85/0x110 > [<b014cf39>] do_munmap+0xd9/0x120 > [<b014cfc7>] sys_munmap+0x47/0x70 > [<b0102f1b>] sysenter_past_esp+0x54/0x75 > Trying to fix it up, but a reboot is needed
It _should_ have said something before this too. In particular, I'd have expected a message like
X.org does an incomplete pfn remapping Backtrace: .... when the thing started up. Oh, and _just_ before that trace, I'd have expected a
Bad page state at .... flags: ..... which is also something I'd like to see.
Oh, and that "Trying to fix it up, but a reboot is needed" message should be harmless. We share the same "bad_page()" function with all the problems, even though the PageReserved() one should really be harmless apart from being scary-noisy. So please keep running, if only to verify that I'm not full of crap about that.
(I can silence the nasty warnings easily enough, but I wanted people who triggered the new code-paths to be aware of it and report to me what drivers to it, so they are _really_ noisy right now).
Thanks,
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