Messages in this thread | | | Date | Wed, 15 Dec 2004 01:43:35 +0100 | From | Andrea Arcangeli <> | Subject | Re: kernel BUG at mm/rmap.c:480 in 2.6.10-rc3-bk7 |
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On Tue, Dec 14, 2004 at 11:26:48PM +0000, Hugh Dickins wrote: > On Tue, 14 Dec 2004, Greg KH wrote: > > > > So I finally try to get dri working on my laptop and I get the following > > kernel bug when killing X (the program gish was running at the time): > > > > kernel BUG at mm/rmap.c:480! > > EIP is at page_remove_rmap+0x32/0x40 > > Process gish (pid: 10864, threadinfo=c8aea000 task=c7c2c040) > > [<c0141495>] zap_pte_range+0x135/0x290 > >... > > [<c0145f41>] exit_mmap+0x71/0x140 > > [<c01163c4>] mmput+0x24/0x80 > > [<c011a756>] do_exit+0x146/0x370 > >... > > It's my BUG_ON(page_mapcount(page) < 0). > > We've had about one report per month, over the last six months. > But this is the first citing "gish"; sometimes it's been "cc1". > > I've given it a lot of thought, but I'm still mystified. The last > report turned out to be attributable to bad memory; but this BUG_ON > is too persistent and specific to be put down to that in all cases.
The killing X smells like it could be related to drm or other kernel X drivers. Could you try not to load the drm/agp stuff and see if it goes away? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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