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    SubjectRe: [PATCH 1/2] radeon: fix radeon kms framebuffer device
    Andy Lutomirski wrote:
    > Jerome Glisse wrote:
    >> smem.start is a physical address which kernel can remap to access
    >> video memory of the fb buffer. We now pin the fb buffer into vram
    >> by doing so we are loosing vram but fbdev need to be reworked to
    >> allow change in framebuffer address.
    > I tested this (and the corresponding 2/2 initialization order, but
    > with radeon as a module), and plymouth seems to be fully functional
    > (graphical boot, password prompt, etc).
    > (The driver set the wrong mode, but that's a different issue.)
    > Thanks!
    > Tested-by: Andy Lutomirski <>
    Got an oops after awhile:

    BUG: Bad page state in process gpg-agent pfn:37dd5
    page:ffffea0000c38698 flags:200000000050000c count:0 mapcount:0
    mapping:(null) index:7fd35e311
    Pid: 3131, comm: gpg-agent Not tainted 2.6.30 #5
    Call Trace:
    [<ffffffff810bc99b>] bad_page+0x115/0x13e
    [<ffffffff810bcbd3>] free_pages_check+0x3c/0x6d
    [<ffffffff810bde8f>] free_hot_cold_page+0x4e/0x151
    [<ffffffff810bdfce>] __pagevec_free+0x3c/0x65
    [<ffffffff810c1c82>] release_pages+0x1a5/0x1cb
    [<ffffffff810de357>] free_pages_and_swap_cache+0x6d/0x9e
    [<ffffffff810d584b>] tlb_finish_mmu+0x41/0x63
    [<ffffffff810d5b3f>] exit_mmap+0xfb/0x138
    [<ffffffff8104beae>] mmput+0x55/0xc1
    [<ffffffff81050626>] exit_mm+0x10e/0x12f
    [<ffffffff8105226f>] do_exit+0x1b4/0x6a8
    [<ffffffff8106c6b0>] ? up_read+0x1c/0x32
    [<ffffffff810527e2>] do_group_exit+0x7f/0xac
    [<ffffffff81052834>] sys_exit_group+0x25/0x3d
    [<ffffffff8100beab>] system_call_fastpath+0x16/0x1b

    I don't know if this is related to the drm changes.

    Back to 2.6.29 for me :) (I actually use this machine, so I'd rather
    not run kernels that cause random corruption.)


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      Last update: 2009-06-23 15:15    [W:0.023 / U:10.292 seconds]
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