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    SubjectRe: 2.6.12-rc1-mm2
    Stefano Rivoir wrote:
    > Alle 13:41, giovedì 24 marzo 2005, Andrew Morton ha scritto:
    >
    >>ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.12-rc1/2.
    >>6.12-rc1-mm2/
    >
    >
    >>- Some fixes for the recent DRM problems.
    >
    >
    > Hi Andrew,
    >
    > While I was OK with DRM up to 2.6.12-rc1-mm1, now I get this at startup, and
    > Xorg fails to enable DRI (attached, lspci and .config):
    >
    > Unable to handle kernel paging request at virtual address 72ff64d7
    > printing eip:
    > e087eb44
    > *pde = 00000000
    > Oops: 0002 [#1]
    > PREEMPT
    > Modules linked in: radeon drm sd_mod scsi_mod lp hotkey fan container button
    > ide_cd 8250_pnp parport_pc parport floppy pcspkr sk98lin yenta_socket
    > rsrc_nonstatic pcmcia_core ehci_hcd usbhid ohci_hcd snd_intel8x0m 8250_pci
    > 8250 serial_core ohci1394 ieee1394 sis_agp agpgart vfat fat video thermal
    > processor ac battery snd_intel8x0 snd_ac97_codec snd_pcm_oss snd_mixer_oss
    > snd_pcm snd_timer snd soundcore snd_page_alloc skge evdev
    > CPU: 0
    > EIP: 0060:[<e087eb44>] Not tainted VLI
    > EFLAGS: 00013286 (2.6.12-rc1-mm2)
    > EIP is at agp_find_bridge+0x0/0xffffc77f [agpgart]
    > eax: dff1d000 ebx: de228400 ecx: 00000000 edx: 000000d0
    > esi: dd860000 edi: de228450 ebp: e1a4bd90 esp: dd811f48
    > ds: 007b es: 007b ss: 0068
    > Process modprobe (pid: 4698, threadinfo=dd810000 task=dfca3030)
    > Stack: e1a085fb dd860000 00000000 e1a4c240 e1a06ed0 dd860000 e1a4c240 dff1d000
    > dd860000 e1a071ce e1a4c240 c01abfaf e1a4bd90 dff1d000 e1a4c240 00000310
    > e1a03adf ffffffff 00000000 00000310 fffffffc e1a4e180 dd810000 dd810000
    > Call Trace:
    > [<e1a085fb>] drm_agp_init+0x3b/0xb0 [drm]
    > [<e1a06ed0>] drm_fill_in_dev+0xf0/0x1b0 [drm]
    > [<e1a071ce>] drm_get_dev+0x4e/0xc0 [drm]
    > [<c01abfaf>] kobject_get+0xf/0x20
    > [<e1a03adf>] drm_init+0x6f/0xb0 [drm]
    > [<c0130589>] sys_init_module+0x139/0x1e0
    > [<c0102fdb>] sysenter_past_esp+0x54/0x75
    > Code: 6e 66 69 67 5f 62 79 74 65 00 61 67 70 5f 70 75 74 5f 62 72 69 64 67 65
    > 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 65 00 <c0> a7 87 e0 dc 94
    > cd de dc 94 cd de 00 00 00 00 00 00 00 00 00

    I get a similar Oops at boot; I noticed this warning during compilation:

    drivers/char/drm/drm_agpsupport.c: In function `drm_agp_init':
    drivers/char/drm/drm_agpsupport.c:391: warning: implicit declaration of function `agp_find_bridge'
    drivers/char/drm/drm_agpsupport.c:391: warning: assignment makes pointer from integer without a cast

    I dont know what header to include/modify to make it go away.
    DRM and AGP are compiled into the kernel (no modules).

    --
    Manuel Lauss

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