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    SubjectRe: [OOPS] radeon kms
    From
    On Tue, Jan 26, 2010 at 2:59 PM, Alex Deucher <alexdeucher@gmail.com> wrote:
    > On Tue, Jan 26, 2010 at 8:21 AM, John Kacur <jkacur@redhat.com> wrote:
    >>
    >>
    >> On Fri, 15 Jan 2010, Jerome Glisse wrote:
    >>
    >>> On Fri, Jan 15, 2010 at 03:47:19PM +0100, John Kacur wrote:
    >>> >
    >>> >
    >>> > On Fri, 15 Jan 2010, John Kacur wrote:
    >>> >
    >>> > > The oops is triggered because I am missing the firmware for
    >>> > > radeon/R700_rlc.bin and
    >>> > > radeon/R600_rlc.bin
    >>> > >
    >>> > > However, I think it should be able to deal with this more gracefully.
    >>> > >
    >>> > > ATOM BIOS: 9498.11.22.6.0.AS03
    >>> > > [drm] Clocks initialized !
    >>> > > [drm] Detected VRAM RAM=256M, BAR=256M
    >>> > > [drm] RAM width 128bits DDR
    >>> > > [TTM] Zone  kernel: Available graphics memory: 3050912 kiB.
    >>> > > [TTM] Zone   dma32: Available graphics memory: 2097152 kiB.
    >>> > > [drm] radeon: 256M of VRAM memory ready
    >>> > > [drm] radeon: 512M of GTT memory ready.
    >>> > >   alloc irq_desc for 33 on node -1
    >>> > >   alloc kstat_irqs on node -1
    >>> > > radeon 0000:02:00.0: irq 33 for MSI/MSI-X
    >>> > > [drm] radeon: using MSI.
    >>> > > [drm] radeon: irq initialized.
    >>> > > [drm] GART: num cpu pages 131072, num gpu pages 131072
    >>> > > [drm] Loading RV730 Microcode
    >>> > > platform radeon_cp.0: firmware: requesting radeon/RV730_pfp.bin
    >>> > > platform radeon_cp.0: firmware: requesting radeon/RV730_me.bin
    >>> > > platform radeon_cp.0: firmware: requesting radeon/R700_rlc.bin
    >>> > > r600_cp: Failed to load firmware "radeon/R700_rlc.bin"
    >>> > > [drm:rv770_startup] *ERROR* Failed to load firmware!
    >>> > > radeon 0000:02:00.0: ffff8801a20b5400 unpin not necessary
    >>> > > BUG: unable to handle kernel NULL pointer dereference at 0000000000000048
    >>> > > IP: [<ffffffffa0061034>] ttm_bo_reserve+0x16/0xf8 [ttm]
    >>> > > PGD 1a1a74067 PUD 1a19b8067 PMD 0
    >>> > > Oops: 0000 [#1] SMP
    >>> > > last sysfs file: /sys/devices/platform/radeon_cp.0/firmware/radeon_cp.0/loading
    >>> > > CPU 4
    >>> > > Pid: 168, comm: modprobe Not tainted 2.6.33-rc4 #3 EX58-UD3R/EX58-UD3R
    >>> > > RIP: 0010:[<ffffffffa0061034>]  [<ffffffffa0061034>] ttm_bo_reserve+0x16/0xf8 [t
    >>> > > tm]
    >>> > > RSP: 0018:ffff8801a1a8fb68  EFLAGS: 00010292
    >>> > > RAX: ffff880100000000 RBX: 0000000000000000 RCX: 0000000000000000
    >>> > > RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000048
    >>> > > RBP: ffff8801a1a8fba8 R08: 0000000000000000 R09: 0000000000000000
    >>> > > R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
    >>> > > R13: ffff8801a8838000 R14: 0000000000000024 R15: 0000000000002000
    >>> > > FS:  00007f0f9c6dc700(0000) GS:ffff88002e400000(0000) knlGS:0000000000000000
    >>> > > CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
    >>> > > CR2: 0000000000000048 CR3: 00000001a195d000 CR4: 00000000000006e0
    >>> > > DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
    >>> > > DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
    >>> > > Process modprobe (pid: 168, threadinfo ffff8801a1a8e000, task ffff8801a22c0000)
    >>> > > Stack:
    >>> > >  ffff880100000000 ffff8801a27e2900 ffff8801a1a8fb88 0000000000000000
    >>> > > <0> 0000000000000000 ffff8801a8838000 0000000000000024 0000000000002000
    >>> > > <0> ffff8801a1a8fbd8 ffffffffa00ba05b ffff8801a1a8fbd8 ffff8801a27f4000
    >>> > > Call Trace:
    >>> > >  [<ffffffffa00ba05b>] radeon_bo_reserve.clone.0+0x2a/0x6d [radeon]
    >>> > >  [<ffffffffa00bb441>] rv770_suspend+0x43/0x69 [radeon]
    >>> > >  [<ffffffffa00bb6cf>] rv770_init+0x1a4/0x22d [radeon]
    >>> > >  [<ffffffffa0089593>] radeon_device_init+0x27f/0x300 [radeon]
    >>> > >  [<ffffffffa008a0fb>] radeon_driver_load_kms+0xff/0x184 [radeon]
    >>> > >  [<ffffffffa001e1a6>] drm_get_dev+0x3c4/0x4c5 [drm]
    >>> > >  [<ffffffff8122ea73>] ? pci_match_device+0x22/0xd0
    >>> > >  [<ffffffffa00c3bb8>] radeon_pci_probe+0x15/0x268 [radeon]
    >>> > >  [<ffffffff8122e941>] local_pci_probe+0x17/0x1b
    >>> > >  [<ffffffff8122f721>] pci_device_probe+0xcd/0xfd
    >>> > >  [<ffffffff812ce793>] ? driver_sysfs_add+0x4c/0x71
    >>> > >  [<ffffffff812ce95c>] driver_probe_device+0xde/0x1fe
    >>> > >  [<ffffffff812cead9>] __driver_attach+0x5d/0x81
    >>> > >  [<ffffffff812cea7c>] ? __driver_attach+0x0/0x81
    >>> > >  [<ffffffff812cdded>] bus_for_each_dev+0x59/0x8e
    >>> > >  [<ffffffff812ce6f2>] driver_attach+0x1e/0x20
    >>> > >  [<ffffffff812ce330>] bus_add_driver+0xd8/0x240
    >>> > >  [<ffffffff812cedcb>] driver_register+0x9d/0x10e
    >>> > >  [<ffffffff8122f969>] __pci_register_driver+0x68/0xd8
    >>> > >  [<ffffffff81439aa2>] ? printk+0x41/0x47
    >>> > >  [<ffffffffa00f7000>] ? radeon_init+0x0/0xc1 [radeon]
    >>> > >  [<ffffffffa0018eb3>] drm_init+0x75/0xdb [drm]
    >>> > >  [<ffffffffa00f7000>] ? radeon_init+0x0/0xc1 [radeon]
    >>> > >  [<ffffffffa00f70bf>] radeon_init+0xbf/0xc1 [radeon]
    >>> > >  [<ffffffff81002069>] do_one_initcall+0x5e/0x15e
    >>> > >  [<ffffffff81087788>] sys_init_module+0xd8/0x23a
    >>> > >  [<ffffffff81009bf2>] system_call_fastpath+0x16/0x1b
    >>> > > Code: 01 00 00 00 31 c0 48 83 c4 38 5b 41 5c 41 5d 41 5e 41 5f c9 c3 55 48 89 e5
    >>> > >  41 57 41 56 41 55 41 54 53 48 83 ec 18 0f 1f 44 00 00 <4c> 8b 27 48 89 fb 41 88
    >>> > >  f5 41 88 d6 41 88 cf 44 89 45 c8 49 81
    >>> > > RIP  [<ffffffffa0061034>] ttm_bo_reserve+0x16/0xf8 [ttm]
    >>> > >  RSP <ffff8801a1a8fb68>
    >>> > > CR2: 0000000000000048
    >>> > > ---[ end trace 604e2e318733e108 ]---
    >>> > > udevd-work[166]: '/sbin/modprobe -b pci:v00001002d00009498sv00001043sd00000300bc
    >>> > > 03sc00i00' unexpected exit with status 0x0009
    >>> > >
    >>> > >
    >>> >
    >>> > I forgot to mention that this is kernel version 2.6.33-rc4.
    >>> >
    >>> > Thanks.
    >>>
    >>> Yes, we didn't paid enough attention to failure path :( Sorry for that
    >>> Fix should be in next rc, patch is:
    >>> http://git.kernel.org/?p=linux/kernel/git/airlied/drm-2.6.git;a=commit;h=30d2d9a54d48e4fefede0389ded1b6fc2d44a522
    >>>
    >>
    >> I think your fix didn't make it to 2.6.33-rc5 because I'm still oopsing
    >> when I don't grab the firmware from the internet. (instead of merely
    >> reverting to vga mode).
    >>
    >> Furthermore, why is the firmware not shipped with the kernel?
    >> I never needed to fetch firmware for the 2.6.31 kernels and my graphic
    >> card worked fine.
    >>
    >> Am I right to conclude that the license is a problem?
    >> http://people.freedesktop.org/~agd5f/radeon_ucode/LICENSE.radeon
    >>
    >> This is a huge step backwards if we are exchanging a working driver with
    >> what shipped with the linux kernel to one that only works with blobs that
    >> don't ship with the kernel.
    >
    > In general, microcode is slowly being moved out of the kernel and into
    > the Linux firmware tree:
    > http://git.kernel.org/?p=linux/kernel/git/dwmw2/linux-firmware.git;a=tree
    > Eventually all of the radeon microcode will end up out up in that tree.
    >

    Okay, but why are R600_rlc.bin R700_rlc.bin in particular missing
    from the firmware?
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