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SubjectRe: [OOPS] radeon kms


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.

Thanks

John


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