Message-ID: <alpine.LFD.2.00.1001261808080.9499@localhost.localdomain>
Date:	Tue, 26 Jan 2010 18:12:58 +0100 (CET)
From:	John Kacur <jkacur@...hat.com>
To:	Gene Heskett <gene.heskett@...izon.net>
cc:	Jerome Glisse <glisse@...edesktop.org>,
	Dave Airlie <airlied@...hat.com>,
	Thomas Hellstrom <thellstrom@...are.com>,
	dri-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org
Subject: Re: [OOPS] radeon kms


On Tue, 26 Jan 2010, Gene Heskett wrote:

> On Tuesday 26 January 2010, John Kacur wrote:
> >On Tue, Jan 26, 2010 at 2:59 PM, Alex Deucher <alexdeucher@...il.com> wrote:
> >> On Tue, Jan 26, 2010 at 8:21 AM, John Kacur <jkacur@...hat.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?
> 
> They are not missing, IF you captured and saved them when they were announced 
> on this list, circa about a year ago I believe. According to an ls -l in the 
> /lib/firmware/radeon directory that was late in 2008 when the originals were 
> transmitted, but I see that many of mine, including the first of those 2 
> files is now carrying a Dec 25, 2009 date.
> 
> However, I don't have the R700_rlc.bin as mine is an HD2400 Pro, an rv610, 
> for which development seems to be frozen.  Its working, _most_ of the time 
> but its not a speed demon either...  Biggest problem is un-controllable 
> screen blanking occasionally, and only a reboot will fix it.
> 
> Rafael is tracking that bug.
> 
> My kernel building scripts have been copying /lib/firmware/radeon into the 
> kernel tree, and include a make firmware-install stage.  I have NDI how a 
> normal 'make install' handles that.  My way seems to work. :)
> 
> -- 
> Cheers, Gene

Hi Gene.

Thank you for your reponses, but please don't drop everyone from the cc 
list. Forwarding this with the original cc list.

John
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