Re: WARNING: at drivers/gpu/drm/radeon/radeon_object.c:236

From: Benjamin Herrenschmidt
Date: Tue Mar 27 2012 - 02:21:57 EST

On Mon, 2012-03-26 at 17:32 -0400, Dave Jones wrote:
> Seeing this in Linus' tree as of v3.3-6972-ge22057c

Same WARN_ON hit here on a G5 with rv350

Cheers,
Ben.

> [ 5.244938] [drm] Initialized drm 1.1.0 20060810
> [ 5.317257] console_init used greatest stack depth: 4616 bytes left
> [ 5.369057] [drm] radeon defaulting to kernel modesetting.
> [ 5.374833] [drm] radeon kernel modesetting enabled.
> [ 5.384614] [drm] initializing kernel modesetting (RV380 0x1002:0x5B60 0x1002:0x0302).
> [ 5.392789] [drm] register mmio base: 0xC8210000
> [ 5.397689] [drm] register mmio size: 65536
> [ 5.402820] [drm] Generation 2 PCI interface, using max accessible memory
> [ 5.409659] radeon 0000:01:00.0: VRAM: 128M 0x00000000C0000000 - 0x00000000C7FFFFFF (128M used)
> [ 5.418416] radeon 0000:01:00.0: GTT: 512M 0x00000000A0000000 - 0x00000000BFFFFFFF
> [ 5.426322] [drm] Supports vblank timestamp caching Rev 1 (10.10.2010).
> [ 5.432970] [drm] Driver supports precise vblank timestamp query.
> [ 5.439350] radeon 0000:01:00.0: irq 45 for MSI/MSI-X
> [ 5.439501] radeon 0000:01:00.0: radeon: using MSI.
> [ 5.444802] [drm] radeon: irq initialized.
> [ 5.450415] [drm] Detected VRAM RAM=128M, BAR=128M
> [ 5.455304] [drm] RAM width 64bits DDR
> [ 5.459839] [TTM] Zone kernel: Available graphics memory: 1531086 kiB
> [ 5.466424] [TTM] Initializing pool allocator
> [ 5.470969] [TTM] Initializing DMA pool allocator
> [ 5.476543] [drm] radeon: 128M of VRAM memory ready
> [ 5.481475] [drm] radeon: 512M of GTT memory ready.
> [ 5.486861] [drm] GART: num cpu pages 131072, num gpu pages 131072
> [ 5.494094] [drm] radeon: ib pool ready.
> [ 5.500719] [drm] radeon: 1 quad pipes, 1 Z pipes initialized.
> [ 5.507468] [drm] PCIE GART of 512M enabled (table at 0x00000000C0040000).
> [ 5.514678] radeon 0000:01:00.0: WB enabled
> [ 5.518901] [drm] fence driver on ring 0 use gpu addr 0xa0000000 and cpu addr 0xffff8800b3ab7000
> [ 5.528486] [drm] Loading R300 Microcode
> [ 5.549168] [drm] radeon: ring at 0x00000000A0001000
> [ 5.554264] [drm] ring test succeeded in 0 usecs
> [ 5.562762] [drm] ib test succeeded in 0 usecs
> [ 5.573542] [drm] Radeon Display Connectors
> [ 5.577880] [drm] Connector 0:
> [ 5.580973] [drm] VGA
> [ 5.583475] [drm] DDC: 0x60 0x60 0x60 0x60 0x60 0x60 0x60 0x60
> [ 5.589516] [drm] Encoders:
> [ 5.592522] [drm] CRT1: INTERNAL_DAC1
> [ 5.596581] [drm] Connector 1:
> [ 5.599678] [drm] DVI-I
> [ 5.602337] [drm] HPD1
> [ 5.604925] [drm] DDC: 0x64 0x64 0x64 0x64 0x64 0x64 0x64 0x64
> [ 5.610963] [drm] Encoders:
> [ 5.613983] [drm] CRT2: INTERNAL_DAC2
> [ 5.618029] [drm] DFP1: INTERNAL_TMDS1
> [ 5.622170] [drm] Connector 2:
> [ 5.625276] [drm] S-video
> [ 5.628111] [drm] Encoders:
> [ 5.631117] [drm] TV1: INTERNAL_DAC2
> [ 5.716973] [drm] fb mappable at 0xC00C0000
> [ 5.721195] [drm] vram apper at 0xC0000000
> [ 5.725343] [drm] size 7057408
> [ 5.728439] [drm] fb depth is 24
> [ 5.731703] [drm] pitch is 6720
> [ 5.736460] fbcon: radeondrmfb (fb0) is primary device
> [ 5.744023] ------------[ cut here ]------------
> [ 5.744054] WARNING: at drivers/gpu/drm/radeon/radeon_object.c:236 radeon_bo_pin_restricted+0x140/0x170 [radeon]()
> [ 5.744056] Hardware name:
> [ 5.744057] Modules linked in: radeon(+) ttm drm_kms_helper drm i2c_algo_bit i2c_core
> [ 5.744065] Pid: 113, comm: modprobe Not tainted 3.3.0+ #18
> [ 5.744066] Call Trace:
> [ 5.744072] [<ffffffff81047edf>] warn_slowpath_common+0x7f/0xc0
> [ 5.744075] [<ffffffff81047f3a>] warn_slowpath_null+0x1a/0x20
> [ 5.744092] [<ffffffffa00b89b0>] radeon_bo_pin_restricted+0x140/0x170 [radeon]
> [ 5.744109] [<ffffffffa00bb8f9>] radeon_crtc_do_set_base+0xd9/0x530 [radeon]
> [ 5.744114] [<ffffffff810b4d1d>] ? trace_hardirqs_on+0xd/0x10
> [ 5.744131] [<ffffffffa00bbd8a>] radeon_crtc_set_base+0x1a/0x20 [radeon]
> [ 5.744147] [<ffffffffa00bbdb9>] radeon_crtc_mode_set+0x29/0x8f0 [radeon]
> [ 5.744164] [<ffffffffa00b182c>] ? radeon_combios_encoder_dpms_scratch_regs+0xac/0xc0 [radeon]
> [ 5.744181] [<ffffffffa00bb6d8>] ? radeon_crtc_dpms+0x138/0x1c0 [radeon]
> [ 5.744186] [<ffffffffa0069f1e>] drm_crtc_helper_set_mode+0x38e/0x520 [drm_kms_helper]
> [ 5.744190] [<ffffffff8118ac9c>] ? deactivate_slab+0x55c/0x600
> [ 5.744195] [<ffffffffa006af8f>] drm_crtc_helper_set_config+0x85f/0xb10 [drm_kms_helper]
> [ 5.744199] [<ffffffffa0068a97>] drm_fb_helper_set_par+0x77/0xf0 [drm_kms_helper]
> [ 5.744203] [<ffffffff81365194>] fbcon_init+0x534/0x5c0
> [ 5.744207] [<ffffffff813ca95d>] visual_init+0xfd/0x2b0
> [ 5.744209] [<ffffffff813cae38>] bind_con_driver+0x328/0x7d0
> [ 5.744213] [<ffffffff812239f6>] ? sysfs_create_file+0x26/0x30
> [ 5.744216] [<ffffffff813cbc91>] take_over_console+0x61/0x70
> [ 5.744218] [<ffffffff81360d5b>] fbcon_takeover+0x5b/0xb0
> [ 5.744221] [<ffffffff81365d25>] fbcon_event_notify+0x655/0x760
> [ 5.744224] [<ffffffff8165e067>] notifier_call_chain+0x67/0x160
> [ 5.744227] [<ffffffff81078ae2>] __blocking_notifier_call_chain+0x72/0xd0
> [ 5.744230] [<ffffffff81078b56>] blocking_notifier_call_chain+0x16/0x20
> [ 5.744233] [<ffffffff8135433b>] fb_notifier_call_chain+0x1b/0x20
> [ 5.744236] [<ffffffff813559d8>] register_framebuffer+0x1c8/0x300
> [ 5.744240] [<ffffffffa0068cc3>] drm_fb_helper_single_fb_probe+0x1b3/0x300 [drm_kms_helper]
> [ 5.744244] [<ffffffffa0068fe3>] drm_fb_helper_initial_config+0x1d3/0x250 [drm_kms_helper]
> [ 5.744247] [<ffffffff8118c63e>] ? kmem_cache_alloc_trace+0xde/0x2a0
> [ 5.744250] [<ffffffffa006929f>] ? drm_fb_helper_single_add_all_connectors+0x4f/0x180 [drm_kms_helper]
> [ 5.744269] [<ffffffffa00c9c87>] radeon_fbdev_init+0xc7/0x110 [radeon]
> [ 5.744287] [<ffffffffa00c4dff>] radeon_modeset_init+0x31f/0x7d0 [radeon]
> [ 5.744303] [<ffffffffa00a25b5>] radeon_driver_load_kms+0x115/0x1a0 [radeon]
> [ 5.744315] [<ffffffffa00257c1>] drm_get_pci_dev+0x191/0x2a0 [drm]
> [ 5.744331] [<ffffffffa0115652>] ? radeon_pci_probe+0x9a/0xb4 [radeon]
> [ 5.744347] [<ffffffffa0115664>] radeon_pci_probe+0xac/0xb4 [radeon]
> [ 5.744351] [<ffffffff8133a37c>] local_pci_probe+0x5c/0xd0
> [ 5.744354] [<ffffffff8133bc81>] pci_device_probe+0x101/0x120
> [ 5.744358] [<ffffffff813eddd8>] driver_probe_device+0x98/0x3a0
> [ 5.744361] [<ffffffff813ee18b>] __driver_attach+0xab/0xb0
> [ 5.744364] [<ffffffff813ee0e0>] ? driver_probe_device+0x3a0/0x3a0
> [ 5.744367] [<ffffffff813ebefe>] bus_for_each_dev+0x5e/0x90
> [ 5.744370] [<ffffffff813ed82e>] driver_attach+0x1e/0x20
> [ 5.744372] [<ffffffff813ed360>] bus_add_driver+0x1c0/0x2b0
> [ 5.744375] [<ffffffff813ee6f6>] driver_register+0x76/0x130
> [ 5.744379] [<ffffffff81321c68>] ? __raw_spin_lock_init+0x38/0x70
> [ 5.744382] [<ffffffff8133b946>] __pci_register_driver+0x66/0xe0
> [ 5.744389] [<ffffffffa00259ea>] drm_pci_init+0x11a/0x130 [drm]
> [ 5.744391] [<ffffffffa0163000>] ? 0xffffffffa0162fff
> [ 5.744394] [<ffffffffa0163000>] ? 0xffffffffa0162fff
> [ 5.744406] [<ffffffffa01630ec>] radeon_init+0xec/0x1000 [radeon]
> [ 5.744409] [<ffffffff810001cf>] do_one_initcall+0x3f/0x170
> [ 5.744413] [<ffffffff810c3840>] sys_init_module+0xc0/0x230
> [ 5.744416] [<ffffffff81662492>] system_call_fastpath+0x16/0x1b
> [ 5.744418] ---[ end trace 7e4f3033b847a3dd ]---
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at http://www.tux.org/lkml/


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/