+ Chris, Somehow this message managed to dodge the mailing list? Regards, Joonas Quoting Dave Jones (2018-06-19 05:52:23) > The new DMA mapping debug option in 4.18-rc1 (CONFIG_DMA_API_DEBUG_SG) seems to dislike something about i915.. > > [ 1.203923] i915 0000:00:02.0: DMA-API: mapping sg segment longer than device claims to support [len=69632] [max=65536] > [ 1.203968] WARNING: CPU: 1 PID: 1 at lib/dma-debug.c:1301 debug_dma_map_sg+0x26f/0x3f0 > [ 1.203989] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.18.0-rc1 #1 > [ 1.204008] Hardware name: Shuttle Inc. SH87R/FH87, BIOS 2.03 06/19/2014 > [ 1.204025] RIP: 0010:debug_dma_map_sg+0x26f/0x3f0 > [ 1.204038] Code: 08 48 8b 54 24 10 4c 8b 5c 24 18 4c 8b 4c 24 20 8b 4c 24 2c 48 c7 c7 a8 80 01 99 4c 89 4c 24 10 4c 89 5c 24 08 e8 51 58 ca ff <0f> 0b 4c 8b 4c 24 10 4c 8b 5c 24 08 8b 35 e7 27 f6 00 85 f6 0f 85 > [ 1.204175] RSP: 0000:ffffa11a00023b10 EFLAGS: 00010246 > [ 1.204190] RAX: 0000000000000000 RBX: ffff9782d0922008 RCX: 0000000000000000 > [ 1.204207] RDX: 0000000000000001 RSI: ffffffff980b94cf RDI: ffffffff980b94cf > [ 1.204225] RBP: ffff9782d2b7c5e8 R08: 0000000000000001 R09: 0000000000000001 > [ 1.204242] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 > [ 1.204259] R13: 0000000000000001 R14: 0000000087654321 R15: ffff9782d57f58c8 > [ 1.204277] FS: 0000000000000000(0000) GS:ffff9782d6400000(0000) knlGS:0000000000000000 > [ 1.204296] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [ 1.204311] CR2: 0000000000000000 CR3: 000000013f224001 CR4: 00000000000606e0 > [ 1.204328] Call Trace: > [ 1.204340] i915_gem_gtt_prepare_pages+0x78/0xd0 > [ 1.204354] i915_gem_object_get_pages_gtt+0x3e9/0x790 > [ 1.204368] __i915_gem_object_get_pages+0x58/0x70 > [ 1.204382] i915_gem_object_set_to_gtt_domain+0x51/0x100 > [ 1.204398] intel_ring_context_pin+0xe4/0x230 > [ 1.204411] i915_request_alloc+0x51/0x400 > [ 1.204423] i915_gem_init+0x2c9/0x480 > [ 1.204436] i915_driver_load+0x9ad/0xec0 > [ 1.204449] ? _raw_spin_unlock_irqrestore+0x3f/0x70 > [ 1.204463] pci_device_probe+0xa8/0x130 > [ 1.204477] driver_probe_device+0x29d/0x330 > [ 1.204489] __driver_attach+0xc0/0xd0 > [ 1.204501] ? driver_probe_device+0x330/0x330 > [ 1.204514] bus_for_each_dev+0x6b/0xc0 > [ 1.204525] bus_add_driver+0x11d/0x210 > [ 1.204538] ? mipi_dsi_bus_init+0x11/0x11 > [ 1.204551] driver_register+0x5b/0xe0 > [ 1.204563] do_one_initcall+0x10b/0x345 > [ 1.204575] ? do_early_param+0x8e/0x8e > [ 1.204588] ? rcu_read_lock_sched_held+0x66/0x70 > [ 1.204602] ? do_early_param+0x8e/0x8e > [ 1.204613] kernel_init_freeable+0x1c6/0x24c > [ 1.204627] ? rest_init+0xc0/0xc0 > [ 1.204637] kernel_init+0xa/0x100 > [ 1.204648] ret_from_fork+0x3a/0x50 > [ 1.204659] irq event stamp: 1452970 > [ 1.204672] hardirqs last enabled at (1452969): [<ffffffff980b8c47>] console_unlock+0x4f7/0x680 > [ 1.204693] hardirqs last disabled at (1452970): [<ffffffff98a01036>] error_entry+0x86/0x100 > [ 1.204715] softirqs last enabled at (1448282): [<ffffffff98c00409>] __do_softirq+0x409/0x551 > [ 1.204737] softirqs last disabled at (1448143): [<ffffffff9805e9a5>] irq_exit+0xc5/0xd0 > [ 1.204804] ---[ end trace e7fa4b5bd5f1190a ]--- > _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
