Description of problem: DMA-API: device driver failed to check map error Version-Release number of selected component (if applicable): 3.19.0-0.rc5.git2.1.fc22.x86_64 Actual results: [ 3.980865] ------------[ cut here ]------------ [ 3.980873] WARNING: CPU: 0 PID: 0 at lib/dma-debug.c:1153 check_unmap+0x4ee/0x9e0() [ 3.980876] vmw_pvscsi 0000:03:00.0: DMA-API: device driver failed to check map error[device address=0x00000000bb75d080] [size=96 bytes] [mapped as single] [ 3.980877] Modules linked in: [ 3.980878] vmw_pvscsi vmwgfx(+) drm_kms_helper ttm drm ata_generic pata_acpi [ 3.980885] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.19.0-0.rc5.git2.1.fc22.x86_64 #1 [ 3.980886] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 05/20/2014 [ 3.980887] 0000000000000000 fd921eca07bdce5c ffff88012b603b88 ffffffff8186d807 [ 3.980907] 0000000000000000 ffff88012b603be0 ffff88012b603bc8 ffffffff810aca0a [ 3.980910] ffff88012b603bf8 ffff8801298c7e00 ffff8800bbb126b0 ffffffff8347b350 [ 3.980912] Call Trace: [ 3.980914] <IRQ> [<ffffffff8186d807>] dump_stack+0x4c/0x65 [ 3.980921] [<ffffffff810aca0a>] warn_slowpath_common+0x8a/0xc0 [ 3.980923] [<ffffffff810aca95>] warn_slowpath_fmt+0x55/0x70 [ 3.980925] [<ffffffff81450fa5>] ? check_unmap+0x35/0x9e0 [ 3.980927] [<ffffffff8145145e>] check_unmap+0x4ee/0x9e0 [ 3.980930] [<ffffffff814519ef>] debug_dma_unmap_page+0x9f/0xb0 [ 3.980934] [<ffffffffa005f6aa>] pvscsi_unmap_buffers.isra.14+0x11a/0x1f0 [vmw_pvscsi] [ 3.980936] [<ffffffffa005f84c>] pvscsi_process_completion_ring+0xcc/0x320 [vmw_pvscsi] [ 3.980939] [<ffffffffa005fb4d>] ? pvscsi_isr+0x2d/0xb0 [vmw_pvscsi] [ 3.980941] [<ffffffffa005fb4d>] ? pvscsi_isr+0x2d/0xb0 [vmw_pvscsi] [ 3.980943] [<ffffffffa005fb58>] pvscsi_isr+0x38/0xb0 [vmw_pvscsi] [ 3.980947] [<ffffffff811223d0>] handle_irq_event_percpu+0x40/0x4f0 [ 3.980949] [<ffffffff811228c1>] handle_irq_event+0x41/0x70 [ 3.980951] [<ffffffff81125bae>] handle_edge_irq+0x6e/0x120 [ 3.980956] [<ffffffff81020a44>] handle_irq+0x74/0x140 [ 3.980960] [<ffffffff8187a7df>] do_IRQ+0x4f/0xf0 [ 3.980963] [<ffffffff81878432>] common_interrupt+0x72/0x72 [ 3.980964] <EOI> [<ffffffff810eada5>] ? local_clock+0x25/0x30 [ 3.980970] [<ffffffff8106bf16>] ? native_safe_halt+0x6/0x10 [ 3.980975] [<ffffffff8110a3dd>] ? trace_hardirqs_on+0xd/0x10 [ 3.980977] [<ffffffff81029dd3>] default_idle+0x23/0x230 [ 3.980980] [<ffffffff8102a97f>] arch_cpu_idle+0xf/0x20 [ 3.980982] [<ffffffff8110063a>] cpu_startup_entry+0x36a/0x5b0 [ 3.980985] [<ffffffff818603c8>] rest_init+0x138/0x140 [ 3.980989] [<ffffffff821cd060>] start_kernel+0x4d8/0x4f9 [ 3.980991] [<ffffffff821cc120>] ? early_idt_handlers+0x120/0x120 [ 3.980993] [<ffffffff821cc4d7>] x86_64_start_reservations+0x2a/0x2c [ 3.980995] [<ffffffff821cc62b>] x86_64_start_kernel+0x152/0x175 [ 3.980997] ---[ end trace 4e08d6501bfe6544 ]--- [ 3.980998] Mapped at: [ 3.980999] [<ffffffff8144fff9>] debug_dma_map_page+0x89/0x150 [ 3.981001] [<ffffffffa006187e>] pvscsi_queue+0x27e/0x897 [vmw_pvscsi] [ 3.981003] [<ffffffff815b2af9>] scsi_dispatch_cmd+0x119/0x600 [ 3.981006] [<ffffffff815b3fa5>] scsi_request_fn+0x4c5/0x6e0 [ 3.981008] [<ffffffff813e6ac7>] __blk_run_queue+0x37/0x50 Expected results: no error
This bug appears to have been reported against 'rawhide' during the Fedora 22 development cycle. Changing version to '22'. More information and reason for this action is here: https://fedoraproject.org/wiki/Fedora_Program_Management/HouseKeeping/Fedora22
*** This bug has been marked as a duplicate of bug 926917 ***