Bug 1186338

Summary:	DMA-API: device driver failed to check map error
Product:	[Fedora] Fedora	Reporter:	Morten Stevens <ms>
Component:	kernel	Assignee:	Kernel Maintainer List <kernel-maint>
Status:	CLOSED DUPLICATE	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	unspecified	Docs Contact:
Priority:	unspecified
Version:	22	CC:	gansalmon, itamar, jonathan, kernel-maint, madhu.chinakonda, mchehab
Target Milestone:	---
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2015-03-10 12:31:21 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Morten Stevens 2015-01-27 13:26:58 UTC

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

Comment 1 Jaroslav Reznik 2015-03-03 16:46:43 UTC

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

Comment 2 Josh Boyer 2015-03-10 12:31:21 UTC


*** This bug has been marked as a duplicate of bug 926917 ***