[Bug 215740] kernel warning: DMA-API: xhci_hcd: cacheline tracking EEXIST, overlapping mappings aren't supported

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https://bugzilla.kernel.org/show_bug.cgi?id=215740

--- Comment #18 from Ferry Toth (ferry.toth@xxxxxxxxxxxx) ---
Hi Alan, would you know why your patches won't apply using git to v6.6? I fixed
up manually. Results of Revised diagnostics attachment 305444 below:

------------[ cut here ]------------
DMA-API: dwc3 dwc3.0.auto: cacheline tracking EEXIST, overlapping mappings
aren't supported, len 4
WARNING: CPU: 0 PID: 7 at kernel/dma/debug.c:607 add_dma_entry+0x207/0x2c0
Modules linked in: rfcomm bnep iptable_nat snd_sof_nocodec spi_pxa2xx_platform
dw_dmac brcmfmac_wcc snd_sof_pci_intel_tng snd_sof_pci snd_sof_intel_atom
pwm_lpss>
CPU: 0 PID: 7 Comm: kworker/0:0 Not tainted 6.6.0-edison-acpi-standard+ #1
Hardware name: Intel Corporation Merrifield/BODEGA BAY, BIOS 542
2015.01.21:18.19.48
Workqueue: usb_hub_wq hub_event
RIP: 0010:add_dma_entry+0x207/0x2c0
Code: c8 00 00 00 4c 8b 67 50 4d 85 e4 75 03 4c 8b 27 e8 fe a3 6a 00 48 89 c6
4c 89 e9 4c 89 e2 48 c7 c7 a8 1d 9a 99 e8 69 ac f5 ff <0f> 0b 48 85 db 74 1a 48
c7 >
RSP: 0018:ffffa4de00043ab0 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff9c5f01376e80 RCX: 0000000000000027
RDX: ffff9c5f3e21c5c8 RSI: 0000000000000001 RDI: ffff9c5f3e21c5c0
RBP: 00000000ffffffff R08: ffffffff99d431e8 R09: 00000000ffffdfff
R10: ffffffff99c63200 R11: ffffffff99d13200 R12: ffff9c5f012375f0
R13: 0000000000000004 R14: 0000000000000206 R15: 00000000001eb8d2
FS:  0000000000000000(0000) GS:ffff9c5f3e200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f57691956b0 CR3: 000000003682e000 CR4: 00000000001006f0
Call Trace:
 <TASK>
 ? __warn+0x84/0x140
 ? add_dma_entry+0x207/0x2c0
 ? report_bug+0x199/0x1b0
 ? handle_bug+0x3c/0x70
 ? exc_invalid_op+0x18/0x70
 ? asm_exc_invalid_op+0x1a/0x20
 ? add_dma_entry+0x207/0x2c0
 dma_map_page_attrs+0x10a/0x280
 usb_hcd_map_urb_for_dma+0x46f/0x650
 usb_hcd_submit_urb+0xa0/0xaa0
 ? kick_hub_wq+0x69/0xf0
 ? hub_activate+0x2c3/0x890
 ? usb_disable_remote_wakeup+0x34/0x70
 usb_start_wait_urb+0x65/0x100
 usb_control_msg+0xe5/0x150
 hub_ext_port_status+0x8a/0x1b0
 hub_event+0x1d1/0x18e0
 ? trace_hardirqs_on+0x21/0x90
 process_one_work+0x139/0x2f0
 worker_thread+0x2f4/0x400
 ? __pfx_worker_thread+0x10/0x10
 kthread+0xe6/0x120
 ? __pfx_kthread+0x10/0x10
 ret_from_fork+0x34/0x50
 ? __pfx_kthread+0x10/0x10
 ret_from_fork_asm+0x1b/0x30
 </TASK>
---[ end trace 0000000000000000 ]---
DMA-API: Mapped at:
 debug_dma_map_page+0x6d/0x100
 dma_map_page_attrs+0x10a/0x280
 usb_hcd_map_urb_for_dma+0x46f/0x650
 usb_hcd_submit_urb+0xa0/0xaa0
 usb_start_wait_urb+0x65/0x100
Map error: 128857248 128857248 len 4
Map error: 128857248 128857248 len 4
usb 1-1.1: new low-speed USB device number 3 using xhci-hcd
Map error: 128857248 128857248 len 4
usb 1-1.1: New USB device found, idVendor=046d, idProduct=c03e, bcdDevice=20.00
usb 1-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
usb 1-1.1: Product: USB-PS/2 Optical Mouse
usb 1-1.1: Manufacturer: Logitech
input: Logitech USB-PS/2 Optical Mouse as
/devices/pci0000:00/0000:00:11.0/dwc3.0.auto/xhci-hcd.1.auto/usb1/1-1/1-1.1/1-1.1:1.0/0003:046D:C03E.0001/input/input1
hid-generic 0003:046D:C03E.0001: input,hidraw0: USB HID v1.10 Mouse [Logitech
USB-PS/2 Optical Mouse] on usb-xhci-hcd.1.auto-1.1/input0

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