https://bugzilla.kernel.org/show_bug.cgi?id=213983 --- Comment #4 from Erhard F. (erhard_f@xxxxxxxxxxx) --- (In reply to Christian König from comment #3) > Well what happens here is that a buffer object is released while it is > pinned and TTM now warns about doing stuff like that. > > The key point is we need to figure out why the buffer is pinned in the first > place. > > One possibility is that it is used for scanout and containing the displayed > picture, but from the backtrace my guess is that the buffer is shared with a > different device and pinned because of that. > > Can we get an lspci output for the system? No prob. Changed the CPU to an A10-8750B meanwhile but the other hardware is the same as in the original report. # lspci 00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 30h-3fh) Processor Root Complex 00:00.2 IOMMU: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 30h-3fh) I/O Memory Management Unit 00:01.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Kaveri [Radeon R7 Graphics] (rev d7) 00:01.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Kaveri HDMI/DP Audio Controller 00:02.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 30h-3fh) Processor Root Port 00:02.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Kaveri P2P Bridge for GFX PCIe Port [1:0] 00:03.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 30h-3fh) Processor Root Port 00:03.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 30h-3fh) Processor Root Port 00:03.4 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 30h-3fh) Processor Root Port 00:04.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 30h-3fh) Processor Root Port 00:10.0 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB XHCI Controller (rev 09) 00:10.1 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB XHCI Controller (rev 09) 00:11.0 SATA controller: Advanced Micro Devices, Inc. [AMD] FCH SATA Controller [AHCI mode] (rev 40) 00:12.0 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB OHCI Controller (rev 11) 00:12.2 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB EHCI Controller (rev 11) 00:13.0 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB OHCI Controller (rev 11) 00:13.2 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB EHCI Controller (rev 11) 00:14.0 SMBus: Advanced Micro Devices, Inc. [AMD] FCH SMBus Controller (rev 16) 00:14.3 ISA bridge: Advanced Micro Devices, Inc. [AMD] FCH LPC Bridge (rev 11) 00:14.4 PCI bridge: Advanced Micro Devices, Inc. [AMD] FCH PCI Bridge (rev 40) 00:14.5 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB OHCI Controller (rev 11) 00:15.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] Hudson PCI to PCI bridge (PCIE port 0) 00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 30h-3fh) Processor Function 0 00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 30h-3fh) Processor Function 1 00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 30h-3fh) Processor Function 2 00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 30h-3fh) Processor Function 3 00:18.4 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 30h-3fh) Processor Function 4 00:18.5 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 30h-3fh) Processor Function 5 01:00.0 USB controller: ASMedia Technology Inc. ASM2142 USB 3.1 Host Controller 02:00.0 USB controller: ASMedia Technology Inc. ASM1143 USB 3.1 Host Controller 03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 11) 05:00.0 Non-Volatile memory controller: Sandisk Corp WD Black SN750 / PC SN730 NVMe SSD -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.
