ikwzm udmabuf issues - Githubissues

ikwzm / udmabuf

User space mappable dma buffer device driver for Linux.

BSD 2-Clause "Simplified" License

532 stars 163 forks source link

issues

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Difference with upstream driver

#118 enceladus13 opened 1 week ago
3
Cannot write mmap'ed buffer content to disk using O_DIRECT flag

#117 iMineLink opened 1 month ago
6
Xilinx Zynqmp: The read data is inconsistent with the data written by the PL

#116 zhanghongg opened 4 months ago
47
name conflict with udmabuf driver in mainline linux

#115 mvduin closed 7 months ago
1
udmabuf can't be build on kernel >= 6.6.0

#114 stan-servaenergy closed 7 months ago
1
Update to reflect kernel API change post v. 6.4.0

#113 bcattle closed 10 months ago
1
Do you plan support for versal devices?

#112 alexantwi opened 11 months ago
1
Using udmabuf on linux zynq7020

#111 lone-boy closed 11 months ago
3
Once the creation of a device fails, a device with the same name cannot be created.

#110 ikwzm closed 11 months ago
0
AXI MCDMA support?

#109 Livius90 closed 12 months ago
6
Doubts with DMA coherency mode and quirk-mmap

#108 ALIBERA closed 12 months ago
5
Could this be used with V4L2/libcamera buffers on the Raspberry Pi 4 (Arm A72)

#107 octopus-russell opened 1 year ago
6
PetaLinux 2023.1 / Yocto Langdale build - no .ko files are installed, thus no package is created

#106 DavidAntliff closed 1 year ago
12
Build failure since kernel v6.3

#105 florisch closed 1 year ago
1
Unsupported node format error in Dmesg

#104 noelpedro closed 1 year ago
6
memory-region

#103 noelpedro closed 1 year ago
4
In Python test code there is a typo

#102 sapertuz closed 1 year ago
3
Cache coherency problem on ARM in u-dma-buf 4.4.0

#101 ikwzm closed 1 year ago
0
Unusual issue when mmapping udmabuf for network transfer

#100 DavidAntliff closed 1 year ago
6
> I ran into the same issue on an x86_64 and it was fixed by changing the dma_mask_bit module parameter like so: `insmod udmabuf.ko dma_mask_bit=64 udmabuf0=8388608`

#99 bipingamiyv opened 1 year ago
1
Attempting to allocate a large buffer in the CMA area of reserved_memory fails to allocate pages

#98 ikwzm opened 1 year ago
2
Read()/Write() performance

#97 Hello-FPGA closed 1 year ago
8
The reserved space is used to expand the CMA space, and the u-dma-buf driver cannot be used normally

#96 Noah-naihe opened 1 year ago
5
About the data consistency problem of udmabuf

#95 Noah-naihe closed 1 year ago
2
Zynq Ultrascale+ (ARM Cortex A-53) Kernel 5.15.19 problem

#94 oguzhancik opened 1 year ago
4
udmabuf at fixed physical address in linux x86

#93 njsys opened 1 year ago
1
Export symbols / Allow calls from other modules

#92 kevin-servaenergy closed 1 year ago
5
u-dma-buf_test missing stdlib, unistd and time headers

#91 darko31 closed 1 year ago
1
Correct typos in Readme

#90 felixonmars closed 1 year ago
1
u-dma-buf: Handle device properties with software node API

#89 fcuzzocrea closed 1 year ago
1
dma_alloc_coherent(size=16777216) failed. return(0)

#88 azAghaee closed 1 year ago
6
support for microblaze ?

#87 doonny closed 2 years ago
8
How about using one same device node such as udmabuf0 in two different processes

#86 Homio closed 1 year ago
2
x86_64 support ? compile error

#85 gadh closed 1 year ago
1
udmabuf write issue from firmware/pci

#84 njsys opened 2 years ago
4
include file error. Basic build usage question

#83 njsys closed 2 years ago
9
typo in sync_for_cpu sample in documentation?

#82 5p00kk closed 2 years ago
3
Allocating multiple DMA buffers but not in a single parse

#81 rajatkha opened 2 years ago
3
kernel 5.10 support

#80 Tobinjh closed 2 years ago
2
(Again) memory cache management and coherency

#79 pmdaye opened 3 years ago
7
Selected processor does not support 'isb' in ARM mode

#78 alexis031182 closed 3 years ago
2
Strange memory errors

#77 Anthonywolfe closed 3 years ago
5
Regarding Manual cache management with the CPU cache still being enabled

#76 balaji-ch opened 3 years ago
3
Check for contiguity

#75 balaji-ch opened 3 years ago
4
Zynq u-dma-buf with DMA

#74 gtortone opened 3 years ago
5
memory-region property how to use it?

#73 balaji-ch opened 3 years ago
1
Update read me for sizes more than 4MiB

#72 balaji-ch opened 3 years ago
1
Use MAKE variable for recursive invocations

#71 gpanders closed 3 years ago
1
petalinux2020.2 do not work with u-dma-buf

#70 roundchen opened 3 years ago
2
Setting dma-coherent on devices created through /dev/u-dma-buf-mgr

#69 lucasbrasilino opened 3 years ago
4