Hi Shafiqul

Your compressed data for decompress OP doesn't include b-final bit in the last block.

May point to memory issue: cutting/garbage...

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îàú: Shafiqul Abedin <sabedin@us.ibm.com>
ðùìç: éåí çîéùé, 3 áîøõ 2022, 02:32
àì: dev@dpdk.org <dev@dpdk.org>
ðåùà: mlx5_pci Decompression Error

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Hi,
I am new to dpdk development in general and have been trying some development on Nvidia BF2 but ran into some problems. I am using Compress device: mlx5_pci to do compression/decompression and it appears that compression is fine but when I try to decompress, I get the following error:

mlx5_compress: Error cqe:
mlx5_compress: 00000000 00000000 00000000 00000000
mlx5_compress: 00000000 00000000 00000000 00000000
mlx5_compress: 00000000 00000000 00000000 00000000
mlx5_compress: 00000000 029D0011 D90E002F D25B0100
mlx5_compress:
Error wqe:
mlx5_compress: 2F010003 04D90E00 08000000 00000000
mlx5_compress: 00000000 D60D0600 01000000 00753D00
mlx5_compress: 62030000 D70E0600 01000000 00C33C00
mlx5_compress: 62030000 D70E0600 01000000 40243C00
mlx5_compress:
Error opaq:
mlx5_compress: 11010000 00000000 62030000 00000000
mlx5_compress: 85E04AE1 D9AEF314 DC727887 EE0BFC72
mlx5_compress: D062FF2C 692749AE 00000000 00000000
mlx5_compress: 00000000 00000000 00000000 00000000
mlx5_compress: 00000000 00000000 00000000 00000000
mlx5_compress: 00000000 00000000 00000000 00000000
mlx5_compress: 00000000 00000000 00000000 00000000
mlx5_compress: 00000000 00000000 00000000 00000000
mlx5_compress: 00000000 00000000 00000000 00000000
mlx5_compress: 00000000 00000000 00000000 00000000
mlx5_compress: 00000000 00000000 00000000 00000000
mlx5_compress: 00000000 00000000 00000000 00000000
mlx5_compress: 00000000 00000000 00000000 00000000
mlx5_compress: 00000000 00000000 00000000 00000000
mlx5_compress: 00000000 00000000 00000000 00000000
mlx5_compress: 00000000 00000000 00000000 00000000

Decompress OP status is 3 and the debug_status is 273. Not sure how to interpret this error. Any help in deciphering this would be greatly appreciated. I apologize for missing any critical information.

Shafiq

p.s.
MLNX_OFED_LINUX-5.5-0.5.0 (OFED-5.5-0.5.0)
mlnx-dpdk                          20.11.0-3.1.14.550500