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问题背景:
该驱动程序在内核目录 drivers/gpu/drm/amd/amdkfd,在 openEuler 2403 SP1 镜像中使用 7900xtx GPU 测试 ROCm 时会触发内核态错误,需要排查和修复该驱动对 RISC-V 架构的支持缺陷。
drivers/gpu/drm/amd/amdkfd
所需技能:
其它:
The text was updated successfully, but these errors were encountered:
LOONG: munmap(0x7ffff3805000, 4096) = 0 munmap(0x7ffff3808000, 8192) = 0 ioctl(3, AMDKFD_IOC_ALLOC_MEMORY_OF_GPU, 0x7ffffbc0d9f8) = 0 mmap(0x7ffff3806000, 8192, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED, 3 /dev/kfd, 0xecae800000000000) = 0x7ffff3806000 ioctl(3, AMDKFD_IOC_MAP_MEMORY_TO_GPU, 0x7ffffbc0da40) = 0 ioctl(3, AMDKFD_IOC_CREATE_EVENT, 0x7ffffbc0de00) = 0 ioctl(3, AMDKFD_IOC_CREATE_EVENT, 0x7ffffbc0de00) = 0 ioctl(3, AMDKFD_IOC_GET_CLOCK_COUNTERS, 0x7ffffbc0e180) = 0 RV: munmap(0x3fb36c1000, 4096) = 0 munmap(0x3fb36c4000, 8192) = 0 ioctl(3, AMDKFD_IOC_ALLOC_MEMORY_OF_GPU, 0x3ff04314d0) = 0 mmap(0x3fb36c2000, 8192, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED, 3 /dev/kfd, 0xef18800000000000) = -1 EOVERFLOW (Value too large for defined data type) 相关区域 Linux内核 mm/mmap.c drivers/gpu/drm/amd/amdkfd/kfd_chardev.c:kfd_mmap (KFD_MMAP_TYPE_DOORBELL) drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c:kfd_doorbell_mmap
上面是已知的部分信息,更多信息可以看 discord 群组里的讨论。 如果对相关驱动比较熟悉,可以重点看下 wptr 相关的部分,来自龙芯社区的老师分享的信息: https://elixir.bootlin.com/linux/v6.6.67/source/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c#L344
wptr
另外可以联系刘鑫老师申请远程调试环境
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说明
问题背景:
该驱动程序在内核目录
drivers/gpu/drm/amd/amdkfd
,在 openEuler 2403 SP1 镜像中使用 7900xtx GPU 测试 ROCm 时会触发内核态错误,需要排查和修复该驱动对 RISC-V 架构的支持缺陷。所需技能:
其它:
The text was updated successfully, but these errors were encountered: