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f9dbefa884
DCN301 needs to use dmub create abm instance instead of dce. [ 1138.854204] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 1138.854206] #PF: supervisor instruction fetch in kernel mode [ 1138.854207] #PF: error_code(0x0010) - not-present page [ 1138.854208] PGD 0 P4D 0 [ 1138.854212] Oops: 0010 [#1] SMP NOPTI [ 1138.854216] CPU: 6 PID: 1240 Comm: modprobe Tainted: G W OE 5.9.0-rc2-custom #1 [ 1138.854217] Hardware name: AMD Chachani-VN/Chachani-VN, BIOS BAerithA104 10/01/2020 [ 1138.854221] RIP: 0010:0x0 [ 1138.854224] Code: Bad RIP value. [ 1138.854226] RSP: 0018:ffffc90001c4f638 EFLAGS: 00010286 [ 1138.854228] RAX: 0000000000000000 RBX: ffff88804f2b2800 RCX: ffffc90001c4f740 [ 1138.854229] RDX: 00000000000000e8 RSI: ffffc90001c4f640 RDI: ffff88805816f300 [ 1138.854230] RBP: ffffc90001c4f850 R08: ffffc90001c4f644 R09: ffffc90001c4f654 [ 1138.854231] R10: ffffc90001c4f72c R11: ffffc90001c4f740 R12: ffffc90001c4f640 [ 1138.854232] R13: ffffc90001c4f728 R14: 0000000000000000 R15: ffff888007296381 [ 1138.854235] FS: 00007f5f44d84540(0000) GS:ffff88805e380000(0000) knlGS:0000000000000000 [ 1138.854236] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1138.854237] CR2: ffffffffffffffd6 CR3: 00000000194f4000 CR4: 0000000000050ee0 [ 1138.854239] Call Trace: [ 1138.854447] dmub_init_abm_config+0x220/0x267 [amdgpu] [ 1138.854654] dm_late_init+0x197/0x1ad [amdgpu] [ 1138.854846] ? dm_late_init+0x197/0x1ad [amdgpu] [ 1138.854999] amdgpu_device_ip_late_init+0x6f/0x21b [amdgpu] [ 1138.855148] amdgpu_device_init+0x1b7f/0x1cfb [amdgpu] [ 1138.855293] amdgpu_driver_load_kms+0x2c/0x26e [amdgpu] [ 1138.855437] amdgpu_pci_probe+0x1c7/0x249 [amdgpu] [ 1138.920489] local_pci_probe+0x48/0x80 [ 1138.920492] pci_device_probe+0x10f/0x1c0 Signed-off-by: Huang Rui <ray.huang@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> |
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| certs | ||
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| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.