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1545fbf97e
Remove the private obj from the internal list before we free aconnector. [ 56.925828] BUG: unable to handle page fault for address: ffff8f84a870a560 [ 56.933272] #PF: supervisor read access in kernel mode [ 56.938801] #PF: error_code(0x0000) - not-present page [ 56.944376] PGD 18e605067 P4D 18e605067 PUD 86a614067 PMD 86a4d0067 PTE 800ffff8578f5060 [ 56.953260] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC NOPTI [ 56.958815] CPU: 6 PID: 1407 Comm: bash Tainted: G O 5.9.0-rc2+ #46 [ 56.967092] Hardware name: System manufacturer System Product Name/PRIME Z390-A, BIOS 1401 11/26/2019 [ 56.977162] RIP: 0010:__list_del_entry_valid+0x31/0xa0 [ 56.982768] Code: 00 ad de 55 48 8b 17 4c 8b 47 08 48 89 e5 48 39 c2 74 27 48 b8 22 01 00 00 00 00 ad de 49 39 c0 74 2d 49 8b 30 48 39 fe 75 3d <48> 8b 52 08 48 39 f2 75 4c b8 01 00 00 00 5d c3 48 89 7 [ 57.003327] RSP: 0018:ffffb40c81687c90 EFLAGS: 00010246 [ 57.009048] RAX: dead000000000122 RBX: ffff8f84ea41f4f0 RCX: 0000000000000006 [ 57.016871] RDX: ffff8f84a870a558 RSI: ffff8f84ea41f4f0 RDI: ffff8f84ea41f4f0 [ 57.024672] RBP: ffffb40c81687c90 R08: ffff8f84ea400998 R09: 0000000000000001 [ 57.032490] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000006 [ 57.040287] R13: ffff8f84ea422a90 R14: ffff8f84b4129a20 R15: fffffffffffffff2 [ 57.048105] FS: 00007f550d885740(0000) GS:ffff8f8509600000(0000) knlGS:0000000000000000 [ 57.056979] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.063260] CR2: ffff8f84a870a560 CR3: 00000007e5144001 CR4: 00000000003706e0 [ 57.071053] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.078849] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.086684] Call Trace: [ 57.089381] drm_atomic_private_obj_fini+0x29/0x82 [drm] [ 57.095247] amdgpu_dm_fini+0x83/0x170 [amdgpu] [ 57.100264] dm_hw_fini+0x23/0x30 [amdgpu] [ 57.104814] amdgpu_device_fini+0x1df/0x4fe [amdgpu] [ 57.110271] amdgpu_driver_unload_kms+0x43/0x70 [amdgpu] [ 57.116136] amdgpu_pci_remove+0x3b/0x60 [amdgpu] [ 57.121291] pci_device_remove+0x3e/0xb0 [ 57.125583] device_release_driver_internal+0xff/0x1d0 [ 57.131223] device_release_driver+0x12/0x20 [ 57.135903] pci_stop_bus_device+0x70/0xa0 [ 57.140401] pci_stop_and_remove_bus_device_locked+0x1b/0x30 [ 57.146571] remove_store+0x7b/0x90 [ 57.150429] dev_attr_store+0x17/0x30 [ 57.154441] sysfs_kf_write+0x4b/0x60 [ 57.158479] kernfs_fop_write+0xe8/0x1d0 [ 57.162788] vfs_write+0xf5/0x230 [ 57.166426] ksys_write+0x70/0xf0 [ 57.170087] __x64_sys_write+0x1a/0x20 [ 57.174219] do_syscall_64+0x38/0x90 [ 57.178145] entry_SYSCALL_64_after_hwframe+0x44/0xa9 Signed-off-by: xinhui pan <xinhui.pan@amd.com> Acked-by: Feifei Xu <Feifei Xu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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.