From: Sasha Levin <sashal@kernel.org>
To: Alex Deucher <alexdeucher@gmail.com>
Cc: xinhui pan <xinhui.pan@amd.com>,
LKML <linux-kernel@vger.kernel.org>,
amd-gfx list <amd-gfx@lists.freedesktop.org>,
Maling list - DRI developers <dri-devel@lists.freedesktop.org>,
Feifei Xu <FeifeiXu@amd.com>,
Alex Deucher <alexander.deucher@amd.com>,
"for 3.8" <stable@vger.kernel.org>
Subject: Re: [PATCH AUTOSEL 5.9 090/111] drm/amd/display: Fix a list corruption
Date: Sun, 25 Oct 2020 19:48:22 -0400 [thread overview]
Message-ID: <20201025234822.GG4060117@sasha-vm> (raw)
In-Reply-To: <CADnq5_PeOWc_=w4aChDX=SyYH+kFggn2wrJZOzxbnGOTobZ3EQ@mail.gmail.com>
On Mon, Oct 19, 2020 at 08:40:36AM -0400, Alex Deucher wrote:
>On Sun, Oct 18, 2020 at 3:19 PM Sasha Levin <sashal@kernel.org> wrote:
>>
>> From: xinhui pan <xinhui.pan@amd.com>
>>
>> [ Upstream commit 1545fbf97eafc1dbdc2923e58b4186b16a834784 ]
>>
>> 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>
>> Signed-off-by: Sasha Levin <sashal@kernel.org>
>
>This ended up getting reverted. Please drop this one.
Dropped, thanks!
--
Thanks,
Sasha
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next prev parent reply other threads:[~2020-10-25 23:48 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20201018191807.4052726-1-sashal@kernel.org>
2020-10-18 19:17 ` [PATCH AUTOSEL 5.9 090/111] drm/amd/display: Fix a list corruption Sasha Levin
2020-10-19 12:40 ` Alex Deucher
2020-10-25 23:48 ` Sasha Levin [this message]
2020-10-18 19:18 ` [PATCH AUTOSEL 5.9 105/111] drm/amd/display: Screen corruption on dual displays (DP+USB-C) Sasha Levin
2020-10-18 19:18 ` [PATCH AUTOSEL 5.9 109/111] drm/amd/display: Disconnect pipe separetely when disable pipe split Sasha Levin
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