| Bug ID | 105244 |
|---|---|
| Summary | NULL dereference during startup of Cape Verde with AMDGPU and GPU passthrough |
| Product | DRI |
| Version | unspecified |
| Hardware | Other |
| OS | All |
| Status | NEW |
| Severity | normal |
| Priority | medium |
| Component | DRM/AMDgpu |
| Assignee | dri-devel@lists.freedesktop.org |
| Reporter | bas@basnieuwenhuizen.nl |
Created attachment 137596 [details]
dmesg
device:
00:02.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc.
[AMD/ATI] Cape Verde XT [Radeon HD 7770/8760 / R7 250X] [1002:683d]
00:0a.0 Audio device [0403]: Advanced Micro Devices, Inc. [AMD/ATI] Cape
Verde/Pitcairn HDMI Audio [Radeon HD 7700/7800 Series] [1002:aab0]
uname -a:
Linux localhost.localdomain 4.15.4-300.fc27.x86_64 #1 SMP Mon Feb 19 23:31:15
UTC 2018 x86_64 x86_64 x86_64 GNU/Linu
kernel params include radeon.si_support=0 amdgpu.si_support=1
The host also contains a Tonga, passed through to another VM.
Trace (full dmesg also attached):
[ 1.486955] BUG: unable to handle kernel NULL pointer dereference at
000000000000003c
[ 1.486971] IP: drm_pcie_get_speed_cap_mask+0x35/0xe0 [drm]
[ 1.486972] PGD 0 P4D 0
[ 1.486975] Oops: 0000 [#1] SMP PTI
[ 1.486977] Modules linked in: amdkfd amd_iommu_v2 amdgpu(+) virtio_console
virtio_net virtio_blk crc32c_intel chash i2c_algo_bit drm_kms_helper ttm
serio_raw drm ata_generic qemu_fw_cfg virtio_pci pata_acpi virtio_rng
virtio_ring virtio
[ 1.486987] CPU: 0 PID: 324 Comm: systemd-udevd Not tainted
4.15.4-300.fc27.x86_64 #1
[ 1.486989] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS
0.0.0 02/06/2015
[ 1.486996] RIP: 0010:drm_pcie_get_speed_cap_mask+0x35/0xe0 [drm]
[ 1.486998] RSP: 0018:ffffa663c089b908 EFLAGS: 00010286
[ 1.486999] RAX: ffff8f38ba5a6800 RBX: ffff8f38b3890000 RCX:
0000000000000000
[ 1.487003] RDX: 0000000000000000 RSI: ffffa663c089b998 RDI:
ffff8f38b385c000
[ 1.487004] RBP: 0000000000000000 R08: ffffc715c4ce2600 R09:
0000000000040000
[ 1.487006] R10: 0000000000140000 R11: 0000000000000000 R12:
0000000000000003
[ 1.487007] R13: ffff8f38b2e0a9c8 R14: ffff8f38b2e00000 R15:
0000000000000000
[ 1.487009] FS: 00007f1bcd4a91c0(0000) GS:ffff8f38bfc00000(0000)
knlGS:0000000000000000
[ 1.487011] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1.487012] CR2: 000000000000003c CR3: 0000000135546004 CR4:
00000000001606f0
[ 1.487016] Call Trace:
[ 1.487065] si_dpm_sw_init+0x330/0x15d0 [amdgpu]
[ 1.487070] ? request_threaded_irq+0xad/0x160
[ 1.487074] ? printk+0x52/0x6e
[ 1.487101] amdgpu_device_init+0xcb4/0x15e0 [amdgpu]
[ 1.487105] ? kmalloc_order+0x14/0x40
[ 1.487130] amdgpu_driver_load_kms+0x86/0x2d0 [amdgpu]
[ 1.487155] drm_dev_register+0x132/0x1c0 [drm]
[ 1.487180] amdgpu_pci_probe+0x10a/0x140 [amdgpu]
[ 1.487184] local_pci_probe+0x42/0xa0
[ 1.487190] ? pci_assign_irq+0x27/0x130
[ 1.487192] pci_device_probe+0x141/0x1b0
[ 1.487196] driver_probe_device+0x315/0x480
[ 1.487198] __driver_attach+0xa0/0xe0
[ 1.487201] ? driver_probe_device+0x480/0x480
[ 1.487203] bus_for_each_dev+0x6b/0xb0
[ 1.487205] bus_add_driver+0x1c2/0x260
[ 1.487207] ? 0xffffffffc07b6000
[ 1.487209] driver_register+0x57/0xc0
[ 1.487211] ? 0xffffffffc07b6000
[ 1.487214] do_one_initcall+0x4e/0x190
[ 1.487218] ? _cond_resched+0x15/0x40
[ 1.487220] ? kmem_cache_alloc_trace+0xac/0x1b0
[ 1.487223] ? do_init_module+0x22/0x201
[ 1.487226] do_init_module+0x5b/0x201
[ 1.487228] load_module+0x26b1/0x2b60
[ 1.487231] ? SYSC_init_module+0x160/0x190
[ 1.487233] ? _cond_resched+0x15/0x40
[ 1.487235] SYSC_init_module+0x160/0x190
[ 1.487238] do_syscall_64+0x75/0x180
[ 1.487240] entry_SYSCALL_64_after_hwframe+0x21/0x86
[ 1.487243] RIP: 0033:0x7f1bccda71da
[ 1.487244] RSP: 002b:00007ffec1e4f598 EFLAGS: 00000246 ORIG_RAX:
00000000000000af
[ 1.487246] RAX: ffffffffffffffda RBX: 0000555c28533860 RCX:
00007f1bccda71da
[ 1.487248] RDX: 0000555c28531780 RSI: 00000000005748f3 RDI:
0000555c28de0b10
[ 1.487250] RBP: 0000555c28531780 R08: 0000000000000005 R09:
00007ffec1e4dd23
[ 1.487251] R10: 0000000000000005 R11: 0000000000000246 R12:
0000555c28de0b10
[ 1.487253] R13: 0000555c285317b0 R14: 0000000000020000 R15:
0000000000000000
[ 1.487255] Code: 10 c7 06 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 89 44
24 08 31 c0 48 8b 87 c0 01 00 00 48 85 c0 74 18 48 8b 40 10 48 8b 68 38 <0f> b7
45 3c 66 3d 06 11 74 06 66 3d 66 11 75 1c b8 ea ff ff ff
[ 1.487281] RIP: drm_pcie_get_speed_cap_mask+0x35/0xe0 [drm] RSP:
ffffa663c089b908
[ 1.487283] CR2: 000000000000003c
[ 1.487296] ---[ end trace 81fa2514df506ee9 ]---
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