From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 105244] NULL dereference during startup of Cape Verde with AMDGPU and GPU passthrough Date: Sun, 25 Feb 2018 22:01:58 +0000 Message-ID: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1333975182==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [IPv6:2610:10:20:722:a800:ff:fe98:4b55]) by gabe.freedesktop.org (Postfix) with ESMTP id 36CBF6E29D for ; Sun, 25 Feb 2018 22:01:58 +0000 (UTC) List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org --===============1333975182== Content-Type: multipart/alternative; boundary="15195961180.e9a2EcD3D.29370" Content-Transfer-Encoding: 7bit --15195961180.e9a2EcD3D.29370 Date: Sun, 25 Feb 2018 22:01:58 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated https://bugs.freedesktop.org/show_bug.cgi?id=3D105244 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 --> https://bugs.freedesktop.org/attachment.cgi?id=3D137596&action=3Dedit 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=3D0 amdgpu.si_support=3D1 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=20 [ 1.486975] Oops: 0000 [#1] SMP PTI [ 1.486977] Modules linked in: amdkfd amd_iommu_v2 amdgpu(+) virtio_cons= ole 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=20 [ 1.487281] RIP: drm_pcie_get_speed_cap_mask+0x35/0xe0 [drm] RSP: ffffa663c089b908 [ 1.487283] CR2: 000000000000003c [ 1.487296] ---[ end trace 81fa2514df506ee9 ]--- --=20 You are receiving this mail because: You are the assignee for the bug.= --15195961180.e9a2EcD3D.29370 Date: Sun, 25 Feb 2018 22:01:58 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated
Bug ID 105244
Summary NULL dereference during startup of Cape Verde with AMDGPU an= d 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]<=
/span>
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=3D0 amdgpu.si_support=3D1

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=20
[    1.486975] Oops: 0000 [#1] SMP PTI
[    1.486977] Modules linked in: amdkfd amd_iommu_v2 amdgpu(+) virtio_cons=
ole
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=20
[    1.487281] RIP: drm_pcie_get_speed_cap_mask+0x35/0xe0 [drm] RSP:
ffffa663c089b908
[    1.487283] CR2: 000000000000003c
[    1.487296] ---[ end trace 81fa2514df506ee9 ]---

You are receiving this mail because:
  • You are the assignee for the bug.
= --15195961180.e9a2EcD3D.29370-- --===============1333975182== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVs IG1haWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlz dHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCg== --===============1333975182==--