Control: tags -1 + upstream
Control: found -1 7.1.13-1
Control: found -1 7.2.3-1~exp1
Control: forwarded -1 https://gitlab.freedesktop.org/drm/amd/-/work_items/5806

Hi Jacek

On Fri, Sep 11, 2026 at 09:36:36PM +0200, [email protected] wrote:
> Am 2026-09-11 04:59, schrieb Salvatore Bonaccorso:
> > Control: tags -1 + moreinfo
> > 
> > Hi Jacek,
> > 
> > On Tue, Sep 01, 2026 at 08:57:42PM +0200, Jacek Zubel wrote:
> > > Package: src:linux
> > > Version: 7.1.8-2
> > > Severity: important
> > > 
> > > Dear Maintainer,
> > > 
> > > *** Reporter, please consider answering these questions, where
> > > appropriate ***
> > > 
> > >    * What led up to the situation?
> > >      > linux image update to 7.1.8
> > > 
> > > When I remove one card then system will boot fine, I checked that
> > > each card in each of the two pcie x16 slots works when just a single
> > > card is used, when I boot with 7.0.13 kernel it also works again.
> > > 
> > > -- Package-specific info:
> > > ** Version:
> > > Linux version 7.1.8+deb14.1-amd64 ([email protected])
> > > (x86_64-linux-gnu-gcc-15 (Debian 15.3.0-2) 15.3.0, GNU ld (GNU
> > > Binutils for Debian) 2.47) #1 SMP PREEMPT_DYNAMIC Debian 7.1.8-2
> > > (2026-08-15)
> > > 
> > > ** Command line:
> > > BOOT_IMAGE=/boot/vmlinuz-7.1.8+deb14.1-amd64
> > > root=UUID=f6470400-53e1-45cb-ac10-d9e70154499f ro quiet
> > > 
> > > ** Tainted: D (128)
> > >  * kernel died recently, i.e. there was an OOPS or BUG
> > > 
> > > ** Kernel log:
> > > Sep 01 20:45:15 llama kernel: note: Xorg.wrap[1052] exited with irqs
> > > disabled
> > > Sep 01 20:45:15 llama kernel: [drm] scheduler sdma0 is not ready,
> > > skipping
> > > Sep 01 20:45:15 llama kernel: [drm] scheduler sdma1 is not ready,
> > > skipping
> > > Sep 01 20:45:15 llama kernel: BUG: kernel NULL pointer dereference,
> > > address: 0000000000000000
> > > Sep 01 20:45:15 llama kernel: #PF: supervisor read access in kernel
> > > mode
> > > Sep 01 20:45:15 llama kernel: #PF: error_code(0x0000) - not-present
> > > page
> > > Sep 01 20:45:15 llama kernel: PGD 0 P4D 0
> > > Sep 01 20:45:15 llama kernel: Oops: Oops: 0000 [#6] SMP NOPTI
> > > Sep 01 20:45:15 llama kernel: CPU: 3 UID: 0 PID: 1066 Comm:
> > > Xorg.wrap Tainted: G      D             7.1.8+deb14.1-amd64 #1
> > > PREEMPT(lazy)  Debian 7.1.8-2
> > > Sep 01 20:45:15 llama kernel: Tainted: [D]=DIE
> > > Sep 01 20:45:15 llama kernel: Hardware name: Gigabyte Technology
> > > Co., Ltd. X470 AORUS ULTRA GAMING/X470 AORUS ULTRA GAMING-CF, BIOS
> > > F66a 04/14/2026
> > > Sep 01 20:45:15 llama kernel: RIP: 0010:drm_sched_job_arm+0x2b/0x50
> > > [gpu_sched]
> > > Sep 01 20:45:15 llama kernel: Code: 0f 1e fa 0f 1f 44 00 00 55 53 48
> > > 8b 6f 18 48 85 ed 74 2b 48 89 fb 48 89 ef e8 31 3d 00 00 48 8b 45 18
> > > 48 8b 73 18 48 8b 7b 10 <48> 8b 00 48 89 43 08 8b 45 2c 89 43 20 5b
> > > 5d e9 e1 28 00 00 0f 0b
> > > Sep 01 20:45:15 llama kernel: RSP: 0018:ffffd3998409b858 EFLAGS:
> > > 00010286
> > > Sep 01 20:45:15 llama kernel: RAX: 0000000000000000 RBX:
> > > ffff8dba086e5e00 RCX: 00000000ffffffff
> > > Sep 01 20:45:15 llama kernel: RDX: 0000000000000002 RSI:
> > > ffff8dba07c90378 RDI: ffff8dba010ce9c0
> > > Sep 01 20:45:15 llama kernel: RBP: ffff8dba07c90378 R08:
> > > 0000000000000000 R09: 0000000000000002
> > > Sep 01 20:45:15 llama kernel: R10: ffff8dba1740e490 R11:
> > > 3fffffffffffefff R12: 0000000000000000
> > > Sep 01 20:45:15 llama kernel: R13: ffff8dba07c90000 R14:
> > > ffff8dba0aa00000 R15: 0000000000020000
> > > Sep 01 20:45:15 llama kernel: FS:  00007f56e7bf1740(0000)
> > > GS:ffff8dbd90630000(0000) knlGS:0000000000000000
> > > Sep 01 20:45:15 llama kernel: CS:  0010 DS: 0000 ES: 0000 CR0:
> > > 0000000080050033
> > > Sep 01 20:45:15 llama kernel: CR2: 0000000000000000 CR3:
> > > 0000000108a93000 CR4: 00000000003506f0
> > > Sep 01 20:45:15 llama kernel: Call Trace:
> > > Sep 01 20:45:15 llama kernel:  <TASK>
> > > Sep 01 20:45:15 llama kernel:  amdgpu_job_submit+0x13/0x70 [amdgpu]
> > > Sep 01 20:45:15 llama kernel:  amdgpu_vm_sdma_commit+0x78/0x210
> > > [amdgpu]
> > > Sep 01 20:45:15 llama kernel:  amdgpu_vm_pt_clear+0x20c/0x250 [amdgpu]
> > > Sep 01 20:45:15 llama kernel:  amdgpu_vm_init+0x32a/0x690 [amdgpu]
> > > Sep 01 20:45:15 llama kernel:  amdgpu_driver_open_kms+0x141/0x310
> > > [amdgpu]
> > > Sep 01 20:45:15 llama kernel:  drm_file_alloc+0x1bf/0x2b0 [drm]
> > > Sep 01 20:45:15 llama kernel:  ? xa_load+0x76/0xb0
> > > Sep 01 20:45:15 llama kernel:  drm_open_helper+0x8d/0x160 [drm]
> > > Sep 01 20:45:15 llama kernel:  drm_open+0x75/0x100 [drm]
> > > Sep 01 20:45:15 llama kernel:  drm_stub_open+0x9e/0xd0 [drm]
> > > Sep 01 20:45:15 llama kernel:  chrdev_open+0xad/0x240
> > > Sep 01 20:45:15 llama kernel:  ? __pfx_chrdev_open+0x10/0x10
> > > Sep 01 20:45:15 llama kernel:  do_dentry_open+0x12e/0x490
> > > Sep 01 20:45:15 llama kernel:  vfs_open+0x30/0x100
> > > Sep 01 20:45:15 llama kernel:  ? srso_return_thunk+0x5/0x5f
> > > Sep 01 20:45:15 llama kernel:  path_openat+0x848/0x13f0
> > > Sep 01 20:45:15 llama kernel:  ? srso_return_thunk+0x5/0x5f
> > > Sep 01 20:45:15 llama kernel:  ? srso_return_thunk+0x5/0x5f
> > > Sep 01 20:45:15 llama kernel:  ? do_syscall_64+0x28e/0x640
> > > Sep 01 20:45:15 llama kernel:  ? srso_return_thunk+0x5/0x5f
> > > Sep 01 20:45:15 llama kernel:  ? drm_mode_getresources+0x26c/0x2a0
> > > [drm]
> > > Sep 01 20:45:15 llama kernel:  do_file_open+0xe3/0x190
> > > Sep 01 20:45:15 llama kernel:  ? srso_return_thunk+0x5/0x5f
> > > Sep 01 20:45:15 llama kernel:  ? srso_return_thunk+0x5/0x5f
> > > Sep 01 20:45:15 llama kernel:  ? alloc_fd+0x12e/0x190
> > > Sep 01 20:45:15 llama kernel:  do_sys_openat2+0x7b/0xe0
> > > Sep 01 20:45:15 llama kernel:  __x64_sys_openat+0x61/0xa0
> > > Sep 01 20:45:15 llama kernel:  do_syscall_64+0xe1/0x640
> > > Sep 01 20:45:15 llama kernel:  ? srso_return_thunk+0x5/0x5f
> > > Sep 01 20:45:15 llama kernel:  ? do_syscall_64+0x11e/0x640
> > > Sep 01 20:45:15 llama kernel:  ? srso_return_thunk+0x5/0x5f
> > > Sep 01 20:45:15 llama kernel:  ? count_memcg_events+0xe5/0x220
> > > Sep 01 20:45:15 llama kernel:  ? srso_return_thunk+0x5/0x5f
> > > Sep 01 20:45:15 llama kernel:  ? handle_mm_fault+0x1e5/0x2f0
> > > Sep 01 20:45:15 llama kernel:  ? srso_return_thunk+0x5/0x5f
> > > Sep 01 20:45:15 llama kernel:  ? do_user_addr_fault+0x2b4/0x7b0
> > > Sep 01 20:45:15 llama kernel:  ? srso_return_thunk+0x5/0x5f
> > > Sep 01 20:45:15 llama kernel:  ? irqentry_exit+0x43/0x6b0
> > > Sep 01 20:45:15 llama kernel:  ? srso_return_thunk+0x5/0x5f
> > > Sep 01 20:45:15 llama kernel:  ? do_syscall_64+0x98/0x640
> > > Sep 01 20:45:15 llama kernel:  ? exc_page_fault+0x82/0x1d0
> > > Sep 01 20:45:15 llama kernel:
> > > entry_SYSCALL_64_after_hwframe+0x76/0x7e
> > > Sep 01 20:45:15 llama kernel: RIP: 0033:0x7f56e7c85ca2
> > > Sep 01 20:45:15 llama kernel: Code: 18 41 8b 93 08 03 00 00 59 5e 48
> > > 83 f8 fc 75 1a 83 e2 39 83 fa 08 75 12 e8 1b ff ff ff 0f 1f 00 49 89
> > > ca 48 8b 44 24 20 0f 05 <48> 83 c4 18 c3 66 0f 1f 84 00 00 00 00 00
> > > 48 83 ec 10 ff 74 24 18
> > > Sep 01 20:45:15 llama kernel: RSP: 002b:00007ffcbf42fba0 EFLAGS:
> > > 00000202 ORIG_RAX: 0000000000000101
> > > Sep 01 20:45:15 llama kernel: RAX: ffffffffffffffda RBX:
> > > 0000000000000001 RCX: 00007f56e7c85ca2
> > > Sep 01 20:45:15 llama kernel: RDX: 0000000000000002 RSI:
> > > 00007ffcbf42fd50 RDI: ffffffffffffff9c
> > > Sep 01 20:45:15 llama kernel: RBP: 0000000000000003 R08:
> > > 0000000000000000 R09: 0000000000000000
> > > Sep 01 20:45:15 llama kernel: R10: 0000000000000000 R11:
> > > 0000000000000202 R12: 00007ffcbf42fd50
> > > Sep 01 20:45:15 llama kernel: R13: 0000000000000001 R14:
> > > 0000000000000001 R15: 00005609892ba010
> > > Sep 01 20:45:15 llama kernel:  </TASK>
> > > Sep 01 20:45:15 llama kernel: Modules linked in: qrtr dm_mod
> > > rtw88_8821au(+) rtw88_8821a rtw88_88xxa rtw88_usb rtw88_core
> > > nls_ascii snd_hda_codec_alc882 amd_atl nls_cp437
> > > snd_hda_codec_realtek_lib snd_hda_codec_atihdmi vfat intel_rapl_msr
> > > fat snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel
> > > intel_rapl_common mac80211 snd_hda_codec snd_hda_core
> > > snd_intel_dspcfg snd_intel_sdw_acpi snd_hwdep snd_pcm edac_mce_amd
> > > aesni_intel snd_timer gf128mul cfg80211 gigabyte_wmi wmi_bmof snd
> > > rapl acpi_cpufreq pcspkr ccp soundcore k10temp rfkill joydev libarc4
> > > sg evdev binfmt_misc parport_pc ppdev lp parport configfs efi_pstore
> > > efivarfs autofs4 ext4 mbcache jbd2 crc32c_cryptoapi amdgpu(+)
> > > drm_buddy amdxcp drm_panel_backlight_quirks gpu_sched hid_generic
> > > drm_ttm_helper ttm drm_exec drm_suballoc_helper drm_display_helper
> > > usbhid hid cec sd_mod rc_core drm_client_lib drm_kms_helper ahci
> > > xhci_pci libahci xhci_hcd libata drm igb mxm_wmi usbcore scsi_mod
> > > i2c_algo_bit sp5100_tco dca video watchdog scsi_common crc16
> > > usb_common i2c_piix4 gpio_amdpt wmi
> > > Sep 01 20:45:15 llama kernel:  button i2c_smbus gpio_generic
> > > Sep 01 20:45:15 llama kernel: CR2: 0000000000000000
> > > Sep 01 20:45:15 llama kernel: ---[ end trace 0000000000000000 ]---
> > > Sep 01 20:45:15 llama kernel: RIP: 0010:drm_sched_job_arm+0x2b/0x50
> > > [gpu_sched]
> > > Sep 01 20:45:15 llama kernel: Code: 0f 1e fa 0f 1f 44 00 00 55 53 48
> > > 8b 6f 18 48 85 ed 74 2b 48 89 fb 48 89 ef e8 31 3d 00 00 48 8b 45 18
> > > 48 8b 73 18 48 8b 7b 10 <48> 8b 00 48 89 43 08 8b 45 2c 89 43 20 5b
> > > 5d e9 e1 28 00 00 0f 0b
> > > Sep 01 20:45:15 llama kernel: RSP: 0018:ffffd3998090b550 EFLAGS:
> > > 00010286
> > > Sep 01 20:45:15 llama kernel: RAX: 0000000000000000 RBX:
> > > ffff8dba1a6cae00 RCX: 00000000ffffffff
> > > Sep 01 20:45:15 llama kernel: RDX: 0000000000000002 RSI:
> > > ffff8dba08f2f378 RDI: ffff8dba14fe63c0
> > > Sep 01 20:45:15 llama kernel: RBP: ffff8dba08f2f378 R08:
> > > 0000000000000000 R09: 0000000000000002
> > > Sep 01 20:45:15 llama kernel: R10: ffff8dba1740e490 R11:
> > > 3fffffffffffefff R12: 0000000000000000
> > > Sep 01 20:45:15 llama kernel: R13: ffff8dba08f2f000 R14:
> > > ffff8dba19700000 R15: 0000000000020000
> > > Sep 01 20:45:15 llama kernel: FS:  00007f56e7bf1740(0000)
> > > GS:ffff8dbd90630000(0000) knlGS:0000000000000000
> > > Sep 01 20:45:15 llama kernel: CS:  0010 DS: 0000 ES: 0000 CR0:
> > > 0000000080050033
> > > Sep 01 20:45:15 llama kernel: CR2: 0000000000000000 CR3:
> > > 0000000108a93000 CR4: 00000000003506f0
> > > Sep 01 20:45:15 llama kernel: note: Xorg.wrap[1066] exited with irqs
> > > disabled
> > > Sep 01 20:45:18 llama kernel: usbcore: registered new interface
> > > driver rtw88_8821au
> > > Sep 01 20:45:18 llama kernel: rtw88_8821au 1-9:1.0 wlx000f003d4c7b:
> > > renamed from wlan0
> > > Sep 01 20:46:14 llama kernel: wlx000f003d4c7b: authenticate with
> > > 50:0f:f5:01:42:46 (local address=00:0f:00:3d:4c:7b)
> > > Sep 01 20:46:16 llama kernel: wlx000f003d4c7b: send auth to
> > > 50:0f:f5:01:42:46 (try 1/3)
> > > Sep 01 20:46:16 llama kernel: wlx000f003d4c7b: authenticated
> > > Sep 01 20:46:16 llama kernel: wlx000f003d4c7b: associate with
> > > 50:0f:f5:01:42:46 (try 1/3)
> > > Sep 01 20:46:16 llama kernel: wlx000f003d4c7b: RX AssocResp from
> > > 50:0f:f5:01:42:46 (capab=0x1511 status=0 aid=3)
> > > Sep 01 20:46:16 llama kernel: wlx000f003d4c7b: associated
> > > Sep 01 20:46:16 llama kernel: wlx000f003d4c7b: Limiting TX power to
> > > 27 (30 - 3) dBm as advertised by 50:0f:f5:01:42:46
> > 
> > Thanks for your report.
> > 
> > Can you please check if this still happens with the newest iterations
> > of the kernel, both please 7.1.13-1 in unstable and 7.2.3-1~exp1 in
> > experimental (since we will move 7.2.y soon to unstable).
> > 
> > If you still can reproduce the boot error with two cards in, can you
> > please report the issue to
> > https://gitlab.freedesktop.org/drm/amd/-/issues and then report back
> > to us the upstream issue reference so we get aware when the issue is
> > addressed (and mark it forwarded accordingly)?
> > 
> > Regards,
> > Salvatore
> 
> Hi Salvatore,
> 
> thanks for taking care of the bug report, the new kernels show same error, I
> reported the bug as you proposed here:
> https://gitlab.freedesktop.org/drm/amd/-/work_items/5806

Thank you for that. I'm updating the metadata for this bugreport
accordingly.

Regards,
Salvatore

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