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[Bug 2162959] [NEW] System hangs on shutdown/reboot ~50% of the time since kernel 7.0.0-28 (PCI/ASPM regression)

Public bug reported: ### Summary System intermittently hangs during shutdown and reboot on kernel 7.0.0-28-generic and 7.0.0-29-generic. The issue does not occur on 7.0.0-27-generic. Adding `pcie_aspm=off` kernel boot parameter completely resolves the issue. ### Symptoms - ~50% of shutdown/reboot attempts result in a hang - Display turns off, but: USB peripherals remain powered (LEDs on keyboard/joystick), power LED on case stays lit, fans keep spinning - System never completes power-off; requires holding the physical power button - Affects both shutdown and reboot (not just power-off) - The issue is a race condition — not 100% reproducible but very frequent ### Reproduction 1. Boot with kernel 7.0.0-28-generic or 7.0.0-29-generic 2. Shut down or reboot the system 3. Approximately 50% of attempts will hang after journal stops (after `systemd-shutdown[1]: Sending SIGTERM to remaining processes...`) ### Bisect Results - **7.0.0-27-generic** (upstream v7.0.6): OK — no hangs - **7.0.0-28-generic** (upstream v7.0.12): BROKEN — hangs ~50% - **7.0.0-29-generic** (upstream v7.0.12 + CVE fixes): BROKEN — hangs ~50% ### Workaround Adding `pcie_aspm=off` to kernel boot parameters completely eliminates the issue. ### Suspected Patches The regression was introduced in 7.0.0-28 which includes a large upstream stable bump (v7.0.6 → v7.0.12). Two ASPM-related patches are the most likely culprits: 1. **`PCI/ASPM: Fix link state exit during switch upstream function removal`** (from upstream v7.0.12 stable)    - Directly relevant: the GPU is connected through a PCIe switch (Navi 10 XL Upstream/Downstream Port). This patch modifies behavior during switch upstream function removal, which occurs at shutdown/reboot. A race condition in link state exit could explain the intermittent hang. 2. **`SAUCE: PCI: ASPM: Allow OS to configure ASPM where BIOS is incapable of`** (LP: #2072679)    - Ubuntu-specific patch originally targeting Tiger Lake idle states. On AMD X570, the BIOS may intentionally not expose ASPM control; forcing OS control could lead to incorrect link state transitions during teardown. The fact that the GPU sits behind a PCIe switch makes patch #1 especially suspicious — the patch title literally describes the scenario (switch upstream function removal). ### Hardware - **CPU:** AMD Ryzen 7 5800X3D - **Motherboard:** Gigabyte X570 AORUS ELITE - **BIOS:** F40 (2025-10-28), American Megatrends International - **GPU:** AMD Radeon RX 6700 XT (Navi 22) [1002:73df] — connected via PCIe switch (Navi 10 XL Upstream [1002:1478] / Downstream [1002:1479]) - **NIC:** Intel I211 Gigabit - **NVMe:** 2× Phison E18 PCIe4 ### PCIe Topology (relevant) ``` [00:03.1] AMD Starship/Matisse GPP Bridge   └─[09:00.0] AMD/ATI Navi 10 XL Upstream Port of PCI Express Switch       └─[0a:00.0] AMD/ATI Navi 10 XL Downstream Port of PCI Express Switch           ├─[0b:00.0] AMD/ATI Navi 22 (RX 6700 XT)           └─[0b:00.1] AMD/ATI Navi 21/23 HDMI/DP Audio Controller ``` ### System Info - **OS:** Ubuntu 26.04 LTS (Resolute) - **Kernel (broken):** 7.0.0-29-generic #29-Ubuntu SMP PREEMPT_DYNAMIC (7.0.12) - **Kernel (working):** 7.0.0-27-generic (7.0.6) - **ASPM policy:** `[default] performance powersave powersupersave` - **ACPI Power Buttons:** PWRB (PNP0C0C:00) + PWRF (LNXPWRBN:00) ### Journal (last entries before hang) ``` systemd[1]: Reached target poweroff.target - System Power Off. systemd[1]: Shutting down. systemd-shutdown[1]: Syncing filesystems and block devices. systemd-shutdown[1]: Sending SIGTERM to remaining processes... systemd-journald[414]: Received SIGTERM from PID 1 (systemd-shutdow). systemd-journald[414]: Journal stopped ``` (System hangs after this point — no further progress, hard power-off required) ### Additional Notes - `amdgpu.runpm=0` was tested on 7.0.0-28 — did NOT help (rules out amdgpu runtime PM) - The `drm_fb_helper_damage_work hogged CPU for >10000us` warning appears in kernel logs, but this may be unrelated - The issue affects both shutdown and reboot equally, ruling out ACPI wakeup GPE issues ### Related - LP: #2072679 (SAUCE: PCI: ASPM: Allow OS to configure ASPM where BIOS is incapable of) - LP: #2156636 (Resolute update: v7.0.12 upstream stable release) ProblemType: Bug DistroRelease: Ubuntu 26.04 Package: linux-image-generic 7.0.0-29.29 ProcVersionSignature: Ubuntu 7.0.0-29.29-generic 7.0.12 Uname: Linux 7.0.0-29-generic x86_64 ApportVersion: 2.34.1-0ubuntu0.1 Architecture: amd64 AudioDevicesInUse:  USER PID ACCESS COMMAND  /dev/snd/controlC2: tommyq 2222 F.... wireplumber  /dev/snd/controlC1: tommyq 2222 F.... wireplumber  /dev/snd/controlC0: tommyq 2222 F.... wireplumber  /dev/snd/seq: tommyq 2198 F.... pipewire CasperMD5CheckResult: pass CurrentDesktop: KDE Date: Thu Aug 6 15:37:11 2026 InstallationDate: Installed on 2022-11-11 (1364 days ago) InstallationMedia: Kubuntu 22.10 "Kinetic Kudu" - Release amd64 (20221020) MachineType: Gigabyte Technology Co., Ltd. X570 AORUS ELITE ProcEnviron:  LANG=cs_CZ.UTF-8  LANGUAGE=  PATH=(custom, no user)  SHELL=/bin/bash  XDG_RUNTIME_DIR=<set> ProcFB: 0 amdgpudrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-7.0.0-29-generic root=UUID=6e49607c-2ecc-46c8-869f-dca543a37ec6 ro ipv6.disable_ipv6=1 pcie_aspm=off quiet splash PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon. RfKill:  0: hci0: Bluetooth   Soft blocked: yes   Hard blocked: no SourcePackage: linux UpgradeStatus: Upgraded to resolute on 2026-03-28 (131 days ago) acpidump:  Error: command ['pkexec', '/usr/share/apport/dump_acpi_tables.py'] failed with exit code 127: Error executing command as another user: Not authorized  This incident has been reported. dmi.bios.date: 10/28/2025 dmi.bios.release: 5.17 dmi.bios.vendor: American Megatrends International, LLC. dmi.bios.version: F40 dmi.board.asset.tag: Default string dmi.board.name: X570 AORUS ELITE dmi.board.vendor: Gigabyte Technology Co., Ltd. dmi.board.version: Default string dmi.chassis.asset.tag: Default string dmi.chassis.type: 3 dmi.chassis.vendor: Default string dmi.chassis.version: Default string dmi.modalias: dmi:bvnAmericanMegatrendsInternational,LLC.:bvrF40:bd10/28/2025:br5.17:svnGigabyteTechnologyCo.,Ltd.:pnX570AORUSELITE:pvr-CF:rvnGigabyteTechnologyCo.,Ltd.:rnX570AORUSELITE:rvrDefaultstring:cvnDefaultstring:ct3:cvrDefaultstring:skuDefaultstring:pfaX570MB: dmi.product.family: X570 MB dmi.product.name: X570 AORUS ELITE dmi.product.sku: Default string dmi.product.version: -CF dmi.sys.vendor: Gigabyte Technology Co., Ltd. ** Affects: linux (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug resolute wayland-session ** Description changed: ### Summary System intermittently hangs during shutdown and reboot on kernel 7.0.0-28-generic and 7.0.0-29-generic. The issue does not occur on 7.0.0-27-generic. Adding `pcie_aspm=off` kernel boot parameter completely resolves the issue. ### Symptoms - ~50% of shutdown/reboot attempts result in a hang - Display turns off, but: USB peripherals remain powered (LEDs on keyboard/joystick), power LED on case stays lit, fans keep spinning - System never completes power-off; requires holding the physical power button - Affects both shutdown and reboot (not just power-off) - The issue is a race condition — not 100% reproducible but very frequent ### Reproduction 1. Boot with kernel 7.0.0-28-generic or 7.0.0-29-generic 2. Shut down or reboot the system 3. Approximately 50% of attempts will hang after journal stops (after `systemd-shutdown[1]: Sending SIGTERM to remaining processes...`) ### Bisect Results - **7.0.0-27-generic** (upstream v7.0.6): OK — no hangs - **7.0.0-28-generic** (upstream v7.0.12): BROKEN — hangs ~50% - **7.0.0-29-generic** (upstream v7.0.12 + CVE fixes): BROKEN — hangs ~50% ### Workaround Adding `pcie_aspm=off` to kernel boot parameters completely eliminates the issue. ### Suspected Patches The regression was introduced in 7.0.0-28 which includes a large upstream stable bump (v7.0.6 → v7.0.12). Two ASPM-related patches are the most likely culprits: 1. **`PCI/ASPM: Fix link state exit during switch upstream function removal`** (from upstream v7.0.12 stable) - - Directly relevant: the GPU is connected through a PCIe switch (Navi 10 XL Upstream/Downstream Port). This patch modifies behavior during switch upstream function removal, which occurs at shutdown/reboot. A race condition in link state exit could explain the intermittent hang. +    - Directly relevant: the GPU is connected through a PCIe switch (Navi 10 XL Upstream/Downstream Port). This patch modifies behavior during switch upstream function removal, which occurs at shutdown/reboot. A race condition in link state exit could explain the intermittent hang. 2. **`SAUCE: PCI: ASPM: Allow OS to configure ASPM where BIOS is incapable of`** (LP: #2072679) - - Ubuntu-specific patch originally targeting Tiger Lake idle states. On AMD X570, the BIOS may intentionally not expose ASPM control; forcing OS control could lead to incorrect link state transitions during teardown. +    - Ubuntu-specific patch originally targeting Tiger Lake idle states. On AMD X570, the BIOS may intentionally not expose ASPM control; forcing OS control could lead to incorrect link state transitions during teardown. The fact that the GPU sits behind a PCIe switch makes patch #1 especially suspicious — the patch title literally describes the scenario (switch upstream function removal). ### Hardware - **CPU:** AMD Ryzen 7 5800X3D - **Motherboard:** Gigabyte X570 AORUS ELITE - **BIOS:** F40 (2025-10-28), American Megatrends International - **GPU:** AMD Radeon RX 6700 XT (Navi 22) [1002:73df] — connected via PCIe switch (Navi 10 XL Upstream [1002:1478] / Downstream [1002:1479]) - **NIC:** Intel I211 Gigabit - **NVMe:** 2× Phison E18 PCIe4 ### PCIe Topology (relevant) ``` [00:03.1] AMD Starship/Matisse GPP Bridge - └─[09:00.0] AMD/ATI Navi 10 XL Upstream Port of PCI Express Switch - └─[0a:00.0] AMD/ATI Navi 10 XL Downstream Port of PCI Express Switch - ├─[0b:00.0] AMD/ATI Navi 22 (RX 6700 XT) - └─[0b:00.1] AMD/ATI Navi 21/23 HDMI/DP Audio Controller +   └─[09:00.0] AMD/ATI Navi 10 XL Upstream Port of PCI Express Switch +       └─[0a:00.0] AMD/ATI Navi 10 XL Downstream Port of PCI Express Switch +           ├─[0b:00.0] AMD/ATI Navi 22 (RX 6700 XT) +           └─[0b:00.1] AMD/ATI Navi 21/23 HDMI/DP Audio Controller ``` ### System Info - **OS:** Ubuntu 26.04 LTS (Resolute) - **Kernel (broken):** 7.0.0-29-generic #29-Ubuntu SMP PREEMPT_DYNAMIC (7.0.12) - **Kernel (working):** 7.0.0-27-generic (7.0.6) - **ASPM policy:** `[default] performance powersave powersupersave` - **ACPI Power Buttons:** PWRB (PNP0C0C:00) + PWRF (LNXPWRBN:00) ### Journal (last entries before hang) ``` systemd[1]: Reached target poweroff.target - System Power Off. systemd[1]: Shutting down. systemd-shutdown[1]: Syncing filesystems and block devices. systemd-shutdown[1]: Sending SIGTERM to remaining processes... systemd-journald[414]: Received SIGTERM from PID 1 (systemd-shutdow). systemd-journald[414]: Journal stopped ``` (System hangs after this point — no further progress, hard power-off required) ### Additional Notes - - `amdgpu.runpm=0` was NOT tested yet (pcie_aspm=off was sufficient) + - `amdgpu.runpm=0` was tested on 7.0.0-28 — did NOT help (rules out amdgpu runtime PM) - The `drm_fb_helper_damage_work hogged CPU for >10000us` warning appears in kernel logs, but this may be unrelated - The issue affects both shutdown and reboot equally, ruling out ACPI wakeup GPE issues ### Related - LP: #2072679 (SAUCE: PCI: ASPM: Allow OS to configure ASPM where BIOS is incapable of) - LP: #2156636 (Resolute update: v7.0.12 upstream stable release) ProblemType: Bug DistroRelease: Ubuntu 26.04 Package: linux-image-generic 7.0.0-29.29 ProcVersionSignature: Ubuntu 7.0.0-29.29-generic 7.0.12 Uname: Linux 7.0.0-29-generic x86_64 ApportVersion: 2.34.1-0ubuntu0.1 Architecture: amd64 AudioDevicesInUse: - USER PID ACCESS COMMAND - /dev/snd/controlC2: tommyq 2222 F.... wireplumber - /dev/snd/controlC1: tommyq 2222 F.... wireplumber - /dev/snd/controlC0: tommyq 2222 F.... wireplumber - /dev/snd/seq: tommyq 2198 F.... pipewire +  USER PID ACCESS COMMAND +  /dev/snd/controlC2: tommyq 2222 F.... wireplumber +  /dev/snd/controlC1: tommyq 2222 F.... wireplumber +  /dev/snd/controlC0: tommyq 2222 F.... wireplumber +  /dev/snd/seq: tommyq 2198 F.... pipewire CasperMD5CheckResult: pass CurrentDesktop: KDE Date: Thu Aug 6 15:37:11 2026 InstallationDate: Installed on 2022-11-11 (1364 days ago) InstallationMedia: Kubuntu 22.10 "Kinetic Kudu" - Release amd64 (20221020) MachineType: Gigabyte Technology Co., Ltd. X570 AORUS ELITE ProcEnviron: - LANG=cs_CZ.UTF-8 - LANGUAGE= - PATH=(custom, no user) - SHELL=/bin/bash - XDG_RUNTIME_DIR=<set> +  LANG=cs_CZ.UTF-8 +  LANGUAGE= +  PATH=(custom, no user) +  SHELL=/bin/bash +  XDG_RUNTIME_DIR=<set> ProcFB: 0 amdgpudrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-7.0.0-29-generic root=UUID=6e49607c-2ecc-46c8-869f-dca543a37ec6 ro ipv6.disable_ipv6=1 pcie_aspm=off quiet splash PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon. RfKill: - 0: hci0: Bluetooth - Soft blocked: yes - Hard blocked: no +  0: hci0: Bluetooth +   Soft blocked: yes +   Hard blocked: no SourcePackage: linux UpgradeStatus: Upgraded to resolute on 2026-03-28 (131 days ago) acpidump: - Error: command ['pkexec', '/usr/share/apport/dump_acpi_tables.py'] failed with exit code 127: Error executing command as another user: Not authorized - - This incident has been reported. +  Error: command ['pkexec', '/usr/share/apport/dump_acpi_tables.py'] failed with exit code 127: Error executing command as another user: Not authorized + +  This incident has been reported. dmi.bios.date: 10/28/2025 dmi.bios.release: 5.17 dmi.bios.vendor: American Megatrends International, LLC. dmi.bios.version: F40 dmi.board.asset.tag: Default string dmi.board.name: X570 AORUS ELITE dmi.board.vendor: Gigabyte Technology Co., Ltd. dmi.board.version: Default string dmi.chassis.asset.tag: Default string dmi.chassis.type: 3 dmi.chassis.vendor: Default string dmi.chassis.version: Default string dmi.modalias: dmi:bvnAmericanMegatrendsInternational,LLC.:bvrF40:bd10/28/2025:br5.17:svnGigabyteTechnologyCo.,Ltd.:pnX570AORUSELITE:pvr-CF:rvnGigabyteTechnologyCo.,Ltd.:rnX570AORUSELITE:rvrDefaultstring:cvnDefaultstring:ct3:cvrDefaultstring:skuDefaultstring:pfaX570MB: dmi.product.family: X570 MB dmi.product.name: X570 AORUS ELITE dmi.product.sku: Default string dmi.product.version: -CF dmi.sys.vendor: Gigabyte Technology Co., Ltd. -- You received this bug notification because you are subscribed to linux in Ubuntu. Matching subscriptions: Bgg, Bmail, Nb https://bugs.launchpad.net/bugs/2162959 Title: System hangs on shutdown/reboot ~50% of the time since kernel 7.0.0-28 (PCI/ASPM regression) Status in linux package in Ubuntu: New Bug description: ### Summary System intermittently hangs during shutdown and reboot on kernel 7.0.0-28-generic and 7.0.0-29-generic. The issue does not occur on 7.0.0-27-generic. Adding `pcie_aspm=off` kernel boot parameter completely resolves the issue. ### Symptoms - ~50% of shutdown/reboot attempts result in a hang - Display turns off, but: USB peripherals remain powered (LEDs on keyboard/joystick), power LED on case stays lit, fans keep spinning - System never completes power-off; requires holding the physical power button - Affects both shutdown and reboot (not just power-off) - The issue is a race condition — not 100% reproducible but very frequent ### Reproduction 1. Boot with kernel 7.0.0-28-generic or 7.0.0-29-generic 2. Shut down or reboot the system 3. Approximately 50% of attempts will hang after journal stops (after `systemd-shutdown[1]: Sending SIGTERM to remaining processes...`) ### Bisect Results - **7.0.0-27-generic** (upstream v7.0.6): OK — no hangs - **7.0.0-28-generic** (upstream v7.0.12): BROKEN — hangs ~50% - **7.0.0-29-generic** (upstream v7.0.12 + CVE fixes): BROKEN — hangs ~50% ### Workaround Adding `pcie_aspm=off` to kernel boot parameters completely eliminates the issue. ### Suspected Patches The regression was introduced in 7.0.0-28 which includes a large upstream stable bump (v7.0.6 → v7.0.12). Two ASPM-related patches are the most likely culprits: 1. **`PCI/ASPM: Fix link state exit during switch upstream function removal`** (from upstream v7.0.12 stable)    - Directly relevant: the GPU is connected through a PCIe switch (Navi 10 XL Upstream/Downstream Port). This patch modifies behavior during switch upstream function removal, which occurs at shutdown/reboot. A race condition in link state exit could explain the intermittent hang. 2. **`SAUCE: PCI: ASPM: Allow OS to configure ASPM where BIOS is incapable of`** (LP: #2072679)    - Ubuntu-specific patch originally targeting Tiger Lake idle states. On AMD X570, the BIOS may intentionally not expose ASPM control; forcing OS control could lead to incorrect link state transitions during teardown. The fact that the GPU sits behind a PCIe switch makes patch #1 especially suspicious — the patch title literally describes the scenario (switch upstream function removal). ### Hardware - **CPU:** AMD Ryzen 7 5800X3D - **Motherboard:** Gigabyte X570 AORUS ELITE - **BIOS:** F40 (2025-10-28), American Megatrends International - **GPU:** AMD Radeon RX 6700 XT (Navi 22) [1002:73df] — connected via PCIe switch (Navi 10 XL Upstream [1002:1478] / Downstream [1002:1479]) - **NIC:** Intel I211 Gigabit - **NVMe:** 2× Phison E18 PCIe4 ### PCIe Topology (relevant) ``` [00:03.1] AMD Starship/Matisse GPP Bridge   └─[09:00.0] AMD/ATI Navi 10 XL Upstream Port of PCI Express Switch       └─[0a:00.0] AMD/ATI Navi 10 XL Downstream Port of PCI Express Switch           ├─[0b:00.0] AMD/ATI Navi 22 (RX 6700 XT)           └─[0b:00.1] AMD/ATI Navi 21/23 HDMI/DP Audio Controller ``` ### System Info - **OS:** Ubuntu 26.04 LTS (Resolute) - **Kernel (broken):** 7.0.0-29-generic #29-Ubuntu SMP PREEMPT_DYNAMIC (7.0.12) - **Kernel (working):** 7.0.0-27-generic (7.0.6) - **ASPM policy:** `[default] performance powersave powersupersave` - **ACPI Power Buttons:** PWRB (PNP0C0C:00) + PWRF (LNXPWRBN:00) ### Journal (last entries before hang) ``` systemd[1]: Reached target poweroff.target - System Power Off. systemd[1]: Shutting down. systemd-shutdown[1]: Syncing filesystems and block devices. systemd-shutdown[1]: Sending SIGTERM to remaining processes... systemd-journald[414]: Received SIGTERM from PID 1 (systemd-shutdow). systemd-journald[414]: Journal stopped ``` (System hangs after this point — no further progress, hard power-off required) ### Additional Notes - `amdgpu.runpm=0` was tested on 7.0.0-28 — did NOT help (rules out amdgpu runtime PM) - The `drm_fb_helper_damage_work hogged CPU for >10000us` warning appears in kernel logs, but this may be unrelated - The issue affects both shutdown and reboot equally, ruling out ACPI wakeup GPE issues ### Related - LP: #2072679 (SAUCE: PCI: ASPM: Allow OS to configure ASPM where BIOS is incapable of) - LP: #2156636 (Resolute update: v7.0.12 upstream stable release) ProblemType: Bug DistroRelease: Ubuntu 26.04 Package: linux-image-generic 7.0.0-29.29 ProcVersionSignature: Ubuntu 7.0.0-29.29-generic 7.0.12 Uname: Linux 7.0.0-29-generic x86_64 ApportVersion: 2.34.1-0ubuntu0.1 Architecture: amd64 AudioDevicesInUse:  USER PID ACCESS COMMAND  /dev/snd/controlC2: tommyq 2222 F.... wireplumber  /dev/snd/controlC1: tommyq 2222 F.... wireplumber  /dev/snd/controlC0: tommyq 2222 F.... wireplumber  /dev/snd/seq: tommyq 2198 F.... pipewire CasperMD5CheckResult: pass CurrentDesktop: KDE Date: Thu Aug 6 15:37:11 2026 InstallationDate: Installed on 2022-11-11 (1364 days ago) InstallationMedia: Kubuntu 22.10 "Kinetic Kudu" - Release amd64 (20221020) MachineType: Gigabyte Technology Co., Ltd. X570 AORUS ELITE ProcEnviron:  LANG=cs_CZ.UTF-8  LANGUAGE=  PATH=(custom, no user)  SHELL=/bin/bash  XDG_RUNTIME_DIR=<set> ProcFB: 0 amdgpudrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-7.0.0-29-generic root=UUID=6e49607c-2ecc-46c8-869f-dca543a37ec6 ro ipv6.disable_ipv6=1 pcie_aspm=off quiet splash PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon. RfKill:  0: hci0: Bluetooth   Soft blocked: yes   Hard blocked: no SourcePackage: linux UpgradeStatus: Upgraded to resolute on 2026-03-28 (131 days ago) acpidump:  Error: command ['pkexec', '/usr/share/apport/dump_acpi_tables.py'] failed with exit code 127: Error executing command as another user: Not authorized  This incident has been reported. dmi.bios.date: 10/28/2025 dmi.bios.release: 5.17 dmi.bios.vendor: American Megatrends International, LLC. dmi.bios.version: F40 dmi.board.asset.tag: Default string dmi.board.name: X570 AORUS ELITE dmi.board.vendor: Gigabyte Technology Co., Ltd. dmi.board.version: Default string dmi.chassis.asset.tag: Default string dmi.chassis.type: 3 dmi.chassis.vendor: Default string dmi.chassis.version: Default string dmi.modalias: dmi:bvnAmericanMegatrendsInternational,LLC.:bvrF40:bd10/28/2025:br5.17:svnGigabyteTechnologyCo.,Ltd.:pnX570AORUSELITE:pvr-CF:rvnGigabyteTechnologyCo.,Ltd.:rnX570AORUSELITE:rvrDefaultstring:cvnDefaultstring:ct3:cvrDefaultstring:skuDefaultstring:pfaX570MB: dmi.product.family: X570 MB dmi.product.name: X570 AORUS ELITE dmi.product.sku: Default string dmi.product.version: -CF dmi.sys.vendor: Gigabyte Technology Co., Ltd. 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