Am 24.02.23 um 09:38 schrieb Mikhail Gavrilov:
On Fri, Feb 24, 2023 at 12:13 PM Christian König
<ckoenig.leichtzumerken@xxxxxxxxx> wrote:
Hi Mikhail,
this is pretty clearly a problem with the system and/or it's BIOS and
not the GPU hw or the driver.
The option pci=nocrs makes the kernel ignore additional resource windows
the BIOS reports through ACPI. This then most likely leads to problems
with amdgpu because it can't bring up its PCIe resources any more.
The output of "sudo lspci -vvvv -s $BUSID_OF_AMDGPU" might help
understand the problem
I attach both lspci for pci=nocrs and without pci=nocrs.
The differences for Cezanne Radeon Vega Series:
with pci=nocrs:
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
Interrupt: pin A routed to IRQ 255
Region 4: I/O ports at e000 [disabled] [size=256]
Capabilities: [c0] MSI-X: Enable- Count=4 Masked-
Without pci=nocrs:
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx+
Interrupt: pin A routed to IRQ 44
Region 4: I/O ports at e000 [size=256]
Capabilities: [c0] MSI-X: Enable+ Count=4 Masked-
The differences for Navi 22 Radeon 6800M:
with pci=nocrs:
Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
Interrupt: pin A routed to IRQ 255
Region 0: Memory at f800000000 (64-bit, prefetchable) [disabled] [size=16G]
Region 2: Memory at fc00000000 (64-bit, prefetchable) [disabled] [size=256M]
Region 5: Memory at fca00000 (32-bit, non-prefetchable) [disabled] [size=1M]
Well that explains it. When the PCI subsystem has to disable the BARs of
the GPU we can't access it any more.
The only thing we could do is to make sure that the driver at least
fails gracefully.
Do you still have network access to the box when amdgpu fails to load
and could grab whatevery is in dmesg?
Thanks,
Christian.
AtomicOpsCtl: ReqEn-
Capabilities: [a0] MSI: Enable- Count=1/1 Maskable- 64bit+
Address: 0000000000000000 Data: 0000
Without pci=nocrs:
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx+
Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 103
Region 0: Memory at f800000000 (64-bit, prefetchable) [size=16G]
Region 2: Memory at fc00000000 (64-bit, prefetchable) [size=256M]
Region 5: Memory at fca00000 (32-bit, non-prefetchable) [size=1M]
AtomicOpsCtl: ReqEn+
Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+
Address: 00000000fee00000 Data: 0000
but I strongly suggest to try a BIOS update first.
This is the first thing that was done. And I am afraid no more BIOS updates.
https://rog.asus.com/laptops/rog-strix/2021-rog-strix-g15-advantage-edition-series/helpdesk_bios/
I also have experience in dealing with manufacturers' tech support.
Usually it ends with "we do not provide drivers for Linux".
