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91
GPU Compute / Accelerators / Re: Intel Arc Support in Kernel 6.8
« Last post by min1123 on February 15, 2024, 10:01:21 pm »
I have three Intel Arc Alchemist cards, an A310 is the one I am currently testing in my Blackbird.

It kernel panics, but continues to boot afterwards. No video ever starts.

Believe it is due to the card not being initialized as a VGA controller by boot firmware, and not being in the state the driver expects, though it could also be not being able to access that memory address that fails. Also note some of the SATA controller messages get jumbled in the mix.

git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
commit 4f5e5092fdbf5cec6bedc19fbe69cce4f5f08372 - Thu Feb 15 11:39:27 2024 -0800

Quote
[    9.548952] xe 0000:03:00.0: vgaarb: VGA decodes changed: olddecodes=io+mem,decodes=none:owns=none
[    9.548971] BUG: Unable to handle kernel data access on read at 0xc00a0000000003cc
[    9.549000] Faulting instruction address: 0xc008000000c43a24
[    9.549014] Oops: Kernel access of bad area, sig: 11 [#1]
[    9.549035] LE PAGE_SIZE=64K MMU=Radix SMP NR_CPUS=2048 NUMA PowerNV
[    9.549052] Modules linked in: xe(+) drm_gpuvm drm_exec drm_buddy gpu_sched drm_suballoc_helper i2c_algo_bit drm_display_helper drm_ttm_helper ttm drm_kms_helper sd_mod tg3 t10_pi sr_mod crc64_rocksoft crc64 cdrom crc_t10dif crct10dif_generic xhci_pci crct10dif_common drm atlantic xhci_hcd libphy crc32c_vpmsum ahci macsec libahci drm_panel_orientation_quirks
[    9.549176] CPU: 0 PID: 437 Comm: kworker/0:3 Not tainted 6.8.0-rc4+ #2
[    9.549191] Hardware name: C1P9S01 REV 1.01 POWER9 0x4e1202 opal:skiboot-852ac62 PowerNV
[    9.549208] Workqueue: events work_for_cpu_fn
[    9.549233] NIP:  c008000000c43a24 LR: c008000000c4392c CTR: 000000003006c394
[    9.549280] REGS: c00000002202b620 TRAP: 0300   Not tainted  (6.8.0-rc4+)
[    9.549305] MSR:  9000000000009033 <SF,HV,EE,ME,IR,DR,RI,LE>  CR: 24088428  XER: 20040006
[    9.549347] CFAR: c008000000c43940 DAR: c00a0000000003cc DSISR: 40000000 IRQMASK: 0
               GPR00: c008000000c4392c c00000002202b8c0 c0080000005fc500 c00a0000000003cc
               GPR04: 0000000000000000 0000000000000004 0000000031c20060 0000000031c20060
               GPR08: 0000000000000000 c00a000000000000 0000000000000000 0000000000008000
               GPR12: 0000000000000000 c000000002a70000 c00000000018782c c000000002acd040
               GPR16: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
               GPR20: 0000000000000000 c000000ffb8a0b00 c00000000309a440 000000000000002e
               GPR24: c008000000678650 c000000003050028 0000000000000003 000000000000000b
               GPR28: 0000000000000001 c0000000029003c0 c000000002b94000 c00000002860d000
[    9.549765] NIP [c008000000c43a24] intel_vga_reset_io_mem+0x138/0x180 [xe]
[    9.549914] LR [c008000000c4392c] intel_vga_reset_io_mem+0x40/0x180 [xe]
[    9.550068] Call Trace:
[    9.550105] sd 3:0:0:0: [sda] supports TCG Opal
[    9.550086] [c00000002202b8c0] [c008000000c4392c] intel_vga_reset_io_mem+0x40/0x180 [xe]
[    9.550143] sd 3:0:0:0: [sda] Attached SCSI removable disk
[    9.550293]  (unreliable)
[    9.550312] [c00000002202b900] [c008000000bb91d8] hsw_power_well_enable+0x200/0x354 [xe]
[    9.550461] [c00000002202b960] [c008000000bbb3b0] intel_power_well_enable+0x8c/0xb8 [xe]
[    9.550620] [c00000002202b9d0] [c008000000bb27a8] __intel_display_power_get_domain.part.0+0xa4/0x100 [xe]
[    9.550775] [c00000002202ba20] [c008000000bb35d4] intel_display_power_get+0x78/0xd0 [xe]
[    9.550930] [c00000002202ba60] [c008000000bb5684] intel_power_domains_init_hw+0x64/0x3d8 [xe]
[    9.551078] [c00000002202bb10] [c008000000baa834] intel_display_driver_probe_noirq+0xdc/0x2c8 [xe]
[    9.551234] [c00000002202bb90] [c008000000b3dd28] xe_display_init_noirq+0x74/0xc0 [xe]
[    9.551397] [c00000002202bbc0] [c008000000acbf50] xe_device_probe+0x240/0x584 [xe]
[    9.551542] [c00000002202bc40] [c008000000b0fb14] xe_pci_probe+0x774/0xd80 [xe]
[    9.551672] [c00000002202bd90] [c000000000c30220] local_pci_probe+0x68/0xfc
[    9.551711] [c00000002202be20] [c00000000017416c] work_for_cpu_fn+0x38/0x54
[    9.551760] [c00000002202be50] [c000000000178fc4] process_one_work+0x1e4/0x47c
[    9.551814] [c00000002202bef0] [c000000000179bbc] worker_thread+0x3ac/0x584
[    9.551854] [c00000002202bf90] [c00000000018795c] kthread+0x138/0x140
[    9.551904] [c00000002202bfe0] [c00000000000de58] start_kernel_thread+0x14/0x18
[    9.551958] Code: ebc1fff0 ebe1fff8 7c0803a6 4e800020 60000000 60000000 60000000 3d220000 e92912c0 e9290000 386903cc 7c0004ac <8bc903cc> 0c1e0000 4c00012c 57c9063e
[    9.552061] ---[ end trace 0000000000000000 ]---
92
GPU Compute / Accelerators / Re: Intel Arc Support in Kernel 6.8
« Last post by Hasturtium on February 09, 2024, 05:50:57 pm »
I'm cautiously optimistic, I've been literally looking for an excuse to pick up an arc gpu as it'd be perfect for my blackbird. One question, why is the Huc microcontroller not likely to be supported and what limitations would there be on video encoders without it?

To my recollection that microcontroller won’t be supported from Battlemage/future IGPs, and the driver maintainers consider implementing support outside the x86-only i915 driver to be too pernicious to be worth bothering with. IIRC the microcontroller’s responsible for configuration of parameters to be passed to the video encoder, so outside of some default setting it won’t be configurable. Once kernel support for the Xe driver is verified working I’ll throw my little Arc A380 in and take it for a test drive.
93
GPU Compute / Accelerators / Re: Intel Arc Support in Kernel 6.8
« Last post by r34per on February 09, 2024, 11:26:58 am »
I'm cautiously optimistic, I've been literally looking for an excuse to pick up an arc gpu as it'd be perfect for my blackbird. One question, why is the Huc microcontroller not likely to be supported and what limitations would there be on video encoders without it?
94
Talos II / Re: OpenBMC password
« Last post by bobpaul on February 07, 2024, 10:09:18 pm »
I'm still curious on how logging into the serial console is suppose to allow you to reset the password though. I don't see any OpenBMC documentation about it. I found this: https://docs.graphcore.ai/projects/bmc-user-guide/en/latest/serial-rescue.html ...but is it specific to graphcore processors or generic to OpenBMC?

I tried the instructions at graphcore.ai with no luck. But the instructions on the wiki for Resetting the BMC's Persistant Storage worked for me on two systems. After wiping the persistent storage, I was able to log into the BMC with the default password and get all the firmwares updated.
95
Talos II / Re: Using the μPCIe connector (J10108)
« Last post by bobpaul on February 07, 2024, 02:26:14 pm »
Has anyone tried this yet?
96
General OpenPOWER Discussion / Re: Using Older Radeon Cards On Talos II.
« Last post by MauryG5 on February 02, 2024, 07:19:12 am »
As an MPC I also use the Radeon with the switch after loading the operating system, he himself makes the switch from AST to Radeon.
97
General OpenPOWER Discussion / Re: Using Older Radeon Cards On Talos II.
« Last post by MPC7500 on January 30, 2024, 09:16:32 am »
On Petitboot I always use the framebuffer and on the OS I switch to the RDNA1 GPU.
98
General OpenPOWER Discussion / Using Older Radeon Cards On Talos II.
« Last post by xilinder on January 28, 2024, 11:58:53 am »
While messing around with F39 install and my 3 input monitor and the aspeed select jumper.

Sometime ago my fancy graphics card went belly-up and I installed a old RV-730 card. Of course it required the firmware blobs installed into petitboot for it to work, being lazy, or just not finding the time to go thru the pain of doing so, I have been running the T2 on the Aspeed VGA.

Upon running F39 install I noticed the DVI input was active on my monitor when the Aspeed jumper was on. The RV-730 was active! Wow...!

I reboot and just let it go thru all the startup again, without the F39 USBstick installed. This time it booted Debian 12 on the RV-730. This is using the 6.1.0-17 kernel. Another try using 6.1.0-16 kernel failed to boot the RV-730.

Hmm. lets try another old Radeon card. So installed a HD-6850 (BARTS)
card and it also works.

Now you can not see which OS to boot without installing the firmware into petitboot,but the keyboard is active and if you count how many times you click the up arrow key you can select other than the default OS to boot. Cool.

I only run Debian, so switch-on and it boots on the old Radeons without firmware in petitboot. With the jumper on it displays the boot sequence to a certain point then the display changes to the card and I have to select the DVI input on the monitor. If I do not have the Aspeed VGA plugged in then I miss all the boot stuff on the display and the first thing I see is the GUI login screen.

Questions?
 
99
GPU Compute / Accelerators / Re: Wx9100 on Talos II
« Last post by rheaplex on January 24, 2024, 09:39:38 pm »
Petitboot doesn’t work with the GPU now, no. I can always use the network console if the screens don’t come up after a minute, or reconnect the VGA to watch the IPL logs.
100
GPU Compute / Accelerators / Re: Wx9100 on Talos II
« Last post by ClassicHasClass on January 24, 2024, 09:27:25 pm »
Does that actually work in Petitboot?
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