On Sun, Jun 22, 2025 at 05:03:02PM -0400, Jose Maldonado wrote:
> El 22/6/25 a las 16:20, Stuart Henderson escribió:
> > On 2025/06/22 15:50, Jose Maldonado wrote:
> > > El 22/6/25 a las 13:13, Stuart Henderson escribió:
> > > > On 2025/06/22 15:35, Vlad Biley wrote:
> > > > > Hello. An Intel Arc A310 GPU (not limited to; more:
> > > > > https://www.reddit.com/r/openbsd/comments/
> > > > > 1lbecs2/intel_arc_gpu_support/) does not work:
> > > > >
> > > > > OpenBSD 7.7 (GENERIC.MP) #625: Sun Apr 13 08:30:20 MDT 2025
> > > > > ...
> > > > > ppb3 at pci3 dev 0 function 0 "AMD 500 Series PCIE" rev 0x00: msi
> > > > > pci4 at ppb3 bus 4
> > > > > ppb4 at pci4 dev 0 function 0 vendor "Intel", unknown product 0x4fa1
> > > > > rev 0x01
> > > > > pci5 at ppb4 bus 5
> > > > > ppb5 at pci5 dev 1 function 0 vendor "Intel", unknown product 0x4fa4
> > > > > rev 0x00
> > > > > pci6 at ppb5 bus 6
> > > > > "Intel Arc A310" rev 0x05 at pci6 dev 0 function 0 not configured
> > > > > ppb6 at pci5 dev 4 function 0 vendor "Intel", unknown product 0x4fa4
> > > > > rev 0x00
> > > > > pci7 at ppb6 bus 7
> > > > > azalia0 at pci7 dev 0 function 0 vendor "Intel", unknown product
> > > > > 0x4f92 rev 0x00: msi
> > > > > azalia0: no supported codecs
> > > > >
> > > > > The full dmesg: https://pastebin.com/7SgSw1n3
> > > > > Related: https://marc.info/?l=openbsd-tech&m=167507478105125&w=2
> > > >
> > > > The diff from the post in "related" won't apply directly but you could
> > > > try what is basically rhe same thing by removing
> > > >
> > > > .require_force_probe = 1,
> > > >
> > > > from struct intel_device_info dg2_info in
> > > > sys/dev/pci/drm/i915/i915_pci.c
> > > >
> > > > If it doesn't work with 7.7 it may be worth trying again with -current
> > > >
> > > >
> > >
> > > Hi! How this patch is unrelated with this issue?
> >
> > It's not unrelated. It is related, but it doesn't apply to the current
> > source tree.
>
> Ya, sure! The patch is from 2023, I apply this change by hand. Work, the GPU
> is detected, but not fully initialized.
>
> I should add that, unlike @tfrohwein, my machine doesn't have an iGPU, and
> yet it's not properly initialized.
>
> In @jsg's debug, he mentions that the VGA arbiter may not have the necessary
> logic to handle multiple inteldrm instances on a single machine, and that
> this would require more work.
DG2 remains disabled as there is some kind of memory corruption.
I put a card in a machine today to check again with -current:
inteldrm0 at pci12 dev 0 function 0 "Intel Arc Pro A40/A50" rev 0x05
drm0 at inteldrm0
inteldrm0: msi, DG2, gen 12
...
intel_slicemask_from_xehp_dssmask: stub
intel_slicemask_from_xehp_dssmask: stub
i915_resize_lmem_bar: stub
Data modified on freelist: word 1474236 of object 0xffff800000e76010 size 0x10
previous type free (invalid addr 0x1f6bde33e90226f6)
intel_slicemask_from_xehp_dssmask: stub
kernel: protection fault trap, code=0
Stopped at malloc+0x4ed: movq 0x8(%r14),%rax
ddb{1}> tr
malloc(8,91,d) at malloc+0x4ed
ttm_tt_init(ffff800000e47800,ffff800000e38480,c,2,0) at ttm_tt_init+0x8f
i915_ttm_tt_create(ffff800000e38480,0) at i915_ttm_tt_create+0x12c
ttm_tt_create(ffff800000e38480,1) at ttm_tt_create+0x65
ttm_bo_handle_move_mem(ffff800000e38480,ffff800000e6dc00,0,ffffffff83073bc8,ffffffff83073aa0)
at ttm_bo_handle_move_mem+0x9f
ttm_bo_validate(ffff800000e38480,ffffffff82a6d6a0,ffffffff83073bc8) at
ttm_bo_validate+0x174
ttm_bo_init_reserved(ffff8000002499d0,ffff800000e38480,1,ffffffff82a6d6a0,1,ffffffff83073bc8,29484ceb0a3ab638,1,ffff800000e38480)
at ttm_bo_init_reserved+0x1bf
__i915_gem_ttm_object_init(ffff8000002fb800,ffff800000e38480,ffffffffffffffff,1000,1000,21)
at __i915_gem_ttm_object_init+0x166
__i915_gem_object_create_region(ffff8000002fb800,ffffffffffffffff,1000,1000,20)
at __i915_gem_object_create_region+0x130
alloc_pt_lmem(ffff800000e71c00,1000) at alloc_pt_lmem+0x35
gen8_ppgtt_create(ffff800000304000,20) at gen8_ppgtt_create+0x2c4
intel_gt_init(ffff800000304000) at intel_gt_init+0x1c2
i915_gem_init(ffff800000247000) at i915_gem_init+0x314
i915_driver_probe(ffff800000247000,0) at i915_driver_probe+0x90d
inteldrm_attachhook(ffff800000247000) at inteldrm_attachhook+0x50
config_process_deferred_mountroot() at config_process_deferred_mountroot+0x64
main(e) at main+0x861
end trace frame: 0x0, count: -17
