You can try booting with:
boot -c
> disable amdgpu0
> quit
That will probably put you into boring vga graphics, you can compile, and
test quickly.
Avon Robertson <avo...@xtra.co.nz> wrote:
> On Thu, Mar 07, 2024 at 03:50:15PM +1100, Jonathan Gray wrote:
> > Thanks for the detailed report.
> >
> > smu7_powergate_uvd+0x23
> > pp_set_powergating_by_smu+0x15a
> > amdgpu_dpm_enable_uvd+0xc1
> > taskq_thread
> >
> > POLARIS10 has UVD 6.3
> >
> > If driver init fails the task gets removed by:
> >
> > cancel_delayed_work_sync(&adev->uvd.idle_work);
> >
> > uvd_v6_0_hw_fini
> > amdgpu_device_ip_fini_early
> > amdgpu_device_fini_hw
> > amdgpu_driver_unload_kms
> > amdgpu_driver_load_kms
> > amdgpu_attachhook
> >
> > but your trace must occur before that gets cleaned up
> >
> > smu7_powergate_uvd+0x23 is
> > /sys/dev/pci/drm/amd/pm/powerplay/hwmgr/smu7_clockpowergating.c:118
> >
> > 114 void smu7_powergate_uvd(struct pp_hwmgr *hwmgr, bool bgate)
> > 115 {
> > 116 struct smu7_hwmgr *data = (struct smu7_hwmgr
> > *)(hwmgr->backend);
> > 117
> > 118 data->uvd_power_gated = bgate;
> >
> > Try the following revert of
> > 'drm/amd/pm/smu7: fix a memleak in smu7_hwmgr_backend_init'
> > https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-6.6.y&id=ae7cbf935b9a1b41f65fe6443e7cd0c401500b20
> >
> > The matching OpenBSD commit was rev 1.9
> > date: 2024/01/29 01:51:19; author: jsg; state: Exp; lines: +5 -1;
> > commitid: cUHNbtd9MymExldJ;
> >
> > Index: sys/dev/pci/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c
> > ===================================================================
> > RCS file: /cvs/src/sys/dev/pci/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c,v
> > diff -u -p -r1.10 smu7_hwmgr.c
> > --- sys/dev/pci/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c 6 Feb 2024
> > 03:55:02 -0000 1.10
> > +++ sys/dev/pci/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c 7 Mar 2024
> > 02:43:27 -0000
> > @@ -2974,8 +2974,6 @@ static int smu7_hwmgr_backend_init(struc
> > result = smu7_get_evv_voltages(hwmgr);
> > if (result) {
> > pr_info("Get EVV Voltage Failed. Abort Driver
> > loading!\n");
> > - kfree(hwmgr->backend);
> > - hwmgr->backend = NULL;
> > return -EINVAL;
> > }
> > } else {
> > @@ -3021,10 +3019,8 @@ static int smu7_hwmgr_backend_init(struc
> > }
> >
> > result = smu7_update_edc_leakage_table(hwmgr);
> > - if (result) {
> > - smu7_hwmgr_backend_fini(hwmgr);
> > + if (result)
> > return result;
> > - }
> >
> > return 0;
> > }
> >
>
> Thank you for your response Jonathon.
>
> I will do as you have suggested and inform bugs@ of the result.
>
> It will take me a day or so to do that however. Compiling the new
> kernel on another machine will be ok. Getting it installed on the
> problem machine will need some reconfiguration using an install75.img
> USB flash drive's shell which should be staightforward.
>
> --
> aer
>
