HI Aman, On Mon, Mar 23, 2026 at 07:50:42PM +0530, Aman Dhoot wrote: > Hi, Salvatore > > On Sun, Mar 22, 2026 at 1:43???PM Salvatore Bonaccorso <[email protected]> > wrote: > > > Hi Aman, > > > > On Fri, Mar 20, 2026 at 10:58:40PM +0530, Aman Dhoot wrote: > > > As you told, I bisect the kernel, and this is the log > > > > > > **************************************************************** > > > > > > $ git bisect log > > > git bisect start > > > # status: waiting for both good and bad commits > > > # good: [567bd8cbc2fe6b28b78864cbbbc41b0d405eb83c] Linux 6.12.63 > > > git bisect good 567bd8cbc2fe6b28b78864cbbbc41b0d405eb83c > > > # status: waiting for bad commit, 1 good commit known > > > # bad: [ff2177382799753070b71747f646963147eabc7c] Linux 6.12.69 > > > git bisect bad ff2177382799753070b71747f646963147eabc7c > > > # good: [ebdbe19336f26ffe799db842d751745098dc11ff] ASoC: renesas: rz-ssi: > > > Fix rz_ssi_priv::hw_params_cache::sample_width > > > git bisect good ebdbe19336f26ffe799db842d751745098dc11ff > > > # bad: [e79b03d386341e85a4f775e0a864e8aa7633a0a2] HID: intel-ish-hid: Use > > > dedicated unbound workqueues to prevent resume blocking > > > git bisect bad e79b03d386341e85a4f775e0a864e8aa7633a0a2 > > > # good: [feb28b6827ece47cce585599a00b02ee579532bc] powercap: fix sscanf() > > > error return value handling > > > git bisect good feb28b6827ece47cce585599a00b02ee579532bc > > > # good: [68495f89a19b6835e388b89b2ffecc0c68f9666c] selftests/landlock: > > Fix > > > TCP bind(AF_UNSPEC) test case > > > git bisect good 68495f89a19b6835e388b89b2ffecc0c68f9666c > > > # good: [4433ddc3700cea880c383a6ddfc0e2ab697f9bdf] EDAC/x38: Fix a > > resource > > > leak in x38_probe1() > > > git bisect good 4433ddc3700cea880c383a6ddfc0e2ab697f9bdf > > > # bad: [94b010200a3c9a8420a9063344cedbcd71794c8f] LoongArch: dts: > > > loongson-2k0500: Add default interrupt controller address cells > > > git bisect bad 94b010200a3c9a8420a9063344cedbcd71794c8f > > > # good: [654fa76032eee5df9ce8849bdff840595952c63d] mm/page_alloc: make > > > percpu_pagelist_high_fraction reads lock-free > > > git bisect good 654fa76032eee5df9ce8849bdff840595952c63d > > > # bad: [8140ac7c55e75093a01c6110a2c4025fe7177c57] drm/amd: Clean up kfd > > > node on surprise disconnect > > > git bisect bad 8140ac7c55e75093a01c6110a2c4025fe7177c57 > > > # good: [df7a49b328928b6d6b174d954d63721d6f3848a2] LoongArch: Fix PMU > > > counter allocation for mixed-type event groups > > > git bisect good df7a49b328928b6d6b174d954d63721d6f3848a2 > > > # good: [ae5b1d291c814a2884c3d54a56e83bc99052b1eb] drm/amd/display: Bump > > > the HDMI clock to 340MHz > > > git bisect good ae5b1d291c814a2884c3d54a56e83bc99052b1eb > > > # first bad commit: [8140ac7c55e75093a01c6110a2c4025fe7177c57] drm/amd: > > > Clean up kfd node on surprise disconnect > > > > > > > > ********************************************************************************************** > > > > > > When the bisect is an end, it provides this output: > > > > > > > > > 8140ac7c55e75093a01c6110a2c4025fe7177c57 is the first bad commit > > > commit 8140ac7c55e75093a01c6110a2c4025fe7177c57 > > > Author: Mario Limonciello (AMD) <[email protected]> > > > Date: Wed Jan 7 15:37:28 2026 -0600 > > > > > > drm/amd: Clean up kfd node on surprise disconnect > > > > > > commit 28695ca09d326461f8078332aa01db516983e8a2 upstream. > > > > > > When an eGPU is unplugged the KFD topology should also be destroyed > > > for that GPU. This never happens because the fini_sw callbacks never > > > get to run. Run them manually before calling > > > amdgpu_device_ip_fini_early() > > > when a device has already been disconnected. > > > > > > This location is intentionally chosen to make sure that the kfd > > locking > > > refcount doesn't get incremented unintentionally. > > > > > > Cc: [email protected] > > > Closes: https://community.frame.work/t/amd-egpu-on-linux/8691/33 > > > Signed-off-by: Mario Limonciello (AMD) <[email protected]> > > > Reviewed-by: Kent Russell <[email protected]> > > > Signed-off-by: Alex Deucher <[email protected]> > > > (cherry picked from commit 6a23e7b4332c10f8b56c33a9c5431b52ecff9aab) > > > Cc: [email protected] > > > Signed-off-by: Greg Kroah-Hartman <[email protected]> > > > > > > drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 8 ++++++++ > > > 1 file changed, 8 insertions(+) > > > > > > > > > According to me, this commit exists in the kernel version 6.12.66, and > > the > > > problem also exists in v6.12.66 > > > > Thanks for doing that. It looks this is a regression fixed by > > f7afda7fcd16 ("drm/amd: Fix hang on amdgpu unload by using > > pci_dev_is_disconnected()"), which was backported to as well 6.22.77. > > > > If possible it would be great if you can test that indeed this fixes > > the problem. Cf. > > https://kernel-team.pages.debian.net/kernel-handbook/ch-common-tasks.html#id-1.6.6.4 > > > > Regards, > > Salvatore > > > > Yesterday, I tested the patch f7afda7fcd16 ("drm/amd: Fix hang on amdgpu > unload by using pci_dev_is_disconnected()") on Debian linux-source-6.12. I > can confirm that it fixed the issue???the hook script now runs completely and > the VM starts, so it is working as expected.
Thanks for confirming that. > Could you tell me when this patch will be merged into the stable Trixie > kernel (v6.12) or into the Trixie backports kernel? It is included in 6.12.77 and so will be picked up by the next trixie upload for 6.12.y. Regards, Salvatore
