[Bug 214029] [NAVI] Several memory leaks in amdgpu and ttm

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https://bugzilla.kernel.org/show_bug.cgi?id=214029

--- Comment #13 from Erhard F. (erhard_f@xxxxxxxxxxx) ---
Created attachment 298897
  --> https://bugzilla.kernel.org/attachment.cgi?id=298897&action=edit
bisect.log

Verified that the issue still exists in latest v5.15-rc2 and v5.14.6 and did a
bisect:

# possible first bad commit: [355b60296143a090039211c5f0e1463f84aab65a] Merge
drm/drm-next into drm-misc-next
# possible first bad commit: [91185d55b32e7e377f15fb46a62b216f8d3038d4] drm:
Remove DRM_KMS_FB_HELPER Kconfig option
# possible first bad commit: [a50e74bec1d17e95275909660c6b43ffe11ebcf0]
drm/zte: Don't select DRM_KMS_FB_HELPER
# possible first bad commit: [13b29cc3a722c2c0bc9ab9f72f9047d55d08a2f9]
drm/mxsfb: Don't select DRM_KMS_FB_HELPER
# possible first bad commit: [5dbf2fc587cb79cb366bd6e79ac6b52269d64fc5]
drm/vmwgfx: Make console emulation depend on DRM_FBDEV_EMULATION
# possible first bad commit: [c777dc9e793342ecdfc95045d2127a3ea32791a0]
drm/ttm: move the page_alignment into the BO v2
# possible first bad commit: [65747ded86b4608387d5618d14f0fe9dc88e17ea]
drm/ttm: minor range manager coding style clean ups
# possible first bad commit: [d02117f8efaa5fbc37437df1ae955a147a2a424a]
drm/ttm: remove special handling for non GEM drivers
# possible first bad commit: [13ea9aa1e7d891e950230e82f1dd2c84e5debcff]
drm/ttm: fix error handling if no BO can be swapped out v4
# possible first bad commit: [ae053fa234f42b4abc582372af7410ad0e3e1dad] drm:
bridge: adv7511: Support I2S IEC958 encoded PCM format

I had to skip a few commits as kmemleak did not properly work for some commits
due to:
[...]
[    0.706509] kmemleak: Cannot insert 0xffff953c1ba02f40 into the object
search tree (overlaps existing)
[    0.706514] CPU: 0 PID: 6 Comm: kthreadd Not tainted 5.12.0-rc3-bdver2+ #24
[    0.706518] Hardware name: Gigabyte Technology Co., Ltd. To be filled by
O.E.M./970-GAMING, BIOS F2 04/06/2016
[    0.706521] Call Trace:
[    0.706524]  dump_stack+0x69/0x8e
[    0.706531]  create_object.isra.0.cold+0x3b/0x5d
[    0.706536]  ? kthread+0x35/0x130
[    0.706537]  kmem_cache_alloc+0x15a/0x4a0
[    0.706537]  ? rescuer_thread+0x380/0x380
[    0.706537]  kthread+0x35/0x130
[    0.706537]  ? __kthread_bind_mask+0x60/0x60
[    0.706537]  ret_from_fork+0x22/0x30
[    0.706537] kmemleak: Kernel memory leak detector disabled
[    0.706537] kmemleak: Object 0xffff953c1ba00000 (size 2097152):
[    0.706537] kmemleak:   comm "swapper", pid 0, jiffies 4294877296
[    0.706537] kmemleak:   min_count = 0
[    0.706537] kmemleak:   count = 0
[    0.706537] kmemleak:   flags = 0x1
[    0.706537] kmemleak:   checksum = 0
[    0.706537] kmemleak:   backtrace:
[    0.706537]      memblock_alloc_internal+0xb8/0x152
[    0.706537]      memblock_alloc_try_nid+0xa0/0xf3
[    0.706537]      kfence_alloc_pool+0x59/0xbf
[    0.706537]      start_kernel+0x2b3/0x61a
[    0.706537]      secondary_startup_64_no_verify+0xb0/0xbb

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