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Subject[bug] 5.11-rc5 brought page allocation failure issue [ttm][amdgpu]
The 5.11-rc5 (git 76c057c84d28) brought a new issue.
Now the kernel log is flooded with the message "page allocation failure".

Trace:
msedge:cs0: page allocation failure: order:10,
mode:0x190cc2(GFP_HIGHUSER|__GFP_NORETRY|__GFP_NOMEMALLOC),
nodemask=(null),cpuset=/,mems_allowed=0
CPU: 18 PID: 4540 Comm: msedge:cs0 Tainted: G W
--------- --- 5.11.0-0.rc5.20210128git76c057c84d28.138.fc34.x86_64 #1
Hardware name: System manufacturer System Product Name/ROG STRIX
X570-I GAMING, BIOS 3402 01/13/2021
Call Trace:
dump_stack+0x8b/0xb0
warn_alloc.cold+0x72/0xd6
? _cond_resched+0x16/0x50
? __alloc_pages_direct_compact+0x1a1/0x210
__alloc_pages_slowpath.constprop.0+0xf64/0xf90
? kmem_cache_alloc+0x299/0x310
? lock_acquire+0x173/0x380
? trace_hardirqs_on+0x1b/0xe0
? lock_release+0x1e9/0x400
__alloc_pages_nodemask+0x37d/0x400
ttm_pool_alloc+0x2a3/0x630 [ttm]
ttm_tt_populate+0x37/0xe0 [ttm]
ttm_bo_handle_move_mem+0x142/0x180 [ttm]
ttm_bo_evict+0x12e/0x1b0 [ttm]
? kfree+0xeb/0x660
? amdgpu_vram_mgr_new+0x34d/0x3d0 [amdgpu]
ttm_mem_evict_first+0x101/0x4d0 [ttm]
ttm_bo_mem_space+0x2c8/0x330 [ttm]
ttm_bo_validate+0x163/0x1c0 [ttm]
amdgpu_cs_bo_validate+0x82/0x190 [amdgpu]
amdgpu_cs_list_validate+0x105/0x150 [amdgpu]
amdgpu_cs_ioctl+0x803/0x1ef0 [amdgpu]
? trace_hardirqs_off_caller+0x41/0xd0
? amdgpu_cs_find_mapping+0xe0/0xe0 [amdgpu]
drm_ioctl_kernel+0x8c/0xe0 [drm]
drm_ioctl+0x20f/0x3c0 [drm]
? amdgpu_cs_find_mapping+0xe0/0xe0 [amdgpu]
? selinux_file_ioctl+0x147/0x200
? lock_acquired+0x1fa/0x380
? lock_release+0x1e9/0x400
? trace_hardirqs_on+0x1b/0xe0
amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
__x64_sys_ioctl+0x82/0xb0
do_syscall_64+0x33/0x40
entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f829c36c11b
Code: ff ff ff 85 c0 79 9b 49 c7 c4 ff ff ff ff 5b 5d 4c 89 e0 41 5c
c3 66 0f 1f 84 00 00 00 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d
01 f0 ff ff 73 01 c3 48 8b 0d 25 bd 0c 00 f7 d8 64 89 01 48
RSP: 002b:00007f8282c14f38 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f8282c14fa0 RCX: 00007f829c36c11b
RDX: 00007f8282c14fa0 RSI: 00000000c0186444 RDI: 0000000000000018
RBP: 00000000c0186444 R08: 00007f8282c15640 R09: 00007f8282c14f80
R10: 0000000000000000 R11: 0000000000000246 R12: 00001f592c0fe088
R13: 0000000000000018 R14: 0000000000000000 R15: 00000000fffffffd
Mem-Info:
active_anon:24325 inactive_anon:3569299 isolated_anon:0
active_file:704540 inactive_file:2709725 isolated_file:0
unevictable:1230 dirty:256317 writeback:7074
slab_reclaimable:222328 slab_unreclaimable:112852
mapped:838359 shmem:469422 pagetables:47722 bounce:0
free:107165 free_pcp:1298 free_cma:0
Node 0 active_anon:97300kB inactive_anon:14277196kB
active_file:2818160kB inactive_file:10838900kB unevictable:4920kB
isolated(anon):0kB isolated(file):0kB mapped:3353436kB dirty:1025268kB
writeback:28296kB shmem:1877688kB shmem_thp: 0kB shmem_pmdmapped: 0kB
anon_thp: 0kB writeback_tmp:0kB kernel_stack:62528kB
pagetables:190888kB all_unreclaimable? no
Node 0 DMA free:11800kB min:32kB low:44kB high:56kB
reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB
active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB
present:15992kB managed:15900kB mlocked:0kB bounce:0kB free_pcp:0kB
local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 3056 31787 31787 31787
Node 0 DMA32 free:303044kB min:6492kB low:9620kB high:12748kB
reserved_highatomic:0KB active_anon:20kB inactive_anon:1322808kB
active_file:5136kB inactive_file:483136kB unevictable:0kB
writepending:220876kB present:3314552kB managed:3246620kB mlocked:0kB
bounce:0kB free_pcp:4kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 28731 28731 28731
Node 0 Normal free:113816kB min:61052kB low:90472kB high:119892kB
reserved_highatomic:0KB active_anon:97280kB inactive_anon:12953852kB
active_file:2812656kB inactive_file:10355000kB unevictable:4920kB
writepending:832688kB present:30133248kB managed:29421044kB
mlocked:4920kB bounce:0kB free_pcp:5180kB local_pcp:4kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 0*4kB 1*8kB (U) 1*16kB (U) 0*32kB 2*64kB (U) 1*128kB (U)
1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 2*4096kB (M) = 11800kB
Node 0 DMA32: 1009*4kB (UME) 724*8kB (UME) 488*16kB (UME) 1111*32kB
(UME) 950*64kB (UME) 620*128kB (UME) 223*256kB (UME) 74*512kB (M)
11*1024kB (M) 2*2048kB (ME) 0*4096kB = 303684kB
Node 0 Normal: 964*4kB (UME) 719*8kB (ME) 379*16kB (UME) 192*32kB
(UME) 127*64kB (UME) 130*128kB (UME) 122*256kB (UME) 18*512kB (UME)
4*1024kB (UM) 11*2048kB (UM) 0*4096kB = 113656kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0
hugepages_size=1048576kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
3881804 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 67108860kB
Total swap = 67108860kB
8365948 pages RAM
0 pages HighMem/MovableOnly
195057 pages reserved
0 pages cma reserved
0 pages hwpoisoned

Full kernel log: https://pastebin.com/dJEzxzQ7

$ /usr/src/kernels/`uname -r`/scripts/faddr2line
/lib/debug/lib/modules/`uname
-r`/kernel/drivers/gpu/drm/ttm/ttm.ko.debug ttm_pool_alloc+0x2a3
ttm_pool_alloc+0x2a3/0x630:
alloc_pages at /usr/src/debug/kernel-20210128git76c057c84d28/linux-5.11.0-0.rc5.20210128git76c057c84d28.138.fc34.x86_64/./include/linux/gfp.h:547
(inlined by) ttm_pool_alloc_page at
/usr/src/debug/kernel-20210128git76c057c84d28/linux-5.11.0-0.rc5.20210128git76c057c84d28.138.fc34.x86_64/drivers/gpu/drm/ttm/ttm_pool.c:91
(inlined by) ttm_pool_alloc at
/usr/src/debug/kernel-20210128git76c057c84d28/linux-5.11.0-0.rc5.20210128git76c057c84d28.138.fc34.x86_64/drivers/gpu/drm/ttm/ttm_pool.c:383



--
Best Regards,
Mike Gavrilov.

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