[Bug 202511] New: amdgpu fails to load saying "Could not allocate 8192 bytes percpu data"

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=202511

            Bug ID: 202511
           Summary: amdgpu fails to load saying "Could not allocate 8192
                    bytes percpu data"
           Product: Drivers
           Version: 2.5
    Kernel Version: 4.20.6
          Hardware: x86-64
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri at kernel-bugs.osdl.org
          Reporter: mikealeonetti at gmail.com
        Regression: No

Created attachment 281007
  --> https://bugzilla.kernel.org/attachment.cgi?id=281007&action=edit
crashing dmesg

Working on 4.17.19 (which is what I use) but any kernel 4.19* 4.20* I try has
this issue. Built amdgpu as a module, when it tries to load it (or I try to
modprobe it) I get

[    4.376629] amdgpu: Could not allocate 8192 bytes percpu data
[    4.377316] ath10k_pci 0000:02:00.0: board_file api 2 bmi_id N/A crc32
8aedfa4a
[    4.382128] percpu: allocation failed, size=8192 align=4096 atomic=0, alloc
from reserved chunk failed
[    4.382133] CPU: 1 PID: 2620 Comm: systemd-udevd Not tainted 4.20.6-gentoo
#1
[    4.382135] Hardware name: Acer Aspire A315-41/Metapod_RR, BIOS V1.11
10/30/2018
[    4.382137] Call Trace:
[    4.382148]  dump_stack+0x46/0x5b
[    4.382154]  pcpu_alloc+0x56e/0x590
[    4.382160]  ? find_module_all+0x4c/0x80
[    4.382165]  load_module+0xb51/0x1e80
[    4.382170]  ? wait_woken+0x80/0x80
[    4.382175]  __se_sys_finit_module+0xe0/0xf0
[    4.382180]  do_syscall_64+0x4a/0x100
[    4.382185]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[    4.382189] RIP: 0033:0x7fb64cd77fb9
[    4.382193] Code: 00 00 00 75 05 48 83 c4 18 c3 e8 42 a5 01 00 66 90 48 89
f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01
f0 ff ff 73 01 c3 48 8b 0d 9f 4e 2c 00 f7 d8 64 89 01 48
[    4.382196] RSP: 002b:00007ffe5fe76eb8 EFLAGS: 00000246 ORIG_RAX:
0000000000000139
[    4.382200] RAX: ffffffffffffffda RBX: 00005615a81b2c10 RCX:
00007fb64cd77fb9
[    4.382202] RDX: 0000000000000000 RSI: 00007fb64dd3c1c5 RDI:
000000000000000f
[    4.382204] RBP: 0000000000000000 R08: 0000000000000000 R09:
0000000000000000
[    4.382206] R10: 000000000000000f R11: 0000000000000246 R12:
00005615a81d0290
[    4.382209] R13: 00007fb64dd3c1c5 R14: 0000000000020000 R15:
0000000003938700


And it won't load.

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