[Bug 108676] [CI][BAT] igt at pm_rpm@module-reload - dmesg-warn - WARNING: possible circular locking dependency detected

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=108676

Chris Wilson <chris at chris-wilson.co.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |NOTOURBUG
             Status|NEW                         |RESOLVED

--- Comment #1 from Chris Wilson <chris at chris-wilson.co.uk> ---
That's an artifact of hitting the debugobject spam early on during boot:

<6>[    1.353329] Registered efivars operations
<4>[    1.353329] ODEBUG: object 0000000015ac3fa7 is NOT on stack
00000000cd66b6c5, but annotated.
<4>[    1.353329] WARNING: CPU: 0 PID: 1 at lib/debugobjects.c:369
__debug_object_init+0x281/0x560
<4>[    1.353329] Modules linked in:
<4>[    1.353329] CPU: 0 PID: 1 Comm: swapper/0 Not tainted
4.20.0-rc1-CI-CI_DRM_5089+ #1
<4>[    1.353329] Hardware name: System manufacturer System Product
Name/Z170M-PLUS, BIOS 3610 03/29/2018
<4>[    1.353329] RIP: 0010:__debug_object_init+0x281/0x560
<4>[    1.353329] Code: 84 55 fe ff ff 83 c0 01 48 89 de 48 c7 c7 50 6f 0d 82
89 05 1d 77 22 02 65 48 8b 04 25 00 4f 01 00 48 8b 50 18 e8 28 d4 c5 ff <0f> 0b
41 8b 44 24 10 83 f8 03 0f 85 2e fe ff ff 4c 89 e7 48 c7 c6
<4>[    1.353329] RSP: 0000:ffffc9000002bd10 EFLAGS: 00010082
<4>[    1.353329] RAX: 0000000000000050 RBX: ffffffff83ff98d0 RCX:
0000000000000000
<4>[    1.353329] RDX: 0000000000000000 RSI: ffffffff82128772 RDI:
00000000ffffffff
<4>[    1.353329] RBP: ffffffff8223c8a0 R08: 0000000000000000 R09:
0000000000000001
<4>[    1.353329] R10: ffffc9000002bc90 R11: 0000000000000000 R12:
ffff88022c2982f8
<4>[    1.353329] R13: ffffffff83747dc8 R14: 0000000000000206 R15:
0000000000081900
<4>[    1.353329] FS:  0000000000000000(0000) GS:ffff88022ea00000(0000)
knlGS:0000000000000000
<4>[    1.353329] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[    1.353329] CR2: 0000000000000000 CR3: 0000000005210001 CR4:
00000000003606f0
<4>[    1.353329] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
<4>[    1.353329] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
<4>[    1.353333] Call Trace:
<4>[    1.353343]  virt_efi_get_next_variable+0x9d/0x190
<4>[    1.353352]  efivar_init+0x11f/0x3a0
<4>[    1.353361]  ? efivar_ssdt_setup+0x3a/0x3a
<4>[    1.353370]  ? _raw_spin_unlock_irqrestore+0x4c/0x60
<4>[    1.353380]  ? lockdep_hardirqs_on+0xe0/0x1b0
<4>[    1.353389]  ? match_config_table.part.0+0x129/0x129
<4>[    1.353398]  ? efisubsys_init+0x155/0x2fc
<4>[    1.353405]  efisubsys_init+0x155/0x2fc
<4>[    1.353413]  ? match_config_table.part.0+0x129/0x129
<4>[    1.353422]  ? set_debug_rodata+0xc/0xc
<4>[    1.353430]  do_one_initcall+0x58/0x2e0
<4>[    1.353438]  ? set_debug_rodata+0xc/0xc
<4>[    1.353447]  kernel_init_freeable+0x2c0/0x352
<4>[    1.353455]  ? rest_init+0x250/0x250
<4>[    1.353463]  kernel_init+0x5/0x100
<4>[    1.353470]  ret_from_fork+0x3a/0x50
<4>[    1.353480] irq event stamp: 2233218
<4>[    1.353487] hardirqs last  enabled at (2233217): [<ffffffff81953d2c>]
_raw_spin_unlock_irqrestore+0x4c/0x60
<4>[    1.353503] hardirqs last disabled at (2233218): [<ffffffff81953b9d>]
_raw_spin_lock_irqsave+0xd/0x50
<4>[    1.353517] softirqs last  enabled at (2232116): [<ffffffff81c0033a>]
__do_softirq+0x33a/0x4b9
<4>[    1.353532] softirqs last disabled at (2232107): [<ffffffff8108df29>]
irq_exit+0xa9/0xc0
<4>[    1.353545] WARNING: CPU: 0 PID: 1 at lib/debugobjects.c:369
__debug_object_init+0x281/0x560
<4>[    1.353564] ---[ end trace 982afa883b783f4b ]---

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