Created attachment 855776 [details]
Complete dmesg
After the latest major Tumbleweed upgrade, wifi stopped working and I see the
following backtrace in the kernel log (fortunately, it boots up successfully).
[ 6.384503] NET: Registered PF_ALG protocol family
[ 6.797490] irq 16: nobody cared (try booting with the "irqpoll" option)
[ 6.797495] CPU: 4 PID: 0 Comm: swapper/4 Not tainted 5.16.2-1-default #1
openSUSE Tumbleweed b40a195b7ff0f3399a616c3290f963c4ad189e84
[ 6.797498] Hardware name: Dell Inc. XPS 15 9550/0N7TVV, BIOS 1.14.0
02/13/2020
[ 6.797499] Call Trace:
[ 6.797501] <IRQ>
[ 6.797503] dump_stack_lvl+0x48/0x5e
[ 6.797508] __report_bad_irq+0x35/0xa7
[ 6.797510] note_interrupt.cold+0xb/0x61
[ 6.797512] handle_irq_event+0xa3/0xb0
[ 6.797515] handle_fasteoi_irq+0x78/0x1d0
[ 6.797518] __common_interrupt+0x3e/0xa0
[ 6.797521] common_interrupt+0x7b/0xa0
[ 6.797524] </IRQ>
[ 6.797524] <TASK>
[ 6.797525] asm_common_interrupt+0x1e/0x40
[ 6.797528] RIP: 0010:poll_idle+0x30/0xb3
[ 6.797530] Code: 56 49 89 f6 41 55 41 89 d5 41 54 55 48 89 fd 53 65 8b 3d
9b 46 da 79 e8 ae 24 66 ff 80 65 00 fb 49 89 c4 fb 66 0f 1f 44 00 00 <65> 48 8b
1c 25 c0 1b 02 00 f0 80 4b 02 20 48 8b 03 a8 08 74 32 65
[ 6.797531] RSP: 0018:ffffa990c00f7e78 EFLAGS: 00000206
[ 6.797533] RAX: 000000019529603d RBX: 0000000000000000 RCX:
000000000000001f
[ 6.797535] RDX: 0000000000000000 RSI: 000000003161efb0 RDI:
fffffffd43b9ef94
[ 6.797536] RBP: ffffc990bfd00200 R08: 000000019529603d R09:
0000000000000007
[ 6.797537] R10: 0000000000000003 R11: 0000000000000001 R12:
000000019529603d
[ 6.797538] R13: 0000000000000000 R14: ffffffff8765b5a0 R15:
0000000000000000
[ 6.797540] ? poll_idle+0x22/0xb3
[ 6.797542] cpuidle_enter_state+0x89/0x370
[ 6.797545] cpuidle_enter+0x29/0x40
[ 6.797547] do_idle+0x1f2/0x2a0
[ 6.797549] cpu_startup_entry+0x19/0x20
[ 6.797551] secondary_startup_64_no_verify+0xc2/0xcb
[ 6.797554] </TASK>
[ 6.797555] handlers:
[ 6.797556] [<000000003b57416c>] i801_isr [i2c_i801]
[ 6.797561] [<0000000089f1b8b1>] idma64_irq [idma64]
[ 6.797564] [<0000000037a52855>] i2c_dw_isr
[ 6.797567] Disabling IRQ #16
[ 11.500271] nouveau 0000:01:00.0: bus: MMIO read of 00000000 FAULT at 6013d4
[ PRIVRING ]