Created attachment 234281 [details]
core.txt

Happen at least on 5750G, fresh 13.1 amd64, drm510-kmod.
On second boot after power on - no panic.


I suppose that this = NULL:
rirb_base = (struct hdac_rirb *)sc->rirb_dma.dma_vaddr;

and it fail on:
		rirb = &rirb_base[sc->rirb_rp];
		resp = le32toh(rirb->response);



[4] hdac0: <ATI (0x1637) HDA Controller> mem 0xfca88000-0xfca8bfff at device 0.1 on pci10
[4] hdac1: <AMD Raven HDA Controller> mem 0xfca80000-0xfca87fff at device 0.6 on pci10
[4]
[4]
[4] Fatal trap 12: page fault while in kernel mode
[4] cpuid = 0; apic id = 00
[4] fault virtual address       = 0x8
[4] fault code          = supervisor read data, page not present
[4] instruction pointer = 0x20:0xffffffff81e8503a
[4] stack pointer               = 0x28:0xfffffe01561e4e10
[4] frame pointer               = 0x28:0xfffffe01561e4e60
[4] code segment                = base rx0, limit 0xfffff, type 0x1b
[4]                     = DPL 0, pres 1, long 1, def32 0, gran 1
[4] processor eflags    = interrupt enabled, resume, IOPL = 0
[4] current process             = 11 (irq78: hdac1)
[4] trap number         = 12
[4] panic: page fault
[4] cpuid = 0
[4] time = 1653708921
[4] KDB: stack backtrace:
[4] #0 0xffffffff8068420b at kdb_backtrace+0x6b
[4] #1 0xffffffff80639fdf at vpanic+0x17f
[4] #2 0xffffffff80639e53 at panic+0x43
[4] #3 0xffffffff80946f05 at trap_fatal+0x385
[4] #4 0xffffffff80946f5f at trap_pfault+0x4f
[4] #5 0xffffffff8091d52e at calltrap+0x8
[4] #6 0xffffffff80604c44 at ithread_loop+0x244
[4] #7 0xffffffff806019b7 at fork_exit+0x77
[4] #8 0xffffffff8091e5ae at fork_trampoline+0xe
[4] Uptime: 4s


__curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:55
55              __asm("movq %%gs:%P1,%0" : "=r" (td) : "n" (offsetof(struct pcpu,
(kgdb) #0  __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:55
#1  doadump (textdump=<optimized out>)
    at /usr/src/sys/kern/kern_shutdown.c:399
#2  0xffffffff80639bdb in kern_reboot (howto=260)
    at /usr/src/sys/kern/kern_shutdown.c:487
#3  0xffffffff8063a04e in vpanic (fmt=0xffffffff8098b054 "%s",
    ap=<optimized out>) at /usr/src/sys/kern/kern_shutdown.c:920
#4  0xffffffff80639e53 in panic (fmt=<unavailable>)
    at /usr/src/sys/kern/kern_shutdown.c:844
#5  0xffffffff80946f05 in trap_fatal (frame=0xfffffe01561e4d50, eva=8)
    at /usr/src/sys/amd64/amd64/trap.c:944
#6  0xffffffff80946f5f in trap_pfault (frame=0xfffffe01561e4d50,
    usermode=false, signo=<optimized out>, ucode=<optimized out>)
    at /usr/src/sys/amd64/amd64/trap.c:763
#7  <signal handler called>
#8  hdac_rirb_flush (sc=0xfffff80002221000)
    at /usr/src/sys/dev/sound/pci/hda/hdac.c:959
#9  hdac_one_intr (sc=0xfffff80002221000, intsts=3221225472)
    at /usr/src/sys/dev/sound/pci/hda/hdac.c:343
#10 hdac_intr_handler (context=0xfffff80002221000)
    at /usr/src/sys/dev/sound/pci/hda/hdac.c:390
#11 0xffffffff80604c44 in intr_event_execute_handlers (ie=0xfffff80002236100,
    p=<optimized out>) at /usr/src/sys/kern/kern_intr.c:1167
#12 ithread_execute_handlers (ie=<optimized out>, p=<optimized out>)
    at /usr/src/sys/kern/kern_intr.c:1180
#13 ithread_loop (arg=0xfffff80002220e80)
    at /usr/src/sys/kern/kern_intr.c:1268
#14 0xffffffff806019b7 in fork_exit (
    callout=0xffffffff80604a00 <ithread_loop>, arg=0xfffff80002220e80,
    frame=0xfffffe01561e4f40) at /usr/src/sys/kern/kern_fork.c:1093
#15 <signal handler called>
#16 mi_startup () at /usr/src/sys/kern/init_main.c:322
Backtrace stopped: Cannot access memory at address 0x120f008