opal_i2cm4: <centaur-i2cm> on powernv_xscom1
iichb7: <opal-i2c> on opal_i2cm4
iicbus7: <OFW I2C bus> on iichb7
iic7: <I2C generic I/O> on iicbus7
iicbus7: <unknown card> at addr 0xa4
iichb8: <opal-i2c> on opal_i2cm4
iicbus8: <OFW I2C bus> on iichb8
iic8: <I2C generic I/O> on iicbus8
iicbus8: <unknown card> at addr 0xac
done.
   0xc000000002d2780c(0)... done.
   0xc000000002d008a0(0)... done.
   0xc00000000269cedc(0)... done.
   0xc0000000028e0ffc(0)... done.
   0xc0000000029b97d8(0)... done.
   0xc0000000029901e0(0)... done.
   0xc000000002d48788(0)... done.
subsystem 4000000
   module_register_init(0xc000000003480da8)... trap_pfault vm_fault=>rv = 1

handled kernel trap:

   exception       = 0x300 (data storage interrupt)
   virtual address = 0x50
   dsisr           = 0x80000
   srr0            = 0xc000000002913600 (0x613600)
   srr1            = 0x9000000000009032
   current msr     = 0x9000000000009032
   lr              = 0xc0000000029ae5ac (0x6ae5ac)
   curthread       = 0xc0000000a41ea000
          pid = 0, comm = nvme taskq asid: 1


fatal kernel trap:

   exception       = 0x300 (data storage interrupt)
   virtual address = 0x50
   dsisr           = 0x80000
   srr0            = 0xc000000002913600 (0x613600)
   srr1            = 0x9000000000009032
   current msr     = 0x9000000000009032
   lr              = 0xc0000000029ae5ac (0x6ae5ac)
   curthread       = 0xc0000000a41ea000
          pid = 0, comm = nvme taskq asid: 1

[ thread pid 0 tid 100183 ]
Stopped at      __mtx_assert+0x6c:      ld      r8, r3, 0x0
db>