#0  rr_write_item (item=...) at /home/moyix/git/panda/panda/src/rr/rr_log.c:267
267         if (!rr_in_record()) return;
(rr) bt
#0  rr_write_item (item=...) at /home/moyix/git/panda/panda/src/rr/rr_log.c:267
#1  0x000055bb9b4ad274 in rr_record_input_4 (call_site=RR_CALLSITE_READ_4, data=0) at /home/moyix/git/panda/panda/src/rr/rr_log.c:376
#2  0x000055bb9b4d1397 in rr_input_4_at (call_site=RR_CALLSITE_READ_4, val=0x7fafe08f5b84) at /home/moyix/git/panda/panda/include/panda/rr/rr_log_all.h:306
#3  0x000055bb9b4d13d8 in rr_input_4 (val=0x7fafe08f5b84) at /home/moyix/git/panda/panda/include/panda/rr/rr_log_all.h:306
#4  0x000055bb9b4d8929 in address_space_read_continue (as=0x55bb9ec00280, addr=1342178240, attrs=..., buf=0x7fafe08f5db4 "\273U", len=4, addr1=960, l=4, mr=0x55bb9ec00a60) at /home/moyix/git/panda/exec.c:2794
#5  0x000055bb9b4d8d67 in address_space_read_full (as=0x55bb9ec00280, addr=1342178240, attrs=..., buf=0x7fafe08f5db4 "\273U", len=4) at /home/moyix/git/panda/exec.c:2865
#6  0x000055bb9b4d8e29 in address_space_read (len=4, buf=0x7fafe08f5db4 "\273U", attrs=..., addr=1342178240, as=0x55bb9ec00280) at /home/moyix/git/panda/include/exec/memory.h:1665
#7  address_space_rw (as=0x55bb9ec00280, addr=1342178240, attrs=..., buf=0x7fafe08f5db4 "\273U", len=4, is_write=false) at /home/moyix/git/panda/exec.c:2879
#8  0x000055bb9b85702f in dma_memory_rw_relaxed (as=0x55bb9ec00280, addr=1342178240, buf=0x7fafe08f5db4, len=4, dir=DMA_DIRECTION_TO_DEVICE) at /home/moyix/git/panda/include/sysemu/dma.h:87
#9  0x000055bb9b857084 in dma_memory_rw (as=0x55bb9ec00280, addr=1342178240, buf=0x7fafe08f5db4, len=4, dir=DMA_DIRECTION_TO_DEVICE) at /home/moyix/git/panda/include/sysemu/dma.h:110
#10 0x000055bb9b8570df in pci_dma_rw (dev=0x55bb9ec00070, addr=1342178240, buf=0x7fafe08f5db4, len=4, dir=DMA_DIRECTION_TO_DEVICE) at /home/moyix/git/panda/include/hw/pci/pci.h:739
#11 0x000055bb9b85711c in pci_dma_read (dev=0x55bb9ec00070, addr=1342178240, buf=0x7fafe08f5db4, len=4) at /home/moyix/git/panda/include/hw/pci/pci.h:746
#12 0x000055bb9b8577ba in read_dword (s=0x55bb9ec00070, addr=1342178240) at /home/moyix/git/panda/hw/scsi/lsi53c895a.c:439
#13 0x000055bb9b8592cd in lsi_execute_script (s=0x55bb9ec00070) at /home/moyix/git/panda/hw/scsi/lsi53c895a.c:1090
#14 0x000055bb9b857c26 in lsi_resume_script (s=0x55bb9ec00070) at /home/moyix/git/panda/hw/scsi/lsi53c895a.c:556
#15 0x000055bb9b858734 in lsi_transfer_data (req=0x7fafd406c340, len=4096) at /home/moyix/git/panda/hw/scsi/lsi53c895a.c:794
#16 0x000055bb9b855f92 in scsi_req_data (req=0x7fafd406c340, len=4096) at /home/moyix/git/panda/hw/scsi/scsi-bus.c:1700
#17 0x000055bb9b84965c in scsi_read_complete (opaque=0x7fafd406c340, ret=0) at /home/moyix/git/panda/hw/scsi/scsi-disk.c:319
#18 0x000055bb9b9c1e64 in blk_aio_complete (acb=0x7fafd40a5e50) at /home/moyix/git/panda/block/block-backend.c:974
#19 0x000055bb9b9c206a in blk_aio_read_entry (opaque=0x7fafd40a5e50) at /home/moyix/git/panda/block/block-backend.c:1027
#20 0x000055bb9ba79fef in coroutine_trampoline (i0=-737753792, i1=32687) at /home/moyix/git/panda/util/coroutine-ucontext.c:79
#21 0x00007fb0036b45d0 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#22 0x00007faff14c93b0 in ?? ()
#23 0x0000000000000000 in ?? ()