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![]() If asked for DMA request and no data is available, simply wait
for data to be queued, do not abort. This fixes:
$ cat << EOF | \
qemu-system-i386 -nographic -M q35,accel=qtest -serial none \
-monitor none -qtest stdio -trace lsi* \
-drive if=none,id=drive0,file=null-co://,file.read-zeroes=on,format=raw \
-device lsi53c895a,id=scsi0 -device scsi-hd,drive=drive0,bus=scsi0.0,channel=0,scsi-id=0,lun=0
lsi_reset Reset
lsi_reg_write Write reg DSP2 0x2e = 0xff
lsi_reg_write Write reg DSP3 0x2f = 0xff
lsi_execute_script SCRIPTS dsp=0xffff0000 opcode 0x184a3900 arg 0x4a8b2d75
qemu-system-i386: hw/scsi/lsi53c895a.c:624: lsi_do_dma: Assertion `s->current' failed.
(gdb) bt
#5 0x00007ffff4e8a3a6 in __GI___assert_fail
(assertion=0x5555560accbc "s->current", file=0x5555560acc28 "hw/scsi/lsi53c895a.c", line=624, function=0x5555560adb18 "lsi_do_dma") at assert.c:101
#6 0x0000555555aa33b9 in lsi_do_dma (s=0x555557805ac0, out=1) at hw/scsi/lsi53c895a.c:624
#7 0x0000555555aa5042 in lsi_execute_script (s=0x555557805ac0) at hw/scsi/lsi53c895a.c:1250
#8 0x0000555555aa757a in lsi_reg_writeb (s=0x555557805ac0, offset=47, val=255 '\377') at hw/scsi/lsi53c895a.c:1984
#9 0x0000555555aa875b in lsi_mmio_write (opaque=0x555557805ac0, addr=47, val=255, size=1) at hw/scsi/lsi53c895a.c:2095
Cc: qemu-stable@nongnu.org
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Vadim Rozenfeld <vrozenfe@redhat.com>
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Reported-by: Jérôme Poulin <jeromepoulin@gmail.com>
Reported-by: Ruhr-University <bugs-syssec@rub.de>
Reported-by: Gaoning Pan <pgn@zju.edu.cn>
Reported-by: Cheolwoo Myung <cwmyung@snu.ac.kr>
Fixes:
|
||
---|---|---|
.. | ||
emulation.c | ||
esp-pci.c | ||
esp.c | ||
Kconfig | ||
lsi53c895a.c | ||
megasas.c | ||
meson.build | ||
mfi.h | ||
mpi.h | ||
mptconfig.c | ||
mptendian.c | ||
mptsas.c | ||
mptsas.h | ||
scsi-bus.c | ||
scsi-disk.c | ||
scsi-generic.c | ||
spapr_vscsi.c | ||
srp.h | ||
trace-events | ||
trace.h | ||
vhost-scsi-common.c | ||
vhost-scsi.c | ||
vhost-user-scsi.c | ||
viosrp.h | ||
virtio-scsi-dataplane.c | ||
virtio-scsi.c | ||
vmw_pvscsi.c | ||
vmw_pvscsi.h |