[SPDK] Re: ioat: "could not start channel" after abnormal exit

Hi Paul,

Thanks for your advice. But that didn't seem to work. The output of /scripts/setup.sh is same as normal
In fact, I found out how such error happens.  It's because I accidentally launch ioat copy
on system malloc-ed memory space, I've already fixed that in my code. But there are still some
errors around. After reboot, and run scripts/setup.sh again, there are still 4 channels (1 channel
from each process) cannot be attached:

E0716 19:02:24.496325 189532 ioat.c:480] [SPDK/ioat_channel_start] could not start channel: status = 0x3
 error = 0
E0716 19:02:24.496567 189532 ioat.c:547] [SPDK/ioat_enum_cb] ioat_attach() failed
EAL: Requested device 0000:00:04.4 cannot be used
E0716 19:02:24.527472 189532 ioat.c:480] [SPDK/ioat_channel_start] could not start channel: status = 0x3
 error = 0
E0716 19:02:24.527948 189532 ioat.c:547] [SPDK/ioat_enum_cb] ioat_attach() failed
EAL: Requested device 0000:40:04.4 cannot be used
E0716 19:02:24.558609 189532 ioat.c:480] [SPDK/ioat_channel_start] could not start channel: status = 0x3
 error = 0
E0716 19:02:24.559036 189532 ioat.c:547] [SPDK/ioat_enum_cb] ioat_attach() failed
EAL: Requested device 0000:80:04.4 cannot be used
E0716 19:02:24.589241 189532 ioat.c:480] [SPDK/ioat_channel_start] could not start channel: status = 0x3
 error = 0
E0716 19:02:24.589682 189532 ioat.c:547] [SPDK/ioat_enum_cb] ioat_attach() failed
EAL: Requested device 0000:c0:04.4 cannot be used

The other channels are working fine now, but these errors are strange.

Thanks,
Jiahao Li