And, in case it helps, kdump excerpt:
18 1 mlxctl RET ioctl 0, 1076655123/0x402c7413
18 1 mlxctl CALL write(1,0x208000,0x34)
18 1 mlxctl GIO fd 1 wrote 52 bytes
"DAC960P/PD, 3 channels, firmware 3.51-0-09, 4MB RAM
"
18 1 mlxctl RET write 52/0x34, 2129920/0x208000
18 1 mlxctl CALL ioctl(3,MLX_COMMAND,0xffffffffffffb920)
18 1 mlxctl GIO fd 3 wrote 48 bytes
"\0\0\0\0\0\0\0\M^@\M^?\M^?\M^?\M^?\M^?\M^?\M-:&\0\0\0\b
\0\0\0\^A\0\0\
\^\\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
18 1 mlxctl GIO fd 3 read 48 bytes
"\0\0\0\0\0\0\0\M^@\M^?\M^?\M^?\M^?\M^?\M^?\M-:&\0\0\0\b
\0\0\0\^A\0\0\
\^\\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
18 1 mlxctl RET ioctl 0, 3224390914/0xc0304d02
18 1 mlxctl PSIG SIGBUS SIG_DFL
Cheers
Oskar
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