If you can't type magic-sysrq for some reason, you can echo the magic sysreq key to /proc/sysrq-trigger for the same effect.
baci:~# echo t > /proc/sysrq-trigger
SysRq : Show State
sibling
task PC pid father child younger older
init S a0000001006363c0 0 1 0 2 (NOTLB)
Call Trace:
[] schedule+0xbf0/0x1280
sp=e00000407fe07d80 bsp=e00000407fe010e8
[] schedule_timeout+0x100/0x1a0
sp=e00000407fe07d90 bsp=e00000407fe010b0
[] do_select+0x270/0x4c0
sp=e00000407fe07dd0 bsp=e00000407fe00f80
[] sys_select+0x590/0x8c0
sp=e00000407fe07df0 bsp=e00000407fe00ea0
[] ia64_ret_from_syscall+0x0/0x20
sp=e00000407fe07e30 bsp=e00000407fe00ea0
migration/0 S a000000100081010 0 2 1 3 (L-TLB)