kernel warning at kern/src/printfmt.c:174, from core 2: _x && _x < ULIM Stack Backtrace on Core 2: #01 [<0xffffffffc200a42c>] in backtrace at src/kdebug.c:235 #02 [<0xffffffffc2009c54>] in _warn at src/init.c:326 #03 [<0xffffffffc20491a8>] in vprintfmt at src/printfmt.c:174 #04 [<0xffffffffc2049312>] in vsnprintf at src/printfmt.c:328 #05 [<0xffffffffc2058539>] in vset_errstr at src/syscall.c:509 #06 [<0xffffffffc205866b>] in set_error at src/syscall.c:542 #07 [<0xffffffffc2039a29>] in cmderror at src/ns/parse.c:121 #08 [<0xffffffffc2039b1b>] in lookupcmd at src/ns/parse.c:152 #09 [<0xffffffffc206273c>] in igbectl at drivers/net/etherigbe.c:731 #10 [<0xffffffffc2079479>] in etherwrite at drivers/dev/ether.c:490 #11 [<0xffffffffc2040639>] in rwrite at src/ns/sysfile.c:1117 #12 [<0xffffffffc204088b>] in syswrite at src/ns/sysfile.c:1135 #13 [<0xffffffffc20593e9>] in sys_write at src/syscall.c:1785 #14 [<0xffffffffc2059f49>] in syscall at src/syscall.c:2578 #15 [<0xffffffffc205aaf8>] in run_local_syscall at src/syscall.c:2615 #16 [<0xffffffffc205b039>] in prep_syscalls at src/syscall.c:2635 #17 [<0xffffffffc20ac812>] in sysenter_callwrapper at arch/x86/trap.c:877 kernel panic at kern/arch/x86/trap.c:318, from core 2: Proc-ful Page Fault in the Kernel at 0x000000000000000a! HW TRAP frame at 0xfffffff000088980 on core 2 rax 0x0000000000000000 rbx 0xfffffff000088ac8 rcx 0x00000000000003d4 rdx 0x000000000000000a rbp 0xfffffff000088a48 rsi 0xfffffff000088ac8 rdi 0xffffffffc2048830 r8 0xffff8000000b8fa0 r9 0x0000000000000f00 r10 0xffff8000000b8f00 r11 0xffff8000000b8ec0 r12 0xffffffffc2048830 r13 0xfffffff000088b20 r14 0x000000000000000a r15 0xffff80000497e4b4 trap 0x0000000e Page Fault gsbs 0xffffffffc8e38080 fsbs 0x0000000000000000 err 0x--------00000000 rip 0xffffffffc20191a0 cs 0x------------0008 flag 0x0000000000010246 rsp 0xfffffff000088a48 ss 0x------------0010 Backtrace of kernel context on Core 2: #01 [<0xffffffffc20191a0>] in printipmask at src/net/eipconv.c:110 #02 [<0xffffffffc2048e96>] in vprintfmt at src/printfmt.c:176 #03 [<0xffffffffc2049312>] in vsnprintf at src/printfmt.c:328 #04 [<0xffffffffc2058539>] in vset_errstr at src/syscall.c:509 #05 [<0xffffffffc205866b>] in set_error at src/syscall.c:542 #06 [<0xffffffffc2039a29>] in cmderror at src/ns/parse.c:121 #07 [<0xffffffffc2039b1b>] in lookupcmd at src/ns/parse.c:152 #08 [<0xffffffffc206273c>] in igbectl at drivers/net/etherigbe.c:731 #09 [<0xffffffffc2079479>] in etherwrite at drivers/dev/ether.c:490 #10 [<0xffffffffc2040639>] in rwrite at src/ns/sysfile.c:1117 #11 [<0xffffffffc204088b>] in syswrite at src/ns/sysfile.c:1135 #12 [<0xffffffffc20593e9>] in sys_write at src/syscall.c:1785 #13 [<0xffffffffc2059f49>] in syscall at src/syscall.c:2578 #14 [<0xffffffffc205aaf8>] in run_local_syscall at src/syscall.c:2615 #15 [<0xffffffffc205b039>] in prep_syscalls at src/syscall.c:2635 #16 [<0xffffffffc20ac812>] in sysenter_callwrapper at arch/x86/trap.c:877