kernel warning at kern/src/printfmt.c:153, from core 1: _x && _x < ULIM Stack Backtrace on Core 1: #01 [<0xffffffffc200a42c>] in backtrace at src/kdebug.c:235 #02 [<0xffffffffc2009c54>] in _warn at src/init.c:326 #03 [<0xffffffffc2049071>] in vprintfmt at src/printfmt.c:153 #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 1: Proc-ful Page Fault in the Kernel at 0x0000000000000005! HW TRAP frame at 0xfffffff0000f7990 on core 1 rax 0x0000000000000015 rbx 0xfffffff0000f7ac8 rcx 0x00000000000003d4 rdx 0x0000000000000005 rbp 0xfffffff0000f7ab8 rsi 0x0000000000000780 rdi 0xffffffffc210fb30 r8 0xffff8000000b8fa0 r9 0x0000000000000f00 r10 0xffff8000000b8f00 r11 0xffff8000000b8ec0 r12 0xffffffffc2048830 r13 0x0000000000000005 r14 0x0000000000000015 r15 0xffff8000067d2bcd trap 0x0000000e Page Fault gsbs 0xffffffffc8e37dc0 fsbs 0x0000000000000000 err 0x--------00000000 rip 0xffffffffc2048b0c cs 0x------------0008 flag 0x0000000000010206 rsp 0xfffffff0000f7a58 ss 0x------------0010 Backtrace of kernel context on Core 1: #01 [<0xffffffffc2048b0c>] in vprintfmt at src/printfmt.c:153 #02 [<0xffffffffc2049312>] in vsnprintf at src/printfmt.c:328 #03 [<0xffffffffc2058539>] in vset_errstr at src/syscall.c:509 #04 [<0xffffffffc205866b>] in set_error at src/syscall.c:542 #05 [<0xffffffffc2039a29>] in cmderror at src/ns/parse.c:121 #06 [<0xffffffffc2039b1b>] in lookupcmd at src/ns/parse.c:152 #07 [<0xffffffffc206273c>] in igbectl at drivers/net/etherigbe.c:731 #08 [<0xffffffffc2079479>] in etherwrite at drivers/dev/ether.c:490 #09 [<0xffffffffc2040639>] in rwrite at src/ns/sysfile.c:1117 #10 [<0xffffffffc204088b>] in syswrite at src/ns/sysfile.c:1135 #11 [<0xffffffffc20593e9>] in sys_write at src/syscall.c:1785 #12 [<0xffffffffc2059f49>] in syscall at src/syscall.c:2578 #13 [<0xffffffffc205aaf8>] in run_local_syscall at src/syscall.c:2615 #14 [<0xffffffffc205b039>] in prep_syscalls at src/syscall.c:2635 #15 [<0xffffffffc20ac812>] in sysenter_callwrapper at arch/x86/trap.c:877