panic: temp: malloc limit exceeded
cpuid = 4
Trace beginning at frame 0xfffff80118381658
_kmalloc() at _kmalloc+0xb09 0xffffffff806578c9 
_kmalloc() at _kmalloc+0xb09 0xffffffff806578c9 
iicioctl() at iicioctl+0x217 0xffffffff8261b537 
dev_dioctl() at dev_dioctl+0xa3 0xffffffff8062cdf3 
devfs_fo_ioctl() at devfs_fo_ioctl+0x95 0xffffffff80921bb5 
mapped_ioctl() at mapped_ioctl+0x5fa 0xffffffff806a831a 
Debugger("panic")

CPU4 stopping CPUs: 0x0000002f
 stopped
Stopped at      Debugger+0x7c:  movb    $0,0xbdaf09(%rip)
db>