ulloa@rice15:~/pintos-cs140/src/userprog$ pintos --filesys-size=2 -p ../examples/echo -a echo -- -f -q run 'echo dog cat'
Copying ../examples/echo to scratch partition...
squish-pty bochs -q
========================================================================
                       Bochs x86 Emulator 2.6.2
                Built from SVN snapshot on May 26, 2013
                  Compiled on Jan  3 2019 at 12:00:35
========================================================================
00000000000i[     ] reading configuration from bochsrc.txt
00000000000e[     ] bochsrc.txt:8: 'user_shortcut' will be replaced by new 'keyboard' option.
00000000000i[     ] installing nogui module as the Bochs GUI
00000000000i[     ] using log file bochsout.txt
PiLo hda1
Loading..........
Kernel command line: -f -q extract run 'echo dog cat'
Pintos booting with 4,096 kB RAM...
383 pages available in kernel pool.
383 pages available in user pool.
Calibrating timer...  164,200 loops/s.
hda: 5,040 sectors (2 MB), model "BXHD00011", serial "Generic 1234"
hda1: 173 sectors (86 kB), Pintos OS kernel (20)
hda2: 4,096 sectors (2 MB), Pintos file system (21)
hda3: 82 sectors (41 kB), Pintos scratch (22)
filesys: using hda2
scratch: using hda3
Formatting file system...done.
Boot complete.
Extracting ustar archive from scratch device into file system...
Putting 'echo' into the file system...
Erasing ustar archive...
Executing 'echo dog cat':
running: echo dog cat
File name in start_process: echo
echo dog cat
strlen(echo) + null terminator: 5
strlen(dog) + null terminator: 4
strlen(cat) + null terminator: 4
argc: 3
args_buffer until first null term: echo
Start: c0000000
After pointer array: bffffff3
Element most recently added to stack: echo
Padding: 7
After padding: bfffffec
ESP TEMP: bffffff3
(0)Copied pointer for echo as bffffff3 (bffffff3).
(1)Copied pointer for dog as bffffff8 (bffffff8).
(2)Copied pointer for cat as bffffffc (bffffffc).
After adding pointers: bfffffe0
Element most recently added to stack: bffffff3
After argv: bfffffdc
After argc: bfffffd8
After ret addr: bfffffd4
Stack setup successful
Start address: 80480ec
Stack pointer: bfffffd4
Issue is not in palloc_free_page.
echo dog cat
echo dog cat: exit(0)
Execution of 'echo dog cat' complete.
Timer: 775 ticks
Thread: 0 idle ticks, 689 kernel ticks, 89 user ticks
hda2 (filesys): 59 reads, 168 writes
hda3 (scratch): 81 reads, 2 writes
Console: 1632 characters output
Keyboard: 0 keys pressed
Exception: 0 page faults
Powering off..========================================================================
Bochs is exiting with the following message:
[ACPI ] ACPI control: soft power off
========================================================================