这不是重复的（尽管相关）bash：无法为此处文档创建临时文件：设备上没有剩余空间。
/tmp尽管我的 rootfs 尚未满并且目录本身是空的，但我的很快就被填满了。
我检查了一些事情：
$ ls /tmp -l
$ cat /etc/fstab
/dev/mmcblk0p1 / ext4 defaults,noatime,nodiratime,commit=600,errors=remount-ro 0 1
tmpfs /tmp tmpfs defaults,nosuid 0 0
/var/swap none swap sw 0 0
$ df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mmcblk0p1 3.2G 2.7G 446M 86% /
udev 10M 0 10M 0% /dev
tmpfs 197M 13M 185M 7% /run
tmpfs 493M 0 493M 0% /dev/shm
tmpfs 5.0M 4.0K 5.0M 1% /run/lock
tmpfs 493M 0 493M 0% /sys/fs/cgroup
tmpfs 493M 493M 0 100% /tmp
tmpfs 99M 0 99M 0% /run/user/0
$ free
total used free shared buffers cached
Mem: 1008512 975332 33180 528316 52020 747548
-/+ buffers/cache: 175764 832748
Swap: 0 0 0
编辑1：
这是要求的输出：
$ lsof /tmp/
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
cron 435 root 5u REG 0,28 2778 4383 /tmp/tmpfX8gN33 (deleted)
cron 439 root 5u REG 0,28 360448 3992 /tmp/tmpfJPLDh4 (deleted)
cron 440 root 5u REG 0,28 0 4385 /tmp/tmpfSHqdP2 (deleted)
sh 455 root 1u REG 0,28 2778 4383 /tmp/tmpfX8gN33 (deleted)
sh 455 root 2u REG 0,28 2778 4383 /tmp/tmpfX8gN33 (deleted)
sh 459 root 1u REG 0,28 360448 3992 /tmp/tmpfJPLDh4 (deleted)
sh 459 root 2u REG 0,28 360448 3992 /tmp/tmpfJPLDh4 (deleted)
sh 459 root 10u REG 0,28 360448 3992 /tmp/tmpfJPLDh4 (deleted)
sh 466 root 1u REG 0,28 0 4385 /tmp/tmpfSHqdP2 (deleted)
sh 466 root 2u REG 0,28 0 4385 /tmp/tmpfSHqdP2 (deleted)
hard_rese 468 root 1u REG 0,28 2778 4383 /tmp/tmpfX8gN33 (deleted)
hard_rese 468 root 2u REG 0,28 2778 4383 /tmp/tmpfX8gN33 (deleted)
shaula720 471 root 1u REG 0,28 476921856 4381 /tmp/tmpfVehH93 (deleted)
shaula720 471 root 2u REG 0,28 476921856 4381 /tmp/tmpfVehH93 (deleted)
sip_speak 476 root 1u REG 0,28 360448 3992 /tmp/tmpfJPLDh4 (deleted)
sip_speak 476 root 2u REG 0,28 360448 3992 /tmp/tmpfJPLDh4 (deleted)
amp_switc 479 root 1u REG 0,28 0 4385 /tmp/tmpfSHqdP2 (deleted)
amp_switc 479 root 2u REG 0,28 0 4385 /tmp/tmpfSHqdP2 (deleted)
tail 801 root 2u REG 0,28 0 4385 /tmp/tmpfSHqdP2 (deleted)
tail 801 root 3r REG 0,28 202442 5784 /tmp/gmediarenderer.log
amp_switc 802 root 1u REG 0,28 0 4385 /tmp/tmpfSHqdP2 (deleted)
amp_switc 802 root 2u REG 0,28 0 4385 /tmp/tmpfSHqdP2 (deleted)
apache2 1047 root 10u REG 0,28 0 6360 /tmp/.ZendSem.V3ty8j (deleted)
apache2 1273 asterisk 10u REG 0,28 0 6360 /tmp/.ZendSem.V3ty8j (deleted)
apache2 1277 asterisk 10u REG 0,28 0 6360 /tmp/.ZendSem.V3ty8j (deleted)
apache2 1279 asterisk 10u REG 0,28 0 6360 /tmp/.ZendSem.V3ty8j (deleted)
apache2 1280 asterisk 10u REG 0,28 0 6360 /tmp/.ZendSem.V3ty8j (deleted)
apache2 1281 asterisk 10u REG 0,28 0 6360 /tmp/.ZendSem.V3ty8j (deleted)
mysqld 1309 mysql 4u REG 0,28 0 5967 /tmp/ibPPMR90 (deleted)
mysqld 1309 mysql 5u REG 0,28 0 5968 /tmp/ib45arbS (deleted)
mysqld 1309 mysql 6u REG 0,28 0 5969 /tmp/ibxf4rdJ (deleted)
mysqld 1309 mysql 7u REG 0,28 0 6383 /tmp/ib7ct0IA (deleted)
mysqld 1309 mysql 11u REG 0,28 0 6384 /tmp/ibvYyZtI (deleted)
apache2 2515 asterisk 10u REG 0,28 0 6360 /tmp/.ZendSem.V3ty8j (deleted)
apache2 2518 asterisk 10u REG 0,28 0 6360 /tmp/.ZendSem.V3ty8j (deleted)
apache2 2519 asterisk 10u REG 0,28 0 6360 /tmp/.ZendSem.V3ty8j (deleted)
safe_aste 2672 root cwd DIR 0,28 180 2847 /tmp
asterisk 2676 asterisk cwd DIR 0,28 180 2847 /tmp
apache2 4929 asterisk 10u REG 0,28 0 6360 /tmp/.ZendSem.V3ty8j (deleted)
apache2 6584 asterisk 10u REG 0,28 0 6360 /tmp/.ZendSem.V3ty8j (deleted)
sleep 17741 root 1u REG 0,28 2778 4383 /tmp/tmpfX8gN33 (deleted)
sleep 17741 root 2u REG 0,28 2778 4383 /tmp/tmpfX8gN33 (deleted)
gmediaren 28047 root DEL REG 0,28 40445 /tmp/orcexec.8LcbcH
gmediaren 28047 root DEL REG 0,28 40444 /tmp/orcexec.fEQrHQ
gmediaren 28047 root 3w REG 0,28 202442 5784 /tmp/gmediarenderer.log