Sandbox: Unexpected EOF, op 0 flags 02400302 path /dev/shm/org.mozilla.ipc.17256.41
Sandbox: bad read from pid 17256: Message too long
[Child 17256, Main Thread] WARNING: failed to open shm: Input/output error: file /build/firefox-6m4fHv/firefox-66.0.3+build1/ipc/chromium/src/base/shared_memory_posix.cc, line 142
[GFX1-]: Failed buffer for 1588, 0, 12, 740
[Child 17256, Main Thread] WARNING: failed to open shm: Broken pipe: file /build/firefox-6m4fHv/firefox-66.0.3+build1/ipc/chromium/src/base/shared_memory_posix.cc, line 142
[GFX1-]: Failed buffer for 0, -1, 12, 232
[Child 17256, Main Thread] WARNING: failed to open shm: Broken pipe: file /build/firefox-6m4fHv/firefox-66.0.3+build1/ipc/chromium/src/base/shared_memory_posix.cc, line 142
... (about 60-70 more lines of this before following)
[Parent 17031, Main Thread] WARNING: failed to open shm: Too many open files: file /build/firefox-6m4fHv/firefox-66.0.3+build1/ipc/chromium/src/base/shared_memory_posix.cc, line 142
[GFX1-]: Failed to lock new back buffer.

(firefox:17031): dconf-CRITICAL **: 16:33:48.340: unable to create file '/run/user/1000/dconf/user': Too many open files.  dconf will not work properly.

(firefox:17031): dconf-CRITICAL **: 16:33:48.340: unable to create file '/run/user/1000/dconf/user': Too many open files.  dconf will not work proper

Filesystem             Inodes IUsed IFree IUse% Mounted on
udev                     4.0M   596  4.0M    1% /dev
tmpfs                    4.0M  1.1K  4.0M    1% /run
/dev/mapper/sdb1_crypt    33M  248K   33M    1% /
tmpfs                    4.0M    75  4.0M    1% /dev/shm
tmpfs                    4.0M     6  4.0M    1% /run/lock
tmpfs                    4.0M    18  4.0M    1% /sys/fs/cgroup
/dev/sda1                122K   355  122K    1% /boot
/dev/mapper/sda2_crypt   350M   85K  349M    1% /home
/dev/mapper/sdb2_crypt    28M    91   28M    1% /home/bit/ssd
tmpfs                    4.0M    37  4.0M    1% /run/user/1000