This is a list of known error and warning messages that may occur during system operation.
It is intended to link each of these lines to pages giving an explanation of the causes of each of the errors.
Num Symbol Message
1 EPERM Operation not permitted
2 ENOENT No such file or directory
3 ESRCH No such process
4 EINTR Interrupted system call
5 EIO IO error
6 ENXIO No such device or address
7 E2BIG Argument list too long
8 ENOEXEC Executable format error
9 EBADF Bad file number
10 ECHILD No child processes
11 EAGAIN Try again
12 ENOMEM Out of memory
13 EACCES Permission denied
14 EFAULT Bad address
15 ENOTBLK Block device required
16 EBUSY Device or resource busy
17 EEXIST File exists
18 EXDEV Cross-device link
19 ENODEV No such device
20 ENOTDIR Not a directory
21 EISDIR Is a directory
22 EINVAL Invalid argument
23 ENFILE File table overflow
24 EMFILE Too many open files
25 ENOTTY Not a typewriter
26 ETXTBSY Text file busy
27 EFBIG File too large
28 ENOSPC No space left on device
29 ESPIPE Illegal seek
30 EROFS Read-only file system
31 EMLINK Too many links
32 EPIPE Broken pipe
33 EDOM Math argument out of domain of function
34 ERANGE Math result not representable
35 EDEADLK Resource deadlock would occur
36 ENAMETOOLONG File name too long
37 ENOLCK No record locks available
38 ENOSYS Function not implemented
39 ENOTEMPTY Directory not empty
40 ELOOP Too many symbolic links encountered
41 EWOULDBLOCK Operation would block
42 ENOMSG No message of desired type
43 EIDRM Identifier removed
44 ECHRNG Channel number out of range
45 EL2NSYNC Level 2 not synchronized
46 EL3HLT Level 3 halted
47 EL3RST Level 3 reset
48 ELNRNG Link number out of range
49 EUNATCH Protocol driver not attached
50 ENOCSI No CSI structure available
51 EL2HLT Level 2 halted
52 EBADE Invalid exchange
53 EBADR Invalid request descriptor
54 EXFULL Exchange full
55 ENOANO No anode
56 EBADRQC Invalid request code
57 EBADSLT Invalid slot
58 EDEADLOCK EDEADLK
59 EBFONT Bad font file format
60 ENOSTR Device not a stream
61 ENODATA No data available
62 ETIME Timer expired
63 ENOSR Out of streams resources
64 ENONET Machine is not on the network
65 ENOPKG Package not installed
66 EREMOTE Object is remote
67 ENOLINK Link has been severed
68 EADV Advertise error
69 ESRMNT Srmount error
70 ECOMM Communication error on send
71 EPROTO Protocol error
72 EMULTIHOP Multihop attempted
73 EDOTDOT RFS specific error
74 EBADMSG Not a data message
75 EOVERFLOW Value too large for defined data type
76 ENOTUNIQ Name not unique on network
77 EBADFD File descriptor in bad state
78 EREMCHG Remote address changed
79 ELIBACC Can not access a needed shared library
80 ELIBBAD Accessing a corrupted shared library
81 ELIBSCN The .lib section in a.out corrupted
82 ELIBMAX Attempting to link in too many shared libraries
83 ELIBEXEC Cannot exececute a shared library directly
84 EILSEQ Illegal byte sequence
85 ERESTART Interrupted system call should be restarted
86 ESTRPIPE Streams pipe error
87 EUSERS Too many users
88 ENOTSOCK Socket operation on non-socket
89 EDESTADDRREQ Destination address required
90 EMSGSIZE Message too long
91 EPROTOTYPE Protocol wrong type for socket
92 ENOPROTOOPT Protocol not available
93 EPROTONOSUPPORT Protocol not supported
94 ESOCKTNOSUPPORT Socket type not supported
95 EOPNOTSUPP Operation not supported on transport endpoint
96 EPFNOSUPPORT Protocol family not supported
97 EAFNOSUPPORT Address family not supported by protocol
98 EADDRINUSE Address already in use
99 EADDRNOTAVAIL Cannot assign requested address
100 ENETDOWN Network is down
101 ENETUNREACH Network is unreachable
102 ENETRESET Network dropped connection because of reset
103 ECONNABORTED Software caused connection abort
104 ECONNRESET Connection reset by peer
105 ENOBUFS No buffer space available
106 EISCONN Transport endpoint is already connected
107 ENOTCONN Transport endpoint is not connected
108 ESHUTDOWN Cannot send after transport endpoint shutdown
109 ETOOMANYREFS Too many references: cannot splice
110 ETIMEDOUT Connection timed out
111 ECONNREFUSED Connection refused
112 EHOSTDOWN Host is down
113 EHOSTUNREACH No route to host
114 EALREADY Operation already in progress
115 EINPROGRESS Operation now in progress
116 ESTALE Stale NFS file handle
117 EUCLEAN Structure needs cleaning
118 ENOTNAM Not a XENIX named type file
119 ENAVAIL No XENIX semaphores available
120 EISNAM Is a named type file
121 EREMOTEIO Remote I/O error
122 EDQUOT Quota exceeded
123 ENOMEDIUM No medium found
124 EMEDIUMTYPE Wrong medium type
- EAGAIN Operation would block
001 Document does not contain HTML or XML
002 Document does not contain HTML or XL (Close window)
12 Invalid device requested
15 File not found
17 Cannot mount selected partition
18 Selected cylinder exceeds maximum supported by BIOS
100 Continue
101 Switching Protocols
102 Processing (WebDAV)
Error 127
200 OK
201 Created
202 Accepted
203 Non-Authoritative Information (since HTTP/1.1)
204 No Content
205 Reset Content
206 Partial Content
207 Multi-Status (WebDAV)
300 Multiple Choices
301 Moved Permanently
302 Found
303 See Other (since HTTP/1.1)
304 Not Modified
305 Use Proxy (since HTTP/1.1)
306 Switch Proxy
307 Temporary Redirect (since HTTP/1.1)
400 Bad Request
401 Unauthorized
402 Payment Required
403 Forbidden
404 Not Found
405 Method Not Allowed
406 Not Acceptable
407 Proxy Authentication Required
408 Request Timeout
409 Conflict
410 Gone
411 Length Required
412 Precondition Failed
413 Request Entity Too Large
414 Request-URI Too Long
415 Unsupported Media Type
416 Requested Range Not Satisfiable
417 Expectation Failed
421 There are too many connections from your internet address
422 Unprocessable Entity (WebDAV)
423 Locked (WebDAV)
424 Failed Dependency (WebDAV)
425 Unordered Collection
426 Upgrade Required
449 Retry With
500 Internal server error
501 Not Implemented
502 Bad Gateway
503 Service Unavailable
504 Gateway Timeout
505 HTTP Version Not Supported
506 Variant Also Negotiates
507 Insufficient Storage (WebDAV)
509 Bandwidth Limit Exceeded
510 Not Extended
530 User access denied
Application initialization failed: couldn't connect to display :0.0 An error has occurred
A problem was encountered processing your request. The tracker maintainers have been notified of the problem.
Argument list too long
audio: /dev/dsp: No such file or directory
automake: Makefile.am: not supported: source file foobar.c is in subdirectory
awk: foobar.awk: line n: syntax error at or near
BAD PASSWORD: it's WAY too short
/bin/sh: bad interpreter: Permission denied
/bin/sh: bad interpreter: Text file busy
BUG Int 6: CR2 00000000
Bus error
BYE Timeout after 60 seconds of inactivity.
Cannot Allocate Memory
cannot open
Cannot set tty process group
Can't read superblock
Can't set the specified locale!
C++ compiler cannot create executables
codec_read: codec 0 is not valid 0xfe0000
Compatibility levels before 4 are deprecated
error: config.h: No such file or directory
config.status: error: cannot find input file: src/Makefile.in
configure.ac: no proper invocation of AM_INIT_AUTOMAKE was found.
configure.ac: warning: macro 'AM_CXXFLAGS' not found in library
./configure: bad substitution
configure: error: Cannot find a math library. You need to set MATHLIB in config.user
configure: error: cannot guess build type; you must specify one
configure: error: Couldn't find required function socket
configure: error: source directory already configured; run "make distclean" there first
configure: error: --target is not appropriate for foobar
configure: WARNING: *** Makeinfo is missing. Info documentation will not be built.
Connection closed by foreign host
could not set realtime priority
cp: target `foobar' is not a directory
cpp: error trying to exec 'cc1plus': execvp: No such file or directory
db.h: No such file or directory
'DB_ENV' has no member named 'mp_size'
/dev/dsp: No such file or directory
device /dev/dsp can't be opened (Device or resource busy)
dpkg: error processing apt: subprocess post-installation script returned error exit status 135
dpkg-buildpackage: binary only upload (no source included)
dpkg-buildpackage: warning: Failed to sign .changes file
dzhandle make-instance: ambiguous zope version to make instance for
E: Could not open lock file /var/lib/dpkg/lock - open (13 Permission denied)
E: Dynamic !MMap ran out of room
emerge: superuser access is required
E: Error occurred while processing xfmedia-dev (NewVersion1)
E: Problem with MergeList /var/lib/apt/lists/foobar
E: The package lists or status file could not be parsed or opened.
E: Unable to lock the administration directory (/var/lib/dpkg/), are you root?
(EE) RADEON(0): Panel size is not correctly detected.
end_request: I/O error, dev hda, sector nnnnnn
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
ERROR 1049 (42000): Unknown database 'foobar'
error: 'CLK_TCK' undeclared (first use in this function)
Error: no "view" mailcap rules found for type "application/octet-stream"
error opening mixer
Error opening /dev/mixer
error: termcap.h: No such file or directory
ERROR: Unable to open console to evaluate the keyboard map
error: ../version.h: No such file or directory
error while loading shared libraries: libQtOpenGL.so.4: cannot open shared object file: No such file or directory
exportfs /etc/exports (n): Neither 'subtree_check' or 'no_subtree_check' specified for export "nnn.nnn.nnn.nnn/255.255.255.0:/foobar"
EXT2-fs warning: mounting unchecked fs, running e2fsck is recommended
ez-ipupdate(2556): could not create pid file /var/run/ez-ipupdate/default.pid (Bad file descriptor), exiting
fakeroot: nested operation not yet supported
Fatal: raid_setup: stat ("/dev/hda")
Fatal server error: Unrecognized option: /etc/X11/xinit/xserverrc
fatal: unable to find user alias
fetchnews(nnnnn): Newsgroup name conflict: foobar Foobar
File is corrupt or incomplete. (Digests do not match)
Filename encoding locale mismatch
find: missing argument to `-exec'
Floating point exception
(gecko:nnnn): Pango-WARNING **: Error loading GPOS table 5503
genisoimage: Missing pathspec.
giving up.
(gnome-obex-server:6848): WARNING : Unable to register SDP record for OPUSH
gpasswd: can't get lock
gpg: Can't check signature: public key not found
gpg: skipped "Bastian Blank <waldi@debian.org>": secret key not available
gpg: stdin: clearsign failed: secret key not available
GRUB GRUB GRUB GRUB
GRUB loading stage 1.5.
GRUB loading, please wait...
Gdk-WARNING **: locale not supported by C library
hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=nnnnnn, sector=nnnnnn
I: -input-charset not specified, using utf-8 (detected in locale settings)
ide: failed opcode was: unknown
insmod: iptable_filter: no module by that name found
Invalid address alignment
Invalid atom in /etc/portage/package.keywords
invalid opcode: 0000 !(#1)
iptables: Bad built-in chain name
iptables: Chain already exists
iptables: No chain/target/match by that name
iptables v1.2.5: can't initialize iptables table `filter': Table does not exist (do you need to insmod?)
JWM: error: display is already managed
JWM: warning: configuration error: could not open /home/foobar/.jwmrc or /etc/system.jwmrc
JWM: warning: /etc/system.jwmrc(1): invalid start tag: RootMenu
Kernel Panic: VFS: Unable to mount root fs on 03:05
L99 99 99 99 99 99 99 99 99 99 99 99 99
ld: cannot find -lbdb
libGL error: unable to load driver: radeon_dri.so
locale: Cannot set LC_CTYPE to default locale: No such file or directory
locale: Cannot set LC_MESSAGES to default locale: No such file or directory
locale: Cannot set LC_ALL to default locale: No such file or directory
login: Permission denied
lp0 on fire
lsof: no pwd entry for UID foobar
make[1]: * [all-recursive] Error 1
make: * [all] Error 2
make: ctags: Command not found
make[n]: Entering directory: 'foobar'
make[n]: Leaving directory: 'foobar'
make: *** No rule to make target `foobar'. Stop.
Makefile:nn: *** multiple target patterns. Stop.
Makefile: : *** missing separator. Stop.
Err111 make: * [foobar.c] Error 111
Err127 make: * [tags] Error 127
Makefile.am: required file `./depcomp' not found
Makefile.am: required file `./INSTALL' not found
Makefile.am: required file `./NEWS' not found
Makefile.am: required file `./README' not found
Makefile.am: required file `./AUTHORS' not found
Makefile.am: required file `./ChangeLog' not found
Makefile.am: required file `./COPYING' not found
Missing pathspec
mount.nfs: internal error
mount.nfs: mount to NFS server 'rpcbind' failed: RPC Error: Program not registered
mount.nfs: rpc.statd is not running but is required for remote locking
mount: unknown filesystem type 'nfs'
mount: /foobar : can't read superblock
mv: cannot stat `foobar': File name too long
mysql said: ERROR 1049 (42000): Unknown database 'bugzilla'
nfs warning: mount version older than kernel
NO Expected SPACE
NO LOGIN failed: Login failed. Either your user name or your password was wrong. Please try again, and if the problem persists, please contact your system administrator.
No Mail
no pwd entry for UID foobar
No SMC Ultra card found
No template file exists for templating "user" with template "forgotten"
No utmp entry. You must exec "login" from the lowest level "sh"
Non existent physical address
Object specific hardware error
OK CAPABILITY completed
OK LIST completed
OK LOGIN completed
OPENGL_DEBUG GL_ERROR (1280) 'invalid enumerant' in: Universe before doing anything
Operation not permitted
OperationalError: unable to open database file
OperationalError: attempt to write a readonly database
/dev/dsp: Permission denied
Plain text password authentication is disallowed. Please try enabling SSL or TLS in your mail client.
Problem with internal logger
passwd: Authentication token lock busy
Please append a correct "root=" boot option
Problem with sandbox binary. Disabling
Please specify your keyboard map explicitly via the $_layout option
RPC Error: Program not registered
rpc.statd(2385): SM_NOTIFY from foobar while not monitoring any hosts.
Segmentation fault
SELECT failed: failed to open "./new/" (Permission denied)
sh: Cannot set tty process group (inappropriate ioctl for device)
short read reading file data
Sorry.
statd: Could not chdir: No such file or directory
stellarium: error while loading shared libraries: libQtOpenGL.so.4: cannot open shared object file: No such file or directory
Strange, couldn't transfer time from foo to bar
Sys_Error: Couldn't load default.cfg
tar: directory checksum error
test: 21: Illegal number: 262+nmu1
tar: This volume is out of sequence
telnetd: getpty: No such file or directory
The request you made has been filtered
This callsign is registered. You must identify yourself before playing.
Too many levels of symbolic links
udevd: init_udevd_socket: error getting socket: Address family not supported by protocol
Unsupported format "application/postscript"
Verifying archive integrity...tail: cannot open `+6' for reading: No such file or directory
VFS: Cannot open root device "hda5" or 03:05
wodim: Operation not permitted.
Warning: Cannot raise RLIMIT_MEMLOCK limits. Device was not specified. Trying to find an appropriate drive...
Warning: cross-posting to 2 newsgroups and no Followup-To line!
warning: Falling back to the standard locale ("C").
Warning: skipped n bytes of garbage at the beginning
warning: 'foo' is deprecated
Warning: Kernel & BIOS return differing head/sector geometries for device 0x80
warning: Please check that your locale settings are supported and installed on your system.
warning: Setting locale failed.
Warning: Unable to open an initial console
Warning: unsupported locale setting
write error!
Xlib: connection to :0.0 refused by server
Xlib: Client is not authorized to connect to Server
You Are Not Licensed To Access The Symbol
You do not have a listening peer-to-peer connection
You don't exist. Go away
You have mail
Xlib: connection to ":0.0" refused by server
Zope3: no instances found
Research into error messages and causes
Listing and documentation of error messages is being undertaken at Mark Hobley's Open Source Laboratory.
The latest version of this list together with diagnostic information is available from the United Kingdom of Great Britain at List of Known Error Messages