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Linux errno Codes

POSIX.1-2017131 codes

POSIX errno codes from ENOENT to EHWPOISON

Showing 131 of 131 errors

Code	Message	Severity	Tier
EPERM	Operation Not Permitted	ERROR	Common	→
ENOENT	No Such File or Directory	ERROR	Common	→
ESRCH	No Such Process	ERROR	Notable	→
EINTR	Interrupted System Call	WARN	Notable	→
EIO	Input/Output Error	ERROR	Critical	→
E2BIG	Argument List Too Long	ERROR	Notable	→
ENOEXEC	Exec Format Error	ERROR	Notable	→
EBADF	Bad File Descriptor	ERROR	Notable	→
EAGAIN	Resource Temporarily Unavailable	WARN	Common	→
ENOMEM	Out of Memory	ERROR	Critical	→
EACCES	Permission Denied	ERROR	Common	→
EBUSY	Device or Resource Busy	ERROR	Notable	→
EEXIST	File Already Exists	ERROR	Common	→
EINVAL	Invalid Argument	ERROR	Common	→
EMFILE	Too Many Open Files (per process)	ERROR	Notable	→
ENOSPC	No Space Left on Device	ERROR	Critical	→
EPIPE	Broken Pipe	WARN	Common	→
ENOSYS	Function Not Implemented	ERROR	Notable	→
EADDRINUSE	Address Already in Use	ERROR	Common	→
ECONNREFUSED	Connection Refused	ERROR	Common	→
ETIMEDOUT	Connection Timed Out	ERROR	Notable	→
ECONNRESET	Connection Reset by Peer	ERROR	Notable	→
ELOOP	Too Many Levels of Symbolic Links	ERROR	Notable	→
ENAMETOOLONG	File Name Too Long	ERROR	Common	→
EHOSTUNREACH	No Route to Host	ERROR	Notable	→
EDEADLK	Resource Deadlock Avoided	ERROR	Critical	→
ENXIO	No Such Device or Address	ERROR	Notable	→
ECHILD	No Child Processes	ERROR	Common	→
EFAULT	Bad Address	ERROR	Common	→
ENOTBLK	Block Device Required	ERROR	Critical	→
EXDEV	Invalid Cross-Device Link	ERROR	Common	→
ENODEV	No Such Device	ERROR	Notable	→
ENOTDIR	Not a Directory	ERROR	Common	→
EISDIR	Is a Directory	ERROR	Common	→
ENFILE	File Table Overflow	ERROR	Common	→
ENOTTY	Inappropriate ioctl for Device	ERROR	Notable	→
ETXTBSY	Text File Busy	ERROR	Notable	→
EFBIG	File Too Large	ERROR	Common	→
ESPIPE	Illegal Seek	ERROR	Notable	→
EROFS	Read-Only File System	ERROR	Common	→
EMLINK	Too Many Links	ERROR	Critical	→
EDOM	Math Argument Out of Domain	ERROR	Notable	→
ERANGE	Math Result Not Representable	ERROR	Common	→
ENOLCK	No Locks Available	ERROR	Notable	→
ENOTEMPTY	Directory Not Empty	ERROR	Common	→
ENOMSG	No Message of Desired Type	ERROR	Critical	→
EIDRM	Identifier Removed	ERROR	Notable	→
ECHRNG	Channel Number Out of Range	ERROR	Critical	→
EL2NSYNC	Level 2 Not Synchronized	ERROR	Critical	→
EL3HLT	Level 3 Halted	ERROR	Critical	→
EL3RST	Level 3 Reset	ERROR	Critical	→
ELNRNG	Link Number Out of Range	ERROR	Critical	→
EUNATCH	Protocol Driver Not Attached	ERROR	Notable	→
ENOCSI	No CSI Structure Available	ERROR	Critical	→
EL2HLT	Level 2 Halted	ERROR	Critical	→
EBADE	Invalid Exchange	ERROR	Notable	→
EBADR	Invalid Request Descriptor	ERROR	Notable	→
EXFULL	Exchange Full	ERROR	Notable	→
ENOANO	No Anode	ERROR	Critical	→
EBADRQC	Invalid Request Code	ERROR	Notable	→
EBADSLT	Invalid Slot	ERROR	Notable	→
EBFONT	Bad Font File Format	ERROR	Critical	→
ENOSTR	Device Not a Stream	ERROR	Notable	→
ENODATA	No Data Available	ERROR	Notable	→
ETIME	Timer Expired	ERROR	Notable	→
ENOSR	Out of Streams Resources	ERROR	Notable	→
ENONET	Machine Is Not on the Network	ERROR	Notable	→
ENOPKG	Package Not Installed	ERROR	Critical	→
EREMOTE	Object Is Remote	ERROR	Notable	→
ENOLINK	Link Has Been Severed	ERROR	Notable	→
EADV	Advertise Error	ERROR	Critical	→
ESRMNT	Srmount Error	ERROR	Critical	→
ECOMM	Communication Error on Send	ERROR	Notable	→
EPROTO	Protocol Error	ERROR	Notable	→
EMULTIHOP	Multihop Attempted	ERROR	Notable	→
EDOTDOT	RFS Specific Error	ERROR	Critical	→
EBADMSG	Bad Message	ERROR	Notable	→
EOVERFLOW	Value Too Large for Defined Data Type	ERROR	Notable	→
ENOTUNIQ	Name Not Unique on Network	ERROR	Notable	→
EBADFD	File Descriptor in Bad State	ERROR	Notable	→
EREMCHG	Remote Address Changed	ERROR	Notable	→
ELIBACC	Cannot Access a Needed Shared Library	ERROR	Notable	→
ELIBBAD	Accessing a Corrupted Shared Library	ERROR	Notable	→
ELIBSCN	.lib Section in a.out Corrupted	ERROR	Critical	→
ELIBMAX	Too Many Shared Libraries	ERROR	Notable	→
ELIBEXEC	Cannot Exec a Shared Library Directly	ERROR	Common	→
EILSEQ	Invalid or Incomplete Multibyte or Wide Character	ERROR	Notable	→
ERESTART	Interrupted System Call Should Be Restarted	ERROR	Notable	→
ESTRPIPE	Streams Pipe Error	ERROR	Notable	→
EUSERS	Too Many Users	ERROR	Notable	→
ENOTSOCK	Socket Operation on Non-Socket	ERROR	Common	→
EDESTADDRREQ	Destination Address Required	ERROR	Common	→
EMSGSIZE	Message Too Long	ERROR	Common	→
EPROTOTYPE	Protocol Wrong Type for Socket	ERROR	Common	→
ENOPROTOOPT	Protocol Not Available	ERROR	Common	→
EPROTONOSUPPORT	Protocol Not Supported	ERROR	Common	→
ESOCKTNOSUPPORT	Socket Type Not Supported	ERROR	Common	→
EOPNOTSUPP	Operation Not Supported	ERROR	Common	→
EPFNOSUPPORT	Protocol Family Not Supported	ERROR	Common	→
EAFNOSUPPORT	Address Family Not Supported by Protocol	ERROR	Common	→
EADDRNOTAVAIL	Cannot Assign Requested Address	ERROR	Notable	→
ENETDOWN	Network Is Down	ERROR	Notable	→
ENETUNREACH	Network Is Unreachable	ERROR	Notable	→
ENETRESET	Network Dropped Connection on Reset	ERROR	Notable	→
ECONNABORTED	Software Caused Connection Abort	ERROR	Notable	→
ENOBUFS	No Buffer Space Available	ERROR	Notable	→
EISCONN	Transport Endpoint Is Already Connected	ERROR	Common	→
ENOTCONN	Transport Endpoint Is Not Connected	ERROR	Common	→
ESHUTDOWN	Cannot Send After Transport Endpoint Shutdown	ERROR	Common	→
ETOOMANYREFS	Too Many References: Cannot Splice	ERROR	Critical	→
EHOSTDOWN	Host Is Down	ERROR	Notable	→
EALREADY	Operation Already in Progress	ERROR	Common	→
EINPROGRESS	Operation Now in Progress	ERROR	Common	→
ESTALE	Stale File Handle	ERROR	Notable	→
EUCLEAN	Structure Needs Cleaning	ERROR	Notable	→
ENOTNAM	Not a XENIX Named Type File	ERROR	Critical	→
ENAVAIL	No XENIX Semaphores Available	ERROR	Critical	→
EISNAM	Is a Named Type File	ERROR	Critical	→
EREMOTEIO	Remote I/O Error	ERROR	Notable	→
EDQUOT	Disk Quota Exceeded	ERROR	Notable	→
ENOMEDIUM	No Medium Found	ERROR	Notable	→
EMEDIUMTYPE	Wrong Medium Type	ERROR	Notable	→
ECANCELED	Operation Canceled	ERROR	Common	→
ENOKEY	Required Key Not Available	ERROR	Notable	→
EKEYEXPIRED	Key Has Expired	ERROR	Notable	→
EKEYREVOKED	Key Has Been Revoked	ERROR	Notable	→
EKEYREJECTED	Key Was Rejected by Service	ERROR	Notable	→
EOWNERDEAD	Owner Died	ERROR	Notable	→
ENOTRECOVERABLE	State Not Recoverable	ERROR	Notable	→
ERFKILL	Operation Not Possible Due to RF-Kill	ERROR	Notable	→
EHWPOISON	Memory Page Has Hardware Error	ERROR	Critical	→