95             PLOG(ERROR) << "Failed to create device node for " << major(dev) << ":" << minor(dev)  in CreateDeviceNode()
194     PLOG(ERROR) << "Failed to kill processes using " << path;  in KillProcessesUsingPath()
203         PLOG(ERROR) << "Failed to bind mount " << source << " to " << target;  in BindMount()
214         PLOG(ERROR) << "Failed to create symlink " << linkpath << " to " << target;  in Symlink()
222         PLOG(ERROR) << "Failed to unlink " << linkpath;  in Unlink()
234             PLOG(ERROR) << "Failed to unlink " << dir;  in CreateDir()
238         PLOG(ERROR) << "Failed to stat " << dir;  in CreateDir()
242         PLOG(ERROR) << "Failed to mkdir " << dir;  in CreateDir()
332         PLOG(ERROR) << "fdopen in ReadLinesFromFdAndLog";  in ReadLinesFromFdAndLog()
350         PLOG(ERROR) << "Pipe in ForkExecvp";  in ForkExecvp()
364             PLOG(ERROR) << "dup2 in ForkExecvp";  in ForkExecvp()
369         PLOG(ERROR) << "exec in ForkExecvp";  in ForkExecvp()
373         PLOG(ERROR) << "fork in ForkExecvp";  in ForkExecvp()
383         PLOG(ERROR) << "waitpid in ForkExecvp";  in ForkExecvp()
407         PLOG(ERROR) << "exec in ForkExecvpAsync";  in ForkExecvpAsync()
411         PLOG(ERROR) << "fork in ForkExecvpAsync";  in ForkExecvpAsync()
623         PLOG(WARNING) << "Failed to open " << path;  in GetTreeBytes()
633         PLOG(ERROR) << "Failed to read supported filesystems";  in IsFilesystemSupported()
646         PLOG(ERROR) << "Failed to open " << path;  in WipeBlockDevice()
651         PLOG(ERROR) << "Failed to determine size of " << path;  in WipeBlockDevice()
660         PLOG(ERROR) << "Discard failure on " << path;  in WipeBlockDevice()
756         PLOG(WARNING) << "Failed to stat " << path;  in GetDevice()
803         PLOG(ERROR) << "Unable to open /proc/devices";  in GetMajorBlockVirtioBlk()
846         PLOG(ERROR) << "Unable to open /proc/mounts";  in findMountPointsWithPrefix()
871             PLOG(ERROR) << "Failed to unmount " << path;  in UnmountTreeWithPrefix()
881         PLOG(ERROR) << "Failed to unmount " << mountPoint;  in UnmountTree()
908                 PLOG(ERROR) << "Couldn't openat " << name;  in delete_dir_contents()
915                 PLOG(ERROR) << "Couldn't fdopendir " << name;  in delete_dir_contents()
921                 PLOG(ERROR) << "Couldn't unlinkat " << name;  in delete_dir_contents()
926                 PLOG(ERROR) << "Couldn't unlinkat " << name;  in delete_dir_contents()
940         PLOG(ERROR) << "rmdir failed on " << pathname;  in DeleteDirContentsAndDir()
954         PLOG(ERROR) << "Failed to opendir " << pathname;  in DeleteDirContents()
978         PLOG(ERROR) << "Failed to open " << dirname;  in FsyncDirectory()
983             PLOG(WARNING) << "Skip fsync " << dirname  in FsyncDirectory()
986             PLOG(ERROR) << "Failed to fsync " << dirname;  in FsyncDirectory()
997         PLOG(ERROR) << "Failed to open " << filename;  in writeStringToFile()
1001         PLOG(ERROR) << "Failed to write to " << filename;  in writeStringToFile()
1009             PLOG(WARNING) << "Skip fsync " << filename  in writeStringToFile()
1012             PLOG(ERROR) << "Failed to fsync " << filename;  in writeStringToFile()