Microsoft R v3.4.0 - Segfault on Debian 9 'memory not mapped'

[MattWeatherford]

Installed as root on pretty fresh Debian 9 installation

Installed both the msro and the intel packages

did not see any error in the install output to the screen.

regularuser@debian9-stretch:~$ R

R version 3.4.0 (2017-04-21) -- "You Stupid Darkness" Copyright (C) 2017 The R Foundation for Statistical Computing Platform: x86_64-pc-linux-gnu (64-bit)

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caught segfault address 0x50, cause 'memory not mapped'

Traceback: 1: dyn.load(libPath) 2: doTryCatch(return(expr), name, parentenv, handler) 3: tryCatchOne(expr, names, parentenv, handlers[[1L]]) 4: tryCatchList(expr, classes, parentenv, handlers) 5: tryCatch(expr, error = function(e) { call <- conditionCall(e) if (!is.null(call)) { if (identical(call[[1L]], quote(doTryCatch))) call <- sys.call(-4L) dcall <- deparse(call)[1L] prefix <- paste("Error in", dcall, ": ") LONG <- 75L msg <- conditionMessage(e) sm <- strsplit(msg, "\n")[[1L]] w <- 14L + nchar(dcall, type = "w") + nchar(sm[1L], type = "w") if (is.na(w)) w <- 14L + nchar(dcall, type = "b") + nchar(sm[1L], type = "b") if (w > LONG) prefix <- paste0(prefix, "\n ") } else prefix <- "Error : " msg <- paste0(prefix, conditionMessage(e), "\n") .Internal(seterrmessage(msg[1L])) if (!silent && identical(getOption("show.error.messages"), TRUE)) { cat(msg, file = outFile) .Internal(printDeferredWarnings()) } invisible(structure(msg, class = "try-error", condition = e))}) 6: try(dyn.load(libPath), silent = TRUE) 7: tryLoadMKL(full_path, mklSymbol) 8: fun(libname, pkgname) 9: doTryCatch(return(expr), name, parentenv, handler) 10: tryCatchOne(expr, names, parentenv, handlers[[1L]]) 11: tryCatchList(expr, classes, parentenv, handlers) 12: tryCatch(fun(libname, pkgname), error = identity) 13: runHook(".onLoad", env, package.lib, package) 14: loadNamespace(package, lib.loc) 15: doTryCatch(return(expr), name, parentenv, handler) 16: tryCatchOne(expr, names, parentenv, handlers[[1L]]) 17: tryCatchList(expr, classes, parentenv, handlers) 18: tryCatch({ attr(package, "LibPath") <- which.lib.loc ns <- loadNamespace(package, lib.loc) env <- attachNamespace(ns, pos = pos, deps)}, error = function(e) { P <- if (!is.null(cc <- conditionCall(e))) paste(" in", deparse(cc)[1L]) else "" msg <- gettextf("package or namespace load failed for %s%s:\n %s", sQuote(package), P, conditionMessage(e)) if (logical.return) message(paste("Error:", msg), domain = NA) else stop(msg, call. = FALSE, domain = NA)}) 19: library("RevoUtilsMath") 20: do.call("library", list(package)) 21: load_if_installed("RevoUtilsMath") 22: eval(quote({ r <- getOption("repos") if (.Platform$OS.type == "unix") { options(download.file.method = "curl") } r["CRAN"] <- RevoUtils::getRevoRepos() options(repos = r) MRS.is.client <- RevoUtils:::isMicrosoftRClient() isMMLSupported <- FALSE if (identical(.Platform$OS.type, "windows")) { isMMLSupported <- TRUE } if (identical(.Platform$OS.type, "unix") && length(grep("Ubuntu", Sys.info()["version"]))) { if (file.exists("/etc/lsb-release")) { UbuntuReleaseInfo <- scan("/etc/lsb-release", what = "", sep = "\n", quiet = TRUE) if (identical(UbuntuReleaseInfo[2], "DISTRIB_RELEASE=14.04") || identical(UbuntuReleaseInfo[2], "DISTRIB_RELEASE=16.04")) { isMMLSupported <- TRUE } } } if (identical(.Platform$OS.type, "unix") && length(grep("el7.x86_64", Sys.info()["release"]))) { isMMLSupported <- TRUE } if (!identical(system.file(package = "RevoScaleR"), "")) { options(defaultPackages = c(getOption("defaultPackages"), "rpart", "lattice", "RevoScaleR", if (!identical(system.file(package = "mrsdeploy"), "") && identical(.Platform$OS, "windows")) "mrsdeploy", if (!identical(system.file(package = "MicrosoftML"), "") && isMMLSupported) "MicrosoftML", "RevoMods", "RevoUtils", "RevoUtilsMath")) if (nchar(hostName <- Sys.getenv("REVOHADOOPHOST")) && nchar(portNumber <- Sys.getenv("REVOHADOOPPORT"))) { RevoScaleR::rxHdfsConnect(hostName = hostName, portNumber = as.numeric(portNumber)) } } .RevoVersionShort <- Revo.version$version.string .RevoVersionShortLen <- regexpr("^. \d+\.\d+", .RevoVersionShort, perl = TRUE) .RevoVersionShort <- substring(.RevoVersionShort, 1, attributes(.RevoVersionShortLen)$match) if ("setWindowTitle" %in% getNamespaceExports("utils")) { if (Revo.version$arch == "x86_64") { .RevoVersionShort <- paste(.RevoVersionShort, "(64-bit)") } try(utils::setWindowTitle(paste(" - ", .RevoVersionShort)), silent = TRUE) } if (.Platform$OS.type == "unix" && capabilities("X11")) { browseAvail <- Sys.which(c("firefox", "mozilla", "galeon", "opera", "xdg-open", "kfmclient", "gnome-moze-remote")) if (any(browseAvail != "")) { options(browser = browseAvail[which(browseAvail != "")[1]]) } } if (.Platform$OS.type == "windows") { options(help_type = "html") } load_if_installed <- function(package) { if (!identical(system.file(package = "RevoUtilsMath"), "")) { do.call("library", list(package)) return(TRUE) } else { return(FALSE) } } if (identical(system.file(package = "RevoScaleR"), "")) { if (load_if_installed("RevoUtilsMath")) { ncores <- RevoUtilsMath::getMKLthreads() } else { MROversion <- paste(Revo.version$major, Revo.version$minor, sep = ".") MKLmsg <- "No performance acceleration libraries were detected. To take advantage of \nthe available processing power, also install MKL for R Open. Visit \nhttp://go.microsoft.com/fwlink/?LinkID=698301 for more details.\n" } if (Sys.info()["sysname"] == "Darwin") { options(download.file.method = "libcurl") hw.ncpu <- try(system("sysctl hw.physicalcpu", intern = TRUE)) if (!inherits(hw.ncpu, "try-error")) { ncores <- sub("hw.physicalcpu: ", "", hw.ncpu) MKLmsg = paste0("Multithreaded BLAS/LAPACK libraries detected. Using ", ncores, " cores for math algorithms.\n") } } else { if (load_if_installed("RevoUtilsMath")) { ncores <- RevoUtilsMath::getMKLthreads() MKLmsg = "" } else { MROversion <- paste(Revo.version$major, Revo.version$minor, sep = ".") MKLmsg <- "No performance acceleration libraries were detected. To take advantage of \nthe available processing power, also install MKL for R Open. \n\nVisit http://go.microsoft.com/fwlink/?LinkID=698301 for more details." } } } else { ncores <- RevoUtilsMath::getMKLthreads() MKLmsg <- "" } quiet <- any(match(c("-q", "--silent", "--quiet", "--slave"), commandArgs()), na.rm = TRUE) if (!quiet && !identical(system.file(package = "RevoScaleR"), "")) { cat("Microsoft R Open ", R.version$major, ".", R.version$minor, "\n", sep = "") cat("The enhanced R distribution from Microsoft\n", sep = "") cat("Microsoft packages Copyright (C)", Revo.version$year, "Microsoft\n\n") if (MRS.is.client == FALSE) { ScaleRPkgName <- "RevoScaleR" pkgVersion <- utils::packageDescription(ScaleRPkgName)$Version cat("Loading Microsoft R Server packages, version ", pkgVersion, ".\n", sep = "") } else { RclientPkgName <- "MicrosoftR" pkgVersion <- utils::packageDescription(RclientPkgName)$Version cat("Loading Microsoft R Client packages, version ", pkgVersion, ". \n", sep = "") cat("Microsoft R Client limits some functions to available memory.\n") cat("See: https://go.microsoft.com/fwlink/?linkid=799476 for information\n", sep = "") cat("about additional features.\n\n", sep = "") } cat("Type 'readme()' for release notes, privacy() for privacy policy, or\n", sep = "") cat("'RevoLicense()' for licensing information.\n\n", sep = "") if (MKLmsg == "") { cat(paste("Using the Intel MKL for parallel mathematical computing(using", ncores, "cores).\n", sep = " ")) } else { cat(MKLmsg, MROversion, sep = " ") } cat(paste("Default CRAN mirror snapshot taken on ", repos.date, ".\n", sep = "")) cat("See: https://mran.microsoft.com/.", "\n\n", sep = "") mrupdate::mrCheckForUpdates() } else if (!quiet) { cat("Microsoft R Open ", R.version$major, ".", R.version$minor, "\n", sep = "") cat("The enhanced R distribution from Microsoft\n", sep = "") cat("Microsoft packages Copyright (C)", Revo.version$year, "Microsoft Corporation\n\n") if (MKLmsg == "") { cat(paste("Using the Intel MKL for parallel mathematical computing(using", ncores, "cores).\n", sep = " ")) } else { cat(MKLmsg) } cat("\nDefault CRAN mirror snapshot taken on ", repos.date, ".", sep = "") cat("\n", "See: https://mran.microsoft.com/.", sep = "") cat("\n\n") }}), new.env()) 23: eval(quote({ r <- getOption("repos") if (.Platform$OS.type == "unix") { options(download.file.method = "curl") } r["CRAN"] <- RevoUtils::getRevoRepos() options(repos = r) MRS.is.client <- RevoUtils:::isMicrosoftRClient() isMMLSupported <- FALSE if (identical(.Platform$OS.type, "windows")) { isMMLSupported <- TRUE } if (identical(.Platform$OS.type, "unix") && length(grep("Ubuntu", Sys.info()["version"]))) { if (file.exists("/etc/lsb-release")) { UbuntuReleaseInfo <- scan("/etc/lsb-release", what = "", sep = "\n", quiet = TRUE) if (identical(UbuntuReleaseInfo[2], "DISTRIB_RELEASE=14.04") || identical(UbuntuReleaseInfo[2], "DISTRIB_RELEASE=16.04")) { isMMLSupported <- TRUE } } } if (identical(.Platform$OS.type, "unix") && length(grep("el7.x86_64", Sys.info()["release"]))) { isMMLSupported <- TRUE } if (!identical(system.file(package = "RevoScaleR"), "")) { options(defaultPackages = c(getOption("defaultPackages"), "rpart", "lattice", "RevoScaleR", if (!identical(system.file(package = "mrsdeploy"), "") && identical(.Platform$OS, "windows")) "mrsdeploy", if (!identical(system.file(package = "MicrosoftML"), "") && isMMLSupported) "MicrosoftML", "RevoMods", "RevoUtils", "RevoUtilsMath")) if (nchar(hostName <- Sys.getenv("REVOHADOOPHOST")) && nchar(portNumber <- Sys.getenv("REVOHADOOPPORT"))) { RevoScaleR::rxHdfsConnect(hostName = hostName, portNumber = as.numeric(portNumber)) } } .RevoVersionShort <- Revo.version$version.string .RevoVersionShortLen <- regexpr("^. \d+\.\d+", .RevoVersionShort, perl = TRUE) .RevoVersionShort <- substring(.RevoVersionShort, 1, attributes(.RevoVersionShortLen)$match) if ("setWindowTitle" %in% getNamespaceExports("utils")) { if (Revo.version$arch == "x86_64") { .RevoVersionShort <- paste(.RevoVersionShort, "(64-bit)") } try(utils::setWindowTitle(paste(" - ", .RevoVersionShort)), silent = TRUE) } if (.Platform$OS.type == "unix" && capabilities("X11")) { browseAvail <- Sys.which(c("firefox", "mozilla", "galeon", "opera", "xdg-open", "kfmclient", "gnome-moze-remote")) if (any(browseAvail != "")) { options(browser = browseAvail[which(browseAvail != "")[1]]) } } if (.Platform$OS.type == "windows") { options(help_type = "html") } load_if_installed <- function(package) { if (!identical(system.file(package = "RevoUtilsMath"), "")) { do.call("library", list(package)) return(TRUE) } else { return(FALSE) } } if (identical(system.file(package = "RevoScaleR"), "")) { if (load_if_installed("RevoUtilsMath")) { ncores <- RevoUtilsMath::getMKLthreads() } else { MROversion <- paste(Revo.version$major, Revo.version$minor, sep = ".") MKLmsg <- "No performance acceleration libraries were detected. To take advantage of \nthe available processing power, also install MKL for R Open. Visit \nhttp://go.microsoft.com/fwlink/?LinkID=698301 for more details.\n" } if (Sys.info()["sysname"] == "Darwin") { options(download.file.method = "libcurl") hw.ncpu <- try(system("sysctl hw.physicalcpu", intern = TRUE)) if (!inherits(hw.ncpu, "try-error")) { ncores <- sub("hw.physicalcpu: ", "", hw.ncpu) MKLmsg = paste0("Multithreaded BLAS/LAPACK libraries detected. Using ", ncores, " cores for math algorithms.\n") } } else { if (load_if_installed("RevoUtilsMath")) { ncores <- RevoUtilsMath::getMKLthreads() MKLmsg = "" } else { MROversion <- paste(Revo.version$major, Revo.version$minor, sep = ".") MKLmsg <- "No performance acceleration libraries were detected. To take advantage of \nthe available processing power, also install MKL for R Open. \n\nVisit http://go.microsoft.com/fwlink/?LinkID=698301 for more details." } } } else { ncores <- RevoUtilsMath::getMKLthreads() MKLmsg <- "" } quiet <- any(match(c("-q", "--silent", "--quiet", "--slave"), commandArgs()), na.rm = TRUE) if (!quiet && !identical(system.file(package = "RevoScaleR"), "")) { cat("Microsoft R Open ", R.version$major, ".", R.version$minor, "\n", sep = "") cat("The enhanced R distribution from Microsoft\n", sep = "") cat("Microsoft packages Copyright (C)", Revo.version$year, "Microsoft\n\n") if (MRS.is.client == FALSE) { ScaleRPkgName <- "RevoScaleR" pkgVersion <- utils::packageDescription(ScaleRPkgName)$Version cat("Loading Microsoft R Server packages, version ", pkgVersion, ".\n", sep = "") } else { RclientPkgName <- "MicrosoftR" pkgVersion <- utils::packageDescription(RclientPkgName)$Version cat("Loading Microsoft R Client packages, version ", pkgVersion, ". \n", sep = "") cat("Microsoft R Client limits some functions to available memory.\n") cat("See: https://go.microsoft.com/fwlink/?linkid=799476 for information\n", sep = "") cat("about additional features.\n\n", sep = "") } cat("Type 'readme()' for release notes, privacy() for privacy policy, or\n", sep = "") cat("'RevoLicense()' for licensing information.\n\n", sep = "") if (MKLmsg == "") { cat(paste("Using the Intel MKL for parallel mathematical computing(using", ncores, "cores).\n", sep = " ")) } else { cat(MKLmsg, MROversion, sep = " ") } cat(paste("Default CRAN mirror snapshot taken on ", repos.date, ".\n", sep = "")) cat("See: https://mran.microsoft.com/.", "\n\n", sep = "") mrupdate::mrCheckForUpdates() } else if (!quiet) { cat("Microsoft R Open ", R.version$major, ".", R.version$minor, "\n", sep = "") cat("The enhanced R distribution from Microsoft\n", sep = "") cat("Microsoft packages Copyright (C)", Revo.version$year, "Microsoft Corporation\n\n") if (MKLmsg == "") { cat(paste("Using the Intel MKL for parallel mathematical computing(using", ncores, "cores).\n", sep = " ")) } else { cat(MKLmsg) } cat("\nDefault CRAN mirror snapshot taken on ", repos.date, ".", sep = "") cat("\n", "See: https://mran.microsoft.com/.", sep = "") cat("\n\n") }}), new.env()) 24: eval(expr, p) 25: eval(expr, p) 26: eval.parent(substitute(eval(quote(expr), envir))) 27: local({ r <- getOption("repos") if (.Platform$OS.type == "unix") { options(download.file.method = "curl") } r["CRAN"] <- RevoUtils::getRevoRepos() options(repos = r) MRS.is.client <- RevoUtils:::isMicrosoftRClient() isMMLSupported <- FALSE if (identical(.Platform$OS.type, "windows")) { isMMLSupported <- TRUE } if (identical(.Platform$OS.type, "unix") && length(grep("Ubuntu", Sys.info()["version"]))) { if (file.exists("/etc/lsb-release")) { UbuntuReleaseInfo <- scan("/etc/lsb-release", what = "", sep = "\n", quiet = TRUE) if (identical(UbuntuReleaseInfo[2], "DISTRIB_RELEASE=14.04") || identical(UbuntuReleaseInfo[2], "DISTRIB_RELEASE=16.04")) { isMMLSupported <- TRUE } } } if (identical(.Platform$OS.type, "unix") && length(grep("el7.x86_64", Sys.info()["release"]))) { isMMLSupported <- TRUE } if (!identical(system.file(package = "RevoScaleR"), "")) { options(defaultPackages = c(getOption("defaultPackages"), "rpart", "lattice", "RevoScaleR", if (!identical(system.file(package = "mrsdeploy"), "") && identical(.Platform$OS, "windows")) "mrsdeploy", if (!identical(system.file(package = "MicrosoftML"), "") && isMMLSupported) "MicrosoftML", "RevoMods", "RevoUtils", "RevoUtilsMath")) if (nchar(hostName <- Sys.getenv("REVOHADOOPHOST")) && nchar(portNumber <- Sys.getenv("REVOHADOOPPORT"))) { RevoScaleR::rxHdfsConnect(hostName = hostName, portNumber = as.numeric(portNumber)) } } .RevoVersionShort <- Revo.version$version.string .RevoVersionShortLen <- regexpr("^.* \d+\.\d+", .RevoVersionShort, perl = TRUE) .RevoVersionShort <- substring(.RevoVersionShort, 1, attributes(.RevoVersionShortLen)$match) if ("setWindowTitle" %in% getNamespaceExports("utils")) { if (Revo.version$arch == "x86_64") { .RevoVersionShort <- paste(.RevoVersionShort, "(64-bit)") } try(utils::setWindowTitle(paste(" - ", .RevoVersionShort)), silent = TRUE) } if (.Platform$OS.type == "unix" && capabilities("X11")) { browseAvail <- Sys.which(c("firefox", "mozilla", "galeon", "opera", "xdg-open", "kfmclient", "gnome-moze-remote")) if (any(browseAvail != "")) { options(browser = browseAvail[which(browseAvail != "")[1]]) } } if (.Platform$OS.type == "windows") { options(help_type = "html") } load_if_installed <- function(package) { if (!identical(system.file(package = "RevoUtilsMath"), "")) { do.call("library", list(package)) return(TRUE) } else { return(FALSE) } } if (identical(system.file(package = "RevoScaleR"), "")) { if (load_if_installed("RevoUtilsMath")) { ncores <- RevoUtilsMath::getMKLthreads() } else { MROversion <- paste(Revo.version$major, Revo.version$minor, sep = ".") MKLmsg <- "No performance acceleration libraries were detected. To take advantage of \nthe available processing power, also install MKL for R Open. Visit \nhttp://go.microsoft.com/fwlink/?LinkID=698301 for more details.\n" } if (Sys.info()["sysname"] == "Darwin") { options(download.file.method = "libcurl") hw.ncpu <- try(system("sysctl hw.physicalcpu", intern = TRUE)) if (!inherits(hw.ncpu, "try-error")) { ncores <- sub("hw.physicalcpu: ", "", hw.ncpu) MKLmsg = paste0("Multithreaded BLAS/LAPACK libraries detected. Using ", ncores, " cores for math algorithms.\n") } } else { if (load_if_installed("RevoUtilsMath")) { ncores <- RevoUtilsMath::getMKLthreads() MKLmsg = "" } else { MROversion <- paste(Revo.version$major, Revo.version$minor, sep = ".") MKLmsg <- "No performance acceleration libraries were detected. To take advantage of \nthe available processing power, also install MKL for R Open. \n\nVisit http://go.microsoft.com/fwlink/?LinkID=698301 for more details." } } } else { ncores <- RevoUtilsMath::getMKLthreads() MKLmsg <- "" } quiet <- any(match(c("-q", "--silent", "--quiet", "--slave"), commandArgs()), na.rm = TRUE) if (!quiet && !identical(system.file(package = "RevoScaleR"), "")) { cat("Microsoft R Open ", R.version$major, ".", R.version$minor, "\n", sep = "") cat("The enhanced R distribution from Microsoft\n", sep = "") cat("Microsoft packages Copyright (C)", Revo.version$year, "Microsoft\n\n") if (MRS.is.client == FALSE) { ScaleRPkgName <- "RevoScaleR" pkgVersion <- utils::packageDescription(ScaleRPkgName)$Version cat("Loading Microsoft R Server packages, version ", pkgVersion, ".\n", sep = "") } else { RclientPkgName <- "MicrosoftR" pkgVersion <- utils::packageDescription(RclientPkgName)$Version cat("Loading Microsoft R Client packages, version ", pkgVersion, ". \n", sep = "") cat("Microsoft R Client limits some functions to available memory.\n") cat("See: https://go.microsoft.com/fwlink/?linkid=799476 for information\n", sep = "") cat("about additional features.\n\n", sep = "") } cat("Type 'readme()' for release notes, privacy() for privacy policy, or\n", sep = "") cat("'RevoLicense()' for licensing information.\n\n", sep = "") if (MKLmsg == "") { cat(paste("Using the Intel MKL for parallel mathematical computing(using", ncores, "cores).\n", sep = " ")) } else { cat(MKLmsg, MROversion, sep = " ") } cat(paste("Default CRAN mirror snapshot taken on ", repos.date, ".\n", sep = "")) cat("See: https://mran.microsoft.com/.", "\n\n", sep = "") mrupdate::mrCheckForUpdates() } else if (!quiet) { cat("Microsoft R Open ", R.version$major, ".", R.version$minor, "\n", sep = "") cat("The enhanced R distribution from Microsoft\n", sep = "") cat("Microsoft packages Copyright (C)", Revo.version$year, "Microsoft Corporation\n\n") if (MKLmsg == "") { cat(paste("Using the Intel MKL for parallel mathematical computing(using", ncores, "cores).\n", sep = " ")) } else { cat(MKLmsg) } cat("\nDefault CRAN mirror snapshot taken on ", repos.date, ".", sep = "") cat("\n", "See: https://mran.microsoft.com/.", sep = "") cat("\n\n") }})

Possible actions: 1: abort (with core dump, if enabled) 2: normal R exit 3: exit R without saving workspace 4: exit R saving workspace Selection: 2 Save workspace image? [y/n/c]: n Warning message: In doTryCatch(return(expr), name, parentenv, handler) : unable to load shared object '/usr/lib64/microsoft-r/3.4/lib64/R/modules//R_X11.so': libpng12.so.0: cannot open shared object file: No such file or directory testu1@debian9-stretch-vm-template:~$

This was the fix for me: (as root)

apt-get install libpng16-16

cd /usr/lib/x86_64-linux-gnu

ln -s libpng16.so.16.28.0 libpng12.so.0

Could this be added to the installer?

[seanv507]

I had the same issue on debian 9

[tc-mustang]

Had the same issue on Pop!_os The fix worked for me too.

[MattWeatherford]

Just out of curiosity, @tc-mustang, is this still a problem on MS R 3.4.3 ? or were you using 3.4.0 ? thanks, Matt

[tc-mustang]

I was using 3.4.3

[matthiasgomolka]

I get the same error in Pop!_os, but the proposed fix does not work.

[cauldnz]

I had this issue on Ubuntu 17.10 with MRO 3.4.3. Obviusly looking to link an older version of libpng

The below worked for me.

wget -q -O /tmp/libpng12.deb http://mirrors.kernel.org/ubuntu/pool/main/libp/libpng/libpng12-0_1.2.54-1ubuntu1_amd64.deb \
  && dpkg -i /tmp/libpng12.deb \
  && rm /tmp/libpng12.deb

[omega1x]

I had the same issue on Ubuntu 18.04 with MRO 3.5.0. MattWeatherford's fix worked great with libpng16.so.16.34.0

[karltk]

The problem appears to persist in MRO 3.5.1 on Ubuntu 18.04.

[raivivek]

Yes, happens with me too.

[jeroenterheerdt]

the (install page)]https://mran.microsoft.com/documents/rro/installation] actually mentions the requirement to install the libpng package separately:

On Ubuntu 18.04, you must also install libpng12 from the Linux Kernel archives, as it is no longer part of the Ubuntu distribution, as follows:

wget https://mirrors.kernel.org/ubuntu/pool/main/libp/libpng/libpng12-0_1.2.54-1ubuntu1_amd64.deb
dpkg -i libpng12-01_1.2.54-1ubuntu1_amd64.deb