173.14.28173.14.28

9 files changed, 303 insertions, 53 deletions

diff --git a/DRIVER_VERSION b/DRIVER_VERSION
index 1eedd74..3676236 100644
--- a/DRIVER_VERSION
+++ b/DRIVER_VERSION
@@ -1 +1 @@
-173.14.27
+173.14.28
diff --git a/install-from-cwd.c b/install-from-cwd.c
index 78d4e29..94c7c36 100644
--- a/install-from-cwd.c
+++ b/install-from-cwd.c
@@ -139,6 +139,10 @@ int install_from_cwd(Options *op)
     }
     ran_pre_install_hook = TRUE;
 
+    /* fail if the nouveau driver is currently in use */
+
+    if (!check_for_nouveau(op)) goto failed;
+
     /* attempt to build a kernel module for the target kernel */
 
     if (!op->no_kernel_module) {
diff --git a/kernel.c b/kernel.c
index 6dbd049..2f7c9a8 100644
--- a/kernel.c
+++ b/kernel.c
@@ -736,8 +736,8 @@ int test_kernel_module(Options *op, Package *p)
                  "built against the wrong or improperly configured "
                  "kernel sources, with a version of gcc that differs "
                  "from the one used to build the target kernel, or "
-                 "if a driver such as rivafb/nvidiafb is present and "
-                 "prevents the NVIDIA kernel module from obtaining "
+                 "if a driver such as rivafb, nvidiafb, or nouveau is present "
+                 "and prevents the NVIDIA kernel module from obtaining "
                  "ownership of the NVIDIA graphics device(s).\n\n"
                  "Please see the log entries 'Kernel module load "
                  "error' and 'Kernel messages' at the end of the file "
diff --git a/log.c b/log.c
index 62641b8..21c535e 100644
--- a/log.c
+++ b/log.c
@@ -79,6 +79,7 @@ static FILE *log_file_stream;
 void log_init(Options *op)
 {
     time_t now;
+    char *path;
 
     if (!op->logging) return;
     
@@ -100,108 +101,128 @@ void log_init(Options *op)
     log_printf(op, TRUE, NULL, "installer version: %s",
                NVIDIA_INSTALLER_VERSION);
     log_printf(op, TRUE, NULL, "");
-    
+
+    path = getenv("PATH");
+    log_printf(op, TRUE, NULL, "PATH: %s", STRSTR(path));
+    log_printf(op, TRUE, NULL, "");
+
     log_printf(op, TRUE, NULL, "option status:");
-    log_printf(op, TRUE, NULL, "  license pre-accepted    : %s",
+    log_printf(op, TRUE, NULL, "  license pre-accepted               : %s",
                BOOLSTR(op->accept_license));
-    log_printf(op, TRUE, NULL, "  update                  : %s",
+    log_printf(op, TRUE, NULL, "  update                             : %s",
                BOOLSTR(op->update));
-    log_printf(op, TRUE, NULL, "  force update            : %s",
+    log_printf(op, TRUE, NULL, "  force update                       : %s",
                BOOLSTR(op->force_update));
-    log_printf(op, TRUE, NULL, "  expert                  : %s",
+    log_printf(op, TRUE, NULL, "  expert                             : %s",
                BOOLSTR(op->expert));
-    log_printf(op, TRUE, NULL, "  uninstall               : %s",
+    log_printf(op, TRUE, NULL, "  uninstall                          : %s",
                BOOLSTR(op->uninstall));
-    log_printf(op, TRUE, NULL, "  driver info             : %s",
+    log_printf(op, TRUE, NULL, "  driver info                        : %s",
                BOOLSTR(op->driver_info));
-    log_printf(op, TRUE, NULL, "  precompiled interfaces  : %s",
+    log_printf(op, TRUE, NULL, "  precompiled interfaces             : %s",
                BOOLSTR(!op->no_precompiled_interface));
-    log_printf(op, TRUE, NULL, "  no ncurses color        : %s",
+    log_printf(op, TRUE, NULL, "  no ncurses color                   : %s",
                BOOLSTR(op->no_ncurses_color));
-    log_printf(op, TRUE, NULL, "  query latest version    : %s",
+    log_printf(op, TRUE, NULL, "  query latest version               : %s",
                BOOLSTR(op->latest));
-    log_printf(op, TRUE, NULL, "  OpenGL header files     : %s",
+    log_printf(op, TRUE, NULL, "  OpenGL header files                : %s",
                BOOLSTR(op->opengl_headers));
-    log_printf(op, TRUE, NULL, "  no questions            : %s",
+    log_printf(op, TRUE, NULL, "  no questions                       : %s",
                BOOLSTR(op->no_questions));
-    log_printf(op, TRUE, NULL, "  silent                  : %s",
+    log_printf(op, TRUE, NULL, "  silent                             : %s",
                BOOLSTR(op->silent));
-    log_printf(op, TRUE, NULL, "  no recursion            : %s",
+    log_printf(op, TRUE, NULL, "  no recursion                       : %s",
                BOOLSTR(op->no_recursion));
-    log_printf(op, TRUE, NULL, "  no backup               : %s",
+    log_printf(op, TRUE, NULL, "  no backup                          : %s",
                BOOLSTR(op->no_backup));
-    log_printf(op, TRUE, NULL, "  kernel module only      : %s",
+    log_printf(op, TRUE, NULL, "  kernel module only                 : %s",
                BOOLSTR(op->kernel_module_only));
-    log_printf(op, TRUE, NULL, "  sanity                  : %s",
+    log_printf(op, TRUE, NULL, "  sanity                             : %s",
                BOOLSTR(op->sanity));
-    log_printf(op, TRUE, NULL, "  add this kernel         : %s",
+    log_printf(op, TRUE, NULL, "  add this kernel                    : %s",
                BOOLSTR(op->add_this_kernel));
-    log_printf(op, TRUE, NULL, "  no runlevel check       : %s",
+    log_printf(op, TRUE, NULL, "  no runlevel check                  : %s",
                BOOLSTR(op->no_runlevel_check));
-    log_printf(op, TRUE, NULL, "  no network              : %s",
+    log_printf(op, TRUE, NULL, "  no network                         : %s",
                BOOLSTR(op->no_network));
-    log_printf(op, TRUE, NULL, "  no ABI note             : %s",
+    log_printf(op, TRUE, NULL, "  no ABI note                        : %s",
                BOOLSTR(op->no_abi_note));
-    log_printf(op, TRUE, NULL, "  no RPMs                 : %s",
+    log_printf(op, TRUE, NULL, "  no RPMs                            : %s",
                BOOLSTR(op->no_rpms));
-    log_printf(op, TRUE, NULL, "  no kernel module        : %s",
+    log_printf(op, TRUE, NULL, "  no kernel module                   : %s",
                BOOLSTR(op->no_kernel_module));
-    log_printf(op, TRUE, NULL, "  force SELinux           : %s",
+    log_printf(op, TRUE, NULL, "  force SELinux                      : %s",
                SELINUXSTR(op->selinux_option));
-    log_printf(op, TRUE, NULL, "  no X server check       : %s",
+    log_printf(op, TRUE, NULL, "  no X server check                  : %s",
                BOOLSTR(op->no_x_check));
-    log_printf(op, TRUE, NULL, "  no cc version check     : %s",
+    log_printf(op, TRUE, NULL, "  no cc version check                : %s",
                BOOLSTR(op->ignore_cc_version_check));
-    log_printf(op, TRUE, NULL, "  force tls               : %s",
+    log_printf(op, TRUE, NULL, "  run distro scripts                 : %s",
+               BOOLSTR(op->run_distro_scripts));
+    log_printf(op, TRUE, NULL, "  no nouveau check                   : %s",
+               BOOLSTR(op->no_nouveau_check));
+    log_printf(op, TRUE, NULL, "  run nvidia-xconfig                 : %s",
+               BOOLSTR(op->run_nvidia_xconfig));
+    log_printf(op, TRUE, NULL, "  sigwinch work around               : %s",
+               BOOLSTR(op->sigwinch_workaround));
+    log_printf(op, TRUE, NULL, "  force tls                          : %s",
                TLSSTR(op->which_tls));
 #if defined(NV_X86_64)
-    log_printf(op, TRUE, NULL, "  force compat32 tls      : %s",
+    log_printf(op, TRUE, NULL, "  force compat32 tls                 : %s",
                TLSSTR(op->which_tls_compat32));
 #endif
-    log_printf(op, TRUE, NULL, "  X install prefix        : %s",
+    log_printf(op, TRUE, NULL, "  X install prefix                   : %s",
                STRSTR(op->x_prefix));
-    log_printf(op, TRUE, NULL, "  X library install path  : %s",
+    log_printf(op, TRUE, NULL, "  X library install path             : %s",
                STRSTR(op->x_library_path));
-    log_printf(op, TRUE, NULL, "  X module install path   : %s",
+    log_printf(op, TRUE, NULL, "  X module install path              : %s",
                STRSTR(op->x_module_path));
-    log_printf(op, TRUE, NULL, "  OpenGL install prefix   : %s",
+    log_printf(op, TRUE, NULL, "  OpenGL install prefix              : %s",
                STRSTR(op->opengl_prefix));
-    log_printf(op, TRUE, NULL, "  OpenGL install libdir   : %s",
+    log_printf(op, TRUE, NULL, "  OpenGL install libdir              : %s",
                STRSTR(op->opengl_libdir));
 #if defined(NV_X86_64)
-    log_printf(op, TRUE, NULL, "  compat32 install chroot : %s",
+    log_printf(op, TRUE, NULL, "  compat32 install chroot            : %s",
                STRSTR(op->compat32_chroot));
-    log_printf(op, TRUE, NULL, "  compat32 install prefix : %s",
+    log_printf(op, TRUE, NULL, "  compat32 install prefix            : %s",
                STRSTR(op->compat32_prefix));
-    log_printf(op, TRUE, NULL, "  compat32 install libdir : %s",
+    log_printf(op, TRUE, NULL, "  compat32 install libdir            : %s",
                STRSTR(op->compat32_libdir));
 #endif
-    log_printf(op, TRUE, NULL, "  utility install prefix  : %s",
+    log_printf(op, TRUE, NULL, "  utility install prefix             : %s",
                STRSTR(op->utility_prefix));
-    log_printf(op, TRUE, NULL, "  utility install libdir  : %s",
+    log_printf(op, TRUE, NULL, "  utility install libdir             : %s",
                STRSTR(op->utility_libdir));
-    log_printf(op, TRUE, NULL, "  doc install prefix      : %s",
+    log_printf(op, TRUE, NULL, "  installer prefix                   : %s",
+               STRSTR(op->installer_prefix));
+    log_printf(op, TRUE, NULL, "  doc install prefix                 : %s",
                STRSTR(op->documentation_prefix));
-    log_printf(op, TRUE, NULL, "  kernel name             : %s",
+    log_printf(op, TRUE, NULL, "  kernel name                        : %s",
                STRSTR(op->kernel_name));
-    log_printf(op, TRUE, NULL, "  kernel include path     : %s",
+    log_printf(op, TRUE, NULL, "  kernel include path                : %s",
                STRSTR(op->kernel_include_path));
-    log_printf(op, TRUE, NULL, "  kernel source path      : %s",
+    log_printf(op, TRUE, NULL, "  kernel source path                 : %s",
                STRSTR(op->kernel_source_path));
-    log_printf(op, TRUE, NULL, "  kernel output path      : %s",
+    log_printf(op, TRUE, NULL, "  kernel output path                 : %s",
                STRSTR(op->kernel_output_path));
-    log_printf(op, TRUE, NULL, "  kernel install path     : %s",
+    log_printf(op, TRUE, NULL, "  kernel install path                : %s",
                STRSTR(op->kernel_module_installation_path));
-    log_printf(op, TRUE, NULL, "  proc mount point        : %s",
+    log_printf(op, TRUE, NULL, "  precompiled kernel interfaces path : %s",
+               STRSTR(op->precompiled_kernel_interfaces_path));
+    log_printf(op, TRUE, NULL, "  precompiled kernel interfaces url  : %s",
+               STRSTR(op->precompiled_kernel_interfaces_url));
+    log_printf(op, TRUE, NULL, "  proc mount point                   : %s",
                STRSTR(op->proc_mount_point));
-    log_printf(op, TRUE, NULL, "  ui                      : %s",
+    log_printf(op, TRUE, NULL, "  ui                                 : %s",
                STRSTR(op->ui_str));
-    log_printf(op, TRUE, NULL, "  tmpdir                  : %s",
+    log_printf(op, TRUE, NULL, "  tmpdir                             : %s",
                STRSTR(op->tmpdir));
-    log_printf(op, TRUE, NULL, "  ftp mirror              : %s",
+    log_printf(op, TRUE, NULL, "  ftp mirror                         : %s",
                STRSTR(op->ftp_site));
-    log_printf(op, TRUE, NULL, "  RPM file list           : %s",
+    log_printf(op, TRUE, NULL, "  RPM file list                      : %s",
                STRSTR(op->rpm_file_list));
+    log_printf(op, TRUE, NULL, "  selinux chcon type                 : %s",
+               STRSTR(op->selinux_chcon_type));
 
 
     log_printf(op, TRUE, NULL, "");
@@ -211,7 +232,7 @@ void log_init(Options *op)
 
 
 /*
- * log_printf() - if the logggin option is set, this function writes
+ * log_printf() - if the logging option is set, this function writes
  * the given printf-style input to the log_file_stream; if the logging
  * option is not set, then nothing is done here.
  */
diff --git a/misc.c b/misc.c
index 21dc015..71750d5 100644
--- a/misc.c
+++ b/misc.c
@@ -2555,6 +2555,224 @@ done:
 }
 
 
+
+/*
+ * Determine if the nouveau driver is currently in use.  We do the
+ * equivalent of:
+ *
+ *   ls -l /sys/bus/pci/devices/ /driver | grep nouveau
+ *
+ * The directory structure under /sys/bus/pci/devices/ should contain
+ * a directory for each PCI device, and for those devices with a
+ * kernel driver there will be a "driver" symlink.
+ *
+ * This appears to be consistent with how libpciaccess works.
+ *
+ * Returns TRUE if nouveau is found; returns FALSE if not.
+ */
+
+#define SYSFS_DEVICES_PATH "/sys/bus/pci/devices"
+
+static int nouveau_is_present(void)
+{
+    DIR *dir;
+    struct dirent * ent;
+    int found = FALSE;
+
+    dir = opendir(SYSFS_DEVICES_PATH);
+
+    if (!dir) {
+        return FALSE;
+    }
+
+    while ((ent = readdir(dir)) != NULL) {
+
+        char driver_path[PATH_MAX];
+        char symlink_target[PATH_MAX];
+        char *name;
+        ssize_t ret;
+
+        if ((strcmp(ent->d_name, ".") == 0) ||
+            (strcmp(ent->d_name, "..") == 0)) {
+            continue;
+        }
+
+        snprintf(driver_path, PATH_MAX,
+                 SYSFS_DEVICES_PATH "/%s/driver", ent->d_name);
+
+        driver_path[PATH_MAX - 1] = '\0';
+
+        ret = readlink(driver_path, symlink_target, PATH_MAX);
+        if (ret < 0) {
+            continue;
+        }
+
+        /* readlink(3) does not nul-terminate its returned string */
+
+        ret = NV_MIN(ret, PATH_MAX - 1);
+
+        symlink_target[ret] = '\0';
+
+        name = basename(symlink_target);
+
+        if (strcmp(name, "nouveau") == 0) {
+            found = TRUE;
+            break;
+        }
+    }
+
+    closedir(dir);
+
+    return found;
+}
+
+
+
+/*
+ * Write a modprobe configuration fragment to disable loading of
+ * nouveau:
+ *
+ *  if [ -d /etc/modprobe.d ]; then
+ *      name=/etc/modprobe.d/nvidia-installer-nouveau-blacklist
+ *      echo "# generated by nvidia-installer" > $name
+ *      echo "blacklist nouveau" >> $name
+ *      echo "options nouveau modeset=0" >> $name
+ *  fi
+ *
+ * Returns TRUE if successful; returns FALSE if there was a failure.
+ */
+
+#define ETC_MODPROBE_D "/etc/modprobe.d"
+#define ETC_MODPROBE_D_FILE \
+  ETC_MODPROBE_D "/nvidia-installer-disable-nouveau.conf"
+
+/*
+ * this checksum is the result of compute_crc() for the file contents
+ * written in blacklist_nouveau()
+ */
+
+#define ETC_MODPROBE_D_FILE_CKSUM 3728279991U
+
+static int blacklist_nouveau(void)
+{
+    int ret;
+    struct stat stat_buf;
+    FILE *file;
+
+    ret = stat(ETC_MODPROBE_D, &stat_buf);
+
+    if (ret != 0) {
+        return FALSE;
+    }
+
+    file = fopen(ETC_MODPROBE_D_FILE, "w+");
+
+    if (!file) {
+        return FALSE;
+    }
+
+    fprintf(file, "# generated by nvidia-installer\n");
+    fprintf(file, "blacklist nouveau\n");
+    fprintf(file, "options nouveau modeset=0\n");
+
+    ret = fclose(file);
+
+    if (ret != 0) {
+        return FALSE;
+    }
+
+    return TRUE;
+}
+
+
+
+/*
+ * Check if the nouveau blacklist file is already present with the
+ * contents that we expect
+ */
+
+static int nouveau_blacklist_file_is_present(Options *op)
+{
+    if (access(ETC_MODPROBE_D_FILE, R_OK) != 0) {
+        return FALSE;
+    }
+
+    if (compute_crc(op, ETC_MODPROBE_D_FILE) != ETC_MODPROBE_D_FILE_CKSUM) {
+        return FALSE;
+    }
+
+    return TRUE;
+}
+
+
+
+/*
+ * Check if the nouveau kernel driver is in use.  If it is, provide an
+ * appropriate error message and offer to try to disable nouveau.
+ *
+ * Returns FALSE if the nouveau kernel driver is in use (cause
+ * installation to abort); returns TRUE if the nouveau driver is not
+ * in use.
+ */
+
+int check_for_nouveau(Options *op)
+{
+    int ret;
+
+#define NOUVEAU_POINTER_MESSAGE                                         \
+    "Please consult the NVIDIA driver README and your Linux "           \
+        "distribution's documentation for details on how to correctly " \
+        "disable the Nouveau kernel driver."
+
+    if (op->no_nouveau_check) return TRUE;
+
+    if (!nouveau_is_present()) return TRUE;
+
+    ui_error(op, "The Nouveau kernel driver is currently in use "
+             "by your system.  This driver is incompatible with the NVIDIA "
+             "driver, and must be disabled before proceeding.  "
+             NOUVEAU_POINTER_MESSAGE);
+
+    if (nouveau_blacklist_file_is_present(op)) {
+        ui_warn(op, "The modprobe configuration file to disable Nouveau, "
+                ETC_MODPROBE_D_FILE ", is already present.  Please be "
+                "sure you have rebooted your system since that file was "
+                "written.  If you have rebooted, then Nouveau may be enabled "
+                "for other reasons, such as being included in the system "
+                "initial ramdisk or in your X configuration file.  "
+                NOUVEAU_POINTER_MESSAGE);
+        return FALSE;
+    }
+
+    ret = ui_yes_no(op, FALSE, "For some distributions, Nouveau can be "
+                    "disabled by adding a file in the modprobe configuration "
+                    "directory.  Would you like nvidia-installer to attempt "
+                    "to create this modprobe file for you?");
+
+    if (ret) {
+        ret = blacklist_nouveau();
+
+        if (ret) {
+            ui_message(op, "The modprobe configuration file to disable "
+                       "Nouveau, " ETC_MODPROBE_D_FILE ", has been written.  "
+                       "For some distributions, this may be sufficient to "
+                       "disable Nouveau; other distributions may require "
+                       "modification of the initial ramdisk.  Please reboot "
+                       "your system and attempt NVIDIA driver installation "
+                       "again.  Note if you later wish to reenable Nouveau, "
+                       "you will need to delete the file " 
+                       ETC_MODPROBE_D_FILE ".");
+        } else {
+            ui_warn(op, "Unable to alter the nouveau modprobe configuration.  "
+                    NOUVEAU_POINTER_MESSAGE);
+        }
+    }
+
+    return FALSE;
+}
+
+
+
 /*
  * nv_format_text_rows() - this function breaks the given string str
  * into some number of rows, where each row is not longer than the
diff --git a/misc.h b/misc.h
index 72fced0..e9f1619 100644
--- a/misc.h
+++ b/misc.h
@@ -120,6 +120,7 @@ int check_for_modular_xorg(Options *op);
 int check_for_nvidia_graphics_devices(Options *op, Package *p);
 int run_nvidia_xconfig(Options *op);
 int run_distro_hook(Options *op, const char *hook);
+int check_for_nouveau(Options *op);
 
 TextRows *nv_format_text_rows(const char *prefix, const char *buf,
                               int width, int word_boundary);
diff --git a/nvidia-installer.c b/nvidia-installer.c
index 3f8ead9..746de74 100644
--- a/nvidia-installer.c
+++ b/nvidia-installer.c
@@ -272,6 +272,7 @@ static void parse_commandline(int argc, char *argv[], Options *op)
             op->silent = op->no_questions = op->accept_license = TRUE;
             op->ui_str = "none";
             break;
+        case 'z': op->no_nouveau_check = TRUE; break;
 
         case 'k':
             op->kernel_name = strval;
diff --git a/nvidia-installer.h b/nvidia-installer.h
index d627467..c3a852b 100644
--- a/nvidia-installer.h
+++ b/nvidia-installer.h
@@ -141,6 +141,7 @@ typedef struct __options {
     int no_x_check;
     int no_nvidia_xconfig_question;
     int run_distro_scripts;
+    int no_nouveau_check;
 
     char *opengl_prefix;
     char *opengl_libdir;
diff --git a/option_table.h b/option_table.h
index 7ad2e99..1d2a644 100644
--- a/option_table.h
+++ b/option_table.h
@@ -412,6 +412,10 @@ static const NVGetoptOption __options[] = {
       "for distributing precompiled kernel interfaces in a local area "
       "network." },
 
+    { "no-nouveau-check", 'z', 0,
+      "Normally, nvidia-installer aborts installation if the nouveau kernel "
+      "driver is in use.  Use this option to disable this check." },
+
     { "run-nvidia-xconfig", 'X', 0,
       "nvidia-installer can optionally invoke the nvidia-xconfig utility.  "
       "This will update the system X configuration file so that the NVIDIA X "