Fix the issue that VTOY_LINUX_REMOUNT=1 does not work on some distros (e.g. Pop OS/openSUSE/Ubuntu 23.04) (#2475 #2551)

IMG/cpio/ventoy/hook/suse/udev_disk_hook.sh

@@ -54,6 +54,21 @@ if [ -z "$dmsetup_path" ]; then
     ventoy_os_install_dmsetup "/dev/${1:0:-1}"
 fi
 
+if [ -f /proc/devices ]; then
+    vtlog "/proc/devices exist OK"
+else
+    for i in 1 2 3 4 5 6 7 8 9; do
+        if [ -f /proc/devices ]; then
+            vtlog "/proc/devices exist OK now"
+            break
+        else
+            vtlog "/proc/devices NOT exist, wait $i"
+            $BUSYBOX_PATH/sleep 1
+        fi
+    done
+fi
+
+
 ventoy_udev_disk_common_hook $*
 
 # OK finish

IMG/cpio/ventoy/hook/ventoy-hook-lib.sh

@@ -209,11 +209,20 @@ ventoy_check_dm_module() {
         vtlog "modprobe failed, now try to insmod ko..."
     
         $FIND /lib/modules/ -name "dm-mod.ko*" | while read vtline; do
-            vtlog "insmode $vtline "
+            vtlog "insmod $vtline "
             $BUSYBOX_PATH/insmod $vtline >>$VTLOG 2>&1
+            if [ $? -eq 0 ]; then
+                vtlog "insmod success"
+            else
+                vtlog "insmod failed, try decompress"
+                if echo $vtline | $GREP -q "\.zst"; then
+                    $VTOY_PATH/tool/zstdcat $vtline > $VTOY_PATH/extract_dm_mod.ko
+                    $BUSYBOX_PATH/insmod $VTOY_PATH/extract_dm_mod.ko >>$VTLOG 2>&1
+                fi
+            fi
         done
     fi
-    
+
     if $GREP -q 'device-mapper' /proc/devices; then
         vtlog "device-mapper found in /proc/devices after retry"
         $BUSYBOX_PATH/true; return
@@ -292,6 +301,7 @@ ventoy_need_dm_patch() {
 }
 
 ventoy_dm_patch() {
+    vtDmPatchDebug=0
     vtMType=$($BUSYBOX_PATH/uname -m)
 
     vtlog "######### ventoy_dm_patch ############"
@@ -350,6 +360,15 @@ ventoy_dm_patch() {
     kprobe_unreg_addr=$($GREP ' unregister_kprobe$' /proc/kallsyms | $AWK '{print $1}')
     
     if [ "$VTOY_DEBUG_LEVEL" = "01" ]; then
+        vtDmPatchDebug=1
+    fi
+    
+    if $GREP -q 'dmpatch_debug' /proc/cmdline; then
+        vtDmPatchDebug=1
+    fi
+    
+    
+    if [ $vtDmPatchDebug -eq 1 ]; then
         printk_addr=$($GREP ' printk$' /proc/kallsyms | $AWK '{print $1}')
         if [ -z "$printk_addr" ]; then
             printk_addr=$($GREP ' _printk$' /proc/kallsyms | $AWK '{print $1}')
@@ -384,14 +403,17 @@ ventoy_dm_patch() {
         return
     elif [ -d /lib/modules/$vtKv/kernel/fs ]; then
         vtModPath=$($FIND /lib/modules/$vtKv/kernel/fs/ -name "*.ko*" | $HEAD -n1)
-    else
+    elif [ -d /lib/modules/$vtKv/kernel ]; then
         vtModPath=$($FIND /lib/modules/$vtKv/kernel/ -name "xfs.ko*" | $HEAD -n1)
+    elif [ -d /lib/modules/$vtKv/initrd ]; then
+        vtModPath=$($FIND /lib/modules/$vtKv/initrd/ -name "xfs.ko*" | $HEAD -n1)
     fi
-    
+
+
     if [ -z "$vtModPath" ]; then
-        vtModPath=$($FIND /lib/modules/$vtKv/kernel/ -name "*.ko*" | $HEAD -n1)
+        vtModPath=$($FIND /lib/modules/$vtKv/ -name "*.ko*" | $HEAD -n1)
     fi
-    
+
     vtModName=$($BUSYBOX_PATH/basename $vtModPath)
     
     vtlog "template module is $vtModPath $vtModName"
@@ -405,6 +427,8 @@ ventoy_dm_patch() {
         $BUSYBOX_PATH/xzcat $vtModPath > $VTOY_PATH/$vtModName
     elif echo $vtModPath | $GREP -q "[.]ko[.]gz$"; then
         $BUSYBOX_PATH/zcat $vtModPath > $VTOY_PATH/$vtModName
+    elif echo $vtModPath | $GREP -q "[.]ko[.]zst$"; then
+        $VTOY_PATH/tool/zstdcat $vtModPath > $VTOY_PATH/$vtModName
     else
         vtlog "unsupport module type"
         return
@@ -414,17 +438,21 @@ ventoy_dm_patch() {
     
     #step1: modify vermagic/mod crc/relocation
     vtlog "$VTOY_PATH/tool/vtoykmod -u $VTOY_PATH/tool/$vtKoName $VTOY_PATH/$vtModName $vtDebug"
-    $VTOY_PATH/tool/vtoykmod -u $VTOY_PATH/tool/$vtKoName $VTOY_PATH/$vtModName $vtDebug
+    $VTOY_PATH/tool/vtoykmod -u $VTOY_PATH/tool/$vtKoName $VTOY_PATH/$vtModName $vtDebug >>$VTLOG 2>&1
     
     #step2: fill parameters
     vtPgsize=$($VTOY_PATH/tool/vtoyksym -p)
     vtlog "$VTOY_PATH/tool/vtoykmod -f $VTOY_PATH/tool/$vtKoName $vtPgsize 0x$printk_addr 0x$ro_addr 0x$rw_addr $get_addr $get_size $put_addr $put_size 0x$kprobe_reg_addr 0x$kprobe_unreg_addr $vtKv $vtIBT $vtDebug"
-    $VTOY_PATH/tool/vtoykmod -f $VTOY_PATH/tool/$vtKoName $vtPgsize 0x$printk_addr 0x$ro_addr 0x$rw_addr $get_addr $get_size $put_addr $put_size 0x$kprobe_reg_addr 0x$kprobe_unreg_addr $vtKv $vtIBT $vtDebug
+    $VTOY_PATH/tool/vtoykmod -f $VTOY_PATH/tool/$vtKoName $vtPgsize 0x$printk_addr 0x$ro_addr 0x$rw_addr $get_addr $get_size $put_addr $put_size 0x$kprobe_reg_addr 0x$kprobe_unreg_addr $vtKv $vtIBT $vtDebug >>$VTLOG 2>&1
 
-    $BUSYBOX_PATH/insmod $VTOY_PATH/tool/$vtKoName
+    vtlog "insmod $VTOY_PATH/tool/$vtKoName"
+    $BUSYBOX_PATH/insmod $VTOY_PATH/tool/$vtKoName  >>$VTLOG 2>&1
     
     if $GREP -q 'dm_patch' /proc/modules; then
+        vtlog "dm_patch module OK"
         echo "done" > $VTOY_PATH/dm_patch_done
+    else
+        vtlog "dm_patch module FAILED"
     fi
     
 }