diff --git a/Cargo.lock b/Cargo.lock
index 920fb3c..eb4446f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,52 +2,38 @@
 # It is not intended for manual editing.
 version = 3
 
-[[package]]
-name = "atty"
-version = "0.2.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
-dependencies = [
- "hermit-abi",
- "libc",
- "winapi",
-]
-
-[[package]]
-name = "autocfg"
-version = "1.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
-
 [[package]]
 name = "bitflags"
 version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
+[[package]]
+name = "cc"
+version = "1.0.79"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "50d30906286121d95be3d479533b458f87493b30a4b5f79a607db8f5d11aa91f"
+
 [[package]]
 name = "clap"
-version = "3.0.0-beta.5"
+version = "4.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "feff3878564edb93745d58cf63e17b63f24142506e7a20c87a5521ed7bfb1d63"
+checksum = "f13b9c79b5d1dd500d20ef541215a6423c75829ef43117e1b4d17fd8af0b5d76"
 dependencies = [
- "atty",
  "bitflags",
  "clap_derive",
- "indexmap",
- "lazy_static",
- "os_str_bytes",
+ "clap_lex",
+ "is-terminal",
+ "once_cell",
  "strsim",
  "termcolor",
- "textwrap",
- "unicase",
 ]
 
 [[package]]
 name = "clap_derive"
-version = "3.0.0-beta.5"
+version = "4.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8b15c6b4f786ffb6192ffe65a36855bc1fc2444bcd0945ae16748dcd6ed7d0d3"
+checksum = "684a277d672e91966334af371f1a7b5833f9aa00b07c84e92fbce95e00208ce8"
 dependencies = [
  "heck",
  "proc-macro-error",
@@ -56,6 +42,15 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "clap_lex"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "783fe232adfca04f90f56201b26d79682d4cd2625e0bc7290b95123afe558ade"
+dependencies = [
+ "os_str_bytes",
+]
+
 [[package]]
 name = "epoll"
 version = "4.3.1"
@@ -67,80 +62,101 @@ dependencies = [
 ]
 
 [[package]]
-name = "hashbrown"
-version = "0.11.2"
+name = "errno"
+version = "0.2.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ab5ef0d4909ef3724cc8cce6ccc8572c5c817592e9285f5464f8e86f8bd3726e"
+checksum = "f639046355ee4f37944e44f60642c6f3a7efa3cf6b78c78a0d989a8ce6c396a1"
+dependencies = [
+ "errno-dragonfly",
+ "libc",
+ "winapi",
+]
 
 [[package]]
-name = "heck"
-version = "0.3.3"
+name = "errno-dragonfly"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6d621efb26863f0e9924c6ac577e8275e5e6b77455db64ffa6c65c904e9e132c"
+checksum = "aa68f1b12764fab894d2755d2518754e71b4fd80ecfb822714a1206c2aab39bf"
 dependencies = [
- "unicode-segmentation",
+ "cc",
+ "libc",
 ]
 
+[[package]]
+name = "heck"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
+
 [[package]]
 name = "hermit-abi"
-version = "0.1.19"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62b467343b94ba476dcb2500d242dadbb39557df889310ac77c5d99100aaac33"
+checksum = "fed44880c466736ef9a5c5b5facefb5ed0785676d0c02d612db14e54f0d84286"
+
+[[package]]
+name = "io-lifetimes"
+version = "1.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1abeb7a0dd0f8181267ff8adc397075586500b81b28a73e8a0208b00fc170fb3"
 dependencies = [
  "libc",
+ "windows-sys",
 ]
 
 [[package]]
-name = "indexmap"
-version = "1.7.0"
+name = "is-terminal"
+version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bc633605454125dec4b66843673f01c7df2b89479b32e0ed634e43a91cff62a5"
+checksum = "22e18b0a45d56fe973d6db23972bf5bc46f988a4a2385deac9cc29572f09daef"
 dependencies = [
- "autocfg",
- "hashbrown",
+ "hermit-abi",
+ "io-lifetimes",
+ "rustix",
+ "windows-sys",
 ]
 
 [[package]]
 name = "kvm-bindings"
-version = "0.5.0"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a78c049190826fff959994b7c1d8a2930d0a348f1b8f3aa4f9bb34cd5d7f2952"
+checksum = "efe70e65a5b092161d17f5005b66e5eefe7a94a70c332e755036fc4af78c4e79"
 dependencies = [
  "vmm-sys-util",
 ]
 
 [[package]]
 name = "kvm-ioctls"
-version = "0.11.0"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "97422ba48d7ffb66fd4d18130f72ab66f9bbbf791fb7a87b9291cdcfec437593"
+checksum = "b8f8dc9c1896e5f144ec5d07169bc29f39a047686d29585a91f30489abfaeb6b"
 dependencies = [
  "kvm-bindings",
  "libc",
  "vmm-sys-util",
 ]
 
-[[package]]
-name = "lazy_static"
-version = "1.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
-
 [[package]]
 name = "libc"
-version = "0.2.108"
+version = "0.2.139"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8521a1b57e76b1ec69af7599e75e38e7b7fad6610f037db8c79b127201b5d119"
+checksum = "201de327520df007757c1f0adce6e827fe8562fbc28bfd9c15571c66ca1f5f79"
 
 [[package]]
 name = "linux-loader"
-version = "0.4.0"
+version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8a5e77493808403a6bd56a301a64ea6b9342e36ea845044bf0dfdf56fe52fa08"
+checksum = "b9259ddbfbb52cc918f6bbc60390004ddd0228cf1d85f402009ff2b3d95de83f"
 dependencies = [
  "vm-memory",
 ]
 
+[[package]]
+name = "linux-raw-sys"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f051f77a7c8e6957c0696eac88f26b0117e54f52d3fc682ab19397a8812846a4"
+
 [[package]]
 name = "lumper"
 version = "0.1.0"
@@ -150,19 +166,16 @@ dependencies = [
 ]
 
 [[package]]
-name = "memchr"
-version = "2.4.1"
+name = "once_cell"
+version = "1.17.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "308cc39be01b73d0d18f82a0e7b2a3df85245f84af96fdddc5d202d27e47b86a"
+checksum = "b7e5500299e16ebb147ae15a00a942af264cf3688f47923b8fc2cd5858f23ad3"
 
 [[package]]
 name = "os_str_bytes"
-version = "4.2.0"
+version = "6.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "addaa943333a514159c80c97ff4a93306530d965d27e139188283cd13e06a799"
-dependencies = [
- "memchr",
-]
+checksum = "9b7820b9daea5457c9f21c69448905d723fbd21136ccf521748f23fd49e723ee"
 
 [[package]]
 name = "proc-macro-error"
@@ -190,22 +203,36 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.32"
+version = "1.0.51"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba508cc11742c0dc5c1659771673afbab7a0efab23aa17e854cbab0837ed0b43"
+checksum = "5d727cae5b39d21da60fa540906919ad737832fe0b1c165da3a34d6548c849d6"
 dependencies = [
- "unicode-xid",
+ "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.10"
+version = "1.0.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "38bc8cc6a5f2e3655e0899c1b848643b2562f853f114bfec7be120678e3ace05"
+checksum = "8856d8364d252a14d474036ea1358d63c9e6965c8e5c1885c18f73d70bff9c7b"
 dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "rustix"
+version = "0.36.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f43abb88211988493c1abb44a70efa56ff0ce98f233b7b276146f1f3f7ba9644"
+dependencies = [
+ "bitflags",
+ "errno",
+ "io-lifetimes",
+ "libc",
+ "linux-raw-sys",
+ "windows-sys",
+]
+
 [[package]]
 name = "strsim"
 version = "0.10.0"
@@ -214,13 +241,13 @@ checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
 
 [[package]]
 name = "syn"
-version = "1.0.82"
+version = "1.0.107"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8daf5dd0bb60cbd4137b1b587d2fc0ae729bc07cf01cd70b36a1ed5ade3b9d59"
+checksum = "1f4064b5b16e03ae50984a5a8ed5d4f8803e6bc1fd170a3cda91a1be4b18e3f5"
 dependencies = [
  "proc-macro2",
  "quote",
- "unicode-xid",
+ "unicode-ident",
 ]
 
 [[package]]
@@ -233,46 +260,16 @@ dependencies = [
 ]
 
 [[package]]
-name = "textwrap"
-version = "0.14.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0066c8d12af8b5acd21e00547c3797fde4e8677254a7ee429176ccebbe93dd80"
-dependencies = [
- "unicode-width",
-]
-
-[[package]]
-name = "unicase"
-version = "2.6.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "50f37be617794602aabbeee0be4f259dc1778fabe05e2d67ee8f79326d5cb4f6"
-dependencies = [
- "version_check",
-]
-
-[[package]]
-name = "unicode-segmentation"
-version = "1.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8895849a949e7845e06bd6dc1aa51731a103c42707010a5b591c0038fb73385b"
-
-[[package]]
-name = "unicode-width"
-version = "0.1.9"
+name = "unicode-ident"
+version = "1.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3ed742d4ea2bd1176e236172c8429aaf54486e7ac098db29ffe6529e0ce50973"
-
-[[package]]
-name = "unicode-xid"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8ccb82d61f80a663efe1f787a51b16b5a51e3314d6ac365b08639f52387b33f3"
+checksum = "84a22b9f218b40614adcb3f4ff08b703773ad44fa9423e4e0d346d5db86e4ebc"
 
 [[package]]
 name = "version_check"
-version = "0.9.3"
+version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5fecdca9a5291cc2b8dcf7dc02453fee791a280f3743cb0905f8822ae463b3fe"
+checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
 [[package]]
 name = "vm-device"
@@ -281,9 +278,9 @@ source = "git+https://github.com/rust-vmm/vm-device?rev=5847f12#5847f1286492b719
 
 [[package]]
 name = "vm-memory"
-version = "0.7.0"
+version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "339d4349c126fdcd87e034631d7274370cf19eb0e87b33166bcd956589fc72c5"
+checksum = "688a70366615b45575a424d9c665561c1b5ab2224d494f706b6a6812911a827c"
 dependencies = [
  "libc",
  "winapi",
@@ -291,13 +288,13 @@ dependencies = [
 
 [[package]]
 name = "vm-superio"
-version = "0.4.0"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3be26a7083513b8302a0053a93f03592ec8875803ff312e0bd3a373e1bee4cfd"
+checksum = "6de3dc0146d78558327419fac388850fc6cbf197e924c4659a4863db20b5af64"
 
 [[package]]
 name = "vmm"
-version = "0.1.0"
+version = "0.1.1"
 dependencies = [
  "epoll",
  "kvm-bindings",
@@ -312,9 +309,9 @@ dependencies = [
 
 [[package]]
 name = "vmm-sys-util"
-version = "0.9.0"
+version = "0.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "733537bded03aaa93543f785ae997727b30d1d9f4a03b7861d23290474242e11"
+checksum = "dd64fe09d8e880e600c324e7d664760a17f56e9672b7495a86381b49e4f72f46"
 dependencies = [
  "bitflags",
  "libc",
@@ -350,3 +347,69 @@ name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
+
+[[package]]
+name = "windows-sys"
+version = "0.45.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "75283be5efb2831d37ea142365f009c02ec203cd29a3ebecbc093d52315b66d0"
+dependencies = [
+ "windows-targets",
+]
+
+[[package]]
+name = "windows-targets"
+version = "0.42.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e2522491fbfcd58cc84d47aeb2958948c4b8982e9a2d8a2a35bbaed431390e7"
+dependencies = [
+ "windows_aarch64_gnullvm",
+ "windows_aarch64_msvc",
+ "windows_i686_gnu",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc",
+]
+
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.42.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8c9864e83243fdec7fc9c5444389dcbbfd258f745e7853198f365e3c4968a608"
+
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.42.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4c8b1b673ffc16c47a9ff48570a9d85e25d265735c503681332589af6253c6c7"
+
+[[package]]
+name = "windows_i686_gnu"
+version = "0.42.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "de3887528ad530ba7bdbb1faa8275ec7a1155a45ffa57c37993960277145d640"
+
+[[package]]
+name = "windows_i686_msvc"
+version = "0.42.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bf4d1122317eddd6ff351aa852118a2418ad4214e6613a50e0191f7004372605"
+
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.42.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c1040f221285e17ebccbc2591ffdc2d44ee1f9186324dd3e84e99ac68d699c45"
+
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.42.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "628bfdf232daa22b0d64fdb62b09fcc36bb01f05a3939e20ab73aaf9470d0463"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.42.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "447660ad36a13288b1db4d4248e857b510e8c3a225c822ba4fb748c0aafecffd"
diff --git a/Cargo.toml b/Cargo.toml
index f3e0993..a60ffb3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,5 +4,5 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-clap = "3.0.0-beta.5"
+clap = {version = "4.1.4", features = ["derive"]}
 vmm = { path = "src/vmm" }
\ No newline at end of file
diff --git a/src/main.rs b/src/main.rs
index a82fa8c..f9eeca0 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -19,12 +19,12 @@ struct VMMOpts {
     memory: u32,
 
     /// A level of verbosity, and can be used multiple times
-    #[clap(short, long, parse(from_occurrences))]
-    verbose: i32,
+    #[clap(short, long, action=clap::ArgAction::Count )]
+    verbose: u8,
 
     /// Stdout console file path
     #[clap(long)]
-    console: Option<String>
+    console: Option<String>,
 }
 
 #[derive(Debug)]
diff --git a/src/vmm/Cargo.lock b/src/vmm/Cargo.lock
index bc2c0eb..04178bf 100644
--- a/src/vmm/Cargo.lock
+++ b/src/vmm/Cargo.lock
@@ -20,18 +20,18 @@ dependencies = [
 
 [[package]]
 name = "kvm-bindings"
-version = "0.5.0"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a78c049190826fff959994b7c1d8a2930d0a348f1b8f3aa4f9bb34cd5d7f2952"
+checksum = "efe70e65a5b092161d17f5005b66e5eefe7a94a70c332e755036fc4af78c4e79"
 dependencies = [
  "vmm-sys-util",
 ]
 
 [[package]]
 name = "kvm-ioctls"
-version = "0.11.0"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "97422ba48d7ffb66fd4d18130f72ab66f9bbbf791fb7a87b9291cdcfec437593"
+checksum = "b8f8dc9c1896e5f144ec5d07169bc29f39a047686d29585a91f30489abfaeb6b"
 dependencies = [
  "kvm-bindings",
  "libc",
@@ -46,9 +46,9 @@ checksum = "8521a1b57e76b1ec69af7599e75e38e7b7fad6610f037db8c79b127201b5d119"
 
 [[package]]
 name = "linux-loader"
-version = "0.4.0"
+version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8a5e77493808403a6bd56a301a64ea6b9342e36ea845044bf0dfdf56fe52fa08"
+checksum = "b9259ddbfbb52cc918f6bbc60390004ddd0228cf1d85f402009ff2b3d95de83f"
 dependencies = [
  "vm-memory",
 ]
@@ -60,9 +60,9 @@ source = "git+https://github.com/rust-vmm/vm-device?rev=5847f12#5847f1286492b719
 
 [[package]]
 name = "vm-memory"
-version = "0.7.0"
+version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "339d4349c126fdcd87e034631d7274370cf19eb0e87b33166bcd956589fc72c5"
+checksum = "688a70366615b45575a424d9c665561c1b5ab2224d494f706b6a6812911a827c"
 dependencies = [
  "libc",
  "winapi",
@@ -70,13 +70,13 @@ dependencies = [
 
 [[package]]
 name = "vm-superio"
-version = "0.4.0"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3be26a7083513b8302a0053a93f03592ec8875803ff312e0bd3a373e1bee4cfd"
+checksum = "6de3dc0146d78558327419fac388850fc6cbf197e924c4659a4863db20b5af64"
 
 [[package]]
 name = "vmm"
-version = "0.1.0"
+version = "0.1.1"
 dependencies = [
  "epoll",
  "kvm-bindings",
@@ -91,9 +91,9 @@ dependencies = [
 
 [[package]]
 name = "vmm-sys-util"
-version = "0.9.0"
+version = "0.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "733537bded03aaa93543f785ae997727b30d1d9f4a03b7861d23290474242e11"
+checksum = "dd64fe09d8e880e600c324e7d664760a17f56e9672b7495a86381b49e4f72f46"
 dependencies = [
  "bitflags",
  "libc",
diff --git a/src/vmm/Cargo.toml b/src/vmm/Cargo.toml
index 502ea50..54c5c37 100644
--- a/src/vmm/Cargo.toml
+++ b/src/vmm/Cargo.toml
@@ -1,20 +1,20 @@
 [package]
 name = "vmm"
-version = "0.1.0"
-edition = "2018"
+version = "0.1.1"
+edition = "2021"
 
 [dependencies]
 epoll = "4.3.1"
-kvm-bindings = { version = "0.5.0", features = ["fam-wrappers"] }
-kvm-ioctls = "0.11.0"
+kvm-bindings = { version = "0.6.0", features = ["fam-wrappers"] }
+kvm-ioctls = "0.13.0"
 libc = "0.2.91"
-linux-loader = { version = "0.4.0", features = ["bzimage", "elf"] }
-vm-memory = { version = "0.7.0", features = ["backend-mmap"] }
-vmm-sys-util = "0.9.0"
+linux-loader = { version = "0.8.1", features = ["bzimage", "elf"] }
+vm-memory = { version = "0.10.0", features = ["backend-mmap"] }
+vmm-sys-util = "0.11.1"
 
 # vm-device is not yet published on crates.io.
 # To make sure that breaking changes to vm-device are not breaking the
 # vm-vcpu build, we're using a fixed revision.
 vm-device = { git = "https://github.com/rust-vmm/vm-device", rev = "5847f12" }
 
-vm-superio = "0.4.0"
+vm-superio = "0.7.0"
diff --git a/src/vmm/src/kernel.rs b/src/vmm/src/kernel.rs
index b523fad..bf094d1 100644
--- a/src/vmm/src/kernel.rs
+++ b/src/vmm/src/kernel.rs
@@ -130,7 +130,8 @@ pub fn kernel_setup(
     bootparams.hdr.cmdline_size = CMDLINE.len() as u32 + 1;
 
     // Load the kernel command line into guest memory.
-    let mut cmdline = Cmdline::new(CMDLINE.len() + 1);
+    let mut cmdline = Cmdline::new(CMDLINE.len() + 1).map_err(Error::Cmdline)?;
+
     cmdline.insert_str(CMDLINE).map_err(Error::Cmdline)?;
     load_cmdline(
         guest_memory,
diff --git a/src/vmm/src/lib.rs b/src/vmm/src/lib.rs
index 160dd2f..82efe8e 100644
--- a/src/vmm/src/lib.rs
+++ b/src/vmm/src/lib.rs
@@ -8,13 +8,13 @@ extern crate linux_loader;
 extern crate vm_memory;
 extern crate vm_superio;
 
+use std::fs::File;
 use std::io::stdout;
 use std::os::unix::io::AsRawFd;
 use std::os::unix::prelude::RawFd;
 use std::sync::{Arc, Mutex};
 use std::thread;
 use std::{io, path::PathBuf};
-use std::fs::File;
 
 use kvm_bindings::{kvm_userspace_memory_region, KVM_MAX_CPUID_ENTRIES};
 use kvm_ioctls::{Kvm, VmFd};
@@ -30,6 +30,13 @@ mod epoll_context;
 use epoll_context::{EpollContext, EPOLL_EVENTS_LEN};
 mod kernel;
 
+/// End the mmio gap at the last 32-bit address
+const MMIO_GAP_END: usize = 1 << 32;
+/// Size of the MMIO gap
+const MMIO_GAP_SIZE: usize = 32 << 20;
+/// Start of the MMIO gap
+const MMIO_GAP_START: usize = MMIO_GAP_END - MMIO_GAP_SIZE;
+
 #[derive(Debug)]
 
 /// VMM errors.
@@ -112,8 +119,19 @@ impl VMM {
         // Convert memory size from MBytes to bytes.
         let mem_size = ((mem_size_mb as u64) << 20) as usize;
 
-        // Create one single memory region, from zero to mem_size.
-        let mem_regions = vec![(GuestAddress(0), mem_size)];
+        // Check if the memory is overlapping with the MMIO gap.
+        // If it is, split the memory into two regions.
+
+        let mem_regions = if mem_size < MMIO_GAP_START {
+            vec![(GuestAddress(0), mem_size)]
+        } else {
+            vec![
+                (GuestAddress(0), MMIO_GAP_START),
+                (GuestAddress(MMIO_GAP_END as u64), mem_size - MMIO_GAP_END),
+            ]
+        };
+
+        let mem_regions = vec![(GuestAddress(0), MMIO_GAP_START)];
 
         // Allocate the guest memory from the memory region.
         let guest_memory = GuestMemoryMmap::from_ranges(&mem_regions).map_err(Error::Memory)?;
@@ -164,10 +182,7 @@ impl VMM {
         Ok(())
     }
 
-    pub fn configure_console(
-        &mut self,
-        console_path: Option<String>
-    ) -> Result<()> {
+    pub fn configure_console(&mut self, console_path: Option<String>) -> Result<()> {
         if let Some(console_path) = console_path {
             // We create the file if it does not exist, else we open
             let file = File::create(&console_path).map_err(Error::ConsoleError)?;
@@ -266,7 +281,13 @@ impl VMM {
         }
     }
 
-    pub fn configure(&mut self, num_vcpus: u8, mem_size_mb: u32, kernel_path: &str, console: Option<String>) -> Result<()> {
+    pub fn configure(
+        &mut self,
+        num_vcpus: u8,
+        mem_size_mb: u32,
+        kernel_path: &str,
+        console: Option<String>,
+    ) -> Result<()> {
         self.configure_console(console)?;
         self.configure_memory(mem_size_mb)?;
         let kernel_load = kernel::kernel_setup(&self.guest_memory, PathBuf::from(kernel_path))?;