diff --git a/arch/src/x86_64/mod.rs b/arch/src/x86_64/mod.rs
index 669339b76..7a0bc0696 100644
--- a/arch/src/x86_64/mod.rs
+++ b/arch/src/x86_64/mod.rs
@@ -133,35 +133,35 @@ pub struct CpuidConfig {
 pub enum Error {
     /// Error writing MP table to memory.
     #[error("Error writing MP table to memory: {0}")]
-    MpTableSetup(mptable::Error),
+    MpTableSetup(#[source] mptable::Error),
 
     /// Error configuring the general purpose registers
     #[error("Error configuring the general purpose registers: {0}")]
-    RegsConfiguration(regs::Error),
+    RegsConfiguration(#[source] regs::Error),
 
     /// Error configuring the special registers
     #[error("Error configuring the special registers: {0}")]
-    SregsConfiguration(regs::Error),
+    SregsConfiguration(#[source] regs::Error),
 
     /// Error configuring the floating point related registers
     #[error("Error configuring the floating point related registers: {0}")]
-    FpuConfiguration(regs::Error),
+    FpuConfiguration(#[source] regs::Error),
 
     /// Error configuring the MSR registers
     #[error("Error configuring the MSR registers: {0}")]
-    MsrsConfiguration(regs::Error),
+    MsrsConfiguration(#[source] regs::Error),
 
     /// Failed to set supported CPUs.
     #[error("Failed to set supported CPUs: {0}")]
-    SetSupportedCpusFailed(anyhow::Error),
+    SetSupportedCpusFailed(#[source] anyhow::Error),
 
     /// Cannot set the local interruption due to bad configuration.
     #[error("Cannot set the local interruption due to bad configuration: {0}")]
-    LocalIntConfiguration(anyhow::Error),
+    LocalIntConfiguration(#[source] anyhow::Error),
 
     /// Error setting up SMBIOS table
     #[error("Error setting up SMBIOS table: {0}")]
-    SmbiosSetup(smbios::Error),
+    SmbiosSetup(#[source] smbios::Error),
 
     /// Could not find any SGX EPC section
     #[error("Could not find any SGX EPC section")]
@@ -177,15 +177,15 @@ pub enum Error {
 
     /// Error getting supported CPUID through the hypervisor (kvm/mshv) API
     #[error("Error getting supported CPUID through the hypervisor API: {0}")]
-    CpuidGetSupported(HypervisorError),
+    CpuidGetSupported(#[source] HypervisorError),
 
     /// Error populating CPUID with KVM HyperV emulation details
     #[error("Error populating CPUID with KVM HyperV emulation details: {0}")]
-    CpuidKvmHyperV(vmm_sys_util::fam::Error),
+    CpuidKvmHyperV(#[source] vmm_sys_util::fam::Error),
 
     /// Error populating CPUID with CPU identification
     #[error("Error populating CPUID with CPU identification: {0}")]
-    CpuidIdentification(vmm_sys_util::fam::Error),
+    CpuidIdentification(#[source] vmm_sys_util::fam::Error),
 
     /// Error checking CPUID compatibility
     #[error("Error checking CPUID compatibility")]
@@ -193,11 +193,11 @@ pub enum Error {
 
     // Error writing EBDA address
     #[error("Error writing EBDA address: {0}")]
-    EbdaSetup(vm_memory::GuestMemoryError),
+    EbdaSetup(#[source] vm_memory::GuestMemoryError),
 
     // Error getting CPU TSC frequency
     #[error("Error getting CPU TSC frequency: {0}")]
-    GetTscFrequency(HypervisorCpuError),
+    GetTscFrequency(#[source] HypervisorCpuError),
 
     /// Error retrieving TDX capabilities through the hypervisor (kvm/mshv) API
     #[cfg(feature = "tdx")]
diff --git a/arch/src/x86_64/mptable.rs b/arch/src/x86_64/mptable.rs
index 29517973f..406db7575 100644
--- a/arch/src/x86_64/mptable.rs
+++ b/arch/src/x86_64/mptable.rs
@@ -66,25 +66,25 @@ pub enum Error {
     TooManyCpus,
     /// Failure to write the MP floating pointer.
     #[error("Failure to write the MP floating pointer: {0}")]
-    WriteMpfIntel(GuestMemoryError),
+    WriteMpfIntel(#[source] GuestMemoryError),
     /// Failure to write MP CPU entry.
     #[error("Failure to write MP CPU entry: {0}")]
-    WriteMpcCpu(GuestMemoryError),
+    WriteMpcCpu(#[source] GuestMemoryError),
     /// Failure to write MP ioapic entry.
     #[error("Failure to write MP ioapic entry: {0}")]
-    WriteMpcIoapic(GuestMemoryError),
+    WriteMpcIoapic(#[source] GuestMemoryError),
     /// Failure to write MP bus entry.
     #[error("Failure to write MP bus entry: {0}")]
-    WriteMpcBus(GuestMemoryError),
+    WriteMpcBus(#[source] GuestMemoryError),
     /// Failure to write MP interrupt source entry.
     #[error("Failure to write MP interrupt source entry: {0}")]
-    WriteMpcIntsrc(GuestMemoryError),
+    WriteMpcIntsrc(#[source] GuestMemoryError),
     /// Failure to write MP local interrupt source entry.
     #[error("Failure to write MP local interrupt source entry: {0}")]
-    WriteMpcLintsrc(GuestMemoryError),
+    WriteMpcLintsrc(#[source] GuestMemoryError),
     /// Failure to write MP table header.
     #[error("Failure to write MP table header: {0}")]
-    WriteMpcTable(GuestMemoryError),
+    WriteMpcTable(#[source] GuestMemoryError),
 }
 
 pub type Result<T> = result::Result<T, Error>;
diff --git a/arch/src/x86_64/regs.rs b/arch/src/x86_64/regs.rs
index 0410cf437..c37d97e82 100644
--- a/arch/src/x86_64/regs.rs
+++ b/arch/src/x86_64/regs.rs
@@ -24,40 +24,40 @@ use crate::{EntryPoint, GuestMemoryMmap};
 pub enum Error {
     /// Failed to get SREGs for this CPU.
     #[error("Failed to get SREGs for this CPU: {0}")]
-    GetStatusRegisters(hypervisor::HypervisorCpuError),
+    GetStatusRegisters(#[source] hypervisor::HypervisorCpuError),
     /// Failed to set base registers for this CPU.
     #[error("Failed to set base registers for this CPU: {0}")]
-    SetBaseRegisters(hypervisor::HypervisorCpuError),
+    SetBaseRegisters(#[source] hypervisor::HypervisorCpuError),
     /// Failed to configure the FPU.
     #[error("Failed to configure the FPU: {0}")]
-    SetFpuRegisters(hypervisor::HypervisorCpuError),
+    SetFpuRegisters(#[source] hypervisor::HypervisorCpuError),
     /// Setting up MSRs failed.
     #[error("Setting up MSRs failed: {0}")]
-    SetModelSpecificRegisters(hypervisor::HypervisorCpuError),
+    SetModelSpecificRegisters(#[source] hypervisor::HypervisorCpuError),
     /// Failed to set SREGs for this CPU.
     #[error("Failed to set SREGs for this CPU: {0}")]
-    SetStatusRegisters(hypervisor::HypervisorCpuError),
+    SetStatusRegisters(#[source] hypervisor::HypervisorCpuError),
     /// Checking the GDT address failed.
     #[error("Checking the GDT address failed")]
     CheckGdtAddr,
     /// Writing the GDT to RAM failed.
     #[error("Writing the GDT to RAM failed: {0}")]
-    WriteGdt(GuestMemoryError),
+    WriteGdt(#[source] GuestMemoryError),
     /// Writing the IDT to RAM failed.
     #[error("Writing the IDT to RAM failed: {0}")]
-    WriteIdt(GuestMemoryError),
+    WriteIdt(#[source] GuestMemoryError),
     /// Writing PDPTE to RAM failed.
     #[error("Writing PDPTE to RAM failed: {0}")]
-    WritePdpteAddress(GuestMemoryError),
+    WritePdpteAddress(#[source] GuestMemoryError),
     /// Writing PDE to RAM failed.
     #[error("Writing PDE to RAM failed: {0}")]
-    WritePdeAddress(GuestMemoryError),
+    WritePdeAddress(#[source] GuestMemoryError),
     /// Writing PML4 to RAM failed.
     #[error("Writing PML4 to RAM failed: {0}")]
-    WritePml4Address(GuestMemoryError),
+    WritePml4Address(#[source] GuestMemoryError),
     /// Writing PML5 to RAM failed.
     #[error("Writing PML5 to RAM failed: {0}")]
-    WritePml5Address(GuestMemoryError),
+    WritePml5Address(#[source] GuestMemoryError),
 }
 
 pub type Result<T> = result::Result<T, Error>;
diff --git a/arch/src/x86_64/smbios.rs b/arch/src/x86_64/smbios.rs
index 367e89237..6488d6521 100644
--- a/arch/src/x86_64/smbios.rs
+++ b/arch/src/x86_64/smbios.rs
@@ -34,7 +34,7 @@ pub enum Error {
     WriteData,
     /// Failure to parse uuid, uuid format may be error
     #[error("Failure to parse uuid: {0}")]
-    ParseUuid(uuid::Error),
+    ParseUuid(#[source] uuid::Error),
 }
 
 pub type Result<T> = result::Result<T, Error>;