diff --git a/Cargo.lock b/Cargo.lock
index 7ebb3a825bb..dca1bd5f5d4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1722,7 +1722,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "117725a109d387c937a1533ce01b450cbde6b88abceea8473c4d7a85853cda3c"
 dependencies = [
  "lazy_static",
- "windows-sys 0.59.0",
+ "windows-sys 0.48.0",
 ]
 
 [[package]]
@@ -3881,7 +3881,7 @@ dependencies = [
 [[package]]
 name = "gateway-ereport-messages"
 version = "0.1.0"
-source = "git+https://github.com/oxidecomputer/management-gateway-service?rev=669fe557b66f44aed3c622bd17bc092f08797e0c#669fe557b66f44aed3c622bd17bc092f08797e0c"
+source = "git+https://github.com/oxidecomputer/management-gateway-service?rev=ea2f39ccdea124b5affcad0ca17bc5dacf65823a#ea2f39ccdea124b5affcad0ca17bc5dacf65823a"
 dependencies = [
  "serde",
  "zerocopy 0.8.27",
@@ -3890,7 +3890,7 @@ dependencies = [
 [[package]]
 name = "gateway-messages"
 version = "0.1.0"
-source = "git+https://github.com/oxidecomputer/management-gateway-service?rev=669fe557b66f44aed3c622bd17bc092f08797e0c#669fe557b66f44aed3c622bd17bc092f08797e0c"
+source = "git+https://github.com/oxidecomputer/management-gateway-service?rev=ea2f39ccdea124b5affcad0ca17bc5dacf65823a#ea2f39ccdea124b5affcad0ca17bc5dacf65823a"
 dependencies = [
  "bitflags 2.9.4",
  "hubpack",
@@ -3908,7 +3908,7 @@ dependencies = [
 [[package]]
 name = "gateway-sp-comms"
 version = "0.1.1"
-source = "git+https://github.com/oxidecomputer/management-gateway-service?rev=669fe557b66f44aed3c622bd17bc092f08797e0c#669fe557b66f44aed3c622bd17bc092f08797e0c"
+source = "git+https://github.com/oxidecomputer/management-gateway-service?rev=ea2f39ccdea124b5affcad0ca17bc5dacf65823a#ea2f39ccdea124b5affcad0ca17bc5dacf65823a"
 dependencies = [
  "async-trait",
  "backoff",
@@ -3919,7 +3919,7 @@ dependencies = [
  "gateway-messages",
  "hex",
  "hubpack",
- "hubtools 0.4.6",
+ "hubtools 0.4.7",
  "lru-cache",
  "lzss",
  "nix 0.27.1",
@@ -3932,7 +3932,7 @@ dependencies = [
  "serde_json",
  "slog",
  "slog-error-chain",
- "socket2 0.6.0",
+ "socket2 0.6.1",
  "string_cache",
  "thiserror 2.0.17",
  "tlvc 0.3.1 (git+https://github.com/oxidecomputer/tlvc.git?branch=main)",
@@ -4865,7 +4865,7 @@ dependencies = [
  "libc",
  "percent-encoding",
  "pin-project-lite",
- "socket2 0.6.0",
+ "socket2 0.5.10",
  "system-configuration",
  "tokio",
  "tower-service",
@@ -5467,17 +5467,6 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fc6d6206008e25125b1f97fbe5d309eb7b85141cf9199d52dbd3729a1584dd16"
 
-[[package]]
-name = "io-uring"
-version = "0.7.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d93587f37623a1a17d94ef2bc9ada592f5465fe7732084ab7beefabe5c77c0c4"
-dependencies = [
- "bitflags 2.9.4",
- "cfg-if",
- "libc",
-]
-
 [[package]]
 name = "ipcc"
 version = "0.1.0"
@@ -5884,7 +5873,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4979f22fdb869068da03c9f7528f8297c6fd2606bc3a4affe42e6a823fdb8da4"
 dependencies = [
  "cfg-if",
- "windows-targets 0.52.6",
+ "windows-targets 0.48.5",
 ]
 
 [[package]]
@@ -13352,12 +13341,12 @@ dependencies = [
 
 [[package]]
 name = "socket2"
-version = "0.6.0"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "233504af464074f9d066d7b5416c5f9b894a5862a6506e306f7b816cdd6f1807"
+checksum = "17129e116933cf371d018bb80ae557e889637989d8638274fb25622827b03881"
 dependencies = [
  "libc",
- "windows-sys 0.59.0",
+ "windows-sys 0.60.2",
 ]
 
 [[package]]
@@ -14321,22 +14310,19 @@ dependencies = [
 
 [[package]]
 name = "tokio"
-version = "1.47.0"
+version = "1.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "43864ed400b6043a4757a25c7a64a8efde741aed79a056a2fb348a406701bb35"
+checksum = "ff360e02eab121e0bc37a2d3b4d4dc622e6eda3a8e5253d5435ecf5bd4c68408"
 dependencies = [
- "backtrace",
  "bytes",
- "io-uring",
  "libc",
  "mio",
  "parking_lot 0.12.3",
  "pin-project-lite",
  "signal-hook-registry",
- "slab",
- "socket2 0.6.0",
+ "socket2 0.6.1",
  "tokio-macros",
- "windows-sys 0.59.0",
+ "windows-sys 0.61.1",
 ]
 
 [[package]]
@@ -14352,9 +14338,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-macros"
-version = "2.5.0"
+version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6e06d43f1345a3bcd39f6a56dbb7dcab2ba47e68e8ac134855e7e2bdbaf8cab8"
+checksum = "af407857209536a95c8e56f8231ef2c2e2aff839b22e07a1ffcbc617e9db9fa5"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -16230,7 +16216,7 @@ version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cf221c93e13a30d793f7645a0e7762c55d169dbb0a49671918a2319d289b10bb"
 dependencies = [
- "windows-sys 0.59.0",
+ "windows-sys 0.48.0",
 ]
 
 [[package]]
@@ -16399,6 +16385,15 @@ dependencies = [
  "windows-targets 0.53.2",
 ]
 
+[[package]]
+name = "windows-sys"
+version = "0.61.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6f109e41dd4a3c848907eb83d5a42ea98b3769495597450cf6d153507b166f0f"
+dependencies = [
+ "windows-link 0.2.0",
+]
+
 [[package]]
 name = "windows-targets"
 version = "0.48.5"
diff --git a/Cargo.toml b/Cargo.toml
index 196c399a812..130099f91dd 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -467,9 +467,9 @@ gateway-client = { path = "clients/gateway-client" }
 # compatibility, but will mean that faux-mgs might be missing new
 # functionality.)
 #
-gateway-ereport-messages = { git = "https://github.com/oxidecomputer/management-gateway-service", rev = "669fe557b66f44aed3c622bd17bc092f08797e0c", default-features = false, features = ["debug-impls"] }
-gateway-messages = { git = "https://github.com/oxidecomputer/management-gateway-service", rev = "669fe557b66f44aed3c622bd17bc092f08797e0c", default-features = false, features = ["std"] }
-gateway-sp-comms = { git = "https://github.com/oxidecomputer/management-gateway-service", rev = "669fe557b66f44aed3c622bd17bc092f08797e0c" }
+gateway-ereport-messages = { git = "https://github.com/oxidecomputer/management-gateway-service", rev = "ea2f39ccdea124b5affcad0ca17bc5dacf65823a", default-features = false, features = ["debug-impls"] }
+gateway-messages = { git = "https://github.com/oxidecomputer/management-gateway-service", rev = "ea2f39ccdea124b5affcad0ca17bc5dacf65823a", default-features = false, features = ["std"] }
+gateway-sp-comms = { git = "https://github.com/oxidecomputer/management-gateway-service", rev = "ea2f39ccdea124b5affcad0ca17bc5dacf65823a" }
 gateway-test-utils = { path = "gateway-test-utils" }
 gateway-types = { path = "gateway-types" }
 gethostname = "0.5.0"
diff --git a/package-manifest.toml b/package-manifest.toml
index 3675aecea51..8e8313c9c1b 100644
--- a/package-manifest.toml
+++ b/package-manifest.toml
@@ -576,8 +576,8 @@ source.type = "prebuilt"
 source.repo = "management-gateway-service"
 # In general, this commit should match the pinned revision of `gateway-sp-comms`
 # in `Cargo.toml`.
-source.commit = "669fe557b66f44aed3c622bd17bc092f08797e0c"
-source.sha256 = "a32b40a0581bab2d90f6f691ef17fcfb1c5925798afb7f8ab86e6ece168e637d"
+source.commit = "ea2f39ccdea124b5affcad0ca17bc5dacf65823a"
+source.sha256 = "922a5eb2d800e7248f8a8f2a34ce855451e46877022e0305dac2f5f956456573"
 output.type = "zone"
 output.intermediate_only = true
 
diff --git a/sp-sim/src/sidecar.rs b/sp-sim/src/sidecar.rs
index 828049b8807..ac21ca47f61 100644
--- a/sp-sim/src/sidecar.rs
+++ b/sp-sim/src/sidecar.rs
@@ -1449,6 +1449,9 @@ impl FakeIgnition {
             IgnitionCommand::PowerOff => {
                 target.power_state = ignition::SystemPowerState::Off;
             }
+            IgnitionCommand::AlwaysTransmit { .. } => {
+                // This is only used in manufacturing; do nothing.
+            }
         }
 
         Ok(())
diff --git a/workspace-hack/Cargo.toml b/workspace-hack/Cargo.toml
index c2078910501..8a1c496e35e 100644
--- a/workspace-hack/Cargo.toml
+++ b/workspace-hack/Cargo.toml
@@ -60,8 +60,8 @@ futures-io = { version = "0.3.31" }
 futures-sink = { version = "0.3.31" }
 futures-task = { version = "0.3.31", default-features = false, features = ["std"] }
 futures-util = { version = "0.3.31", features = ["channel", "io", "sink"] }
-gateway-ereport-messages = { git = "https://github.com/oxidecomputer/management-gateway-service", rev = "669fe557b66f44aed3c622bd17bc092f08797e0c", default-features = false, features = ["debug-impls", "serde"] }
-gateway-messages = { git = "https://github.com/oxidecomputer/management-gateway-service", rev = "669fe557b66f44aed3c622bd17bc092f08797e0c", features = ["std"] }
+gateway-ereport-messages = { git = "https://github.com/oxidecomputer/management-gateway-service", rev = "ea2f39ccdea124b5affcad0ca17bc5dacf65823a", default-features = false, features = ["debug-impls", "serde"] }
+gateway-messages = { git = "https://github.com/oxidecomputer/management-gateway-service", rev = "ea2f39ccdea124b5affcad0ca17bc5dacf65823a", features = ["std"] }
 generic-array = { version = "0.14.7", default-features = false, features = ["more_lengths", "zeroize"] }
 getrandom-6f8ce4dd05d13bba = { package = "getrandom", version = "0.2.15", default-features = false, features = ["js", "rdrand", "std"] }
 group = { version = "0.13.0", default-features = false, features = ["alloc"] }
@@ -135,7 +135,7 @@ strum-754bda37e0fb3874 = { package = "strum", version = "0.27.2", features = ["d
 subtle = { version = "2.6.1" }
 syn-f595c2ba2a3f28df = { package = "syn", version = "2.0.106", features = ["extra-traits", "fold", "full", "visit", "visit-mut"] }
 time = { version = "0.3.43", features = ["formatting", "local-offset", "macros", "parsing"] }
-tokio = { version = "1.47.0", features = ["full", "test-util"] }
+tokio = { version = "1.48.0", features = ["full", "test-util"] }
 tokio-postgres = { version = "0.7.13", features = ["with-chrono-0_4", "with-serde_json-1", "with-uuid-1"] }
 tokio-rustls = { version = "0.26.0", default-features = false, features = ["logging", "ring", "tls12"] }
 tokio-stream = { version = "0.1.17", features = ["net", "sync"] }
@@ -201,8 +201,8 @@ futures-io = { version = "0.3.31" }
 futures-sink = { version = "0.3.31" }
 futures-task = { version = "0.3.31", default-features = false, features = ["std"] }
 futures-util = { version = "0.3.31", features = ["channel", "io", "sink"] }
-gateway-ereport-messages = { git = "https://github.com/oxidecomputer/management-gateway-service", rev = "669fe557b66f44aed3c622bd17bc092f08797e0c", default-features = false, features = ["debug-impls", "serde"] }
-gateway-messages = { git = "https://github.com/oxidecomputer/management-gateway-service", rev = "669fe557b66f44aed3c622bd17bc092f08797e0c", features = ["std"] }
+gateway-ereport-messages = { git = "https://github.com/oxidecomputer/management-gateway-service", rev = "ea2f39ccdea124b5affcad0ca17bc5dacf65823a", default-features = false, features = ["debug-impls", "serde"] }
+gateway-messages = { git = "https://github.com/oxidecomputer/management-gateway-service", rev = "ea2f39ccdea124b5affcad0ca17bc5dacf65823a", features = ["std"] }
 generic-array = { version = "0.14.7", default-features = false, features = ["more_lengths", "zeroize"] }
 getrandom-6f8ce4dd05d13bba = { package = "getrandom", version = "0.2.15", default-features = false, features = ["js", "rdrand", "std"] }
 group = { version = "0.13.0", default-features = false, features = ["alloc"] }
@@ -278,7 +278,7 @@ syn-dff4ba8e3ae991db = { package = "syn", version = "1.0.109", features = ["extr
 syn-f595c2ba2a3f28df = { package = "syn", version = "2.0.106", features = ["extra-traits", "fold", "full", "visit", "visit-mut"] }
 time = { version = "0.3.43", features = ["formatting", "local-offset", "macros", "parsing"] }
 time-macros = { version = "0.2.24", default-features = false, features = ["formatting", "parsing"] }
-tokio = { version = "1.47.0", features = ["full", "test-util"] }
+tokio = { version = "1.48.0", features = ["full", "test-util"] }
 tokio-postgres = { version = "0.7.13", features = ["with-chrono-0_4", "with-serde_json-1", "with-uuid-1"] }
 tokio-rustls = { version = "0.26.0", default-features = false, features = ["logging", "ring", "tls12"] }
 tokio-stream = { version = "0.1.17", features = ["net", "sync"] }