basalt-26.3: roachtest: tpcc/headroom/n4cpu16/binary=basalt/storage=basalt/basalt_nodes=3/rsengine=disabled failed

roachtest.tpcc/headroom/n4cpu16/binary=basalt/storage=basalt/basalt_nodes=3/rsengine=disabled [failed](https://teamcity.cockroachdb.com/buildConfiguration/Cockroach_Nightlies_Roachtests_RoachtestNightlyBenchmarksAwsBasaltBazel/21516296?buildTab=log) with [artifacts](https://teamcity.cockroachdb.com/buildConfiguration/Cockroach_Nightlies_Roachtests_RoachtestNightlyBenchmarksAwsBasaltBazel/21516296?buildTab=artifacts#/tpcc/headroom/n4cpu16/binary=basalt/storage=basalt/basalt_nodes=3/rsengine=disabled) on basalt-26.3 @ [2327de0124eca58e8ea82a577a805766789a48e5](https://github.com/cockroachdb/cockroach/commits/2327de0124eca58e8ea82a577a805766789a48e5):

Failed with:

```
(cluster.go:4230).Start: COMMAND_PROBLEM: exit status 1
test artifacts and logs in: /artifacts/tpcc/headroom/n4cpu16/binary=basalt/storage=basalt/basalt_nodes=3/rsengine=disabled/run_1
```
Fatal entries found in Cockroach logs:

```
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 ⋮ [n?,s?,pebble] 8 MANIFEST flush failed: version 0: unsupported protocol version
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 ⋮ [n?,s?,pebble] 8 !goroutine 97 [running]:
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 ⋮ [n?,s?,pebble] 8 !github.com/cockroachdb/cockroach/pkg/util/allstacks.GetWithBuf({0x0?, 0x1dde239c9798?, 0xd6afcb?})
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 ⋮ [n?,s?,pebble] 8 ! pkg/util/allstacks/allstacks.go:38 +0x125
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 ⋮ [n?,s?,pebble] 8 !github.com/cockroachdb/cockroach/pkg/util/allstacks.Get(...)
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 ⋮ [n?,s?,pebble] 8 ! pkg/util/allstacks/allstacks.go:19
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 ⋮ [n?,s?,pebble] 8 !github.com/cockroachdb/cockroach/pkg/util/log.(*loggerT).outputLogEntry(_, {{{0x0, 0x0}, {0x0, 0x0}, {0x0, 0x0}, {0x0, 0x0}, {0x0, ...}}, ...})
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 ⋮ [n?,s?,pebble] 8 ! pkg/util/log/clog.go:294 +0xc6
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 ⋮ [n?,s?,pebble] 8 !github.com/cockroachdb/cockroach/pkg/util/log.logfDepthInternal({0x86e51c8, 0x1dde23ab83c0}, 0x3, 0x4, 0x3, 0x0?, {0x8630d28, 0x2}, {0x1dde1993cea0, 0x1, ...})
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 ⋮ [n?,s?,pebble] 8 ! pkg/util/log/channels.go:104 +0x650
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 ⋮ [n?,s?,pebble] 8 MANIFEST flush failed: version 0: unsupported protocol version
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 ⋮ [n?,s?,pebble] 8 !goroutine 97 [running]:
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 ⋮ [n?,s?,pebble] 8 !github.com/cockroachdb/cockroach/pkg/util/allstacks.GetWithBuf({0x0?, 0x1dde239c9798?, 0xd6afcb?})
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 ⋮ [n?,s?,pebble] 8 ! pkg/util/allstacks/allstacks.go:38 +0x125
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 ⋮ [n?,s?,pebble] 8 !github.com/cockroachdb/cockroach/pkg/util/allstacks.Get(...)
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 ⋮ [n?,s?,pebble] 8 ! pkg/util/allstacks/allstacks.go:19
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 ⋮ [n?,s?,pebble] 8 !github.com/cockroachdb/cockroach/pkg/util/log.(*loggerT).outputLogEntry(_, {{{0x0, 0x0}, {0x0, 0x0}, {0x0, 0x0}, {0x0, 0x0}, {0x0, ...}}, ...})
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 ⋮ [n?,s?,pebble] 8 ! pkg/util/log/clog.go:294 +0xc6
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 ⋮ [n?,s?,pebble] 8 !github.com/cockroachdb/cockroach/pkg/util/log.logfDepthInternal({0x86e51c8, 0x1dde23ab83c0}, 0x3, 0x4, 0x3, 0x0?, {0x8630d28, 0x2}, {0x1dde1993cea0, 0x1, ...})
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 ⋮ [n?,s?,pebble] 8 ! pkg/util/log/channels.go:104 +0x650
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 ⋮ [n?,s?,pebble] 25 MANIFEST flush failed: version 0: unsupported protocol version
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 ⋮ [n?,s?,pebble] 25 !goroutine 97 [running]:
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 ⋮ [n?,s?,pebble] 25 !github.com/cockroachdb/cockroach/pkg/util/allstacks.GetWithBuf({0x0?, 0x1dde239c9798?, 0xd6afcb?})
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 ⋮ [n?,s?,pebble] 25 ! pkg/util/allstacks/allstacks.go:38 +0x125
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 ⋮ [n?,s?,pebble] 25 !github.com/cockroachdb/cockroach/pkg/util/allstacks.Get(...)
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 ⋮ [n?,s?,pebble] 25 ! pkg/util/allstacks/allstacks.go:19
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 ⋮ [n?,s?,pebble] 25 !github.com/cockroachdb/cockroach/pkg/util/log.(*loggerT).outputLogEntry(_, {{{0x0, 0x0}, {0x0, 0x0}, {0x0, 0x0}, {0x0, 0x0}, {0x0, ...}}, ...})
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 ⋮ [n?,s?,pebble] 25 ! pkg/util/log/clog.go:294 +0xc6
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 ⋮ [n?,s?,pebble] 25 !github.com/cockroachdb/cockroach/pkg/util/log.logfDepthInternal({0x86e51c8, 0x1dde23ab83c0}, 0x3, 0x4, 0x3, 0x0?, {0x8630d28, 0x2}, {0x1dde1993cea0, 0x1, ...})
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 ⋮ [n?,s?,pebble] 25 ! pkg/util/log/channels.go:104 +0x650
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 [n?,s?,pebble] 27 MANIFEST flush failed: version 0: unsupported protocol version
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 [n?,s?,pebble] 27 !goroutine 97 [running]:
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 [n?,s?,pebble] 27 !github.com/cockroachdb/cockroach/pkg/util/allstacks.GetWithBuf({0x0?, 0x1dde239c9798?, 0xd6afcb?})
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 [n?,s?,pebble] 27 ! pkg/util/allstacks/allstacks.go:38 +0x125
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 [n?,s?,pebble] 27 !github.com/cockroachdb/cockroach/pkg/util/allstacks.Get(...)
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 [n?,s?,pebble] 27 ! pkg/util/allstacks/allstacks.go:19
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 [n?,s?,pebble] 27 !github.com/cockroachdb/cockroach/pkg/util/log.(*loggerT).outputLogEntry(_, {{{0x0, 0x0}, {0x0, 0x0}, {0x0, 0x0}, {0x0, 0x0}, {0x0, ...}}, ...})
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 [n?,s?,pebble] 27 ! pkg/util/log/clog.go:294 +0xc6
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 [n?,s?,pebble] 27 !github.com/cockroachdb/cockroach/pkg/util/log.logfDepthInternal({0x86e51c8, 0x1dde23ab83c0}, 0x3, 0x4, 0x3, 0x0?, {0x8630d28, 0x2}, {0x1dde1993cea0, 0x1, ...})
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 [n?,s?,pebble] 27 ! pkg/util/log/channels.go:104 +0x650
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 ⋮ [n?,s?,pebble] 25 MANIFEST flush failed: version 0: unsupported protocol version
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 ⋮ [n?,s?,pebble] 25 !goroutine 97 [running]:
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 ⋮ [n?,s?,pebble] 25 !github.com/cockroachdb/cockroach/pkg/util/allstacks.GetWithBuf({0x0?, 0x1dde239c9798?, 0xd6afcb?})
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 ⋮ [n?,s?,pebble] 25 ! pkg/util/allstacks/allstacks.go:38 +0x125
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 ⋮ [n?,s?,pebble] 25 !github.com/cockroachdb/cockroach/pkg/util/allstacks.Get(...)
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 ⋮ [n?,s?,pebble] 25 ! pkg/util/allstacks/allstacks.go:19
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 ⋮ [n?,s?,pebble] 25 !github.com/cockroachdb/cockroach/pkg/util/log.(*loggerT).outputLogEntry(_, {{{0x0, 0x0}, {0x0, 0x0}, {0x0, 0x0}, {0x0, 0x0}, {0x0, ...}}, ...})
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 ⋮ [n?,s?,pebble] 25 ! pkg/util/log/clog.go:294 +0xc6
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 ⋮ [n?,s?,pebble] 25 !github.com/cockroachdb/cockroach/pkg/util/log.logfDepthInternal({0x86e51c8, 0x1dde23ab83c0}, 0x3, 0x4, 0x3, 0x0?, {0x8630d28, 0x2}, {0x1dde1993cea0, 0x1, ...})
F260914 23:29:44.443855 97 3@pebble/version_set.go:456 ⋮ [n?,s?,pebble] 25 ! pkg/util/log/channels.go:104 +0x650
```
Cluster Node to Ip Mapping:

| Node | Public IP | Private IP |
| --- | --- | --- |
| teamcity-21516296-1789423542-24-n4cpu16-0001 | 3.137.136.206 | 10.12.40.36 |
| teamcity-21516296-1789423542-24-n4cpu16-0002 | 3.129.18.196 | 10.12.47.85 |
| teamcity-21516296-1789423542-24-n4cpu16-0003 | 3.19.222.148 | 10.12.42.60 |
| teamcity-21516296-1789423542-24-n4cpu16-0004 | 3.136.161.115 | 10.12.46.131 |

Parameters:
- MetamorphicBasaltMultiAZ=false
- MetamorphicFilesystem=zfs
- arch=amd64
- cloud=aws
- coverageBuild=false
- cpu=16
- diskCount=0
- encrypted=false
- fs=zfs
- localSSD=false
- metamorphicLeases=leader
- runtimeAssertionsBuild=false
- storageNodesVersion=v0.1.19-nightly.20260914
Help

See: [roachtest README](https://github.com/cockroachdb/cockroach/blob/master/pkg/cmd/roachtest/README.md)

See: [How To Investigate \(internal\)](https://cockroachlabs.atlassian.net/l/c/SSSBr8c7)

See: [Grafana](https://go.crdb.dev/roachtest-grafana/teamcity-21516296/tpcc-headroom-n4cpu16-binary-basalt-storage-basalt-basalt-nodes/1789428562916/1789428729387)

_Logs were not uploaded to Datadog_

/cc @cockroachlabs/test-eng

[This test on roachdash](https://roachdash.crdb.dev/?filter=status:open%20t:.*tpcc/headroom/n4cpu16/binary=basalt/storage=basalt/basalt_nodes=3/rsengine=disabled.*&sort=title+created&display=lastcommented+project) | [Improve this report!](https://github.com/cockroachdb/cockroach/tree/master/pkg/cmd/bazci/githubpost/issues)

Jira issue: CRDB-68412

Start by inspecting the linked TeamCity failure and artifacts for the tpcc/headroom roachtest, then follow the reported MANIFEST flush error at pkg/pebble/version_set.go:456. The issue provides no reproduction steps or specific expected change, so trace the unsupported protocol version failure before identifying a fix. Done means the failure is understood and the affected roachtest no longer fails for this reason.

Written by the indexing model from the issue text.