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hudson.plugins.git.GitException: Could not checkout 2c40576bf1c0677c56ee4f593e76599666620809
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl$9.execute(CliGitAPIImpl.java:2101)
	at hudson.plugins.git.GitSCM.checkout(GitSCM.java:1139)
	at org.jenkinsci.plugins.workflow.steps.scm.SCMStep.checkout(SCMStep.java:109)
	at org.jenkinsci.plugins.workflow.steps.scm.SCMStep$StepExecutionImpl.run(SCMStep.java:83)
	at org.jenkinsci.plugins.workflow.steps.scm.SCMStep$StepExecutionImpl.run(SCMStep.java:73)
	at org.jenkinsci.plugins.workflow.steps.AbstractSynchronousNonBlockingStepExecution$1$1.call(AbstractSynchronousNonBlockingStepExecution.java:47)
	at hudson.security.ACL.impersonate(ACL.java:221)
	at org.jenkinsci.plugins.workflow.steps.AbstractSynchronousNonBlockingStepExecution$1.run(AbstractSynchronousNonBlockingStepExecution.java:44)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
Caused by: hudson.plugins.git.GitException: Command "git checkout -f 2c40576bf1c0677c56ee4f593e76599666620809" returned status code 128:
stdout: 
stderr: Downloading sample.heavy (2.00 MB)
Error downloading object: sample.heavy (f4e68d3c34ad81c894a6aeedec14c7a4b867fbd5683ce3818bea5f29e019d744)

Errors logged to /ext/jenkins/workspace/rum_PR-22-DFTRGNR7GK7OAKHLPGP4/.git/lfs/objects/logs/20170313T102733.433291396.log
Use `git lfs logs last` to view the log.
error: external filter git-lfs smudge -- %f failed 2
error: external filter git-lfs smudge -- %f failed
fatal: sample.heavy: smudge filter lfs failed

	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandIn(CliGitAPIImpl.java:1793)
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.access$800(CliGitAPIImpl.java:64)
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl$9.execute(CliGitAPIImpl.java:2078)
	... 12 more
Finished: FAILURE