It is failing jobs due to what seems like disk issues.
running memtest first.
memtest ran 39 passes over the weekend, 0 errors. running extended disk diags.
there were some bad sectors but disk utilities fixed it. i reimaged the host. please let me know if you're still seeing disk issues and we can file an RMA. vans-MacBook-Pro:~ vle$ fping !$ fping t-w864-ix-032.wintest.releng.scl3.mozilla.com t-w864-ix-032.wintest.releng.scl3.mozilla.com is alive vans-MacBook-Pro:~ vle$ ssh !$ ssh t-w864-ix-032.wintest.releng.scl3.mozilla.com The authenticity of host 't-w864-ix-032.wintest.releng.scl3.mozilla.com (10.26.40.62)' can't be established. RSA key fingerprint is 81:21:87:ce:f8:7b:56:92:b6:49:be:a9:39:e4:22:2c. Are you sure you want to continue connecting (yes/no)?