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Re: bin/50350: rump/rumpkern/t_sp/stress_{long,short} fail on Core 2 Quad

The following reply was made to PR bin/50350; it has been noted by GNATS.

From: Andreas Gustafsson <>
Subject: Re: bin/50350: rump/rumpkern/t_sp/stress_{long,short} fail on Core 2 Quad
Date: Fri, 12 Oct 2018 15:29:36 +0300

 This is strange.
 Some time ago, I replaced the Core 2 Quad system of the original bug
 report by a HP DL360 G7 with dual Xeon L5630 CPUs, and the behavior of
 the rump/rumpkern/t_sp/stress_{long,short} test cases did not change:
 they still consistently failed with a timeout as reported.
 But recently, I noticed that they had started to consistently pass on
 the same hardware, and they passed even when I tested an old version
 of -current where they had previously failed.
 The only thing that has changed, that I can think of, is that I
 updated the system firmware from the version dated 2011-01-28 to
 2018-05-21, which includes fixes for various speculative execution
 vulnerabilities as well as other bug fixes.
 Has anyone else run the ATF tests on machine with 4 or more cores
 recently?  If so, did the rump/rumpkern/t_sp/stress_{long,short} test
 cases pass or fail?
 Andreas Gustafsson,

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