▸css2.1/20110323/at-import-002.htm (failed 10 out of 32 times) ▸css2.1/20110323/at-import-004.htm (failed 11 out of 32 times) ▸css2.1/20110323/at-import-005.htm (failed 9 out of 32 times) ▸css2.1/20110323/at-import-006.htm (failed 11 out of 32 times) ▸css2.1/20110323/at-import-007.htm (failed 2 out of 32 times) ▸css2.1/20110323/at-import-009.htm (failed 4 out of 32 times) ▸css2.1/20110323/eof-005.htm (failed 7 out of 32 times) I'll mark those as flaky.
Happens mostly on 64-bit Debug btw.
The tests are consistently passing so their expectations were removed in http://trac.webkit.org/changeset/120476. Closing the bug.