Re: [Bug #14015] pty regressed again, breaking expect and gcc's testsuite

[Mikael Pettersson]

On Wed, 19 Aug 2009 22:27:02 +0200 (CEST), Rafael J. Wysocki wrote:
> The following bug entry is on the current list of known regressions
> from 2.6.30.  Please verify if it still should be listed and let me know
> (either way).
> 
> 
> Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=3D14015
> Subject		: pty regressed again, breaking expect and gcc's testsuite
> Submitter	: Mikael Pettersson <mikpe@xxxxxxxx>
> Date		: 2009-08-14 23:41 (6 days old)
> References	: http://marc.info/?l=3Dlinux-kernel&m=3D125029329805643&w=3D4

The good news is that I don't see this issue any more with 2.6.31-rc7
on x86. The bad news is that the first time I reported this issue, for
-rc3 or -rc4 I think, I thought it was fixed in -rc5 only to see it
reappear in -rc6 on x86 and in -rc5 on ARM. So I'd like to keep this
open another week while I run more regression tests on non-x86 platforms.

While I don't suspect any arch-specific problems in the pty/tty code,
I do suspect timing/race-type problems which are obviously affected
by platform speed etc.

/Mikael
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