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From: Dante <subscriptions@posteo.eu>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] 9PI kernel stability
Date: Tue, 10 Feb 2015 09:27:32 +0100	[thread overview]
Message-ID: <84332da15cf37a8b2fa36e85fa7bcd86@posteo.de> (raw)
In-Reply-To: <E86DAF23-EB2D-4D81-A6DB-5F250357B418@orthanc.ca>

Wrong, there's  no drawterm on the monitor connected over HDMI :-).


On 09.02.2015 23:41, Lyndon Nerenberg wrote:
> On Feb 9, 2015, at 1:48 AM, Richard Miller <9fans@hamnavoe.com> wrote:
>
>>> 1. Text windows sometimes get black "garbage" on the background that
>>> refuses to go, even if text is scrolled over it.
>>>     The size of the "garbage" is about 1 character, and looks like an
>>> "island". That is, neither meaningful symbol, nor random pattern.
>>
>> There are known race conditions in the soft cursor code (not just on
>> the pi).  Could the black island be a "mouse dropping"?
>
> This sounds like a bug exposed by drawterm, worked around by having
> draw page flip between re-writes.  This cropped up around 2010 I
> think.  Might it be related?



  reply	other threads:[~2015-02-10  8:27 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-09  8:23 Dante
2015-02-09  9:48 ` Richard Miller
2015-02-09 13:58   ` Dante
2015-02-09 15:52     ` Richard Miller
2015-02-09 18:20       ` Dante
2015-02-09 22:41   ` Lyndon Nerenberg
2015-02-10  8:27     ` Dante [this message]
2015-02-10 14:00       ` erik quanstrom
2015-02-10 14:44         ` Dante

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