From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <25920c5f569c11e3ad75afb21ed626b9@hamnavoe.com>
To: 9fans@9fans.net
From: Richard Miller <9fans@hamnavoe.com>
Date: Mon,  9 Feb 2015 09:48:04 +0000
In-Reply-To: <2359d2658e428381a8a0f5a04f200876@posteo.de>
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Subject: Re: [9fans] 9PI kernel stability
Topicbox-Message-UUID: 439476ac-ead9-11e9-9d60-3106f5b1d025

> 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"?

> 2. When writing large files to an USB memory stick FAT file system (say,
> a large TAR archive), the mount is lost, leading to a truncated file.

Try putting the memory stick on a powered usb hub and see if that works
better.