From: Cort Dougan <cort@fsmlabs.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Andrew Morton <morton@nortelnetworks.com>,
ebuddington@wesleyan.edu, linux-kernel@vger.kernel.org
Subject: Re: time drift and fb comsole activity
Date: Wed, 28 Feb 2001 16:59:42 -0700 [thread overview]
Message-ID: <20010228165942.M28471@ftsoj.fsmlabs.com> (raw)
In-Reply-To: <20010228165026.K28471@ftsoj.fsmlabs.com> <E14YGWo-0006nP-00@the-village.bc.nu>
In-Reply-To: <E14YGWo-0006nP-00@the-village.bc.nu>; from alan@lxorguk.ukuu.org.uk on Thu, Mar 01, 2001 at 12:01:01AM +0000
} > We have the same trouble on PPC but we make sure to re-sync on each
} > interrupt. We can see several lost timer interrupts after a ^L in emacs
} > running on the fb console. The resync lets us catch up on those interrupts
} > (and not lose time) but we still spend a lot of time not servicing
} > interrupts.
} > Does x86 not resync on timer interrupts?
}
} The fbdev console problem is too horrible to pretend to solve by resyncing
} on timer interrupts. At least for the x86 the fix is to sort out the fb
} locking properly
How close is that?
next prev parent reply other threads:[~2001-03-01 0:39 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-02-28 22:00 Eric Buddington
2001-02-28 23:37 ` Andrew Morton
2001-02-28 23:50 ` Cort Dougan
2001-03-01 0:01 ` Alan Cox
2001-02-28 23:59 ` Cort Dougan [this message]
2001-03-01 0:04 ` Alan Cox
2001-03-01 0:04 ` Cort Dougan
2001-03-01 0:43 ` Brad Douglas
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