Date: Sat, 12 Mar 2005 15:10:05 GMT From: Suporte Matik <asstec@matik.com.br> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/78711: Parallel printer incredibly slow Message-ID: <200503121510.j2CFA5Dm015348@freefall.freebsd.org>
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The following reply was made to PR kern/78711; it has been noted by GNATS. From: Suporte Matik <asstec@matik.com.br> To: Bruce Evans <bde@zeta.org.au> Cc: freebsd-bugs@freebsd.org, Jason Bacon <bacon@smithers.neuro.mcw.edu>, FreeBSD-gnats-submit@freebsd.org Subject: Re: kern/78711: Parallel printer incredibly slow Date: Sat, 12 Mar 2005 12:00:05 -0300 --nextPart3242423.gev1DMieO2 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On Friday 11 March 2005 23:11, Bruce Evans wrote: > On Fri, 11 Mar 2005, Suporte Matik wrote: > > On Friday 11 March 2005 19:42, Jason Bacon wrote: > >>> Description: > >> > >> The parallel printer runs ridiculously slow. It prints > >> normally for about 30 seconds, then prints one line every 5 or > >> 10 minutes. ... > > > > Try changing the interrupt storm threshold > (hw.intr_storm_threshold) to something larger than the printer can > generate. FreeBSD-5.3 has interrupt storm detection that > misdetects the very high interrupt rates that can be caused by > printers (combined with low quality interrupt handling in the lpt > driver) as interrupt storms. > I increased it in 500er steps to 2500 (500 was default) and nothing=20 changed in printing speed but the stray irq7 events do not appear=20 anymore.=20 Hans =2D-=20 Infomatik implementamos asas na sua rede. http://info.matik.com.br (18)8112.7007 Mensagens sem assinatura GPG n=E3o s=E3o nossas. Messages without GPG signature are not from us. _______________________________________________________ --nextPart3242423.gev1DMieO2 Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (FreeBSD) iD8DBQBCMwP722x1wvvbslkRAvs8AJ9TR6L+gd38swTL/S0/Z82KJcdozwCePc12 rxuJxTqlIs/FGej0lyRaca8= =G7o9 -----END PGP SIGNATURE----- --nextPart3242423.gev1DMieO2--
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