From: Andrew Morton <andrewm@uow.edu.au>
To: Linus Torvalds <torvalds@transmeta.com>
Cc: Frank de Lange <frank@unternet.org>,
Alan Cox <alan@lxorguk.ukuu.org.uk>,
Manfred Spraul <manfred@colorfullife.com>,
dwmw2@infradead.org, linux-kernel@vger.kernel.org, mingo@elte.hu
Subject: Re: QUESTION: Network hangs with BP6 and 2.4.x kernels, hardware
Date: Sat, 13 Jan 2001 13:12:39 +1100 [thread overview]
Message-ID: <3A5FB997.7F366C3@uow.edu.au> (raw)
In-Reply-To: <20010113014807.B29757@unternet.org> <Pine.LNX.4.10.10101121652160.8097-100000@penguin.transmeta.com>
Linus Torvalds wrote:
>
> On Sat, 13 Jan 2001, Frank de Lange wrote:
>
> > On Fri, Jan 12, 2001 at 04:36:33PM -0800, Linus Torvalds wrote:
> > > It may well not be disable_irq() that is buggy. In fact, there's good
> > > reason to believe that it's a hardware problem.
> >
> > I am inclined to believe it IS a hardware problem... If disable_irq were buggy,
> > wouldn't the problem occur more frequently in other irq-heavy areas? A quick
> > count shows that disable_irq* is used in 84 sourcefiles in the driver/*
> > directory. This includes drivers which generate many interrupts in a short
> > timeframe (like ide).
>
> IDE is not my favourite example of a "known stable driver". Also, in many
> cases IDE is for historical reasons connected to an EDGE io-apic pin (ie
> it's still considered an ISA interrupt). Which probably wouldn't show this
> problem anyway.
>
3c59x calls disable_irq() once per minute, and seems to be
one of the most-affected drivers.
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next prev parent reply other threads:[~2001-01-13 2:06 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-01-12 17:16 QUESTION: Network hangs with BP6 and 2.4.x kernels, hardware related? Manfred Spraul
2001-01-12 17:33 ` Frank de Lange
2001-01-12 17:51 ` Manfred Spraul
2001-01-12 18:25 ` Frank de Lange
2001-01-12 19:04 ` Manfred Spraul
2001-01-12 19:07 ` Frank de Lange
2001-01-12 19:21 ` Frank de Lange
2001-01-12 19:33 ` Manfred Spraul
2001-01-12 19:52 ` Frank de Lange
2001-01-12 19:59 ` Linus Torvalds
2001-01-12 20:03 ` Ingo Molnar
2001-01-14 0:13 ` Roeland Th. Jansen
2001-01-14 0:23 ` Frank de Lange
2001-01-12 20:05 ` Frank de Lange
2001-01-12 20:11 ` QUESTION: Network hangs with BP6 and 2.4.x kernels, hardwarerelated? Manfred Spraul
2001-01-12 20:16 ` Frank de Lange
2001-01-12 20:19 ` Ingo Molnar
2001-01-12 20:26 ` Frank de Lange
2001-01-12 20:31 ` Ingo Molnar
2001-01-12 20:35 ` Frank de Lange
2001-01-12 20:37 ` Ingo Molnar
2001-01-12 20:46 ` David Woodhouse
2001-01-12 20:46 ` Frank de Lange
2001-01-12 20:51 ` Ingo Molnar
2001-01-12 21:05 ` Frank de Lange
2001-01-15 2:00 ` Jorge Nerin
2001-01-13 0:15 ` Linus Torvalds
2001-01-13 0:19 ` Frank de Lange
2001-01-13 0:29 ` Alan Cox
2001-01-12 20:54 ` Manfred Spraul
2001-01-12 21:07 ` Frank de Lange
2001-01-12 21:31 ` Manfred Spraul
2001-01-12 23:50 ` Alan Cox
2001-01-12 21:21 ` QUESTION: Network hangs with BP6 and 2.4.x kernels, hardware related? Frank de Lange
2001-01-12 23:35 ` QUESTION: Network hangs with BP6 and 2.4.x kernels, hardware Alan Cox
2001-01-13 0:06 ` Manfred Spraul
2001-01-13 0:36 ` Linus Torvalds
2001-01-13 0:48 ` Frank de Lange
2001-01-13 0:56 ` Linus Torvalds
2001-01-13 1:27 ` Frank de Lange
2001-01-13 1:51 ` Manfred Spraul
2001-01-13 2:11 ` Frank de Lange
2001-01-13 1:49 ` Jens Axboe
2001-01-13 2:12 ` Andrew Morton [this message]
2001-01-13 2:48 ` Linus Torvalds
2001-01-13 3:24 ` Andrew Morton
2001-01-13 12:37 ` Russell King
2001-01-13 15:18 ` Call for testers: ne2k-pci and io apic (was: Re: QUESTION: Network hangs with BP6...) Manfred Spraul
2001-01-13 23:55 ` Manfred Spraul
2001-01-14 0:18 ` Call for testers: ne2k-pci and io apic J . A . Magallon
2001-01-14 0:23 ` Call for testers: ne2k-pci and io apic (was: Re: QUESTION: Network hangs with BP6...) J . A . Magallon
2001-01-14 2:14 ` Call for testers: ne2k-pci and io apic J . A . Magallon
2001-01-15 16:15 ` QUESTION: Network hangs with BP6 and 2.4.x kernels, hardware Zdenek Kabelac
2001-01-13 1:38 ` Manfred Spraul
2001-01-13 2:10 ` Andrew Morton
2001-01-12 17:49 ` Alan Cox
2001-01-12 18:08 ` Manfred Spraul
2001-01-12 18:16 ` Ingo Molnar
2001-01-12 18:45 ` Manfred Spraul
2001-01-12 18:48 ` Ingo Molnar
2001-01-12 18:28 ` Linus Torvalds
2001-01-12 23:27 ` Alan Cox
2001-01-13 0:35 ` Linus Torvalds
2001-01-13 0:43 ` Alan Cox
2001-01-13 0:48 ` Linus Torvalds
2001-01-12 19:05 ` Frank de Lange
2001-01-12 20:04 ` Linus Torvalds
2001-01-15 14:36 ` Roeland Th. Jansen
2001-01-12 22:03 ` Latest status of IDE patches from Andre Jeff Nguyen
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