From: "Vitezslav Samel" <samel@mail.cz>
To: Matthew Wilcox <willy@debian.org>
Cc: Eric Piel <Eric.Piel@Bull.Net>,
davidm@hpl.hp.com, linux-ia64@linuxia64.org,
linux-kernel@vger.kernel.org
Subject: Re: [Linux-ia64] Re: [BUG] nanosleep() granularity bumps up in 2.5.64 (was: [PATCH] settimeofday() not synchronised with gettimeofday())
Date: Mon, 17 Mar 2003 08:45:26 +0100 [thread overview]
Message-ID: <20030317074526.GA21969@pc11.op.pod.cz> (raw)
In-Reply-To: <20030314144859.GJ29631@parcelfarce.linux.theplanet.co.uk>
On Fri, Mar 14, 2003 at 02:48:59PM +0000, Matthew Wilcox wrote:
> On Fri, Mar 14, 2003 at 03:34:36PM +0100, Eric Piel wrote:
> > I think lines like that from patch-2.5.64 are very suspicious to be
> > related to the bug:
> > + base->timer_jiffies = INITIAL_JIFFIES;
> > + base->tv1.index = INITIAL_JIFFIES & TVR_MASK;
> > + base->tv2.index = (INITIAL_JIFFIES >> TVR_BITS) & TVN_MASK;
> > + base->tv3.index = (INITIAL_JIFFIES >> (TVR_BITS+TVN_BITS)) & TVN_MASK;
> > + base->tv4.index = (INITIAL_JIFFIES >> (TVR_BITS+2*TVN_BITS)) &
> > TVN_MASK;
> > + base->tv5.index = (INITIAL_JIFFIES >> (TVR_BITS+3*TVN_BITS)) &
> > TVN_MASK;
>
> No, I don't think so. Those lines are for starting `jiffies' at a very
> high number so we spot jiffie-wrap bugs early on.
The nanosleep() bug narrowed down to 2.5.63-bk2. That's version, the "initial
jiffies" patch went in. And yes, it's on i686 machine.
Cheers,
Vita
next prev parent reply other threads:[~2003-03-17 7:34 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <3E70B797.DFC260B@Bull.Net>
[not found] ` <15984.58358.499539.299000@napali.hpl.hp.com>
2003-03-14 14:34 ` Eric Piel
2003-03-14 14:48 ` [Linux-ia64] " Matthew Wilcox
2003-03-17 7:45 ` Vitezslav Samel [this message]
2003-03-17 13:55 ` [BUG] nanosleep() granularity bumps up in 2.5.64 Tim Schmielau
2003-03-17 19:42 ` [BUG & WORKAROUND] " Tim Schmielau
2003-03-18 9:05 ` [PATCH] fix nanosleep() granularity bumps Tim Schmielau
2003-03-24 12:06 ` Finn Arne Gangstad
2003-03-24 12:10 ` Tim Schmielau
2003-03-14 19:29 ` [Linux-ia64] Re: [BUG] nanosleep() granularity bumps up in 2.5.64 (was: [PATCH] settimeofday() not synchronised with gettimeofday()) David Mosberger
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