Messages in this thread | | | From | "Vitezslav Samel" <> | Date | Mon, 17 Mar 2003 08:45:26 +0100 | Subject | Re: [Linux-ia64] Re: [BUG] nanosleep() granularity bumps up in 2.5.64 (was: [PATCH] settimeofday() not synchronised with gettimeofday()) |
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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.
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