On Tue, 15 May 2007 08:06:52 +0200 Eric Dumazet <[EMAIL PROTECTED]> wrote:
> Andrew Morton a écrit : > > On Mon, 14 May 2007 21:17:47 -0700 [EMAIL PROTECTED] wrote: > > > >> http://bugzilla.kernel.org/show_bug.cgi?id=8479 > >> > >> Summary: gettimeofday returning 1000000 in tv_usec on core2duo > >> Kernel Version: 2.6.21 > >> Status: NEW > >> Severity: normal > >> Owner: [EMAIL PROTECTED] > >> Submitter: [EMAIL PROTECTED] > >> > >> > >> Most recent kernel where this bug did *NOT* occur: 2.6.20 > >> Distribution: Gentoo > >> Hardware Environment: core2duo T7200 (all reporters had this same CPU) > >> Software Environment: Linux 2.6.21, glibc 2.5 > >> Problem Description: > >> > >> gettimeofday returns 1 - 1000000 in tv_usec, not 0 - 999999 > >> This does not happen on any of my AMD-based 32 or 64 bit boxes, only on my > >> core2duo; I have 2 other reports of this problem, all on T7200's > >> > >> Steps to reproduce: > >> > >> call gettimeofday a lot. Eventually, you'll get 1000000 returned in > >> tv_usec. My > >> average is ~1 in 1000000 calls. I've attached my test program, with > >> output from > >> various boxes. One of the other reporters tried the test program too, and > >> got > >> similar output. .config will be attached too. > > > > err, whoops. > > I remember I already hit this and corrected it > > http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blobdiff;f=arch/x86_64/kernel/vsyscall.c;h=dc32cef961950915fbaa185e36ab802d5f7cea3b;hp=ba330f87067996a17495f7d03466d646c718b52c;hb=c8118c6c07f2edfd697aaa0b93e08c3b65a5a675;hpb=272a3713bb9e302e0455c894c41180a482d2c8a3 Oh, OK. > Maybe a stable push is necessary ? yup. Please always think of -stable when preparing fixes. I'm sure many useful fixes are slipping past simply because those who _are_ looking out for backportable fixes are missing things. Greg, Chris: please consider c8118c6c07f2edfd697aaa0b93e08c3b65a5a675 for -stable, if it isn't already there. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
