Date: Tue, 07 Sep 2010 09:02:14 +0300 From: Andriy Gapon <avg@freebsd.org> To: Olivier Smedts <olivier@gid0.org> Cc: freebsd-current@freebsd.org, freebsd-stable@freebsd.org, Jeremy Chadwick <freebsd@jdc.parodius.com> Subject: Re: patch for topology detection of Intel CPUs Message-ID: <4C85D566.1040006@freebsd.org> In-Reply-To: <AANLkTinFxO37kKFaOrSLO4AG88HGzBayiqOjX8C0gPRb@mail.gmail.com> References: <AANLkTinYUz0V%2B2nSWBMYLf2fL8HnUQ-fvXT0q-5WY4bb@mail.gmail.com> <4C782D3B.6020407@icyb.net.ua> <201008271743.29393.jkim@FreeBSD.org> <4C7835E6.6070309@icyb.net.ua> <4C7A2782.5040009@freebsd.org> <4C84DBE6.5010809@freebsd.org> <20100906122325.GA78727@icarus.home.lan> <4C84E4E1.8010709@freebsd.org> <20100906131203.GA80251@icarus.home.lan> <4C84EC62.6020205@freebsd.org> <20100906162230.GA1444@icarus.home.lan> <4C8517D1.3050603@freebsd.org> <AANLkTinFxO37kKFaOrSLO4AG88HGzBayiqOjX8C0gPRb@mail.gmail.com>
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on 06/09/2010 20:12 Olivier Smedts said the following: > Here is mine : no difference before and after the patch : Thanks! [snip] > The only thing I noticed is this, after the patch : > ada1 at ahcich1 bus 0 scbus1 target 0 lun 0 > ada1: <SAMSUNG HD161HJ JF100-19> ATA-7 SATA 2.x device > ada1: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes) > ada1: Command Queueing enabled > ada1: 152627MB (312581808 512 byte sectors: 16H 63S/T 16383C) > SMP: AP CPU #1 Launched!cd0 at ahcich2 bus 0 scbus2 target 0 lun 0 > > cd0: <LITE-ON DVDRW LH-20A1S 9L08> Removable CD-ROM SCSI-0 device > cd0: 150.000MB/s transfers (SATA 1.x, UDMA5, ATAPI 12bytes, PIO 8192bytes) > cd0: Attempt to query device size failed: NOT READY, Medium not present > SMP: AP CPU #3 Launched! > SMP: AP CPU #2 Launched! > Trying to mount root from zfs:tank/freebsd > > > Before the patch, all the "SMP: AP CPU #X Launched!" were correctly > displayed, with carriage returns. Yes, I use "options > PRINTF_BUFR_SIZE=128". And I don't know if that's related to the > patch. No, it's not related, it's a probabilistic thing. Those "Launched!" messages are printed from threads running on freshly started APs and thus are executed truly parallel to BSP. BTW, is the above snippet from /var/log/messages or from actual console (e.g. ttyv0)? If it's from message, then could you please check how it looks on the console? -- Andriy Gapon
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