Date: Fri, 15 Mar 2002 14:08:07 -0600 From: Matthew Reimer <mreimer@vpop.net> To: "Justin T. Gibbs" <gibbs@scsiguy.com>, scsi@freebsd.org Subject: Re: no active SCB for reconnecting target Message-ID: <3C9254A7.7020708@vpop.net> References: <200203151953.g2FJrKI80174@aslan.scsiguy.com>
next in thread | previous in thread | raw e-mail | index | archive | help
Justin T. Gibbs wrote: >>We are getting errors like the following a dozen or so times per day, >>for several months now (maybe even a year): >> >>ahc0:A:13: no active SCB for reconnecting target - issuing BUS DEVICE RESET >>Mar 15 00:49:26 ring /kernel: SAVED_SCSIID == 0xd7, SAVED_LUN == 0x0, >>ARG_1 == 0x2a ACCUM = 0x17 >>... > > > I'm looking into any chip errata that might cause this, but the best > bet is a bogus cable or terminator. According to your dmesg output, > there is no ID 13 on the bus. Nonetheless, occassionally during a > selection the aic7896 believes that bit 13 is set on the bus. Very > wierd. The cable runs by the chassis fans; could it be susceptible to interference from the fans? A while ago we cranked down the transfer speed of da1 and da2 (which comprise a vinum mirror) to 40MB/s in case that would help make it more resistant to noise (but again to no avail). Matt To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?3C9254A7.7020708>