Date: Sun, 18 Apr 1999 10:39:17 -0700 (PWT) From: Matthew Jacob <mjacob@feral.com> To: detlef graef <dgraef@ibm.net> Cc: "freebsd-scsi@freebsd.org" <freebsd-scsi@FreeBSD.ORG> Subject: Re: Tekram DC390 driver for FreeBSD 3.x Message-ID: <Pine.LNX.4.04.9904181030200.15848-100000@feral-gw> In-Reply-To: <Pine.BSF.4.05.9904181422550.85882-100000@herring.nlsystems.com>
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> > I've tried to install FreeBSD 3.0 with the new CAMified driver > > for the Tekram DC390 SCSI adapter. > > The kernel doesn't wait for the SCSI devices to settle, and then > > the driver doesn't "see" all devices that are connected to the bus. > > So I have no access to some devices. > > > > The kernel says "waiting 15 sec. for SCSI devises ..." but the kernel > > doesn't actually wait. Really? It waits for me... So much so that I trimmed the wait down... > > > > The *same* kernel (with support for the 2940 and DC390) waits when > > a 2940 is installed. Why could this be? The code that makes the kernel > > to wait is not implemented in the driver. Why are there differences > > in the behaviour with different controllers? > If the HBA doesn't report a BUS RESET back to CAM via an xpt_async call, the simq won't get frozen for SCSI_DELAY milliseconds. This call occurs both as driven by the driver when a XPT_RESET_BUS gets thrown at it and also when an aynchronous bus reset is detected. Also, if the hba's hba_misc has PIM_NOBUSRESET set, no initial bus reset will be done. Which is the Tekram driver? I don't notice it anywhere.... To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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