Date: Mon, 07 Apr 1997 11:30:48 -0600 From: "Justin T. Gibbs" <gibbs@plutotech.com> To: Petr Lampa <lampa@fee.vutbr.cz> Cc: freebsd-bugs@freefall.freebsd.org Subject: Re: i386/3195: ahc panic Message-ID: <199704071732.LAA12110@pluto.plutotech.com> In-Reply-To: Your message of "Mon, 07 Apr 1997 00:20:02 PDT." <199704070720.AAA27745@freefall.freebsd.org>
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> Still the same problems, after some time error: > > ahc1:A:1: no active SCB for reconnecting target - issuing ABORT > SAVED_TCL == 0x10 > ahc1:A:1: Target did not send an IDENTIFY message > LASTPHAS = 0x0, SAVED_TCL = 0x10 Have you tried the latest changes to the driver? > and systems loops in ahc driver, everytime I hit kernel debugger, stack is: > > ahc_scsi_cmd > scsi_scsi_cmd > sdstart > free_xs > scsi_done > ahc_done > ahc_run_done_queue > ahc_reset_channel > > I have tried to change a bit of code, which probably causes hangup: This is close, but by delaying the done processing until after the bus settle delay completes, you almost assure that those SCBs will timeout again. I'll commit some patches today that fix this problem. -- Justin T. Gibbs =========================================== FreeBSD: Turning PCs into workstations ===========================================
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