Date: Fri, 14 Feb 2003 05:20:10 -0800 From: Alfred Perlstein <alfred@FreeBSD.org> To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/kern kern_intr.c src/sys/dev/ata ata-all.c Message-ID: <20030214132010.GL93252@elvis.mu.org> In-Reply-To: <200302141310.h1EDAega068830@repoman.freebsd.org> References: <200302141310.h1EDAega068830@repoman.freebsd.org>
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* Alfred Perlstein <alfred@FreeBSD.org> [030214 05:10] wrote: > alfred 2003/02/14 05:10:40 PST > > Modified files: > sys/kern kern_intr.c > sys/dev/ata ata-all.c > Log: > Fix crash dumps on ata and scsi. > > To fix scsi, don't wait for ithreads if we're dumping, it makes the > debugger sad. > > To fix ata, use what appears to be a polling method if we're dumping, > I stole this from tmm but added code to ensure that this change is > only in effect while dumping. > > Tested by: des > > Revision Changes Path > 1.165 +2 -1 src/sys/dev/ata/ata-all.c > 1.88 +2 -1 src/sys/kern/kern_intr.c Someone already has said "but scsi dumps worked!" .. not true for all. db> call doadump Dumping 511 MB mi_switch(1,1,c401d0e0,c14fc400,e) at mi_switch+0x21d ithread_schedule(c14ffa80,1,d7bd48dc,c01367ef,c14f7a40) at ithread_schedule+0xf9 swi_sched(c14f7a40,0,d7bd48f8,c016afae,d7bd4948) at swi_sched+0x38 xpt_done(d7bd4948,c401d0e0,c14fc400,d000,2) at xpt_done+0x4f ahc_run_qoutfifo(c14fc400,d7bd4948,ea4c,c4001c40,d7bd492c) at ahc_run_qoutfifo+0 x6e ahc_intr(c14fc400,c4001c80,c4159800,d7bd4948,200) at ahc_intr+0xbd xpt_polled_action(d7bd4948,206af400,0,a,d7bd4a10) at xpt_polled_action+0x9c dadump(c416ab00,c03af920,0,206af400,0,200) at dadump+0x19b dumpsys(c0387cc0,c0387ce0,b,d7bd4aa8,c01e50e0) at dumpsys+0x28b doadump(0,0,0,0,0,0,0,0,0,0) at doadump+0x20 db_fncall(0,0,c038e000,d7bd4b10,0) at db_fncall+0x7c db_command(c034ae00,c034ac20,c0343ad0,c0343ad4,c031c612) at db_command+0xfb db_command_loop(0,0,d7bd4c80,c036ee08,d7bd4bfc) at db_command_loop+0x5c db_trap(3,0,1,3,c3fd50e0) at db_trap+0x5e kdb_trap(3,0,d7bd4c38) at kdb_trap+0xe6 trap(18,10,10,c14fb800,c403a400) at trap+0x39f calltrap() at calltrap+0x5 -- -Alfred Perlstein [alfred@freebsd.org] 'Instead of asking why a piece of software is using "1970s technology," start asking why software is ignoring 30 years of accumulated wisdom.' To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-src" in the body of the message
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