On Sun, Oct 03, 2004 at 11:00:30AM +0200, Manuel Bouyer wrote:
> On Sun, Oct 03, 2004 at 03:47:16AM -0400, Sean Davis wrote:
> > 
> > I agree... trouble is, it won't write out a core. Anyway, I scripted it
> > booting a DEBUG kernel (only changes in the kernel were the addition of DDB,
> > DEBUG, makeoptions DEBUG="-g")
> > 
> > Here it is:
> > 
> > Program terminated
> > ok boot netbsd.test
> > Resetting ... 
> > 
> > Sun Ultra 5/10 UPA/PCI (UltraSPARC-IIi 333MHz), No Keyboard
> > OpenBoot 3.31, 256 MB (60 ns) memory installed, Serial #10389508.
> > Ethernet address 8:0:20:9e:88:4, Host ID: 809e8804.
> > 
> > 
> > [...]
> > scsibus0: waiting 2 seconds for devices to settle...
> > text_access_fault: pc=0 va=0
> > kernel trap 64: +fast instruction access MMU miss
> > Stopped in pid 4.1 (atabus1) at 0:      undefined
> > db> t
> > wdc_drvprobe(20f64c8, 0, 359, 115ccd0, a, 1812c00) at netbsd:wdc_drvprobe+0x274
> 
> could you find the line in the sources matching wdc_drvprobe+0x274 ?
> gdb netbsd.gdb
> l *(wdc_drvprobe+0x274)

(gdb) exec-file /netbsd.test
(gdb) symbol-file netbsd.gdb
Reading symbols from netbsd.gdb...done.
(gdb) l *(wdc_drvprobe+0x274)
0x103b554 is in wdc_drvprobe
(/misc/cvs/netbsd/current/src/sys/dev/ic/wdc.c:296).
291                     /* Shortcut in case we've been shutdown */
292                     if (chp->ch_flags & ATACH_SHUTDOWN)
293                             return;
294
295                     /* issue an identify, to try to detect ghosts */
296                     error = ata_get_params(&chp->ch_drive[i],
297                         AT_WAIT | AT_POLL, &params);
298                     if (error != CMD_OK) {
299                             tsleep(&params, PRIBIO, "atacnf", mstohz(1000));
300

HTH,

-Sean
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