Date: Fri, 26 Jul 2002 14:00:10 -0700 (PDT) From: Charles Sprickman <freebsd@fasttrackmonkey.com> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/40003: Panic on boot w/4.6 and 4.6-stable from 6/28 Message-ID: <200207262100.g6QL0ANA074151@freefall.freebsd.org>
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The following reply was made to PR kern/40003; it has been noted by GNATS. From: Charles Sprickman <freebsd@fasttrackmonkey.com> To: freebsd-gnats-submit@FreeBSD.org Cc: Subject: Re: kern/40003: Panic on boot w/4.6 and 4.6-stable from 6/28 Date: Fri, 26 Jul 2002 16:58:33 -0400 (EDT) Here's a followup, still having the problem with the latest -stable (FreeBSD 4.6-STABLE #5: Wed Jul 24 05:03:40 EDT 2002). Was able to setup remote gdb, and here is the information I was able to gather: start gdb trace ----- #0 Debugger (msg=0xc029df89 "manual escape to debugger") at ../../i386/i386/db_interface.c:319 #1 0xc02551ea in scgetc (sc=0xc02e46c0, flags=1) at ../../dev/syscons/syscons.c:3149 #2 0xc02534d7 in sccngetch (flags=0) at ../../dev/syscons/syscons.c:1524 #3 0xc025336a in sccngetc (dev=0xc02cca60) at ../../dev/syscons/syscons.c:1447 #4 0xc018260d in cngetc () at ../../kern/tty_cons.c:433 #5 0xc0169805 in shutdown_panic (junk=0x0, howto=256) at ../../kern/kern_shutdown.c:376 #6 0xc0169760 in boot (howto=256) at ../../kern/kern_shutdown.c:319 #7 0xc0169b79 in panic (fmt=0xc02a34ec "%s") at ../../kern/kern_shutdown.c:595 #8 0xc026585b in trap_fatal (frame=0xc0364f64, eva=6) at ../../i386/i386/trap.c:974 #9 0xc0265509 in trap_pfault (frame=0xc0364f64, usermode=0, eva=6) at ../../i386/i386/trap.c:867 #10 0xc02650af in trap (frame={tf_fs = 16, tf_es = -1069219824, tf_ds = 16, tf_edi = -1066027440, tf_esi = 0, tf_ebp = -1070182468, tf_isp = -1070182512, tf_ebx = -1065825280, tf_edx = 0, tf_ecx = 0, tf_eax = 3, tf_trapno = 12, tf_err = 0, tf_eip = -1072437083, tf_cs = -1070202872, tf_eflags = 66118, tf_esp = -1066027440, tf_ss = -1071126464}) at ../../i386/i386/trap.c:466 #11 0xc013e8a5 in ad_attach (atadev=0xc075b650) at ../../dev/ata/ata-disk.c:124 #12 0xc0137162 in ata_boot_attach () at ../../dev/ata/ata-all.c:567 #13 0xc0170316 in run_interrupt_driven_config_hooks (dummy=0x0) at ../../kern/subr_autoconf.c:74 #14 0xc0158728 in mi_startup () at ../../kern/init_main.c:203 (kgdb) up 11 #11 0xc013e8a5 in ad_attach (atadev=0xc075b650) at ../../dev/ata/ata-disk.c:124 124 adp->heads = atadev->param->heads; (kgdb) p adp $2 = (struct ad_softc *) 0x68c040 (kgdb) p atadev $3 = (struct ata_device *) 0xc075b650 (kgdb) p *adp Cannot access memory at address 0x68c040. (kgdb) p *atadev $4 = {channel = 0xc075b600, unit = 16, name = 0xc04503b0 "ad1", param = 0x0, driver = 0x0, flags = 0, mode = 0, cmd = 0, result = 0x0} (kgdb) up 1 #12 0xc0137162 in ata_boot_attach () at ../../dev/ata/ata-all.c:567 567 ad_attach(&ch->device[SLAVE]); (kgdb) p ch $1 = (struct ata_channel *) 0xc075b600 (kgdb) p *ch $5 = {dev = 0xc0763c00, unit = 0, r_io = 0xc0760b40, r_altio = 0xc0760ac0, r_bmio = 0xc0760a40, r_irq = 0xc07609c0, ih = 0xc044baa0, intr_func = 0xc013a22c <ata_pci_intr>, chiptype = 1731858528, alignment = 1, flags = 16, device = {{channel = 0xc075b600, unit = 0, name = 0xc0450c20 "ad0", param = 0xc0782200, driver = 0xc0771000, flags = 1, mode = 16, cmd = 0, result = 0x0}, {channel = 0xc075b600, unit = 16, name = 0xc04503b0 "ad1", param = 0x0, driver = 0x0, flags = 0, mode = 0, cmd = 0, result = 0x0}}, devices = 3, status = 81 'Q', error = 4 '\004', active = 32, ata_queue = { tqh_first = 0x0, tqh_last = 0xc075b680}, atapi_queue = {tqh_first = 0x0, tqh_last = 0xc075b688}, running = 0xc0765840} ----- Thanks, Charles To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message
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