Date: Thu, 22 Feb 2001 14:10:06 -0800 (PST) From: Eugene Aleynikov <eugenea@infospace.com> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/25264: Kernel trap 12 in camisr Message-ID: <200102222210.f1MMA6822040@freefall.freebsd.org>
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The following reply was made to PR kern/25264; it has been noted by GNATS.
From: Eugene Aleynikov <eugenea@infospace.com>
To: freebsd-gnats-submit@FreeBSD.org
Cc:
Subject: Re: kern/25264: Kernel trap 12 in camisr
Date: Thu, 22 Feb 2001 14:01:02 -0800
Another trap:
panic: lockmgr: pid 44687, not exclusive lock holder 374 unlocking
mp_lock = 01000001; cpuid = 1; lapic.id = 00000000
boot() called on cpu#1
syncing disks... panic: rslock: cpu: 1, addr: 0xc3d25e00, lock:
0x01000001
mp_lock = 01000001; cpuid = 1; lapic.id = 00000000
boot() called on cpu#1
Uptime: 3h57m11s
(da1:ahc0:0:2:0): SYNCHRONIZE CACHE. CDB: 35 0 0 0 0 0 0 0 0 0
(da1:ahc0:0:2:0): ILLEGAL REQUEST asc:20,0
(da1:ahc0:0:2:0): Invalid command operation code
dumping to dev #da/0x20001, offset 1048704
dump
Fatal trap 12: page fault while in kernel mode
mp_lock = 01000002; cpuid = 1; lapic.id = 00000000
fault virtual address = 0x0
fault code = supervisor write, page not present
instruction pointer = 0x8:0xc0121968
stack pointer = 0x10:0xdbbc6800
frame pointer = 0x10:0xdbbc6810
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 44687 (proftpd)
interrupt mask = net tty bio cam <- SMP: XXX
trap number = 12
panic: page fault
mp_lock = 01000002; cpuid = 1; lapic.id = 00000000
boot() called on cpu#1
Uptime: 3h57m11s
Fatal trap 12: page fault while in kernel mode
mp_lock = 01000003; cpuid = 1; lapic.id = 00000000
fault virtual address = 0x10
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc0121a84
stack pointer = 0x10:0xdbbc641c
frame pointer = 0x10:0xdbbc6430
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 44687 (proftpd)
interrupt mask = net tty bio cam <- SMP: XXX
trap number = 12
panic: page fault
mp_lock = 01000003; cpuid = 1; lapic.id = 00000000
boot() called on cpu#1
Uptime: 3h57m11s
0xc0121968 is in probedone (../../cam/cam_xpt.c:5619).
5614 path->device->serial_num_len =
5615 serial_buf->length;
5616 path->device->serial_num[serial_buf->length]
5617 = '\0';
5618 }
5619 } else if (cam_periph_error(done_ccb, 0,
5620 SF_RETRY_UA|SF_NO_PRINT,
5621 &softc->saved_ccb) == ERESTART) {
5622 return;
5623 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
(kgdb) list *0xc0121a84
0xc0121a84 is in probedone (../../cam/cam_xpt.c:5693).
5688 /* Don't wedge the queue */
5689 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1,
5690 /*run_queue*/TRUE);
5691 }
5692
5693 path->device->flags &= ~CAM_DEV_UNCONFIGURED;
5694
5695 if ((softc->flags & PROBE_NO_ANNOUNCE) == 0) {
5696 /* Inform the XPT that a new device has been found */
5697 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE;
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