Date: Sun, 19 Oct 2003 00:03:55 +0300 (EEST) From: Petri Helenius <pete@helenius.fi> To: FreeBSD-gnats-submit@FreeBSD.org Subject: kern/58230: ata raid crashes in g_down Message-ID: <200310182103.h9IL3tLP087142@rms21.rommon.net> Resent-Message-ID: <200310182110.h9ILADwU022671@freefall.freebsd.org>
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>Number: 58230 >Category: kern >Synopsis: ata raid crashes in g_down >Confidential: no >Severity: critical >Priority: high >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Sat Oct 18 14:10:13 PDT 2003 >Closed-Date: >Last-Modified: >Originator: Petri Helenius >Release: FreeBSD 5.1-CURRENT i386 >Organization: >Environment: System: FreeBSD 5.1-CURRENT FreeBSD 5.1-CURRENT #16: Sun Oct 12 19:41:04 GMT 2003 root@kompak.vuokselantie10.fi:/usr/src/sys/i386/compile/EMTEST i386 >Description: When running the system with degraded ataraid set, it crashes in make world 0xc0463d79 is in arstrategy (../../../dev/ata/ata-raid.c:832). 827 buf1->drive = buf1->drive + rdp->width; 828 } 829 } 830 buf1->bp.bio_disk = &AD_SOFTC(rdp->disks[buf1->drive])->disk; 831 AR_STRATEGY((struct bio *)buf1); 832 rdp->disks[buf1->drive].last_lba = buf1->bp.bio_pblkno + chunk; 833 break; 834 835 default: 836 printf("ar%d: unknown array type in arstrategy\n", rdp->lun); (gdb) Suspended Fatal trap 12: page fault while in kernel mode fault virtual address = 0xa2e664f4 fault code = supervisor write, page not present instruction pointer = 0x8:0xc0463d79 stack pointer = 0x10:0xcdaaebc4 frame pointer = 0x10:0xcdaaec54 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 = 4 (g_down) kernel: type 12 trap, code=0 Stopped at arstrategy+0x939: movl %eax,0x24(%ebx,%ecx,8) db> trace arstrategy(c2bbb090,0,c06ae5c7,5c,0) at arstrategy+0x939 g_disk_start(c2b885a0,0,c06aeb6b,164,a) at g_disk_start+0x1a6 g_io_schedule_down(c12a2000,2,c06aed89,6e,c04e5f40) at g_io_schedule_down+0x1ac g_down_procbody(0,cdaaed48,c06b0b1a,314,20aa) at g_down_procbody+0x48 fork_exit(c04e5f40,0,cdaaed48) at fork_exit+0xcf fork_trampoline() at fork_trampoline+0x8 --- trap 0x1, eip = 0, esp = 0xcdaaed7c, ebp = 0 --- db> >How-To-Repeat: >Fix: >Release-Note: >Audit-Trail: >Unformatted:
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