Date: Fri, 22 May 1998 11:44:52 -0700 (PDT) From: Julian Elischer <julian@whistle.com> To: Philippe Regnauld <regnauld@deepo.prosa.dk> Cc: freebsd-current@FreeBSD.ORG Subject: Re: Softupdates panic (finally!) Message-ID: <Pine.BSF.3.95.980522113848.24421H-100000@current1.whistle.com> In-Reply-To: <19980522015425.42138@deepo.prosa.dk>
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do you have the kernel, and the sources and the core-dump?
I know it would be a huge tar-file,
but can I have it? :-)
failing that, the kernel with the symbols and the core file, and the exact
time of the kernel tree snapshot (so I can cvs update back to that point)
kernel compiled with -g?
:-)
On Fri, 22 May 1998, Philippe Regnauld wrote:
> I finally managed to catch the critter (i.e.: get a dump, and trace
> it).
>
> Note: -current (22/5), SMP P5-133x2, 48Mb, 7880 SCSI + 4GbUW
>
> /usr/src: mounted normally
> /var: async (contains /tmp)
> /pub: softupdates (contains /usr/obj)
>
> Panic: ffs_blockfree: freeing free block
> mp_lock=01000001 cpuid=1 lapic.id=01000000
>
> - reboot, savecore, gdb -k :
>
> #0 boot (howto=260) at ../../kern/kern_shutdown.c:281
> 281 dumppcb.pcb_cr3 = rcr3();
> (kgdb) where
> #0 boot (howto=260) at ../../kern/kern_shutdown.c:281
> #1 0xf0119352 in panic (fmt=0x0) at ../../kern/kern_shutdown.c:421
> #2 0xf01017e6 in db_fncall (dummy1=-210002852, dummy2=0, dummy3=-266368704,
> dummy4=0xf37b9c18 "\n") at ../../ddb/db_command.c:532
> #3 0xf0101505 in db_command (last_cmdp=0xf01e7af4, cmd_table=0xf01e7954,
> aux_cmd_tablep=0xf01f7258) at ../../ddb/db_command.c:332
> #4 0xf010169a in db_command_loop () at ../../ddb/db_command.c:455
> #5 0xf0103e43 in db_trap (type=3, code=0) at ../../ddb/db_trap.c:71
> #6 0xf019c864 in kdb_trap (type=3, code=0, regs=0xf37b9d08)
> at ../../i386/i386/db_interface.c:157
> #7 0xf01ae628 in trap (frame={tf_es = 16, tf_ds = 16, tf_edi = -260026156,
> tf_esi = 256, tf_ebp = -210002612, tf_isp = -210002640,
> tf_ebx = -266908080, tf_edx = -266745196, tf_ecx = 16777217,
> tf_eax = 18, tf_trapno = 3, tf_err = 0, tf_eip = -266745143, tf_cs = 8,
> tf_eflags = 582, tf_esp = -266745212, tf_ss = -267283789})
> at ../../i386/i386/trap.c:507
> #8 0xf019cac9 in Debugger (msg=0xf01192b3 "panic")
> at ../../i386/i386/db_interface.c:316
> #9 0xf0119349 in panic (fmt=0xf0174e50 "ffs_blkfree: freeing free block")
> at ../../kern/kern_shutdown.c:419
> #10 0xf0175047 in ffs_blkfree (ip=0xf37b9e3c, bno=11200, size=8192)
> at ../../ufs/ffs/ffs_alloc.c:1332
> #11 0xf017a1c4 in indir_trunc (ip=0xf37b9e3c, dbn=1267520, level=0, lbn=12,
> countp=0xf37b9e2c) at ../../ufs/ffs/ffs_softdep.c:2050
> #12 0xf0179ea8 in handle_workitem_freeblocks (freeblks=0xf0b13400)
> at ../../ufs/ffs/ffs_softdep.c:1948
> #13 0xf017807c in softdep_process_worklist (matchmnt=0x0)
> at ../../ufs/ffs/ffs_softdep.c:541
> #14 0xf013b0aa in sched_sync () at ../../kern/vfs_subr.c:958
> #15 0xf010c3e6 in kproc_start (udata=0xf01ea274) at ../../kern/init_main.c:245
> #16 0xf019d2e9 in fork_trampoline ()
> #17 0x1fec in ?? ()
> zsh: segmentation fault gdb -k kernel.debug /var/crash/vmcore.2
> ^^^^^^^^^^^^^^^^^^^^^^^^^^
>
I presume this is was a pristine guaranteed to be fully correct filesystem
before all this?
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