Date: Wed, 26 Dec 2001 19:01:23 -0500 From: "Robin P. Blanchard" <Robin_Blanchard@gactr.uga.edu> To: Matthew Dillon <dillon@apollo.backplane.com> Cc: stable@freebsd.org Subject: SMP kernel (still) faulting. Message-ID: <1009411283.3c2a64d3c5b22@intranet.gactr.uga.edu>
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Matt --
Looks like I spoke too soon. I checked on the box Sunday afternoon and
saw that it wasn't responding, but was out of town and couldn't do
anything about it. I arrived today to find the box hung, again, despite
the MAXUSERS=512 option:
#0 dumpsys () at ../../kern/kern_shutdown.c:473
#1 0xc016e410 in boot (howto=260) at ../../kern/kern_shutdown.c:313
#2 0xc016e841 in panic (fmt=0xc026ed64 "from debugger")
at ../../kern/kern_shutdown.c:581
#3 0xc01379cd in db_panic (addr=-1071658876, have_addr=0, count=-1,
modif=0xe3267d24 "") at ../../ddb/db_command.c:435
#4 0xc013796b in db_command (last_cmdp=0xc02a3f64,
cmd_table=0xc02a3da4,
aux_cmd_tablep=0xc02c1018) at ../../ddb/db_command.c:333
#5 0xc0137a32 in db_command_loop () at ../../ddb/db_command.c:457
#6 0xc0139be3 in db_trap (type=12, code=0) at ../../ddb/db_trap.c:71
#7 0xc0241e44 in kdb_trap (type=12, code=0, regs=0xe3267e80)
at ../../i386/i386/db_interface.c:158
#8 0xc025629e in trap_fatal (frame=0xe3267e80, eva=269781285)
at ../../i386/i386/trap.c:951
#9 0xc0255f1d in trap_pfault (frame=0xe3267e80, usermode=0,
eva=269781285)
at ../../i386/i386/trap.c:849
#10 0xc0255a63 in trap (frame={tf_fs = 24, tf_es = 16, tf_ds = 16,
tf_edi = -452349504, tf_esi = 0, tf_ebp = -484016404,
tf_isp = -484016468, tf_ebx = 269781252, tf_edx = 1744834624,
tf_ecx = -947204083, tf_eax = 0, tf_trapno = 12, tf_err = 2,
tf_eip = -1071658876, tf_cs = 8, tf_eflags = 66050, tf_esp = -
452349504,
tf_ss = 0}) at ../../i386/i386/trap.c:448
#11 0xc01fc884 in ffs_fsync (ap=0xe3267f18)
at ../../ufs/ffs/ffs_vnops.c:150
#12 0xc01fb3ae in ffs_sync (mp=0xc786cc00, waitfor=3, cred=0xc16ee900,
p=0xdf500780) at vnode_if.h:558
#13 0xc019f315 in sync_fsync (ap=0xe3267f7c)
at ../../kern/vfs_subr.c:2861
#14 0xc019d517 in sched_sync () at vnode_if.h:558
You can take a look at the relevant files at:
ftp://ftp.gactr.uga.edu/pub/outgoing/dillon/smp-fault-512.tar.gz
which, unfortunately, this time is rather large as I did not impose any
memory limitations in that kernel build.
Hope to hear from soon.
Robin.
> > The core you gave me had definitely run out of KVM.
> >
>
> I increased the MAXUSERS to 512 as you suggested and the SMP kernel
>
> does seem to be holding now.
--
------------------------------------
Robin P. Blanchard
IT Program Specialist
Georgia Center for Continuing Ed.
fon: 706.542.2404 fax: 706.542.6546
email: Robin_Blanchard@gactr.uga.edu
------------------------------------
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