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Date:      19 Nov 1995 18:40:26 GMT
From:      hsu@cs.hut.fi (Heikki Suonsivu)
To:        clinet-list-freebsd-current@clinet.fi
Subject:   Re: Total lookup under -CURRENT (me too)
Message-ID:  <HSU.95Nov19204026@shadows.cs.hut.fi>
In-Reply-To: peter@haywire.dialix.com's message of 19 Nov 1995 19:02:00 %2B0200
References:  <199511191312.OAA00303@keltia.freenix.fr>, <199511191510.HAA11190@MediaCity.com> <48nn6q$sb6$1@haywire.DIALix.COM>

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In article <48nn6q$sb6$1@haywire.DIALix.COM> peter@haywire.dialix.com (Peter Wemm) writes:
   brian@MediaCity.com (Brian Litzinger) writes:
   >> Hello, hate to bear bad  news but I've got  two total lock-ups in the  last
   >> I don't have a dump as the system lock up without a panic. I'll add DDB and
   >> see if there is any difference.

   >Just thought I'd let you know I experience similar behavior.

   I'm afraid I've got to add a 'me too'...  I hadn't been recording it,

metoo

   I've not been able to get a crash dump.  dmesg is always reset each
   time.  Unfortunately the machine is remote and unattended.  I had
   though of hooking up a serial console that I could monitor from one of
   the machines next to it, but the machine doesn't have any serial
   ports....

   So, we have a machine that silently reboots with no way of knowing
   what is causing it...

I get lockup almost every time the kernel puffs this out:

messages.0:Nov 11 04:43:24 katiska /kernel: nfsd send error 55
*LOCKUP*

messages.0:Nov 11 06:56:43 katiska /kernel: in_rtqtimo: adjusted rtq_reallyold t
o 710
messages.0:Nov 11 09:19:14 katiska /kernel: nfs send error 55 for server hauki.c
linet.fi:/m/hauki/customer
messages.0:Nov 11 09:19:16 katiska /kernel: nfs send error 55 for server hauki.c
linet.fi:/m/hauki/bc
messages.0:Nov 11 09:19:16 katiska /kernel: nfsd send error 55
messages.0:Nov 11 09:26:10 katiska /kernel: nfs send error 55 for server hauki.c
linet.fi:/m/hauki/bc
messages.0:Nov 11 09:39:56 katiska /kernel: nfs server hauki.clinet.fi:/m/hauki/
bc: not responding
messages.0:Nov 11 09:40:07 katiska /kernel: nfs server hauki.clinet.fi:/var: not
 responding
messages.0:Nov 11 09:40:35 katiska /kernel: nfs server hauki.clinet.fi:/m/hauki/
customer: not responding
messages.0:Nov 11 09:42:45 katiska /kernel: nfs server hauki.clinet.fi:/var: is 
alive again
messages.0:Nov 11 09:42:48 katiska /kernel: nfs server hauki.clinet.fi:/m/hauki/
bc: is alive again
messages.0:Nov 11 09:42:49 katiska /kernel: nfs server hauki.clinet.fi:/m/hauki/
customer: is alive again
messages.0:Nov 11 10:27:15 katiska /kernel: nfs send error 55 for server hauki.c
linet.fi:/m/hauki/customer
*LOCKUP*

nfsd(s) getting killed from a 1.1.5.1 server seems to be a way to exhibit
this.  I haven't gotten any dumps since last -current upgrade, the systems
always lock up or panic but leave no dump.  Systems without lots of nfs
mounts and access seem much more stable.  2.2-current kernel is from
mid-november.

Other fancy things, in addition to various SCSI problems every now and
then:

messages.1:Nov  4 09:18:35 katiska /kernel: Data modified on freelist: word 12 o
f object 0xf17fc100 size 256 previous type NFS node (0xc6 != 0xdeadc0de)
messages.1:Nov  4 09:32:39 katiska /kernel: Data modified on freelist: word 12 o
f object 0xf16fd400 size 256 previous type NFS node (0xc6 != 0xdeadc0de)
messages.1:Nov  4 09:33:01 katiska /kernel: Data modified on freelist: word 12 o
f object 0xf191a100 size 256 previous type NFS node (0xc6 != 0xdeadc0de)
messages.1:Nov  4 09:48:00 katiska /kernel: Data modified on freelist: word 12 o
f object 0xf17c8400 size 132 previous type NFS node (0xc6 != 0xdeadc0de)
messages.1:Nov  4 10:54:41 katiska /kernel: Data modified on freelist: word 12 o
f object 0xf17a1300 size 256 previous type NFS node (0xc6 != 0xdeadc0de)
messages.1:Nov  4 11:16:54 katiska /kernel: Data modified on freelist: word 12 o
f object 0xf15cb700 size 256 previous type NFS node (0xc6 != 0xdeadc0de)
messages.1:Nov  4 11:23:30 katiska /kernel: Data modified on freelist: word 12 o
f object 0xf15a0400 size 256 previous type NFS node (0xc6 != 0xdeadc0de)
messages.1:Nov  4 11:48:13 katiska /kernel: ed0: warning - receiver ring buffer 
overrun
messages.1:Nov  4 13:10:17 katiska /kernel: Data modified on freelist: word 12 o
f object 0xf1746e00 size 256 previous type NFS node (0xc6 != 0xdeadc0de)
messages.1:Nov  4 13:21:08 katiska /kernel: Data modified on freelist: word 12 o
f object 0xf1b0c700 size 256 previous type NFS node (0xc6 != 0xdeadc0de)
messages.1:Nov  4 13:32:00 katiska /kernel: Data modified on freelist: word 12 o
f object 0xf1878000 size 256 previous type NFS node (0xc6 != 0xdeadc0de)
messages.1:Nov  4 14:14:21 katiska /kernel: Data modified on freelist: word 12 o
f object 0xf15ce100 size 132 previous type NFS node (0xc6 != 0xdeadc0de)

These don't seem to be (directly) harmful, though, as the system usually
does not crash right after these.

-- 
Heikki Suonsivu, T{ysikuu 10 C 83/02210 Espoo/FINLAND,
hsu@cs.hut.fi  home +358-0-8031121 work -4513377 fax -4555276  riippu SN



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