RE: 4.8 panic "ffs_clusteralloc: map mismatch"

2003-07-16 Thread k.j.koster
Dear Andrew,

> 
> My system has brand new MB (supermicro dual proc mainbord 
> with U160 SCSI & 
> fxp NIC integrated), P3 processor & memory (btw, ECC memory). 
> Other components are not-so-new, but they worked flawlessly 
> for about a year with another MB. 
>
There is a little memory tester at memtest86.com that I always use on new systems. It 
works a bit like a pregnancy test: if it saysyou have memory errors, you have memory 
errors. If it says no errors, you still don't know if you have any.

Memory errors are hard to spot and may require subtle combinations of all systems 
components to crop up. Having said that, I found that most systems remain stable if 
they pass both a night of memtest86 and a make -j 8 world.

Kees Jan

=
 You can't have everything.  Where would you put it?
 [Steven Wright]
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RE: ping: sendto: No buffer space available

2003-02-06 Thread k.j.koster
Dear All,

>
> : --- if_ep.c Fri Feb  1 19:51:43 2002
> : +++ if_ep.c.fix Sat Feb  9 12:49:31 2002
> : @@ -571,7 +571,6 @@
> :  
> : if (status & (S_RX_COMPLETE | S_RX_EARLY)) {
> : epread(sc);
> : -   continue;
> : }
> : if (status & S_TX_AVAIL) {
> : /* we need ACK */
> 
> Committed this, and a couple other touch-ups to current.
>
I haven't been experiencing these lockups, but since the most recent buildworld I seem 
to have it (once so far, doing a large ports build on an NFS mount to verify).

I looked at the code of if_ep.c and I see that the continue is indeed not there.

Here's the version of if_ep.c that I have:
$FreeBSD: src/sys/dev/ep/if_ep.c,v 1.95.2.3 2002/03/06 07:26:35 imp Exp $

This is a 3com Ethlerlink III pccard thingy, by the way.

angua% uname -a
FreeBSD angua.research.kpn.com 4.7-STABLE FreeBSD 4.7-STABLE #20: Thu Feb  6 12:12:56 
CET 2003 [EMAIL PROTECTED]:/usr/obj/usr/src/sys/ANGUA  i386
angua% ifconfig ep0
ep0: flags=a843 mtu 1500
inet  netmask 0xf800 broadcast 139.63.199.255
ether 00:60:08:23:20:5d
media: Ethernet 10baseT/UTP
angua% dmesg | grep ep0
ep0: <3Com Etherlink III 3C589> at port 0x240-0x24f irq 11 slot 0 on pccard0
ep0: Ethernet address 00:60:08:23:20:5d

Kees Jan

=
 You can't have everything.  Where would you put it?
 [Steven Wright]

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