Re: 7-STABLE NFS: fatal: "select lock: Permission denied"

2011-04-04 Thread Gary Palmer
On Mon, Apr 04, 2011 at 06:44:21PM -0700, Chuck Swiger wrote: > If you can, anyway-- but maildir is becoming more commonly used with the > growing popularity of Cyrus and Dovecot compared with UWash IMAP (which did > mbox and mbx). Avoid UWash IMAP like the plague is my suggestion. It has locki

Re: Revisit of older discussion on Intel em0 timeouts etc.

2011-04-04 Thread YongHyeon PYUN
On Mon, Apr 04, 2011 at 11:21:50AM -0500, Adriel Torres wrote: > Hi, > > I am new to this list and have been reading on the "tcp bug" and "bge > discussions" and wanted to share what I was experiencing with a 8.2 FreeBSD > DNS Server I had recently deployed. Basically, with an em0 interface, link

Re: 7-STABLE NFS: fatal: "select lock: Permission denied"

2011-04-04 Thread Chuck Swiger
Hi, Rick-- On Apr 4, 2011, at 5:24 PM, Rick Macklem wrote: >> On Apr 4, 2011, at 11:09 AM, Marc G. Fournier wrote: >> Be careful; multiple access from different processes even on a single >> host can still run into locking issues against NFS filesystems, or >> data corruption if locking isn't avai

Re: Setting up a running FreeBSD/PCBSD system to enter kgdb on panic

2011-04-04 Thread Garrett Cooper
On Mon, Apr 4, 2011 at 5:26 PM, Julian Elischer wrote: > On 4/4/11 4:35 PM, David Somayajulu wrote: >> >> Hi All, >> Is there some way I can setup a running FreeBSD - (I use PCBSD7.2) - to >> break into kgdb when the system panics. I am trying to get a stack trace >> when "Fatal trap 12: page faul

Re: Setting up a running FreeBSD/PCBSD system to enter kgdb on panic

2011-04-04 Thread Eitan Adler
On Mon, Apr 4, 2011 at 7:35 PM, David Somayajulu wrote: > Hi All, > Is there some way I can setup a running FreeBSD - (I use PCBSD7.2) - to break > into kgdb when the system panics. I am trying to get a stack trace when > "Fatal trap 12: page fault while in kernel mode" happens. debug.debugger_

Re: Setting up a running FreeBSD/PCBSD system to enter kgdb on panic

2011-04-04 Thread Julian Elischer
On 4/4/11 4:35 PM, David Somayajulu wrote: Hi All, Is there some way I can setup a running FreeBSD - (I use PCBSD7.2) - to break into kgdb when the system panics. I am trying to get a stack trace when "Fatal trap 12: page fault while in kernel mode" happens. thanks david S. sure but firstly h

Re: 7-STABLE NFS: fatal: "select lock: Permission denied"

2011-04-04 Thread Rick Macklem
> On Apr 4, 2011, at 11:09 AM, Marc G. Fournier wrote: > > 'k, based on someone else's recommendation, I add 'nolockd' to the > > mount entry,a nd postfix now appears to work ... since I can safely > > guarantee that only the one host will have access to these files, > > that doesn't pose a porblem

Setting up a running FreeBSD/PCBSD system to enter kgdb on panic

2011-04-04 Thread David Somayajulu
Hi All, Is there some way I can setup a running FreeBSD - (I use PCBSD7.2) - to break into kgdb when the system panics. I am trying to get a stack trace when "Fatal trap 12: page fault while in kernel mode" happens. thanks david S. This message and any attached d

Re: 7-STABLE NFS: fatal: "select lock: Permission denied"

2011-04-04 Thread Marc G. Fournier
Thank you, this answers things perfectly ... On Mon, 4 Apr 2011, Chuck Swiger wrote: On Apr 4, 2011, at 12:37 PM, Marc G. Fournier wrote: Okay, next question ... if lockd is running, should fcntl locks work? My read of the NFS_README.html above indicates to me that they should ... but if t

Re: 7-STABLE NFS: fatal: "select lock: Permission denied"

2011-04-04 Thread Chuck Swiger
On Apr 4, 2011, at 12:37 PM, Marc G. Fournier wrote: > Okay, next question ... if lockd is running, should fcntl locks work? My > read of the NFS_README.html above indicates to me that they should ... but if > that is the case, then it comes back to why doesn't it? If rpc.lockd was bug-free and

Re: 7-STABLE NFS: fatal: "select lock: Permission denied"

2011-04-04 Thread Marc G. Fournier
On Mon, 4 Apr 2011, Chuck Swiger wrote: On Apr 4, 2011, at 12:14 PM, Marc G. Fournier wrote: OK-- Cyrus IMAP uses a variant of maildir, so you're relatively safe even if locking is not available. So, just to get this clear ... If I were to boot a diskless station using an NFS backend, then

Re: 7-STABLE NFS: fatal: "select lock: Permission denied"

2011-04-04 Thread Chuck Swiger
On Apr 4, 2011, at 11:09 AM, Marc G. Fournier wrote: > 'k, based on someone else's recommendation, I add 'nolockd' to the mount > entry,a nd postfix now appears to work ... since I can safely guarantee that > only the one host will have access to these files, that doesn't pose a > porblem for me

Re: 7-STABLE NFS: fatal: "select lock: Permission denied"

2011-04-04 Thread Chuck Swiger
On Apr 4, 2011, at 12:14 PM, Marc G. Fournier wrote: >> OK-- Cyrus IMAP uses a variant of maildir, so you're relatively safe even if >> locking is not available. > > So, just to get this clear ... > > If I were to boot a diskless station using an NFS backend, then that instance > would be prone

Re: 7-STABLE NFS: fatal: "select lock: Permission denied"

2011-04-04 Thread Marc G. Fournier
On Mon, 4 Apr 2011, Chuck Swiger wrote: On Apr 4, 2011, at 11:58 AM, Marc G. Fournier wrote: Be careful; multiple access from different processes even on a single host can still run into locking issues against NFS filesystems, or data corruption if locking isn't available. You're most at ris

Re: 7-STABLE NFS: fatal: "select lock: Permission denied"

2011-04-04 Thread Chuck Swiger
On Apr 4, 2011, at 11:58 AM, Marc G. Fournier wrote: >> Be careful; multiple access from different processes even on a single host >> can still run into locking issues against NFS filesystems, or data >> corruption if locking isn't available. You're most at risk with local >> delivery to an mbo

Re: 7-STABLE NFS: fatal: "select lock: Permission denied"

2011-04-04 Thread Marc G. Fournier
On Mon, 4 Apr 2011, Chuck Swiger wrote: On Apr 4, 2011, at 11:09 AM, Marc G. Fournier wrote: 'k, based on someone else's recommendation, I add 'nolockd' to the mount entry,a nd postfix now appears to work ... since I can safely guarantee that only the one host will have access to these files,

Re: 7-STABLE NFS: fatal: "select lock: Permission denied"

2011-04-04 Thread Marc G. Fournier
'k, based on someone else's recommendation, I add 'nolockd' to the mount entry,a nd postfix now appears to work ... since I can safely guarantee that only the one host will have access to these files, that doesn't pose a porblem for me, but still find it a weird issue all things considered :(

Re: em(4) hang [Was: Re: igb(4) won't start with "igb0: Could not setup receive structures"]

2011-04-04 Thread Jack Vogel
Thanks for the good news, this change will need to go into the other drivers also. Jack On Mon, Apr 4, 2011 at 9:11 AM, Arnaud Lacombe wrote: > Hi Jack, > > On Fri, Apr 1, 2011 at 2:55 PM, Jack Vogel wrote: > > Arnaud, > > > > Please try the code change I just checked into HEAD, it should fin

Revisit of older discussion on Intel em0 timeouts etc.

2011-04-04 Thread Adriel Torres
Hi, I am new to this list and have been reading on the "tcp bug" and "bge discussions" and wanted to share what I was experiencing with a 8.2 FreeBSD DNS Server I had recently deployed. Basically, with an em0 interface, link states would show changes from up to down constantly under very little o

Re: em(4) hang [Was: Re: igb(4) won't start with "igb0: Could not setup receive structures"]

2011-04-04 Thread Arnaud Lacombe
Hi Jack, On Fri, Apr 1, 2011 at 2:55 PM, Jack Vogel wrote: > Arnaud, > > Please try the code change I just checked into HEAD, it should finally > resolve any hang that is due to mbufs not being refreshed. That's not > to say there may not be other reasons out there but I'm keeping my > fingers cr

Re: The tale of a TCP bug

2011-04-04 Thread John Baldwin
On Saturday, April 02, 2011 7:58:23 am Stefan `Sec` Zehl wrote: > Hi I'm back :) > > On Fri, Apr 01, 2011 at 01:40 +0200, Stefan `Sec` Zehl wrote: > > I'll of course monitor this value and report back if I ever see it > > increase :-) > > It did: > > | ice:~>uptime > | 1:45PM up 2 days, 17:01,

Re: Network stack unstable after arp flapping

2011-04-04 Thread Steve Polyack
On 4/3/2011 9:50 AM, Frederique Rijsdijk wrote: Steve, On 01-04-11 16:50, Steve Polyack wrote: On 04/01/11 10:16, Frederique Rijsdijk wrote: [ .. ] Mar 31 18:36:12 srv01 kernel: arp: x.x.x.1 moved from 00:00:0c:9f:f0:3d to 00:00:0c:07:ac:3d on bge0 [ .. ] The result of that, is that loads o

Current problem reports assigned to freebsd-net@FreeBSD.org

2011-04-04 Thread FreeBSD bugmaster
Note: to view an individual PR, use: http://www.freebsd.org/cgi/query-pr.cgi?pr=(number). The following is a listing of current problems submitted by FreeBSD users. These represent problem reports covering all versions including experimental development code and obsolete releases. S Tracker

Re: Network stack unstable after arp flapping

2011-04-04 Thread K. Macy
On Mon, Apr 4, 2011 at 12:22 PM, Frederique Rijsdijk wrote: > Hi Kip, > > Thanks. Any idea btw why this would also effect hosts that run 6.x and 7.x > RELEASE versions? These do not have the flowtable sysctl. Uhm ... no. That would definitely be unrelated. I'm just taking their word for it. And

Re: Network stack unstable after arp flapping

2011-04-04 Thread Frederique Rijsdijk
Hi Kip, Thanks. Any idea btw why this would also effect hosts that run 6.x and 7.x RELEASE versions? These do not have the flowtable sysctl. -- Frederique On Mon, Apr 04, 2011 at 12:09:05PM +0200, K. Macy wrote: > Correct. Set it to zero and the flowtable will be bypassed. > > flowtable.c:

Re: Network stack unstable after arp flapping

2011-04-04 Thread K. Macy
Correct. Set it to zero and the flowtable will be bypassed. flowtable.c: static uint32_t ipv6_flow_lookup_hash_internal( struct sockaddr_in6 *ssin6, struct sockaddr_in6 *dsin6, uint32_t *key, uint16_t flags) { uint16_t sport, dport; uint8_t proto; int of

Re: Network stack unstable after arp flapping

2011-04-04 Thread Frederique Rijsdijk
Kip, Which sysctl are we talking about exactly? Just to be sure.. net.inet.flowtable.enable ? -- Frederique On Sun, Apr 03, 2011 at 08:11:33PM +0200, K. Macy wrote: > I don't think it was properly tested when it was enabled for IPv6. > Given that I have been absentee it really should not be

Re: Hello

2011-04-04 Thread Fabien Thomas
Sorry for the noise, i've missed the dest... > Hi Kip, > > Feels good to see you again! > > Fabien > ___ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-uns

Hello

2011-04-04 Thread Fabien Thomas
Hi Kip, Feels good to see you again! Fabien ___ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"

Re: mbuf clusters exhaustion & keglimit

2011-04-04 Thread Vlad Galu
On Mon, Apr 4, 2011 at 8:48 AM, Eugene Grosbein wrote: > Hi! > > I'm running several loaded PPPoE access servers based on FreeBSD > 8.2-STABLE/amd64 > with em and igb network interfaces and 4GB RAM. No memory-intensive tasks > other than routing about 2Gbit/s (1G "in" and a bit less "out"). > > k

Re: mbuf clusters exhaustion & keglimit

2011-04-04 Thread Eugene Grosbein
On 04.04.2011 14:15, Vlad Galu wrote: > "vmstat -z -M vmcore" says that system was out of mbuf clusters: > > ITEM SIZE LIMIT USED FREE REQUESTS > FAILURES > mbuf_cluster:2048, 10, 10,0, 18897242, > 317691 > > I'