[PATCH] 2.4.2pre4 make loopback root work again

2001-02-21 Thread Barry K. Nathan
(Resending because I accidentally sent the original to vger.rutgers.edu.) The following patch allows (at least, when combined with loop-5B) loopback root mounting to work again. Without it, the boot process ends with something along the lines of "kernel panic: I have no root and I want to

Unmounting and ejecting the root fs on shutdown.

2001-02-21 Thread Per Erik Stendahl
Hi! I'm putting together a maintenance/rescue CD. It's bootable with RH6.2 (2.2.16) "installed" - ie the root fs is on the CD itself, no harddrives involved. I've run across a slight inconvenience: when I shutdown the CD is still locked in the drive. I have to power-off then power-on again to

[PATCH] Moxa Smartio driver

2001-02-21 Thread Tom Mraz
Hi all, I send you a patch to the Moxa Smartio driver in the 2.4.1 kernel. There are included the fixes which I've made to make my Moxa Smartio Card work. First there is backed out the wrong fix which was included in some of the 2.4.0-testxx version. Then there is a fix to the PCI lookup of the

a bug in multicast IP_ADD_MEMBERSHIP

2001-02-21 Thread yingxian_wang
Hi, Is there a bug in multicast IP_ADD_MEMBERSHIP that when you try to join a multicast group on a certain interface(the wildcard or unspecified interface), it will return with "no such device"? I am using redhat 6.1. If there is a bug, is it fixed? what is the patch number i should apply?

Re: ServeRaid 4M with IBM netfinity and kernel 2.4.x

2001-02-21 Thread Pim Zandbergen
On Fri, 16 Feb 2001 09:52:18 GMT, in fa.linux.kernel, Alan Cox wrote: I don't believe IBM have provided an 'official' 2.4 patch set for the serveraid yet so there may be bugs lurking. They have, but they keep it pretty well hidden. Version 4.50 of the ServeRAID driver seems to support kernel

Re: Network console project

2001-02-21 Thread Jan-Benedict Glaw
On Tue, Feb 20, 2001 at 07:11:26PM -0800, H. Peter Anvin wrote: Hi everyone, We have set up a network console project on sourceforge and are starting to work on actual details. If you're interested in this subject please do join that list. DEC's old protocol called MOP (Maintainence and

Re: Is this the ultimate stack-smash fix?

2001-02-21 Thread Xavier Bestel
Le 21 Feb 2001 01:13:03 +0100, Andreas Bombe a crit : On Tue, Feb 20, 2001 at 10:09:55AM +0100, Xavier Bestel wrote: Le 20 Feb 2001 02:10:12 +0100, Andreas Bombe a crit : On Sat, Feb 17, 2001 at 09:53:48PM -0700, Eric W. Biederman wrote: Peter Samuelson [EMAIL PROTECTED] writes: It

TEST IGNORE

2001-02-21 Thread David D.W. Downey
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

2.4 tcp very slow under certain circumstances (Re: netdev issues (3c905B))

2001-02-21 Thread Ookhoi
Hi! Another problem that I seem to have, of which I have had reports from clients, is that the server has problems talking to clients using modems This didn't occur before with the 2.2 series kernel (all other things held constant). It seems each time a client tries to load up any site on

Re: 2.4: maximum process size on i386?

2001-02-21 Thread Michal Vitecek
hello and thank you for your answers. "Albert D. Cahalan" [EMAIL PROTECTED] wrote: i have processes that have to be really over 1gb (database engines) but unfortnately, when one reaches over 900mb kswapd starts eating 50+% of 1 cpu and the whole thing gets slower. You didn't provide

Shared memory - 2.4.x

2001-02-21 Thread Thomas Foerster
Hi there, running "top" on a 2.2.18 Kernel showed me the ammount of memory shared. Now under 2.4.x "top" always displays "0" and i have mountet the tmpfs (if it's needed for that ?). Is shared memory gone? Is my "top" to old?! I think i've installed all needed versions as described in

Re: 2.4 tcp very slow under certain circumstances (Re: netdev issues (3c905B))

2001-02-21 Thread David S. Miller
Ookhoi writes: We have exactly the same problem but in our case it depends on the following three conditions: 1, kernel 2.4 (2.2 is fine), 2, windows ip header compression turned on, 3, a free internet access provider in Holland called 'Wish' (which seemes to stand for 'I Wish I had a

2.2.18: Remove bogus Wrong buffer length warnings from aha1542

2001-02-21 Thread Nick Holloway
I've just installed an AHA1542 SCSI card, and when performing a backup, I'm finding the kernel is spewing out the following message: Wrong buffer length supplied for request sense (256) This is because the sense_buffer is 16 bytes, but the buffer supplied is 256 bytes. Looking at the 2.4

RE: 2.4.1 under heavy network load - more info

2001-02-21 Thread Magnus Walldal
Hello! of errors a bit but I'm not sure I fully understand the implications of doing so. Until these numbers do not exceed total amount of RAM, this is exactly the action required in this case. OK! I actually expected 2.4 to be somewhat selftuning. But if I exceed the amount of

Re: 2.4 tcp very slow under certain circumstances (Re: netdev issues (3c905B))

2001-02-21 Thread Ookhoi
Hi David, We have exactly the same problem but in our case it depends on the following three conditions: 1, kernel 2.4 (2.2 is fine), 2, windows ip header compression turned on, 3, a free internet access provider in Holland called 'Wish' (which seemes to stand for 'I Wish I had a

Bug Report: System Crash - Memory Subsystem Problem.

2001-02-21 Thread Tres Melton
To: Memory management people. Subject:System Crash Stats: Dual PII 400MHz Supermicro P6DBE MoBo http://www.supermicro.com/PRODUCT/MotherBoards/440BX/p6dbe.htm 256MB ECC SDRAM 100MHz FSB 530136k Swap on SCSI

Re: QUOTA broken?

2001-02-21 Thread Alan Cox
Can someone confirm that the 2.4.1-ac15+ quota system is NOT broken? I am having problems running quota-2.00 on 2.4.1-ac15 although quota worked fine in 2.4.0. You need the newer quota utilities. -ac fixes the quota support to handle 32bit uids - To unsubscribe from this list: send the line

No Subject

2001-02-21 Thread Rajiv Majumdar
sorry.. the topic is bit off the track.. does hp-ux supports raw sockets? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at

Re: Linux 2.4.1-ac15

2001-02-21 Thread Alan Cox
This is a while back, but I thought the solution Philipp and I came up with was to simply used a rw semaphore for this, which was taken (read only) on page fault if we have to scan the exception table. We can take page faults in interrupt handlers in 2.4 so I had to use a spinlock, but that

Re: Shared memory - 2.4.x

2001-02-21 Thread Erik Mouw
On Wed, Feb 21, 2001 at 11:23:09AM +0100, Thomas Foerster wrote: running "top" on a 2.2.18 Kernel showed me the ammount of memory shared. Now under 2.4.x "top" always displays "0" and i have mountet the tmpfs (if it's needed for that ?). Is shared memory gone? Is my "top" to old?! I think

raw sockets

2001-02-21 Thread Rajiv Majumdar
sorry.. the topic is bit off the track.. does hp-ux supports raw sockets? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at

[ANNOUNCE] SUBTERFUGUE 0.2

2001-02-21 Thread Mike Coleman
SUBTERFUGUE 0.2 is available. It's been updated to work with the new 2.4 kernel and also includes a few other bug fixes and improvements. It's available in source or Debian package form. As always, feedback is welcome. --Mike

Re: [NFS] Re: problems with reiserfs + nfs using 2.4.2-pre4

2001-02-21 Thread Trond Myklebust
" " == Neil Brown [EMAIL PROTECTED] writes: - cannot do ".." lookups efficiently, or doesn't want to and - can protect against this sort of loop (and any other issues that the VFS usually protects against) itself then it can (with my patch) simply define

Problem with 2.2.19pre9 (Connection closed.)

2001-02-21 Thread Markus Germeier
Hello, after upgrading to 2.2.19pre9 (+ 2 NFS-patches, IPv6 enabled) idle connections tend to shut down without a visible reason: client-ssh server Last login: Mon Feb 19 2001 18:01:12 from client.domain Sun Microsystems Inc. SunOS 5.8 Generic February 2000 You have mail.

Re: 2.4 tcp very slow under certain circumstances (Re: netdev issues (3c905B))

2001-02-21 Thread Gregory Maxwell
On Wed, Feb 21, 2001 at 10:47:24AM +0100, Ookhoi wrote: [snip] We have exactly the same problem but in our case it depends on the following three conditions: 1, kernel 2.4 (2.2 is fine), 2, windows ip header compression turned on, 3, a free internet access provider in Holland called 'Wish'

Re: i82562ET LAN (i815) timeout/lockup with eepro100 driver

2001-02-21 Thread Jocelyn Mayer
The integrated LAN on Intel boards with i815 chipset apparently is not fully supported. In latest 2.2.x and 2.4.x, with the EtherExpress Pro100 driver, after some network traffic, it locks. The only way I can use the net again is either reboot, or ifconfig eth0 down; ifconfig

Re: [lkml]2.2.19pre13: Are there network problem with a low-bandwidth link?

2001-02-21 Thread Michèl Alexandre Salim
I also saw this when my 2.2.19pre12/13 workstation connected to a 2.2.19pre8 isdn-router. When downloading a large file via ftp at max speed, other connections don't 'get through'. Perhaps other people can agree/disagree on this? Jurriaan FWIW, that happens to me on the stock 2.4.1

How can I get kernel 2.2.19pre?

2001-02-21 Thread Thomas Lau
is it first download kernel 2.2.18 and goto alan dir download : www.kernel.org/pub/linux/kernel/people/alan/2.2.19pre/ ? and goto patch my kernel 2.2.18 ? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info

Bug report about the cable modem:

2001-02-21 Thread Thomas Lau
Thomas Lau wrote: config: NE2000-PCI NIC AMD K6-2+ 200 256M RAM LINUX-KERNEL-2.4.1-AC18 CABLE MODEM TYPE: - TERAYON - DHCP Problem: When I reboot system, it's OK but when I use a long time ( over 24 hours ) only receive or send light are flash on , another LED will not happen (

Looking for a way to trigger error on network adapter

2001-02-21 Thread Francois Romieu
Hello, Context: HDLC PCI adapter + line at 2 Mb/s + external traffic generator that fills the line with 5 to x1000 bytes frame. I want to see how my code bahaves during rare (?) events: an overflow of the RX fifo (256 bytes) and a TX underrun. It's my understanding that if the adapter pains

2.4.2-pre4 freezes, 2.4.2-pre3 ext2/scsi problem

2001-02-21 Thread A E Lawrence
-- A E Lawrence 2.4.2-pre4 freezes, 2.4.2-pre3 ext2/scsi problem This is a minimal report of a problem on a modestly overclocked but very well tested Athlon system. In view of the overclocking, it will require confirmation by others, and some

Re: Looking for a way to trigger error on network adapter

2001-02-21 Thread Alan Cox
I want to see how my code bahaves during rare (?) events: an overflow of the RX fifo (256 bytes) and a TX underrun. It's my understanding that if the adapter pains at DMAing, those errors should be triggered. Could I/O at a inocuous location (a well-choosen PCI register ?) be enough for

Re: Problem with 2.2.19pre9 (Connection closed.)

2001-02-21 Thread Alan Cox
after upgrading to 2.2.19pre9 (+ 2 NFS-patches, IPv6 enabled) idle connections tend to shut down without a visible reason: Yes I've seen this too. It seems that the tcp changes broke the keepalive handling somewhere when I leave a non Linux target idle. Dave - any ideas, shall we back it out

Re: Problem with 2.2.19pre9 (Connection closed.)

2001-02-21 Thread Jes Sorensen
"Alan" == Alan Cox [EMAIL PROTECTED] writes: after upgrading to 2.2.19pre9 (+ 2 NFS-patches, IPv6 enabled) idle connections tend to shut down without a visible reason: Alan Yes I've seen this too. It seems that the tcp changes broke the Alan keepalive handling somewhere when I leave a non

Re: Problem with 2.2.19pre9 (Connection closed.)

2001-02-21 Thread Markus Germeier
Jes Sorensen [EMAIL PROTECTED] writes: I only see this for connections with incoming traffic where I don't send something out (like irc), whereas unused ssh connections seem to survive fine. Just for the record: My example was an idle ssh connection! I believe Alan is correct. I can't

Re: [patch] VIA 4.2x driver for 2.2 kernels

2001-02-21 Thread Rogerio Brito
On Feb 21 2001, Vojtech Pavlik wrote: On Tue, Feb 20, 2001 at 11:15:02PM -0800, Shane Wegner wrote: Ok, can I still use -u1 -k1 -c1 on the drives or is it even necessary anymore. If you enable automatic DMA in the kernel config, it isn't necessary at all. The VIA driver sets up

Unable to handle kernel paging request x 3

2001-02-21 Thread Alberto Bertogli
This is the 3rd day in a row i got an oops. The only difference this time was the machine had one postgresql running, with mailsnarf, vmstat, apache and inetd; without any load. The oops (passed through ksymoops 2.4) is attached, with the dmesg. Linux sol 2.4.1 #3 SMP Wed Feb 14 18:14:33 ARST

Re: [patch] VIA 4.2x driver for 2.2 kernels

2001-02-21 Thread Rogerio Brito
On Feb 21 2001, Vojtech Pavlik wrote: Don't do that. Use the kernel option to enable DMA instead. You mean using hdparm can cause problems? Could you provide more details on the problems that could arise? I'm completely ignorant on the subject... []s, Roger...

Re: [lkml]2.2.19pre13: Are there network problem with a low-bandwidthlink?

2001-02-21 Thread TenThumbs
On Tue, 20 Feb 2001, Alan Cox wrote: Its normal tcp behaviour. Its something called the capture effect. You can mitigate it to an extent by using less buffers, but the buffer count in question is at the ISP end for a download, or by using smaller windows Some dumb questions. Does this

linux ac20 patch got error:

2001-02-21 Thread Thomas Lau
please check it, I got error when I patch , Thanks - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

Documentation about programming sk_buffers

2001-02-21 Thread Dragos, Radu
Does anyone know some good documentation about handling sk_buffers ? I'll need to work with them for some kind of filter. Thanks. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at

Linux 2.0.x Questions

2001-02-21 Thread Gabi Davar
Hello I have two questions regarding Linux 2.0.x 1. Did anybody tried running Linux 2.0.x on the Intel i840 chipset based boards? 2. Does anybody knows of a 2.0.x driver for Intel's 82543GC Gigabit Ethernet MAC (aka e1000) ? Thanks in advance, Best regards, Gabi Davar

Re: [lkml]2.2.19pre13: Are there network problem with a low-bandwidth

2001-02-21 Thread Alan Cox
Does this explain why the kernel sees bad segments? Do you know what changed between pre8 and pre10 so that I can undo it? Exactly which windows should be smaller? It doesnt explain bad segments. TCP windows - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the

Re: Reiserfs, 3 Raid1 arrays, 2.4.1 machine locks up

2001-02-21 Thread James A. Pattie
Colonel wrote: There seem to be several reports of reiserfs falling over when memory is low. It seems to be undetermined if this problem is actually reiserfs or MM related, but there are other threads on this list regarding similar issues. This would explain why the

[PATCHES] 3 of them, resubmit, over 2.4.1-ac20

2001-02-21 Thread Francis Galiegue
All are as attachments, I've submitted them separately over 2.4.1-ac16, these are remade over -ac20. Descriptions: * ac20-redundant-cpp-directive.patch: in arch/i386/kernel/irq.c:irq_affinity_write_proc, there was a redundant #if CONFIG_SMP .. #endif directive. This patch removes it. *

Re: [PATCHES] 3 of them, resubmit, over 2.4.1-ac20

2001-02-21 Thread Francis Galiegue
On Wed, 21 Feb 2001, Alan Cox wrote: Care to include the actual patches tho.. Argh! Brain damage... Sorry... -- Francis Galiegue, [EMAIL PROTECTED] - Normand et fier de l'tre "Programming is a race between programmers, who try and make more and more idiot-proof software, and universe,

Re: hang on mount, 2.4.2-pre4, VIA

2001-02-21 Thread Dan Christian
Some more info. I tried disabling the hdparm command, that didn't make the 2.4.2-pre4 mount succesfully. I tried 2.4.2-pre1 and that booted fine. I'll try pre2 and pre3 versions when I get a chance (thursday night) and see about turning up the log level, too. Here is the info on PCI and the

RE: [rfc] Near-constant time directory index for Ext2

2001-02-21 Thread Davide Libenzi
On 20-Feb-2001 Daniel Phillips wrote: Earlier this month a runaway installation script decided to mail all its problems to root. After a couple of hours the script aborted, having created 65535 entries in Postfix's maildrop directory. Removing those files took an awfully long time. The

Re: 2.4.1 under heavy network load - more info

2001-02-21 Thread kuznet
Hello! OK! I actually expected 2.4 to be somewhat selftuning. Defaults for these numbers (X,Y,Z) are very conservative. Interesting you say that, I looked at the logs and I see over 5000 sockets used, does'nt look peaceful to me. But you are absolutely right about the orphans. The error

128MB lost... where ?

2001-02-21 Thread Giuliano Pochini
Perhaps this is a faq... I have a dual-800 (mb asus, no AGP) with 1GB ram, but according to /proc/meminfo tells I only have 90KB. I tried "mem=1024" boot parameter without success. How can I get my 128MB back ? Bye. Giuliano Pochini -)|(- Shiny Corporation {AS6665} -)|(- - To

Re: Unable to handle kernel paging request x 3

2001-02-21 Thread Alberto Bertogli
Quoting Brian Gerst [EMAIL PROTECTED]: This one just looks really odd. I can't figure out where the faulting address (0x9fac) is coming from. It's not from the ret instruction, which should be getting a valid return address off the stack. Do you still have the raw oops message

PATCH: Via audio rate lock, for testing

2001-02-21 Thread Jeff Garzik
Can you guys test this patch, and let me know if it fixes Via audio problems on your kernel? It should apply against 2.4.1 or 2.4.1-acXX kernels. Note that it should be applied with "patch -p0" while in the linux kernel source directory, not applied with "patch -p1". Regards, Jeff

Re: [PATCH] to deal with bad dev-refcnt in unregister_netdevice()

2001-02-21 Thread Thomas Hood
Update on the "unregister_netdevice" bug ... Arnaldo Carvalho de Melo found one bug but there remains another one that makes the dev-refcnt too high instead of too low. To be continued ... Thomas - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message

RE: 128MB lost... where ?

2001-02-21 Thread Tigran Aivazian
Hi, free is not an interesting command. Much more interesting is the kernel messages on boot, e.g. on my laptop it looks like this: BIOS-provided physical RAM map: BIOS-e820: 0009fc00 @ (usable) BIOS-e820: 0400 @ 0009fc00 (reserved) BIOS-e820:

Re: [lvm-devel] *** ANNOUNCEMENT *** LVM 0.9.1 beta5 available at www.sistina.com

2001-02-21 Thread Christoph Hellwig
In article [EMAIL PROTECTED] you wrote: On Wed, Feb 21, 2001 at 02:49:17PM +1100, Richard Gooch wrote: You definately can mknod(2) on devfs. [..] So then why don't we simply create the VG ourself with the right minor number and use it as we do without devfs? We'll still have a global 256 VG

Re: Detecting SMP

2001-02-21 Thread Jeff Garzik
On Wed, 21 Feb 2001, Tigran Aivazian wrote: yes, just run the famous mptable program. If the machine is SMP then it will have a valid Intel MP 1.4 configuration tables so the program will show meaningful output. Does that allow you to detect multiple processors... or just an SMP board?

Re: Unable to handle kernel paging request x 3

2001-02-21 Thread Brian Gerst
Alberto Bertogli wrote: This is the 3rd day in a row i got an oops. The only difference this time was the machine had one postgresql running, with mailsnarf, vmstat, apache and inetd; without any load. The oops (passed through ksymoops 2.4) is attached, with the dmesg. Linux sol 2.4.1

Re: Reiserfs, 3 Raid1 arrays, 2.4.1 machine locks up

2001-02-21 Thread James A. Pattie
Colonel wrote: Sender: [EMAIL PROTECTED] Date: Wed, 21 Feb 2001 08:45:02 -0600 From: "James A. Pattie" [EMAIL PROTECTED] Colonel wrote: There seem to be several reports of reiserfs falling over when memory is low. It seems to be undetermined if this

Re: 128MB lost... where ?

2001-02-21 Thread Tigran Aivazian
On Wed, 21 Feb 2001, Tigran Aivazian wrote: On Wed, 21 Feb 2001, Giuliano Pochini wrote: Perhaps this is a faq... I have a dual-800 (mb asus, no AGP) with 1GB ram, but according to /proc/meminfo tells I only have 90KB. I tried "mem=1024" boot parameter without success. How

RE: 128MB lost... where ?

2001-02-21 Thread Desjardins, Kristian
as you can see, the above tells you exactly how many pages you have in each zone and the total number of usable pages. But even that is not relevant to your question. What is relevant is the number after the first "/" in the "Memory:" line and also the BIOS-e820 map, of course. Also, on

Re: Maybe a bug

2001-02-21 Thread Maciej W. Rozycki
On Mon, 19 Feb 2001, Matthias Kleine wrote: The problem appears on a machine using the pretty new ASUS CUVX-D Dual Socket 370 Motherboard, so there may be a chance for an unknown bug ;-). With NMI watchdog activated, a 2.4.x Kernel is not willing to boot on this machine, it just stops

Re: [lvm-devel] *** ANNOUNCEMENT *** LVM 0.9.1 beta5 available at www.sistina.com

2001-02-21 Thread Richard Gooch
[LVM list removed so I don't get the nastygram] Andrea Arcangeli writes: On Wed, Feb 21, 2001 at 02:49:17PM +1100, Richard Gooch wrote: You definately can mknod(2) on devfs. [..] So then why don't we simply create the VG ourself with the right minor number and use it as we do without

CWND always 2

2001-02-21 Thread Frank Contrepois
I try to figure aout the different values taken by snd_cwnd and after a little of work i find out that the number 2 is the maximum reached.. even when passing a 100MB file on a LAN can you explain that to me??? I'm working on a 2.4.1 kernel i386 i've tried out with proc and printk

Re: Detecting SMP

2001-02-21 Thread Tigran Aivazian
On Wed, 21 Feb 2001, Jeff Garzik wrote: On Wed, 21 Feb 2001, Tigran Aivazian wrote: yes, just run the famous mptable program. If the machine is SMP then it will have a valid Intel MP 1.4 configuration tables so the program will show meaningful output. Does that allow you to detect

Re: 128MB lost... where ?

2001-02-21 Thread Richard B. Johnson
On Wed, 21 Feb 2001, Giuliano Pochini wrote: Perhaps this is a faq... I have a dual-800 (mb asus, no AGP) with 1GB ram, but according to /proc/meminfo tells I only have 90KB. I tried "mem=1024" boot parameter without success. How can I get my 128MB back ? Bye. Giuliano

Re: Detecting SMP

2001-02-21 Thread Jay D Allen
What is the platform ( x86, Sparc, alpha or ?)? On sparc look in the bootprom (ls /proc/openprom) that works regardless of kernel SMP status. On Intel I think your out of luck, at least with the commonly available hardware/software. In theory there could be a bios-peeking structure in /proc

Re: [lvm-devel] *** ANNOUNCEMENT *** LVM 0.9.1 beta5 available at www.sistina.com

2001-02-21 Thread Andrea Arcangeli
On Wed, Feb 21, 2001 at 02:49:17PM +1100, Richard Gooch wrote: You definately can mknod(2) on devfs. [..] So then why don't we simply create the VG ourself with the right minor number and use it as we do without devfs? We'll still have a global 256 VG limit this way but that's not a minor

Re: Detecting SMP

2001-02-21 Thread Tigran Aivazian
On Wed, 21 Feb 2001, Tigran Aivazian wrote: yes, just run the famous mptable program. before I am snowed under with questions about where to get this program, here is the src and binaries that I use -- it is quite possible that there is a newer version (I suspect Ingo Molnar might know better

Re: Detecting SMP

2001-02-21 Thread Tigran Aivazian
yes, just run the famous mptable program. If the machine is SMP then it will have a valid Intel MP 1.4 configuration tables so the program will show meaningful output. Regards, Tigran On Tue, 20 Feb 2001, Burton Windle wrote: Hello. Is there a way, when running a non-SMP kernel, to detect or

Re: plugging in 2.4. Does it work?

2001-02-21 Thread Peter T. Breuer
"Jens Axboe wrote:" It will still cluster, the code above checks if the next bh is contigious -- if it isn't, then check if we can grow another segment. So you may be lucky that some buffer_heads in the chain are indeed contiguous, that's what the segment count is for. This is exactly the

RE: 128MB lost... where ?

2001-02-21 Thread Davide Libenzi
On 21-Feb-2001 Giuliano Pochini wrote: Perhaps this is a faq... I have a dual-800 (mb asus, no AGP) with 1GB ram, but according to /proc/meminfo tells I only have 90KB. I tried "mem=1024" boot parameter without success. How can I get my 128MB back ? Check Your BIOS setting coz some

Re: 128MB lost... where ?

2001-02-21 Thread Tigran Aivazian
On Wed, 21 Feb 2001, Giuliano Pochini wrote: Perhaps this is a faq... I have a dual-800 (mb asus, no AGP) with 1GB ram, but according to /proc/meminfo tells I only have 90KB. I tried "mem=1024" boot parameter without success. How can I get my 128MB back ? when you compile your

Problem with DMA buffer (in 2.2.15)

2001-02-21 Thread Christoph Baumann
Hello! I have the following problem. A user process wants to talk to a PCI board via DMA. The first step I did was to resolv the physical addresses of the data in user space. This works fine when writing to the device. But when reading the buffer isn't allocated and the physical addresses are

Re: plugging in 2.4. Does it work?

2001-02-21 Thread Peter T. Breuer
"A month of sundays ago Jens Axboe wrote:" The implementation in ll_rw_blk.c (and other places) assumes that a failed request just means the first chunk and it then makes sense to just end i/o on that buffer and resetup the request for the next buffer. If you want to completely scrap the

Re: plugging in 2.4. Does it work?

2001-02-21 Thread Jens Axboe
On Wed, Feb 21 2001, Peter T. Breuer wrote: I'm particularly concerned about the error behaviour. How should I set up the end_request code in the case when the request is to be errored? Recall that my end_request code is presently like this: io_spin_lock while

RE: 128MB lost... where ?

2001-02-21 Thread Desjardins, Kristian
On Wed, 21 Feb 2001, Tigran Aivazian wrote: when you compile your 2.4.x kernel make sure you set the "4G of RAM" option, i.e. CONFIG_HIGHMEM4G. If you chose "up to 1G" then it means "up to 986M" (or something like that) -- the number in Help is just rounded up ~~~ not

Re: [rfc] Near-constant time directory index for Ext2

2001-02-21 Thread Daniel Phillips
On Wed, 21 Feb 2001, Bernd Eckenfels wrote: In article 01022100361408.18944@gimli you wrote: But actually, rm is not problem, it's open and create. To do a create you have to make sure the file doesn't already exist, and without an index you have to scan on average half the directory

Re: Problem with 2.2.19pre9 (Connection closed.)

2001-02-21 Thread Jes Sorensen
"Markus" == Markus Germeier [EMAIL PROTECTED] writes: Markus Jes Sorensen [EMAIL PROTECTED] writes: I only see this for connections with incoming traffic where I don't send something out (like irc), whereas unused ssh connections seem to survive fine. Markus Just for the record: My example

Re: 2.4 tcp very slow under certain circumstances (Re: netdev issues (3c905B))

2001-02-21 Thread Ookhoi
Hi David! We have exactly the same problem but in our case it depends on the following three conditions: 1, kernel 2.4 (2.2 is fine), 2, windows ip header compression turned on, 3, a free internet access provider in Holland called 'Wish' (which seemes to stand for 'I Wish I had a

Re: linux ac20 patch got error:

2001-02-21 Thread Adam Schrotenboer
A rather incomprehensible message, so let's flesh this out a bit. Basically the problem occurs when patching linux/fs/reiserfs/namei.c It can't find it, presumably due to an error in 2.4.1, where it appears to me that reiserfs/ is located off of linux/ not linux/fs/. Simple to fix, I guess,

RE: 2.4 tcp very slow under certain circumstances (Re: netdev issues (3c905B))

2001-02-21 Thread Vibol Hou
Win2K here, I'll apply the patch and let you know what happens. -Vibol -Original Message- From: David S. Miller [mailto:[EMAIL PROTECTED]] Sent: Wednesday, February 21, 2001 2:57 AM To: [EMAIL PROTECTED] Cc: Vibol Hou; Linux-Kernel; [EMAIL PROTECTED] Subject: Re: 2.4 tcp very slow under

RE: 2.4 tcp very slow under certain circumstances (Re: netdev issues (3c905B))

2001-02-21 Thread Vibol Hou
It looks like the patch fixed the problem. TCP communications over modem seems fine now with the same settings that didnt' work earlier. -Vibol -Original Message- From: David S. Miller [mailto:[EMAIL PROTECTED]] Sent: Wednesday, February 21, 2001 2:57 AM To: [EMAIL PROTECTED] Cc: Vibol

Looking for linux sponser:

2001-02-21 Thread Thomas Lau
Hi everybody, I am looking for someone who can sponser to help me make asian fast ftp mirror, I live in HK, so the server will in HK The mirror target is China and Hong Kong, I hope someone will help about this, if you can help me to create this mirror site, please

partitions for RAID volumes?

2001-02-21 Thread rayn
Hi, Is there any chance that RAID volumes would support partitions like the hard-disk driver in the future? This could be handsome if you try to program a kernel driver for any of those RAID adapters (e.g. thinking of those Fasttrack or Highpoint lowcost IDE controllers). A RAID personality

Re: Reiserfs, 3 Raid1 arrays, 2.4.1 machine locks up

2001-02-21 Thread Colonel
From: "Tom Sightler" [EMAIL PROTECTED] Cc: [EMAIL PROTECTED] Date: Tue, 20 Feb 2001 14:43:07 -0500 Content-Type: text/plain; charset="iso-8859-1" I'm building a firewall on a P133 with 48 MB of memory using RH 7.0, latest updates, etc. and kernel 2.4.1.

downloading drive firmware to a fibre channel drive through linux

2001-02-21 Thread hiren_mehta
Hi, Is it possible to download a drive firmware to a fibre channel drive (or even a scsi drive) through linux ? I know that on NT (or 98) they use WNASPI and a utility provided by the drive manufacturer to download the firmware. I was wondering if this is possible through linux scsi interface.

Re: [rfc] Near-constant time directory index for Ext2

2001-02-21 Thread Davide Libenzi
On 21-Feb-2001 Martin Mares wrote: Hello! Have You tried to use skiplists ? In 93 I've coded a skiplist based directory access for Minix and it gave very interesting performances. Skiplists have a link-list like performance when linear scanned, and overall good performance in

Re: 'native files', 'object fingerprints' [was: sendpath()]

2001-02-21 Thread Pavel Machek
Hi! struct safe_kpointer { void *kaddr; unsigned long fingerprint[4]; }; the kernel can validate kaddr by 1) validating the pointer via the master fingerprint (every valid kernel pointer must point to a structure that starts with the master

Re: [patch] VIA 4.2x driver for 2.2 kernels

2001-02-21 Thread Vojtech Pavlik
On Wed, Feb 21, 2001 at 11:05:33AM -0300, Rogerio Brito wrote: On Feb 21 2001, Vojtech Pavlik wrote: On Tue, Feb 20, 2001 at 11:15:02PM -0800, Shane Wegner wrote: Ok, can I still use -u1 -k1 -c1 on the drives or is it even necessary anymore. If you enable automatic DMA in the kernel

Re: [rfc] Near-constant time directory index for Ext2

2001-02-21 Thread Martin Mares
Hello! Have You tried to use skiplists ? In 93 I've coded a skiplist based directory access for Minix and it gave very interesting performances. Skiplists have a link-list like performance when linear scanned, and overall good performance in insertion/seek/delete. Skip list

Re: Is sendfile all that sexy?

2001-02-21 Thread Pavel Machek
Hi! And no, I don't actually hink that sendfile() is all that hot. It was _very_ easy to implement, and can be considered a 5-minute hack to give a feature that fit very well in the MM architecture, and that the Apache folks had already been using on other architectures. The current

Re: Incorrect module init message..

2001-02-21 Thread Pavel Machek
Hi! -- Mike A. Harris - Linux advocate - Free Software advocate This message is copyright 2001, all rights reserved. Views expressed are my own, not necessarily shared by my employer.

Re: [rfc] Near-constant time directory index for Ext2

2001-02-21 Thread Martin Mares
Hello! To have O(1) you've to have the number of hash entries number of files and a really good hasing function. No, if you enlarge the hash table twice (and re-hash everything) every time the table fills up, the load factor of the table keeps small and everything is O(1) amortized, of

Porting to 2.4 info

2001-02-21 Thread Jay Miller
Since I had some trouble finding any porting info from 2.2 to 2.4, I wrote up a small amount of research I did on porting FSDs in hope that someone else might find it useful.. it can be found here: http://www.cryptofreak.org/projects/port/port-fs-2.4.html I'd also be grateful for any help, re:

Re: [rfc] Near-constant time directory index for Ext2

2001-02-21 Thread Davide Libenzi
On 21-Feb-2001 Martin Mares wrote: Hello! To have O(1) you've to have the number of hash entries number of files and a really good hasing function. No, if you enlarge the hash table twice (and re-hash everything) every time the table fills up, the load factor of the table keeps small

Re: Very high bandwith packet based interface and performance problems

2001-02-21 Thread Nye Liu
On Wed, Feb 21, 2001 at 11:58:23AM +, Alan Cox wrote: Dropping packets under load will make tcp do the right thing. You don't need complex mathematical models since dropping frames under load is just another form of congestion and tcp handles it pretty sanely Alan: thanks for your

Re: Problem with 2.2.19pre9 (Connection closed.)

2001-02-21 Thread David S. Miller
Alan Cox writes: Dave - any ideas, shall we back it out and work on it for 2.2.20 ? The one change which is probably causing this is non-critical, so let me study things quickly tonight and if I come up with nothing I'll show you what you can revert safely. Later, David S. Miller [EMAIL

Re: partitions for RAID volumes?

2001-02-21 Thread Neil Brown
On Wednesday February 21, [EMAIL PROTECTED] wrote: Hi, Is there any chance that RAID volumes would support partitions like the hard-disk driver in the future? Yep. See: http://www.cse.unsw.edu.au/~neilb/patches/linux/2.4.2-pre4/ You would need patches H,I,N,O,P,Q,R, and you should

Re: [rfc] Near-constant time directory index for Ext2

2001-02-21 Thread H. Peter Anvin
Martin Mares wrote: Hello! You're right. However, for each hash table operation to be O(1) the size of the hash table must be n. If we are talking about average case complexity (which is the only possibility with fixed hash function and arbitrary input keys), it suffices to have

Re: Unable to handle kernel paging request x 3

2001-02-21 Thread Keith Owens
On Wed, 21 Feb 2001 13:47:21 -0300 (ARST), Alberto Bertogli [EMAIL PROTECTED] wrote: Kernel panic: Attemped to kill the idle task! In idle task - not syncing This last line doesn't appear on the ksymoops report, i really dont know why it insists on cutting it. Because it has nothing to do

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