Re: race condition on looking up inodes

In article <000201c0c0a4$eb5c7b10$321ea8c0@saturn> you wrote: >rename("/usr/hybrid/cfg/data","/usr/mytemp/data1"); /*for process 1*/ > rename("/usr/mytemp/data1","/usr/test");/* for process 2*/ Rename syscall is expected to be atomic on unixoid systems. And I dont know of a case where a prob

Re: [BUG] tmpfs and loop

In article <01041321112600.23961@oscar> you wrote: > oscar% sudo mount /tmp/disk /snap -oloop -text2 > ioctl: LOOP_SET_FD: Invalid argument are you sure you have a working loop device? Try to verify it in a non tmpfs filesystem. > stat64("/dev/loop0", {st_mode=S_IFBLK|0660, st_rdev=makedev(7, 0)

Re: fsck, raid reconstruction & bad bad 2.4.3

In article <[EMAIL PROTECTED]> you wrote: >>(There is no config file to disable/alter this .. no work-around that I >>know of ..) > You can't be serious. Go sit down and think about what's going on. Well, there are two potential solutions: a) stop rebuild until fsck is fixed b) wait with fsck

Re: fsck, raid reconstruction & bad bad 2.4.3

In article <[EMAIL PROTECTED]> you wrote: > Is this a pathological case because of the way fsck does business, or does the RAID >re-sync affect any disk-bound process that severely? i gues the seeks are the problem. fsck will quite heavyly reposition, so does the rebuild, most likely on differen

Re: fsck, raid reconstruction & bad bad 2.4.3

In article <01041521302600.15046@tabby> you wrote: >>a) stop rebuild until fsck is fixed > And let fsck read bad data because the raid doesn't yet recognize the correct > one a degraded raid will not deliver broken data. and even if it does, one more reason not to check a degraded raid. > T

Re: ARP responses broken!

In article <[EMAIL PROTECTED]> you wrote: > The second one is the valid one, but both interfaces seem to answer to the > broadcasted packet with their own ARP addresses. it is because the kernel does not know if both interfaces are on one subnet, or not. The easisets thing to solve this is t use

Re: ARP responses broken!

> but why would you want it to reply for the IP of the other interface even if > it was NOT on the same subnet? Because Linux is always answering to all its local IP addresses, regardless of the Network interface. Even if you tun off the IP Forwarding. This is by Designs, there are situation whe

Re: light weight user level semaphores

In article <[EMAIL PROTECTED]> you wrote: > So FS_create() starts out by allocating the backing store for the > semaphore. This can basically be done in user space, although the > kernel does need to get involved for the second part of it, which > is to (a) allocate a kernel "backing store

Re: Kernel executation from ROM

In article <01e701c09a2a$21e789a0$bba6b3d0@Toshiba> you wrote: > I see . The biggest negative point of running kernel from ROM is that ROM > speed is slow :( Well, normally you use the ROM only as a "boot device". You copy the Kernel into RAM and run it. Ram is not more expensive than ROM :) Wha

Re: ip_conntrack error under 2.4.1-ac18

In article <[EMAIL PROTECTED]> you wrote: > Feb 18 23:05:50 rhino kernel: ip_conntrack: maximum limit of 8184 entries exceed > ed > while running nessus, with 100 simultaneous connections set, against a > company machine. This is the first time I've observed this error. It is not an error, you

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

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 file. Unless you use a File System which is be

Re: reiserfs: still problems with tail conversion

In article <87861.983061717@tiny> you wrote: > Exactly. The tail conversion code depends heavily on the page up to date > bit being set right. It is more than possible that I've screwed up > something there, and the code thinks a page is valid when it really isn't. I have seen null byte cor

Re: ide / usb problem

In article <20010225060326.K127@pervalidus> you wrote: > hda: dma_intr: status=0x51 { DriveReady SeekComplete Error } > hda: dma_intr: error=0x84 { DriveStatusError BadCRC } I think I saw that with broken Drives, too. Greetings Bernd - To unsubscribe from this list: send the line "unsubscribe li

Re: Journaling: Surviving or allowing unclean shutdown?

In article <[EMAIL PROTECTED]> you wrote: > Also thing about cases where powerplant fails, or when electricity in > the house fails. I've seen places where electricity failed 5 times a > day, because someone put 10A fuse and we were using just about 2kW... Especially evil is a power failure, and

Re: unexplained high load

In article <[EMAIL PROTECTED]> you wrote: > 91 processes, only 1 running (think top) 1 Running Process -> Load 1.0... no? Gruss Bernd - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/

Re: BUG in 2.4.0: dd if=/dev/random of=out.txt bs=10000 count=100

In article <[EMAIL PROTECTED]> you wrote: > If I do the dd line in the title under 2.4.0 I get an > out.txt file of 591 bytes. /dev/random will only give you as much bytes as are available. and even then you should not do it cause you drain the random pool. Use /dev/urandom instead. Greetings Ber

Re: PROBLEM: select() on TCP socket sleeps for 1 tick even if data available

In article <[EMAIL PROTECTED]> you wrote: > My problem is that if data is NOT available when select() > starts, but becomes available immediately afterwards, select() > doesn't wake up immediately, but sleeps for 1/100 second. It does not sleep for a 1/100second, it will but the process in the ru

the remount problem [2.4.0] kind of solved [patch]

Hello, the following patch against 2.4.0 will allow the kernel to write a message to the kernel log in case files are open for write or delete on a partition which should be remounted. I run my System with Read-Only /usr File System and this works fairly well. I have a script to remount the diff

Re: [PATCH] - filesystem corruption on soft RAID5 in 2.4.0+

In article <[EMAIL PROTECTED]> you wrote: > There have been assorted reports of filesystem corruption on raid5 in > 2.4.0, and I have finally got a patch - see below. > I don't know if it addresses everybody's problems, but it fixed a very > really problem that is very reproducable. Do you know i

Re: the remount problem [2.4.0] kind of solved [patch]

Hello, for Short: I had a mail exchange with Vic Abell, the lsof Author, and in the next Version of lsof the open shared libs will be detected. So my Kernel Patch is no longer needed: # ~root/rw # rm /usr/lib/jabber/jsm/libjsm.so # ~root/ro mount: /usr busy # lsof_4.55A.linux/lsof -a +L1 /usr CO

Re: Turning off ARP in linux-2.4.0

In article <[EMAIL PROTECTED]> you wrote: > Now for the long version of the problem. I am using the TurboLinux > ClusterServer 6.0 product. This product uses what they refer to as > an advanced traffic manager that has the ip address of the web site > aliased to eth0. Thus this machine arps fo

Re: Advanced Linux Kernel/Enterprise Linux Kernel

In article <[EMAIL PROTECTED]> you wrote: > But also scalability: 2TB is a problem for me in some cases, 32bit just don't > cut it all the time - but I need to circumvent the storage problem even on a > 32bit system. And adding disks to the system while running is desireable. Why do you run 32bit

Re: Missing ACKs with Linux 2.2/2.4?

In article <[EMAIL PROTECTED]> you wrote: > Sorry, ignoring some values of timestamp is simply impossible. > It is PAWS. One packet is more than enough to kill you. 8) Hmm... Isnt this only important for the first SYN with a Zero Timestamp which is not very critical for PAWS? Greetings Bernd - T

Re: Missing ACKs with Linux 2.2/2.4?

In article <[EMAIL PROTECTED]> you wrote: > Timestamp is not a random number, so that probability of PAWS failure > does not depend on restricting it at all. The only thing which can help > to reduce probability is dropping all tpacket with ts_val==0 > or shutting down your machine while time of y

Re: beware of dead string constants

In article <[EMAIL PROTECTED]> you wrote: > This is mostly a heads-up to say that in this regard gcc is not ready > for prime time, so we really can't get away with using if() as an ifdef > yet, at least not without penalty. Humm.. whats the Advantage of this? Greetings Bernd - To unsubscribe fr

Re: beware of dead string constants

In article <[EMAIL PROTECTED]> you wrote: > If you mean preferring 'if ()' over 'ifdef'... Linus. :) And I agree > with him: code looks -much- more clean without ifdefs. And the > compiler should be smart enough to completely eliminate code inside an > 'if (0)' code block. Oh I see. Well... h

Re: Booting into /bin/bash

In article <00091121173500.17171@tabby> you wrote: However, ^C does not stop anything. No signal gets sent to anybody. I don't want to make it too large because it won't fit on a floppy if I do. >>> >>> That means you don't have a controlling tty. >> >>But why is /dev/console not a tt

Re: [RFC] Wine speedup through kernel module

In article <[EMAIL PROTECTED]> you wrote: > (1) An in-kernel resident lump, providing very basic services: > * file-change notification this is interesting for other stuff too, i think irix has an interface for that, i think its an ioctl? > * unicode string handling/conversion (ste

Re: /proc/sys/vm/freepages not writable.

In article <[EMAIL PROTECTED]> you wrote: > How about taking a decaying average (loadavg style) of the peak allocation-free why? I think it is not a bad thing if you have some kind of setting like "irq heavy system" <-> "applicaion heavy system" even in NT you hve this slider. The current probl

Re: [patch] net/ipv4/net.c

In article <[EMAIL PROTECTED]> you wrote: > On a side note, does it/will it be implemented in the future? it was implemented and it is phased out. It is only present to be compatible. One would do that with user space arp daemons or auto_arp. Greetings Bernd - To unsubscribe from this list: send

Re: unfair stress on non memory allocating apps while swapout (in 2.4)

On Sat, Oct 21, 2000 at 12:22:00PM -0200, Rik van Riel wrote: > > as the proccess is killed. But still i wonder why the swap out > > is such unfair to the rest of the system, especially to a > > process which is not actually allocating memory at all. > > Look again ... "tail /dev/zero" allocates

Re: unfair stress on non memory allocating apps while swapout (in 2.4)

In article <[EMAIL PROTECTED]> you wrote: > I know it does thats why i have run that tool- The question is still, why > gets my system unusable in the same second my systems starts to page out? To follow up on myself: the question was why are programs which do not allocate memory be delayed while

Re: Topic for discussion: OS Design

In article <[EMAIL PROTECTED]> you wrote: > A few years ago, there was an intense debate around the question of > cooperative vs. preemptive multitasking operating system design. Today, > however, cooperative multitasking is a thing of the past, and it is virtual= > ly > undisputed that the preem

Re: unfair stress on non memory allocating apps while swapout (in 2.4)

On Mon, Oct 23, 2000 at 02:21:11PM -0200, Rik van Riel wrote: > 1) some process allocates gobs of memory > 2) the kernel swaps out memory from all processes > 3) some of the other - partly swapped out - processes >wake up and need to be swapped in > 4) these other processes have to ALLOCATE ME

Re: unfair stress on non memory allocating apps while swapout (in 2.4)

In article <000b01c03bef$17e43c30$0200a8c0@W2K> you wrote: > PS this is my first post to lkml so please keep that in mind... > PPS ... so, was I right? yes welcome, thanks for reminding me of that. And i think exactly that point could be a bit optimized. Greetings Bernd - To unsubscribe from thi

Re: [BUG?] two swapping processes freeze 2.4.0-test10 (but not 2.2.18pre19)

In article <[EMAIL PROTECTED]> you wrote: > I simultaneously run "top d1" and two of the test computations. All is > well (top updates smoothly) until physical RAM is exhausted. However, as > soon as swap is touched, then top freezes and does not update. In this > state, I can switch virtual c

Re: [PATCH] document ECN in 2.4 Configure.help

In article <[EMAIL PROTECTED]> you wrote: > I'm still not sure why it's been decided not to do fallback or how this > whole situation is any different from path MTU discovery. Because this will add a Fallback (non ECN) packet to every denied target. I think this is bad policy at least. It might v

Re: Missing ACKs with Linux 2.2/2.4?

In article <[EMAIL PROTECTED]> you wrote: > The cobalt machines have now had a kernel upgrade (only to 2.2.14, thats > the most recent that Cobalt provide...), and the problem has > disappeared. Should we ignore "timestamp 0" if there are systems out there which will break on that. Or is timestam

Re: ANNOUNCE: Linux Kernel ORB: kORBit

In article <[EMAIL PROTECTED]> you wrote: > This email is here to announce the availability of a port of ORBit (the > GNOME ORB) to the Linux kernel. OMG you guys are so cool :) Hey, this is real craftsmanship (not sure if it useful :) Does this revamp the Micro Kernel Discussin? ONLY KIDDING :

Re: ANNOUNCE: Linux Kernel ORB: kORBit

In article <[EMAIL PROTECTED]> you wrote: > Why would you *ever* want to write a device driver in perl??? Actually there is kind of device driver in perl, and besides it's performance I think it proofed that a High-Level Language can do good for rapid prototyping. http://www.inter-mezzo.org - a

Re: /dev/random: really secure?

In article <[EMAIL PROTECTED]> you wrote: > A potential weakness. The entropy estimator can be manipulated by > feeding data which looks random to the estimator, but which is in fact > not random at all. That's why feeding randomness is a priveledgedoperation. Greetings Bernd - To unsubscribe f

Re: /dev/random: really secure?

In article <[EMAIL PROTECTED]> you wrote: > Even if you were able to predict all entropy sources, to predict the generated > random numbers you would need to invert the cryptographic hash used there. If you can predict ALL input in the pool, including the initial boot state you can just rerun the

Re: Presentation Layer in TCP/IP linux implementation

In article <[EMAIL PROTECTED]> you wrote: > Hello Linux World, > Is there a way to add a generic and transparent presenation layer in the > path of TCP/IP packets. I am speaking about something probably in the > path between the user space mechanims (send/recv/read/write) and the > actual sock_se

Re: 2.4.0 kernels and vpn

In article <[EMAIL PROTECTED]> you wrote: > Hi. Is there a way to support vpn in the 2.4.0 kernels like we had > with the patch for the 2.2.x kernels? What kind of VPN, there are all kinds of User mode solutions, some for kernel modules. Are you talking about IPSec? Greetings Bernd - To unsubsc

Re: TCP keepalive seems to send to only one port

In article <[EMAIL PROTECTED]> you wrote: > Well, consider the scenario of an application which opens a control connection > and a data connection, and the data connection remains idle for some hours > while you get to the beginning of the queue, and then the transfer starts. The > data connection

Re: test13-pre5 + char-major-145??

In article <[EMAIL PROTECTED]> you wrote: > What may be calling this? Any advice where to go ferreting? Somebody may try to open the device file. Greetings Bernd - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read th

Re: will ip 6 in ip4 tunnelling be fixed anytime soon ?

In article <[EMAIL PROTECTED]> you wrote: > Is there an ETA on having ip6 in ip4 tunnelling working with the latest > net-utils?? what is the problem? Do u have a bug or do u mean general IPv6 Support? There are a lot of unoficial IPv6 Packages, Debian has a good Collection, and we are trying to

Re: will ip 6 in ip4 tunnelling be fixed anytime soon ?

On Sat, Oct 07, 2000 at 11:07:18PM -0700, Gerhard Mack wrote: > [root@innerfire /root]# ifconfig sit0 tunnel ::206.123.31.102 > SIOCSIFDSTADDR: No buffer space available what are you trying to do with this command? In case you want to set the IPv4 Endpoint of the Tunnel you should set the IPv4 Ad

Re: will ip 6 in ip4 tunnelling be fixed anytime soon ?

On Mon, Oct 09, 2000 at 11:44:34AM +0200, Jorg de Jong wrote: > your just a bit off here, I believe Gerhard has posted this bug > a number of times, further more I have submitted a fix for this > bug, but has still not been accepted. Neither has there been any feedback > on why ? the address for

unfair stress on non memory allocating apps while swapout (in 2.4)

Hello, with 2.4.0-test10-pre2 (possibly long before that version) i still can bring the system to a halt while "tail /dev/zero" is running. I don't complain that you can make a DOS by a trshing system, cause I can use ulimit to actually avoid that. But if i use the tail /dev/zero with nice as a

[PATCH] missing \n in printk of oom_kill.c

the oom_kill will output a kernel message without missing \n: --- mm/oom_kill.c.org Sun Oct 15 06:18:24 2000 +++ mm/oom_kill.c Sun Oct 15 06:18:45 2000 @@ -156,7 +156,7 @@ if (p == NULL) panic("Out of memory and no killable processes...\n"); - printk(KERN_ER

Re: Status of posix-ACL's

In article you wrote: > What are the biggest problems? (i know that many userland-tools must be > changed for this). AFAIK there is no Support in User Land Programs required. You just have additional tools for managing the ACLs . The main problem

Re: Alert on LAN for Linux?

In article <[EMAIL PROTECTED]> you wrote: > Alert on LAN makes the system up from power management type sleep when > there are packets to be processed. Why you would ever have sleep mode on > a server is beyond me. Most professional UPS with Network Management Cards can go a sever to sleep mode

Re: kernel 2.4.2 network performances

In article <[EMAIL PROTECTED]> you wrote: > Yesterday I discovered that the load I can throw out to network seems to > depend on other activities running on machine. I was able to get > throughput of 33M/s with ATM when machine was idle, while I compiled > kernel at same time, the throughput was 1

Re: pivot_root & linuxrc problem

In article <[EMAIL PROTECTED]> you wrote: > Aha.. so that's it. I've never been able to get /linuxrc to execute > automagically. I wonder why /linuxrc executes on Art's system, but > not on mine. I can call it whatever I want and it doesn't run unless > I explicitly start it with init=whatever.

Re: Turning off ARP in linux-2.4.0

In article <[EMAIL PROTECTED]> you wrote: > The snippet you posted doesn't describe what ClusterThingy exactly wants > to do with ARPs. Andi, it is simple. There are 3 machines on one net with the same IP Address. Two of them run a web server and one of them a packet redirector. The packet redir

Re: Turning off ARP in linux-2.4.0

In article <[EMAIL PROTECTED]> you wrote: > So in the setup I have, we have an ATM which gets all incoming requests > for the web site. And then we have 7 other machines that get the > requests passed onto them by the ATM. You can hardwire the ARP entry of your redirector to your Router. In that

Re: Turning off ARP in linux-2.4.0

In article <[EMAIL PROTECTED]> you wrote: > The problem is complex and can't be solved with ifconfig -arp why? > The needs for clusters with shared addresses include: > 1. block ARP replies for such addresses -arp will do that > 2. don't announce these addresses in the ARP probes

Re: PROBLEM: select() on TCP socket sleeps for 1 tick even if data available

> can someone explain what is nagle or pinpoint explanation :) nagel's algorithm is used to "wait" with sending of small packets until more data is available, because sending biger packets has less overhead. greetings Bernd - To unsubscribe from this list: send the line "unsubscribe linux-kernel

Re: Turning off ARP in linux-2.4.0

In article <[EMAIL PROTECTED]> you wrote: >> -arp will do that > Not in Linux 2.2+, all addresses are replied. -arp only > means "don't talk ARP", in our case we talk through eth0, so we don't > want to stop it, right? why not? if you hard wire the MAC Address of your web servers to all ot

Re: Turning off ARP in linux-2.4.0

On Thu, Jan 25, 2001 at 01:02:32PM +0200, Julian Anastasov wrote: > Hey, the world is not only Linux. Sometimes the people build > clusters using different hardware and software. If your solution works > for your setup we can't claim it is universal. It is a Linux News Group after all. So d

Re: hotmail not dealing with ECN

In article <[EMAIL PROTECTED]> you wrote: > Just curious if others have noticed that hotmail is unable to deal with > ECN and wondering if this is a standard that should be encouraged, as in > should I tell hotmail that perhaps they should look into supporting it, or > should I not waste my breath

Re: 2.2.19pre6/7: why can't I dump core?

In article <[EMAIL PROTECTED]> you wrote: > I've done a quick inspection of pre7 patch set and noticed about the > same thing. Is this an oversight, did someone intentionally turn off > core dumping until some other widget is incorporated into the patches, > or none of the above (a conspiracy, ma

Re: hotmail not dealing with ECN

In article <[EMAIL PROTECTED]> you wrote: > RFC793, where is lists the unused flag bits as "reserved". > That is pretty clear to me. It just has to say that > they are reserved, and that is what it does. Actually I read somehwre "must be 0", but I am afraid dont know where anymore. anyway, it do

Re: hotmail not dealing with ECN

In article <[EMAIL PROTECTED]> you wrote: >> Think of yourself as a firewall author now. You come across this, and >> go, "these bits aren't used now; this means noone should be setting >> them. I have no guarantee that anything in the future isn't going to use >> these bits for something that i

Re: Request: increase in PCI bus limit

In article <[EMAIL PROTECTED]> you wrote: > 256, in later 2.4.* kernel releases? That would allow this customer to > work with an unpatched kernel, at the cost of an additional 3.5 kB of > variables in the kernel. Don't think this is fairly common. So especially since I consider that kind of har

Re: Request: increase in PCI bus limit

In article <[EMAIL PROTECTED]> you wrote: > I guess the cleanest solution would be to allow variable setting of the > maximum number of PCI busses in the config file, similar to the > CONFIG_UNIX98_PTY_COUNT setting, so that "exotic" users with 32+ PCI > busses can boost the standard value accordi

Re: sendfile+zerocopy: fairly sexy (nothing to do with ECN)

In article <[EMAIL PROTECTED]> you wrote: > On Tue, Jan 30, 2001 at 02:17:57PM -0800, David S. Miller wrote: > 8.5MB/sec sounds like half-duplex 100baseT. > No; I'm 100% its FD; HD gives 40k/sec TCP because of collisions and > such like. > Positive you are running at full duplex all th

[2.4.1] mkreiserfs on loopdevice freezes kernel

Hello, if I run mkreiserfs on a 32megablocks /dev/loop0 it will lock up while generating the journaling information. Sometimes at 20% sometimes at 60%. Since mkreiserfs is not using the kernel module i guess this is a loop device problem in 2.4.1 kernels. There is no dmesg message at the lookup.

reiserfs min size (was: [2.4.1] mkreiserfs on loopdevice freezes kernel)

On Wed, Jan 31, 2001 at 09:24:39AM +, James Sutherland wrote: > 32 megaBLOCK?? How big is it in Mbytes? Blocksize is 4k, mkreiserfs in my version is telling me it can not generate partitions smaller than 32M but it is not true, i have to do dd if=/dev/zero of=/var/loop.img count=32768 size=4

Re: reiserfs min size (was: [2.4.1] mkreiserfs on loopdevice freezes kernel)

On Wed, Jan 31, 2001 at 11:15:56PM +, James Sutherland wrote: > > dd if=/dev/zero of=/var/loop.img count=32768 size=4096 > > That just creates a 128Mb file of zeros... This sounds a bit small. Why > "size=4096"?? because i am too tired to calculate. mkreiserfs wants 32768 (32*1024) blocks wi

Re: more git updates..

In article <[EMAIL PROTECTED]> you wrote: > Ralph wrote: >> Watch out for when xargs invokes do_something more than once and the `<' >> is parsed by a different one than the `>'. > It will take a pretty long list to do that. It seems that > GNU xargs on top of a Linux kernel has a 128 KByte ARG_MA

Re: more git updates..

In article <[EMAIL PROTECTED]> you wrote: > (I repeat the xxx in the leaf name - easier to code.) It is a bit OT, but just a note: there are file systems (hash functions) out there who dont like a lot of files named the same way. For example NTFS with the 8.3 short names. Greetings Bernd - To uns

Re: [PATCH encrypted swsusp 1/3] core functionality

In article <[EMAIL PROTECTED]> you wrote: > The ssh keys are *encrypted* in the swap when dmcrypt is used. > When the swap runs over dmcrypt all writes including those from > swsusp are encrypted. The problem is that after an resume the running system has access to the swap, because the key is rec

Re: [PATCH encrypted swsusp 1/3] core functionality

In article <[EMAIL PROTECTED]> you wrote: > The dmcrypt swap can only be unlocked by the user with a passphrase, > which is analogous to how you unlock your ssh private key stored > on the disk using a passphrase. We talk about the unlocked system getting hacked. However I am not why the hacker wo

Re: missing sysrq

In article <[EMAIL PROTECTED]> you wrote: > However, if I go to /proc/sys/kernel/sysrq does not exist. It is a compile time option, so the person who compiled your kernel left it out. > vm.freepages = 383 766 1149 tat feature is removed in recent VM Systems. Greetings Bernd - To unsubscribe fr

Re: a 15 GB file on tmpfs

In article <[EMAIL PROTECTED]> you wrote: > The machine we plan to buy is a HP Proliant Xeon machine and I want to run a > 32 bit linux kernel on it (the xeon we want doesn't have the 64-bit stuff > yet) You cant have 16GB of Memory with 32bit CPUs. Bernd - To unsubscribe from this list: send t

Re: a 15 GB file on tmpfs

On Fri, Jul 22, 2005 at 01:00:18PM +0200, Stefan Smietanowski wrote: > > You cant have 16GB of Memory with 32bit CPUs. > PAE > CONFIG_HIGMEM64G > Supports a 36bit address space, which Xeons do support. Yes right, I was just not aware recent hardware (still) supports that. I mean even mit 2MB modul

Re: RTC Timezone

In article <[EMAIL PROTECTED]> you wrote: > My RTC clock is set to the local timezone. However, when I boot linux using > the -b option, to stop by a shell before the bootscripts begin, the clock is > exaclty two hours ahead. The problem is that the clock is correct, but the timezone of your sys

Re: More performance for the TCP stack by using additional hardware chip on NIC

In article <[EMAIL PROTECTED]> you wrote: > maybe one day you would be able to offload your firewall and policy > router too :) There are quite a few filtering NICs out there. Greetings Bernd - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EM

Re: Why Ext2/3 needs immutable attribute?

In article <[EMAIL PROTECTED]> you wrote: > Why not simply unset the write bit for all three groups of users? > That seems to be enough to prevent file modification. # touch test # chmod a-w test # echo test > test # cat test test Because this does not protect against writes from root and it doe

Re: Why Ext2/3 needs immutable attribute?

In article <[EMAIL PROTECTED]> you wrote: > Yes. I know, with immutable, even root cannot modify sensitive > files. What I am curious is if an intruder has root access, he may > have many ways to turn off the immutable protection and modify files. If you secure your system correctly (i.e make /

Re: Why Ext2/3 needs immutable attribute?

On Sun, Apr 17, 2005 at 07:48:50PM -0400, Xin Zhao wrote: > any kernel level protection, including > SELinux, could be disabled after the kernel is compromised. Am I > missing some points here? No, Immutable bit is an application of capabilities (or securelevel), you are right. If the kernel is c

Re: ia64 git pull

In article <[EMAIL PROTECTED]> you wrote: > Why? Because I'm still using the stupid "get all objects" thing when I > pull. one could do a symlink/hardlink parallel tree for a specific snapshot with GIT tools, and then only poll that with git-unaware copy tools. I guess this would make sense for t

Re: Swap partition vs swap file

In article <[EMAIL PROTECTED]> you wrote: > I guess/hope dd always makes it contiguously. No, it is creating files by appending just like any other file write. One could think about a call to create unfragmented files however since this is not always working best is to create those files young or

Re: Swap partition vs swap file

In article <[EMAIL PROTECTED]> you wrote: > You misunderstood entirely what I said. There is no portable/documented way to grow a file without having the file system null its content. However why is that a problem, you dont create those files very often. Besides it is better for the OS to be able

Re: Swap partition vs swap file

In article <[EMAIL PROTECTED]> you wrote: > So are you saying that if I create a swap partition it's best to use dd to > zero it out before mkswap? Nope I did not. However I dont know of any other shell tool which can do it that easyly. > As far as portable, we're talking about linux, portability

Re: Power consumption HZ100, HZ250, HZ1000: new numbers

In article <[EMAIL PROTECTED]> you wrote: > No, I'm saying that 99% users enable ACPI and cpufreq. ACPI is needed > on new machines, and cpufreq is usefull to keep your desktop cold, > too. And with the recent ongoing packing of CPU cores into racks, it is even more so important for Servers. Grus

Re: [ANNOUNCE] DSFS Network Forensic File System for Linux Patches

In article <[EMAIL PROTECTED]> you wrote: > I mean, nvidia people also use propietary code in the kernel (probably > violating the GPL anyway) and don't do such things. The Linux kernel allows binary drivers, you just have to live with a limited number of exported symbols and that the kernel is ta

Re: [ANNOUNCE] DSFS Network Forensic File System for Linux Patches

In article <[EMAIL PROTECTED]> you wrote: > I disagree with the language and the characterization that our > proprietary user application code is "tainted." The kernel is tainted if you install non-open source modules. You are not allowed to circumvent this mechanism if you want to ship binary on

Re: GFS, what's remaining

In article <[EMAIL PROTECTED]> you wrote: > for ocfs we have tons of production customers running many terabyte > databases on a cfs. why ? because dealing with the raw disk froma number > of nodes sucks. because nfs is pretty broken for a lot of stuff, there > is no consistency across nodes when e

Re: [ANNOUNCE] DSFS Network Forensic File System for Linux Patches

In article <[EMAIL PROTECTED]> you wrote: >> The Linux kernel allows binary drivers, you just have to live with a limited >> number of exported symbols and that the kernel is tainted. Which basically >> means nobody sane can help you with corrupted kernel data structures. > > You appear to be conf

Re: [ANNOUNCE] DSFS Network Forensic File System for Linux Patches

On Sun, Sep 04, 2005 at 09:45:31AM +0100, Alan Cox wrote: > Non GPL modules are required not to be derivative works (a term of law). > The EXPORT_SYMBOL information is merely advisory to help seperate > symbols. In many cases its purely historical as to whether a symbol is > marked _GPL or not. Ye

Re: GFS, what's remaining

On Mon, Sep 05, 2005 at 04:16:31PM +0200, Lars Marowsky-Bree wrote: > That is the whole point why OCFS exists ;-) The whole point of the orcacle cluster filesystem as it was described in old papers was about pfiles, control files and software, because you can easyly use direct block access (with A

Re: The ext3 way of journalling

In article <[EMAIL PROTECTED]> you wrote: > Just to clarify, I had about 60 days of uptime, and hence at least > 60 days since the last FS check/mount/etc., when Linux crashed those > few days ago, and wanted to start checking disks with "9192 days since > last file system check". This, however so

Re: Devices/Partitions over 2TB

In article <[EMAIL PROTECTED]> you wrote: > You have to ignore the partition table contents for ending cylinder. Why use MSDOS partition tables at all? What about LVM or GUID Partitions? Gruss Bernd - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message

Re: [CHECKER] crash after fsync causing serious FS corruptions (ext2, 2.6.11)

Hello Ted, In article <[EMAIL PROTECTED]> you wrote: > Should we fix it today? Given that we have ext3, I'd probably answer > no. It's a known property of ext2; we've lived with it for over ten > years, and to add this would just slow down ext2 (which gets used > often as benchmark standard to a

Re: [Bug 4081] New: OpenOffice crashes while starting due to a threading error

In article <[EMAIL PROTECTED]> you wrote: > stat64("/dev/dri/card14", 0xbff9c8bc) = -1 ENOENT (No such file or > directory) > What is at fault? Certainly oo shouldn't just seg-fault, but should the > permissions on /dev/dri/card* be crw-rw or crw-rw-rw-? it is not a permission thing, it te

Re: [RFC] "biological parent" pid

In article <[EMAIL PROTECTED]> you wrote: > I am not aware of concepts in Linux or other unices that apply to this > case. Normal process accounting. If you want to keep the pid of the bio-parent, you also need to keep the start-time to make it unique. Better would be to have a all-time-unqiue pr

Re: Drive performance bottleneck

In article <[EMAIL PROTECTED]> you wrote: > Below is an oprofile (truncated) of (the same) dd running on /dev/sdb. do you also have the oprofile of the sg_dd handy? Greetings Bernd - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTE

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