Re: busmaster question

2001-04-28 Thread Jeremy Jackson
daniel sheltraw wrote: > Hello kernel listees > > I have a busmaster question I am hoping you can help me with. > If a PCI device is acting as a busmaster and the processor initiates a > read/write to another device on the PCI bus while the busmater-device is in > control of the bus what happens

Re: Block device strategy and requests

2001-04-26 Thread Jeremy Jackson
Malcolm Beattie wrote: > I'm designing a block device driver for a high performance disk > subsystem with unusual characteristics. To what extent is the > limited number of "struct request"s (128 by default) necessary for > back-pressure? With this I/O subsystem it would be possible for the >

Re: Block device strategy and requests

2001-04-26 Thread Jeremy Jackson
Malcolm Beattie wrote: I'm designing a block device driver for a high performance disk subsystem with unusual characteristics. To what extent is the limited number of struct requests (128 by default) necessary for back-pressure? With this I/O subsystem it would be possible for the strategy

Re: Event tools, do they exist

2001-04-25 Thread Jeremy Jackson
I think all of this has been done... you should check out the Linux Trace Toolkit. george anzinger wrote: > This is an attempt to look in the wheel locker. > > I need a simple event sub system for use in the kernel. I envision at > least two types of events: the history event and the timing

Re: Event tools, do they exist

2001-04-25 Thread Jeremy Jackson
I think all of this has been done... you should check out the Linux Trace Toolkit. george anzinger wrote: This is an attempt to look in the wheel locker. I need a simple event sub system for use in the kernel. I envision at least two types of events: the history event and the timing event.

Re: [PATCH] Single user linux

2001-04-24 Thread Jeremy Jackson
Alan Cox wrote: > > so what the hell is transmeta doing with mobile linux (midori). > > is it going to teach multi-user thing to tablet owners? > > Thats you problem. Distinguish the OS from the user interface. > > > surely mortals expect midori to behave like their pc. lets say > > on redhat,

Re: [PATCH] Single user linux

2001-04-24 Thread Jeremy Jackson
Alan Cox wrote: so what the hell is transmeta doing with mobile linux (midori). is it going to teach multi-user thing to tablet owners? Thats you problem. Distinguish the OS from the user interface. surely mortals expect midori to behave like their pc. lets say on redhat, they have to

Re: linux timer performance ?

2001-04-19 Thread Jeremy Jackson
Praveen Rajendran wrote: > hi > > I am working on a kernel module which requires the addition of a large > number of kernel timers to expire statistical values ( including time > ) maintained in a table. > > One alternative would be to use a single timer and traverse the entire > table and use

Re: Is there a way to turn file caching off ?

2001-04-19 Thread Jeremy Jackson
Helge Hafting wrote: > Jeremy Jackson wrote: > > > currently all the kernel's heuristics are feed-back control loops. > > what you are asking for is a feed-forward system: a way for the application > > to tell kernel "I'm only reading this once, so after I'm done, t

Re: Is there a way to turn file caching off ?

2001-04-19 Thread Jeremy Jackson
Helge Hafting wrote: Jeremy Jackson wrote: currently all the kernel's heuristics are feed-back control loops. what you are asking for is a feed-forward system: a way for the application to tell kernel "I'm only reading this once, so after I'm done, throw it out straight

Re: linux timer performance ?

2001-04-19 Thread Jeremy Jackson
Praveen Rajendran wrote: hi I am working on a kernel module which requires the addition of a large number of kernel timers to expire statistical values ( including time ) maintained in a table. One alternative would be to use a single timer and traverse the entire table and use the

Re: Is there a way to turn file caching off ?

2001-04-18 Thread Jeremy Jackson
Bjorn Wesen wrote: > A similar phenomenon happens when you simply copy a file - file A is read > into the cache and file B is written to the cache, until the memory runs > out. Then both start to flush at the same time, creating a horrible in this example only file B needs uses IO when being

Re: I can eject a mounted CD

2001-04-18 Thread Jeremy Jackson
Giuliano Pochini wrote: > >> >> That's not the point. The kernel should not allow someone to > >> >> eject a mounted media. > >> > > >> > rpm -e magicdev > >> > >> Magicdev is not installed. > >> Ok, I'm the only one with this problem, I'll manage to find the bug by myself. > > > > eject(1) line

Re: I can eject a mounted CD

2001-04-18 Thread Jeremy Jackson
Giuliano Pochini wrote: That's not the point. The kernel should not allow someone to eject a mounted media. rpm -e magicdev Magicdev is not installed. Ok, I'm the only one with this problem, I'll manage to find the bug by myself. eject(1) line 36: If the device is

Re: Writing to Pana DVD-RAM

2001-04-14 Thread Jeremy Jackson
[EMAIL PROTECTED] wrote: > Hello, > > I am running RedHat Wolverine (beta) with kernel 2.4.2. I have a SCSI subsystem >(AHA2740) with a Panasonic LF-D101 DVDRAM on it. > > I read that the CDROM driver is built to recognize DVDRAMs and allow writes; well I >can mount and read the UDF file

Re: Zero Copy IO

2001-04-09 Thread Jeremy Jackson
Douglas Gilbert wrote: > "Alex Q Chen" <[EMAIL PROTECTED]> wrote: > > > I am trying to find a way to pin down user space > > memory from kernel, so that these user space buffer > > can be used for direct IO transfer or otherwise > > known as "zero copying IO". Searching through the > > Internet

Re: Zero Copy IO

2001-04-09 Thread Jeremy Jackson
Douglas Gilbert wrote: "Alex Q Chen" [EMAIL PROTECTED] wrote: I am trying to find a way to pin down user space memory from kernel, so that these user space buffer can be used for direct IO transfer or otherwise known as "zero copying IO". Searching through the Internet and reading

Userspace TCP sequence number control?

2001-04-05 Thread Jeremy Jackson
Hello, If there's a forum more specifically dedicated to 2.4 networking, please point me in the right direction, otherwise please consider the following. (I'm on lkml so you don't need to CC: me) Is there a way to set the sequence number sent in the SYN response to an incoming connnection

Userspace TCP sequence number control?

2001-04-05 Thread Jeremy Jackson
Hello, If there's a forum more specifically dedicated to 2.4 networking, please point me in the right direction, otherwise please consider the following. (I'm on lkml so you don't need to CC: me) Is there a way to set the sequence number sent in the SYN response to an incoming connnection

Re: /proc/config idea

2001-04-03 Thread Jeremy Jackson
Alan Cox wrote: > > a module for 2.4.3 will work for any 2.4.3 kernel that supports modules > > at all (except for the SMP vs UP issue) so it's not the same thing as > > trying to figure out which if the 2.4.3 kernels matches what you are > > running. > > Nope. The 2.4 kernel ABI depends upon a

Re: /proc/config idea

2001-04-03 Thread Jeremy Jackson
Alan Cox wrote: a module for 2.4.3 will work for any 2.4.3 kernel that supports modules at all (except for the SMP vs UP issue) so it's not the same thing as trying to figure out which if the 2.4.3 kernels matches what you are running. Nope. The 2.4 kernel ABI depends upon a mixture of

Re: /proc/config idea

2001-04-02 Thread Jeremy Jackson
Jeff Garzik wrote: > Jeremy Jackson wrote: > > Yes, I like this. I do this manually, it allows reproducability, and > > incremental > > modifications, tracing how that kernel on that problem system was made... > > > > I think the ultimate would be to put all o

Re: /proc/config idea

2001-04-02 Thread Jeremy Jackson
Ian Soboroff wrote: > [sorry this doesn't have proper References: headers, i read the list > off the hypermail archive.] > > there was some discussion of whether the kernel should emit a > /proc/config or some such for purposes of bug reporting, but that > seems to be a lot of bloat. > >

Re: /proc/config idea

2001-04-02 Thread Jeremy Jackson
Ian Soboroff wrote: [sorry this doesn't have proper References: headers, i read the list off the hypermail archive.] there was some discussion of whether the kernel should emit a /proc/config or some such for purposes of bug reporting, but that seems to be a lot of bloat. instead, why

Re: /proc/config idea

2001-04-02 Thread Jeremy Jackson
Jeff Garzik wrote: Jeremy Jackson wrote: Yes, I like this. I do this manually, it allows reproducability, and incremental modifications, tracing how that kernel on that problem system was made... I think the ultimate would be to put all of .config (gzipped?) in a new ELF section

Re: Linux Worm (fwd)

2001-03-23 Thread Jeremy Jackson
Dax Kelson wrote: > Gerhard Mack said once upon a time (Fri, 23 Mar 2001): > > > On Fri, 23 Mar 2001, Bob Lorenzini wrote: > > > > > I'm annoyed when persons post virus alerts to unrelated lists but this > > > is a serious threat. If your offended flame away. > > > > This should be a wake up

Re: Linux Worm (fwd)

2001-03-23 Thread Jeremy Jackson
Dax Kelson wrote: Gerhard Mack said once upon a time (Fri, 23 Mar 2001): On Fri, 23 Mar 2001, Bob Lorenzini wrote: I'm annoyed when persons post virus alerts to unrelated lists but this is a serious threat. If your offended flame away. This should be a wake up call...

Re: UDMA 100 / PIIX4 question

2001-03-20 Thread Jeremy Jackson
Holger Lubitz wrote: > [EMAIL PROTECTED] wrote: > > > > On Mon, 19 Mar 2001 12:17:38 -0800 > > Tim Moore <[EMAIL PROTECTED]> wrote: > > > > > Apologies for the too brief answer. Sustained real world transfer rates > > > for the PIIX4 under ideal > > > setup conditions and a quiet bus are

Re: IDE DMA resets with ALI15X3 on Aladdin V

2001-03-20 Thread Jeremy Jackson
Jules Bean wrote: > Hi, > > I have an intermittent problem with my IDE setup: > > pear# dmesg | grep -i ide > Uniform Multi-Platform E-IDE driver Revision: 6.31 > ide: Assuming 33MHz system bus speed for PIO modes; override with > idebus=xx > ALI15X3: IDE controller on PCI bus 00 dev 78 >

Re: IDE DMA resets with ALI15X3 on Aladdin V

2001-03-20 Thread Jeremy Jackson
Jules Bean wrote: Hi, I have an intermittent problem with my IDE setup: pear# dmesg | grep -i ide Uniform Multi-Platform E-IDE driver Revision: 6.31 ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx ALI15X3: IDE controller on PCI bus 00 dev 78 ide0: BM-DMA

Re: UDMA 100 / PIIX4 question

2001-03-20 Thread Jeremy Jackson
Holger Lubitz wrote: [EMAIL PROTECTED] wrote: On Mon, 19 Mar 2001 12:17:38 -0800 Tim Moore [EMAIL PROTECTED] wrote: Apologies for the too brief answer. Sustained real world transfer rates for the PIIX4 under ideal setup conditions and a quiet bus are 14-18MB/s. I dare to

Re: Linux should better cope with power failure

2001-03-19 Thread Jeremy Jackson
"Richard B. Johnson" wrote: > On Mon, 19 Mar 2001, Brian Gerst wrote: > [SNIPPED...] > > > > > At the very least the disk should be consistent with memory. If the > > dirty pages aren't written back to the disk (but not necessarily removed > > from memory) after a reasonable idle period, then

Re: Linux should better cope with power failure

2001-03-19 Thread Jeremy Jackson
Brian Gerst wrote: > "Richard B. Johnson" wrote: > > > > On Mon, 19 Mar 2001, Otto Wyss wrote: > > > > > Lately I had an USB failure, leaving me without any access to my system > > > since I only use an USB-keyboard/-mouse. All I could do in that > > > situation was switching power off and on

Re: UDMA 100 / PIIX4 question

2001-03-19 Thread Jeremy Jackson
Tim Moore wrote: > [EMAIL PROTECTED] wrote: > > I have an IBM DTLA 307030 (ATA 100 / UDMA 5) on an 815e board (Asus CUSL2), which >has a PIIX4 controller. > > ... > > My problem is that (according to hdparm -t), I never get a better transfer rate >than approximately 15.8 Mb/sec. I achieve

Re: UDMA 100 / PIIX4 question

2001-03-19 Thread Jeremy Jackson
Tim Moore wrote: > [EMAIL PROTECTED] wrote: > > I have an IBM DTLA 307030 (ATA 100 / UDMA 5) on an 815e board (Asus CUSL2), which >has a PIIX4 controller. > > ... > > My problem is that (according to hdparm -t), I never get a better transfer rate >than approximately 15.8 Mb/sec. I achieve

Re: UDMA 100 / PIIX4 question

2001-03-19 Thread Jeremy Jackson
Tim Moore wrote: [EMAIL PROTECTED] wrote: I have an IBM DTLA 307030 (ATA 100 / UDMA 5) on an 815e board (Asus CUSL2), which has a PIIX4 controller. ... My problem is that (according to hdparm -t), I never get a better transfer rate than approximately 15.8 Mb/sec. I achieve this when

Re: UDMA 100 / PIIX4 question

2001-03-19 Thread Jeremy Jackson
Tim Moore wrote: [EMAIL PROTECTED] wrote: I have an IBM DTLA 307030 (ATA 100 / UDMA 5) on an 815e board (Asus CUSL2), which has a PIIX4 controller. ... My problem is that (according to hdparm -t), I never get a better transfer rate than approximately 15.8 Mb/sec. I achieve this when

Re: Linux should better cope with power failure

2001-03-19 Thread Jeremy Jackson
Brian Gerst wrote: "Richard B. Johnson" wrote: On Mon, 19 Mar 2001, Otto Wyss wrote: Lately I had an USB failure, leaving me without any access to my system since I only use an USB-keyboard/-mouse. All I could do in that situation was switching power off and on after a few

Re: Linux should better cope with power failure

2001-03-19 Thread Jeremy Jackson
"Richard B. Johnson" wrote: On Mon, 19 Mar 2001, Brian Gerst wrote: [SNIPPED...] At the very least the disk should be consistent with memory. If the dirty pages aren't written back to the disk (but not necessarily removed from memory) after a reasonable idle period, then there is

Re: Network init script causes 2.2.18 kernel oops (tulip driver)

2001-03-15 Thread Jeremy Jackson
Matthew Callaway wrote: > Greetings, > > This is a reproducible oops, and my guess is that it's related to > the tulip driver included in the 2.2.18 source tree. We're using > a D-Link 4 port NIC, and it appears that it doesn't work well with > IPV6 interfaces. I have had problems with this

Re: Network init script causes 2.2.18 kernel oops (tulip driver)

2001-03-15 Thread Jeremy Jackson
Matthew Callaway wrote: Greetings, This is a reproducible oops, and my guess is that it's related to the tulip driver included in the 2.2.18 source tree. We're using a D-Link 4 port NIC, and it appears that it doesn't work well with IPV6 interfaces. I have had problems with this NIC as

Re: 2.4 and PPPoE problem

2001-03-12 Thread Jeremy Jackson
Martin Hicks wrote: > Hello, > > I'm using PPPoE with an i586 machine running 2.4.2. are you using the kernel pppoe or the user-space one (rp-pppoe, etc)? did it work on other kernels? > > > The machine connects fine and allows network traffic to pass > through the link. > > However, certain

Re: Ide Hot-swaping?

2001-03-12 Thread Jeremy Jackson
Pozsar Balazs wrote: > Is it possible to hot-swap ide drives and re-detect them? > Does 'normal' Pc-hardware allow it? read a recent man page for hdparm and you will see kernel allows remove/add ide interface. scripts with correct parameter usage are in contrib directory of hdparm source. IDE

Re: Ide Hot-swaping?

2001-03-12 Thread Jeremy Jackson
Pozsar Balazs wrote: Is it possible to hot-swap ide drives and re-detect them? Does 'normal' Pc-hardware allow it? read a recent man page for hdparm and you will see kernel allows remove/add ide interface. scripts with correct parameter usage are in contrib directory of hdparm source. IDE

Re: 2.4 and PPPoE problem

2001-03-12 Thread Jeremy Jackson
Martin Hicks wrote: Hello, I'm using PPPoE with an i586 machine running 2.4.2. are you using the kernel pppoe or the user-space one (rp-pppoe, etc)? did it work on other kernels? The machine connects fine and allows network traffic to pass through the link. However, certain websites

Re: conducting TCP sessions with non-local IPs

2001-03-06 Thread Jeremy Jackson
Mike Fedyk wrote: > > [snip] > > > > /sbin/ip addr add 10.2.0.0/24 dev eth0 > > > > Tada > How would you deal with the other computer responding to the host "port not > reachable"? What the hell kind of monster are you making? There's got to be another way. - To unsubscribe from this list:

Re: VFS: Cannot open root device

2001-03-06 Thread Jeremy Jackson
Peter Samuelson wrote: > [Jeremy Jackson] > > try command 'man mkinitrd' under redhat for hints about initial > > ramdisk. > > I have been puzzled about this for quite some time. Why exactly does > everyone always recommend using 'mkinitrd' on Red Hat systems? It &

Re: 2.2.19pre - Kernel Panic: no init found

2001-03-06 Thread Jeremy Jackson
Stephane GARIN wrote: > Hi, > > I tried with init=/bin/sh but no success. I download a 2.2.18 Kernel and I > use patch 2.2.19pre16 but no success too... I don't know why there is this > error with this 2.2.19 kernel but not with my 2.2.18 kernel. I'm ready to > send all technical information

Re: Linux installation problem

2001-03-06 Thread Jeremy Jackson
[EMAIL PROTECTED] wrote: > Hi all, >I am trying to install Linux (redhat-7) on a ps/2 server-9595 > machine (mca ). I am booting from a floppy disk and using a custom build > 2.4.1 kernel image since there are problems booting the machine using the > installation image on redhat

Re: Linux installation problem

2001-03-06 Thread Jeremy Jackson
[EMAIL PROTECTED] wrote: Hi all, I am trying to install Linux (redhat-7) on a ps/2 server-9595 machine (mca ). I am booting from a floppy disk and using a custom build 2.4.1 kernel image since there are problems booting the machine using the installation image on redhat CD and

Re: 2.2.19pre - Kernel Panic: no init found

2001-03-06 Thread Jeremy Jackson
Stephane GARIN wrote: Hi, I tried with init=/bin/sh but no success. I download a 2.2.18 Kernel and I use patch 2.2.19pre16 but no success too... I don't know why there is this error with this 2.2.19 kernel but not with my 2.2.18 kernel. I'm ready to send all technical information about my

Re: VFS: Cannot open root device

2001-03-06 Thread Jeremy Jackson
Peter Samuelson wrote: [Jeremy Jackson] try command 'man mkinitrd' under redhat for hints about initial ramdisk. I have been puzzled about this for quite some time. Why exactly does everyone always recommend using 'mkinitrd' on Red Hat systems? It seems to me that if you are compiling

Re: conducting TCP sessions with non-local IPs

2001-03-06 Thread Jeremy Jackson
Mike Fedyk wrote: [snip] /sbin/ip addr add 10.2.0.0/24 dev eth0 Tada How would you deal with the other computer responding to the host "port not reachable"? What the hell kind of monster are you making? There's got to be another way. - To unsubscribe from this list: send the line

Re: How-To for PPPoE in v2.4.x?

2001-03-05 Thread Jeremy Jackson
[EMAIL PROTECTED] wrote: > Is there a How-To for getting the Linux v2.4.x PPPoE support to work? > I've searched for info but have mostly found sketchy references on getting > PPPoE to work with the v2.2 kernel. > I have been using PPPoE in the 2.4.0 kernel for about 2 months now. It's very

Re: [OFFTOPIC] Hardlink utility - reclaim drive space

2001-03-05 Thread Jeremy Jackson
Padraig Brady wrote: > Hmm.. useful until you actually want to modify a linked file, > but then your modifying the file in all "merged" trees. > Wouldn't it be cool to have an extended attribute > for files called "Copy on Write", so then you could > hardlink all duplicate files together, but

Re: [OFFTOPIC] Hardlink utility - reclaim drive space

2001-03-05 Thread Jeremy Jackson
Padraig Brady wrote: Hmm.. useful until you actually want to modify a linked file, but then your modifying the file in all "merged" trees. Wouldn't it be cool to have an extended attribute for files called "Copy on Write", so then you could hardlink all duplicate files together, but when a

Re: How-To for PPPoE in v2.4.x?

2001-03-05 Thread Jeremy Jackson
[EMAIL PROTECTED] wrote: Is there a How-To for getting the Linux v2.4.x PPPoE support to work? I've searched for info but have mostly found sketchy references on getting PPPoE to work with the v2.2 kernel. I have been using PPPoE in the 2.4.0 kernel for about 2 months now. It's very nice.

Re: Slight Time drift in linux by division fault

2001-03-04 Thread Jeremy Jackson
Erwin Six wrote: > Hello, > > I'm a senior Student in electronic Engineering. A lot of my work takes > place inside the network-part of the kernel, but now I'm confronted with > time. I designed a hardware-board whitch trys to synchronize I would study the xntpd daemon furthur before trying to

Re: 2.4.2: What happened ? (No such file or directory)

2001-03-04 Thread Jeremy Jackson
" Frédéric L. W. Meunier" wrote: > Correction. I can umount the partitions, but I get the > following message: > > "can't link lock file /etc/mtab~: No such file or > directory (use -n flag to override)" > > And /etc/mtab isn't updated. Is your root filesystem mounted read-only at any point?

Re: 2.4.2: What happened ? (No such file or directory)

2001-03-04 Thread Jeremy Jackson
" Frdric L. W. Meunier" wrote: Correction. I can umount the partitions, but I get the following message: "can't link lock file /etc/mtab~: No such file or directory (use -n flag to override)" And /etc/mtab isn't updated. Is your root filesystem mounted read-only at any point? (check with

Re: Slight Time drift in linux by division fault

2001-03-04 Thread Jeremy Jackson
Erwin Six wrote: Hello, I'm a senior Student in electronic Engineering. A lot of my work takes place inside the network-part of the kernel, but now I'm confronted with time. I designed a hardware-board whitch trys to synchronize I would study the xntpd daemon furthur before trying to

Re: Forwarding broadcast traffic

2001-03-03 Thread Jeremy Jackson
Jon Masters wrote: > Jeremy Jackson wrote: > > > try bridging instead if ip forwarding. use netfilter too if you want > > I mentioned bridging before - I don't want some kind of transparent > bridge, really so what I would need is for the router to be contactable > i

Re: Forwarding broadcast traffic

2001-03-03 Thread Jeremy Jackson
Jon Masters wrote: > Hello, > I have a brain-dead application here which relies on broadcast > traffic for client/server discovery and I have a question with regard > to forwarding broadcast traffic. try bridging instead if ip forwarding. use netfilter too if you want > > > A small

Re: Forwarding broadcast traffic

2001-03-03 Thread Jeremy Jackson
Jon Masters wrote: Hello, I have a brain-dead application here which relies on broadcast traffic for client/server discovery and I have a question with regard to forwarding broadcast traffic. try bridging instead if ip forwarding. use netfilter too if you want A small part of

Re: Forwarding broadcast traffic

2001-03-03 Thread Jeremy Jackson
Jon Masters wrote: Jeremy Jackson wrote: try bridging instead if ip forwarding. use netfilter too if you want I mentioned bridging before - I don't want some kind of transparent bridge, really so what I would need is for the router to be contactable in the same way as before

Re: [Fwd: [LARTC] 1 adsl + 1 sdsl + masq + simultaneous incomming routes]

2001-03-02 Thread Jeremy Jackson
Mike Fedyk wrote: > [EMAIL PROTECTED] wrote: > > > > On Fri, 2 Mar 2001, Mike Fedyk wrote: > > > > > I have two dsl links, each with one ip, and a single gateway is assigned the ip > > > for each. > > > > > > ____ > > > | ADSL | | SDSL | > > > |__| |__| > > >\ / >

Re: [Re: paging behavior in Linux]

2001-03-02 Thread Jeremy Jackson
Manfred Spraul wrote: > Neelam Saboo wrote: > > > > hi, > > > > After I installed a newer version of Kernel (2.4.2) and enable DMA option in Ah hah! There's a huge difference in performance (in my experience) with DMA. also, using hdparm utility, *most* drives work fine with dma, irq

Re: VFS: Cannot open root device

2001-03-02 Thread Jeremy Jackson
Jeremy wrote: This is going to get confusing! > Hello all, > HELP, I have a new server that I am trying to put > Redhat 7.0 on. It is a Compaq Proliant ML530 Dual PIII > 1Ghz with a Gig of RAM. It has a Compaq smart array > 5300 in it also. It boots just fine with the default > Redhat 7 kernel

Re: IRQ advice (2.4.2-ac7)

2001-03-02 Thread Jeremy Jackson
Favre Gregoire wrote: > Hello, > > as I boot some times under windows, i have to change my IRQ for my PCI > devices to (all) 9... and all the times I tried to boot that way under linux, > it doesn't boot... > > So I haven't tested it that way for ages... and now with 2.4.2-ac7 i booted > without

Re: How to set hdparms for ide-scsi devices on devfs?

2001-03-02 Thread Jeremy Jackson
Wakko Warner wrote: > > PS: Is there still a possibility for setting the IDE-sleep timeout > > for a ide-scsi harddisk? (I know, this doesnt make sense) Yeah, why would you ? ide-scsi is mainly to support cd-rw drives, AFAIK > > > I didn't know you could use ide-scsi emulation for

Re: PPP problems

2001-03-02 Thread Jeremy Jackson
Rob wrote: > Hi, I'd like to thank everyone that helped me with the compiler problem. > I've updated everthing in Documentation/Changes I have a brand spankers > new gcc, ppp, etc. The problem I'm running into now is when I try to > connect to the internet, it says that I don't have a kernel

Re: PPP problems

2001-03-02 Thread Jeremy Jackson
Rob wrote: Hi, I'd like to thank everyone that helped me with the compiler problem. I've updated everthing in Documentation/Changes I have a brand spankers new gcc, ppp, etc. The problem I'm running into now is when I try to connect to the internet, it says that I don't have a kernel that

Re: How to set hdparms for ide-scsi devices on devfs?

2001-03-02 Thread Jeremy Jackson
Wakko Warner wrote: PS: Is there still a possibility for setting the IDE-sleep timeout for a ide-scsi harddisk? (I know, this doesnt make sense) Yeah, why would you ? ide-scsi is mainly to support cd-rw drives, AFAIK I didn't know you could use ide-scsi emulation for hard

Re: IRQ advice (2.4.2-ac7)

2001-03-02 Thread Jeremy Jackson
Favre Gregoire wrote: Hello, as I boot some times under windows, i have to change my IRQ for my PCI devices to (all) 9... and all the times I tried to boot that way under linux, it doesn't boot... So I haven't tested it that way for ages... and now with 2.4.2-ac7 i booted without any

Re: VFS: Cannot open root device

2001-03-02 Thread Jeremy Jackson
Jeremy wrote: This is going to get confusing! Hello all, HELP, I have a new server that I am trying to put Redhat 7.0 on. It is a Compaq Proliant ML530 Dual PIII 1Ghz with a Gig of RAM. It has a Compaq smart array 5300 in it also. It boots just fine with the default Redhat 7 kernel

Re: [Re: paging behavior in Linux]

2001-03-02 Thread Jeremy Jackson
Manfred Spraul wrote: Neelam Saboo wrote: hi, After I installed a newer version of Kernel (2.4.2) and enable DMA option in Ah hah! There's a huge difference in performance (in my experience) with DMA. also, using hdparm utility, *most* drives work fine with dma, irq unmasking,

Re: [Fwd: [LARTC] 1 adsl + 1 sdsl + masq + simultaneous incomming routes]

2001-03-02 Thread Jeremy Jackson
Mike Fedyk wrote: [EMAIL PROTECTED] wrote: On Fri, 2 Mar 2001, Mike Fedyk wrote: I have two dsl links, each with one ip, and a single gateway is assigned the ip for each. ____ | ADSL | | SDSL | |__| |__| \ / \/

Re: [Newbie] Re: Problem creating filesystem

2001-03-01 Thread Jeremy Jackson
Rogerio Brito wrote: > On Feb 26 2001, Jeremy Jackson wrote: > > Carlos Fernandez Sanz wrote: > > > The IDE controller is > > > Bus 0, device 17, function 0: > > > Unknown mass storage controller: Promise Technology Unknown device (rev > > >

Re: Unmounting and ejecting the root fs on shutdown.

2001-03-01 Thread Jeremy Jackson
Per Erik Stendahl wrote: > > Nah, that looks too easy! ;-) > > > This might save everyone some pain: > > from hdparm(8) man page (mine has some format > > bugs, but you get the picture) > > > Is it true that the root fs is left mounted read-only? What is the > rationale behind this? It seems to

Re: Unmounting and ejecting the root fs on shutdown.

2001-03-01 Thread Jeremy Jackson
Per Erik Stendahl wrote: Nah, that looks too easy! ;-) This might save everyone some pain: from hdparm(8) man page (mine has some format bugs, but you get the picture) Is it true that the root fs is left mounted read-only? What is the rationale behind this? It seems to me that it

Re: [Newbie] Re: Problem creating filesystem

2001-03-01 Thread Jeremy Jackson
Rogerio Brito wrote: On Feb 26 2001, Jeremy Jackson wrote: Carlos Fernandez Sanz wrote: The IDE controller is Bus 0, device 17, function 0: Unknown mass storage controller: Promise Technology Unknown device (rev 2). Vendor id=105a. Device id=d30. Medium

Re: How to set hdparms for ide-scsi devices on devfs?

2001-02-28 Thread Jeremy Jackson
Eduard Hasenleithner wrote: > Sorry, if this issue was already discussed in lkml. I didn't find > a reference to this at www.geocrawler.com > > My Problem: > I want to set the unmaskirq and dma -flag for my ide cd-recorder. > The Problem is, that devfs creates no ide device, but only > the

Re: Unmounting and ejecting the root fs on shutdown.

2001-02-28 Thread Jeremy Jackson
David Balazic wrote: Per Erik Stendahl wrote : > What I do know now is how to make the kernel not lock the CD in the > first place. Simply ioctl(/dev/cdrom, CDROM_CLEAR_OPTIONS, CDO_LOCK) > from /linuxrc in the initrd. This way I can remove the CD anytime > I please which is enough

Re: Promise Ultra100 IDE PDC20265 chip problem

2001-02-28 Thread Jeremy Jackson
[EMAIL PROTECTED] wrote: > (I am not subscribed to this list, if it is in fact a list. Please CC any > replies to me directly - Thanks) > > I am attempting to install the new beta release of Red Hat (fisher) on my > home computer. It has an Asus A7V motherboard and a Promise Ultra100 IDE >

Re: Dynamically altering code segments

2001-02-28 Thread Jeremy Jackson
"Collins, Tom" wrote: > Hi... > > This is my first post, so if this is off topic for this list, please direct > me > to another one that is more appropriate. Thanks > > That said, I am wanting to dynamically modify the kernel in specific places > to > implement a custom kernel trace mechanism.

Re: Dynamically altering code segments

2001-02-28 Thread Jeremy Jackson
"Collins, Tom" wrote: Hi... This is my first post, so if this is off topic for this list, please direct me to another one that is more appropriate. Thanks That said, I am wanting to dynamically modify the kernel in specific places to implement a custom kernel trace mechanism. The

Re: Promise Ultra100 IDE PDC20265 chip problem

2001-02-28 Thread Jeremy Jackson
[EMAIL PROTECTED] wrote: (I am not subscribed to this list, if it is in fact a list. Please CC any replies to me directly - Thanks) I am attempting to install the new beta release of Red Hat (fisher) on my home computer. It has an Asus A7V motherboard and a Promise Ultra100 IDE controller

Re: Unmounting and ejecting the root fs on shutdown.

2001-02-28 Thread Jeremy Jackson
David Balazic wrote: Per Erik Stendahl wrote : What I do know now is how to make the kernel not lock the CD in the first place. Simply ioctl(/dev/cdrom, CDROM_CLEAR_OPTIONS, CDO_LOCK) from /linuxrc in the initrd. This way I can remove the CD anytime I please which is enough for

Re: How to set hdparms for ide-scsi devices on devfs?

2001-02-28 Thread Jeremy Jackson
Eduard Hasenleithner wrote: Sorry, if this issue was already discussed in lkml. I didn't find a reference to this at www.geocrawler.com My Problem: I want to set the unmaskirq and dma -flag for my ide cd-recorder. The Problem is, that devfs creates no ide device, but only the

Re: Problem creating filesystem

2001-02-26 Thread Jeremy Jackson
Carlos Fernandez Sanz wrote: > I have just purchased a new HD and I'm getting problems creating a > filesystem for it. I've done some research and some people claim the problem > might be kernel related so I'm asking here just in case. > > The HD is a Maxtor 80 Gb, plugged to the Promise

Re: CLOCAL and TIOCMIWAIT

2001-02-26 Thread Jeremy Jackson
Ivan Passos wrote: > Hello, > > A customer has just brought to my attention that when you try to use the > TIOCMIWAIT ioctl with our boards and CLOCAL is enabled, you can't check > changes in the DCD signal. He also mentioned that that is possible with > the regular serial ports. > > As I

Re: New net features for added performance

2001-02-26 Thread Jeremy Jackson
"David S. Miller" wrote: > Andi Kleen writes: > > Or did I misunderstand you? > > What is wrong with making methods, keyed off of the ethernet protocol > ID, that can do the "I know where/how-long headers are" stuff for that > protocol? Only cards with the problem call into this function

Re: tcp stalls with 2.4 (but not 2.2)

2001-02-26 Thread Jeremy Jackson
Brian Grossman wrote: > I'm seeing stalls sending packets to some clients. I see this problem > under 2.4 (2.4.1 and 2.4.1ac17) but not under 2.2.17. compiled in ECN support? SYNcookies? try disabling through /proc tcp or udp? if udp check /proc/net/ipv4/ip_udpdloose or such > > > My theory

Re: tcp stalls with 2.4 (but not 2.2)

2001-02-26 Thread Jeremy Jackson
Brian Grossman wrote: I'm seeing stalls sending packets to some clients. I see this problem under 2.4 (2.4.1 and 2.4.1ac17) but not under 2.2.17. compiled in ECN support? SYNcookies? try disabling through /proc tcp or udp? if udp check /proc/net/ipv4/ip_udpdloose or such My theory is

Re: CLOCAL and TIOCMIWAIT

2001-02-26 Thread Jeremy Jackson
Ivan Passos wrote: Hello, A customer has just brought to my attention that when you try to use the TIOCMIWAIT ioctl with our boards and CLOCAL is enabled, you can't check changes in the DCD signal. He also mentioned that that is possible with the regular serial ports. As I understood,

Re: Problem creating filesystem

2001-02-26 Thread Jeremy Jackson
Carlos Fernandez Sanz wrote: I have just purchased a new HD and I'm getting problems creating a filesystem for it. I've done some research and some people claim the problem might be kernel related so I'm asking here just in case. The HD is a Maxtor 80 Gb, plugged to the Promise controller

Re: New net features for added performance

2001-02-26 Thread Jeremy Jackson
"David S. Miller" wrote: Andi Kleen writes: Or did I misunderstand you? What is wrong with making methods, keyed off of the ethernet protocol ID, that can do the "I know where/how-long headers are" stuff for that protocol? Only cards with the problem call into this function vector or

Re: IDE floppy drives and devfs - no device nodes if no disk loaded atboot

2001-02-25 Thread Jeremy Jackson
Derrik Pates wrote: > Subject says about all there is to say. I have figured out that IDE drives > are enumerated as part of the boot-time partition check in > fs/partitions/check.c, but if I don't have something loaded at boot time > (IDE SuperDisk in PC at home, IDE Zip 100 in G3 tower at

Re: Should isa-pnp utilize the PnP BIOS?

2001-02-25 Thread Jeremy Jackson
Thomas Hood wrote: > On my ThinkPad 600, The ThinkPad PnP BIOS configures > all PnP devices at boot time. > > If I load the isa-pnp.o driver it never detects any ISA PnP > devices: it says "isapnp: No Plug & Play device found". This > is unfortunate, because it means that device drivers can't >

Re: New net features for added performance

2001-02-25 Thread Jeremy Jackson
Andrew Morton wrote: (kernel profile of TCP tx/rx)So, naively, the most which can be saved here by optimising > the skb and memory usage is 5% of networking load. (1% of > system load @100 mbps) > For a local tx/rx. (open question) What happens with a router box with netfilter and queueing?

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