Re: Wow! Is memory ever cheap!

2001-05-08 Thread John Alvord
On Tue, 8 May 2001 22:22:10 -0700, Larry McVoy <[EMAIL PROTECTED]> wrote: > >Just to make sure you understand: I think ECC is a fine thing. If I'm >running systems with no other integrity checks, I'll take ECC and like it. >However, having ECC does not mean that I trust that my data is safe,

Re: what causes Machine Check exception? revisited (2.2.18)

2001-05-08 Thread Mike Fedyk
On Mon, May 07, 2001 at 11:57:17AM +0100, Alan Cox wrote: > Generally it indicates a CPU problem but I've see it caused by overclocking > and poorly fitted heatsinks I've been able to trigger a Machine check error on PPC when trying to boot directly from OF with a COFF kernel. The system has

tunables??

2001-05-08 Thread SRIKANTH CHOWDARY M. K. G
Hi All, 1. Is there a file which contains all the tunables?? 2. Are the variables - free_pages_high & free_pages_low (, which the kswapd looks for after the timer expires), tunable parameters?? 3. What range of addresses separates the Normal, High Memory & DMA zones??

Re: Wow! Is memory ever cheap!

2001-05-08 Thread Dan Hollis
On Tue, 8 May 2001, Larry McVoy wrote: > which is a text version of the paper I mentioned before. The basic > message of the paper is that it really doesn't help much to have things > like ECC unless you can be sure that 100% of the rest of your system > has similar checks. UDMA has crc, scsi

Re: Wow! Is memory ever cheap!

2001-05-08 Thread Larry McVoy
On Wed, May 09, 2001 at 12:24:25AM -0400, Marty Leisner wrote: > I'm confused by the "lets not use ECC and use bk" talk. I'll take a pass at unconfusing you, I can see how you might be. I wish I had never mentioned BK, that was never the point. End to end was the point, BK was just an example

Re: Wow! Is memory ever cheap!

2001-05-08 Thread Marty Leisner
I'm confused by the "lets not use ECC and use bk" talk. My understanding is suns big machines stopped using ecc and they started to have "random" problems running big-iron applications that took them a while to figure out (and a lot of bad press) and can only be rectified in the big cycle (this

nfs warning: mount version older than kernel

2001-05-08 Thread Jeff Chua
Where can I get the latest "mount" ? # mount -t nfs lo:/ /mnt NFS: NFSv3 not supported. nfs warning: mount version older than kernel #mount --version mount: mount-2.11a Thanks, Jeff [ [EMAIL PROTECTED] ] - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body

Re: page_launder() bug

2001-05-08 Thread Jonathan Morton
>That said, anyone who doesn't understand the former should probably >get some more C experience before commenting on others' code... I understood it, but it looked very much like a typo. -- from: Jonathan "Chromatix" Morton mail:

Re: SPARC include problem

2001-05-08 Thread Sean Jones
The include error was in kernel/sched.c . Should I rewrite the includes for this file to include include/asm/irq.h over include/linux/irq.h? I temporarily bypassed this problem by creating a blank asm/hw_irq.h . I also ran into a compile problem in arch/sparc/kernel/sparc_ksyms.c . The rw

Re: ECN: Volunteers needed

2001-05-08 Thread Billy Harvey
> This was the big argument I was running into from sites, "well it > isn't standard yet, when it is we'll do something about it". The > larger sites like to avoid updates until absolutely necessary. Good grief - nothing like planning ahead ... and these large-site administrators actually

Re: ECN: Volunteers needed

2001-05-08 Thread jamal
On Tue, 8 May 2001, jamal wrote: > Any one wishing to volunteer, please still send your emails in -- > we should be ready in a few days from now, > I guess i should have mentioned the IESG is sitting in to approve ECN as proposed standard in about a week or so. cheers, jamal - To unsubscribe

Re: nfs MAP_SHARED corruption fix

2001-05-08 Thread Andrea Arcangeli
On Tue, May 08, 2001 at 05:21:02PM +0200, Trond Myklebust wrote: > AFAICs this fix will clearly deadlock... yeah, it didn't triggered because it probably needs to be the same page writepaged and in the dirty list at the same time. I hooked it very deep into the writeback logic to keep it generic

Re: ECN: Volunteers needed

2001-05-08 Thread jamal
On Tue, 8 May 2001, David S. Miller wrote: > > I believe it would only be prudent to actually send out these messages > starting at the moment ECN is officially standard. > > This was the big argument I was running into from sites, "well it > isn't standard yet, when it is we'll do something

Re: ECN: Volunteers needed

2001-05-08 Thread David S. Miller
jamal writes: > Help is needed to contact these site owners and politely using a standard > email ask them that their site was non-conformant. > Point them to Sally's draft and the fact that ECN is becoming standard > in the next week or so. Also to Jeff's ECN-under-Linux Unofficial >

[PATCH] RAID5 NULL Checking Bug Fix

2001-05-08 Thread david chan
Hi, In drivers/md/raid5.c, the author does not check to see if alloc_page() returns NULL. This patch also adds checks that return 1 (following the error-path convention in the respective function). Please discard this e-mail if this patch is irrelevant to you. I just tried to be thorough.

blkdev in pagecache

2001-05-08 Thread Andrea Arcangeli
This night I moved the blkdev layer in pagecache in this patch: ftp://ftp.us.kernel.org/pub/linux/kernel/people/andrea/patches/v2.4/2.4.5pre1/blkdev-pagecache-1 It is incremental and depends on the o_direct functionality, latest o_direct patch against 2.4.5pre1 is here:

ECN: Volunteers needed

2001-05-08 Thread jamal
Folks, ECN is about to become a Proposed Standard RFC. Thanks to efforts from the Linux community, a few issues were discovered in the course of deploying the code. Special kudos go to Alexey Kuznetsov and David Miller. I wont go into details of the issues other than to say some midlle-box

Re: page_launder() bug

2001-05-08 Thread Rusty Russell
In message <[EMAIL PROTECTED]> you write: > > Jonathan Morton writes: > > >- page_count(page) == (1 + !!page->buffers)); > > > > Two inversions in a row? > > It is the most straightforward way to make a '1' or '0' > integer from the NULL state of a pointer. Overall, I'd

Re: 2.2.19 + reiserfs 3.5.32 nfsd wait_on_buffer/down_failed

2001-05-08 Thread Chris Mason
On Tuesday, May 08, 2001 04:42:43 PM +0200 Michael Stiller <[EMAIL PROTECTED]> wrote: > Hi, > > we run a nfs server utilizing 2.2.19 + ReiserFS version 3.5.32 on a > P 3 550 machine. Disk subsystem is a GDT7518RN using 4 UW disks as raid 5 > device. After upgrading from 2.2.17 + reiserfs to

Re: page_launder() bug

2001-05-08 Thread David S. Miller
Marcelo Tosatti writes: > Ok, this patch implements thet thing and also changes ext2+swap+shm > writepage operations (so I could test the thing). > > The performance is better with the patch on my restricted swapping tests. Nice. Now the only bit left is moving the referenced bit checking

Re: REVISED: Experimentation with Athlon and fast_page_copy

2001-05-08 Thread Tom Leete
Alan Cox wrote: > > > the memory copy in the fast_page_copy routine. The machine then > > proceeded > > not to stop at my panic, but I got my "normal" oopses. I then had an > > Ok > > > idea and removed all the prefetch instructions from the beginning of the > > routine and tried the

Re: 2.4.4 Kernel - ASUS CUV4X-DLS Question

2001-05-08 Thread J. S. Connell
All, I unfortunately don't have the time this evening to produce actual kernel messages, but I did want to throw out that I have an ASUS CUV4X-DLS board too, with two PIII/1GHz processors in it, and I cannot get it to boot an SMP kernel at all. In addition to the built-in devices, the following

No Subject

2001-05-08 Thread abhilash s
sir I am a linux fan from India and i am eagar to know about the emerging technologies please inform me @ [EMAIL PROTECTED] __ Do You Yahoo!? Yahoo! Auctions - buy the things you want at great prices http://auctions.yahoo.com/ - To

Re: page_launder() bug

2001-05-08 Thread Marcelo Tosatti
On Tue, 8 May 2001, Linus Torvalds wrote: > > > On Tue, 8 May 2001, Marcelo Tosatti wrote: > > > > There are two issues which I missed yesterday: we have to get a reference > > on the page, mark it clean, drop the locks and then call writepage(). If > > the writepage() fails, we'll have to

Re: SPARC include problem

2001-05-08 Thread Sean Jones
Sean Jones wrote: > > "David S. Miller" wrote: > > > > Sean Jones writes: > > > In compiling 2.4.4-ac5 for my SPARCStation 20, I had an error in the > > > compile resulting from the inability to find a hw_irq.h in the > > > include/asm directory. Do you know where I may be able to find such a

Re: nfsd from kernel 2.4.4 oops

2001-05-08 Thread Neil Brown
On Tuesday May 8, [EMAIL PROTECTED] wrote: > Hi, > > I'm using kernel 2.4.4 cvs from SGI, with xfs. I'm getting this Oops: > > kernel: Unable to handle kernel NULL pointer dereference at virtual address 0010 > kernel: printing eip: > kernel: c017bfd8 > kernel: *pde = > kernel:

Re: pci_pool_free from IRQ

2001-05-08 Thread David S. Miller
David Brownell writes: > Pete's patch to pci_pool_free() is fine with me, and I'd be glad > to see that bit of pci interface cleaned up. Any changes needed > other than the pci.txt doc update? Ummm... What Alan's saying is: 1) Whatever driver is trying to shut down from IRQ context is

Re: Linux 2.4.4-ac6

2001-05-08 Thread Dan Podeanu
On Wed, 9 May 2001, Alan Cox wrote: ... > 2.4.4-ac6 ... To be sincere I was expecting the Athlone pre-pre-pre-patch/fix to be included. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at

Patch to make ymfpci legacy address 16 bits

2001-05-08 Thread Pete Zaitcev
Hi: I found that every time I run a 2.4 on my laptop, APM locks up the machine. Apparently, legacy YMF code enabled decoding of 10 bits of I/O address. A call to APM BIOS touched that and somehow the system locked up. If Pavel Roskin, Daisuke Nagano or someone else do not mind, I want this in

Re:

2001-05-08 Thread Andrew Morton
"Richard B. Johnson" wrote: > > To driver wizards: > > I have a driver which needs to wait for some hardware. > Basically, it needs to have some code added to the run-queue > so it can get some CPU time even though it's not being called. > > It needs to get some CPU time which can be "turned

Linux 2.4.4-ac6

2001-05-08 Thread Alan Cox
ftp://ftp.kernel.org/pub/linux/kernel/people/alan/2.4/ Intermediate diffs are available from http://www.bzimage.org 2.4.4-ac6 o Revert dead swap patch pending fixes(Dave Miller) o Allow arch specific writeproc/DMA for IDE

Re: [patch] 2.4.4: mmap() fails for certain legal requests

2001-05-08 Thread David S. Miller
Alan Cox writes: > And just how is he going to test it ? Considering he was just > asking if the concept was reasonable I think you are a little out > of order I can't test every platform when I have to make such changes. But it always serves to show the port maintainer "what" the change

Re: [patch] 2.4.4: mmap() fails for certain legal requests

2001-05-08 Thread Maciej W. Rozycki
On Tue, 8 May 2001, David S. Miller wrote: > That's pretty arrogant that cut and pasting a few lines into some > architecture specific files and reporting the updated patch is too > much to ask. I'm sorry if you find me arrogant -- that certainly was not my intent. I did look at the files and

Re: page_launder() bug

2001-05-08 Thread Linus Torvalds
On Tue, 8 May 2001, Marcelo Tosatti wrote: > > There are two issues which I missed yesterday: we have to get a reference > on the page, mark it clean, drop the locks and then call writepage(). If > the writepage() fails, we'll have to set_page_dirty(page). We can move the "mark it clean" into

Re: [patch] 2.4.4: mmap() fails for certain legal requests

2001-05-08 Thread Alan Cox
> > Thanks for your response, though -- maybe there is someone interested, > > after all. > > That's pretty arrogant that cut and pasting a few lines into some > architecture specific files and reporting the updated patch is too > much to ask. And just how is he going to test it ?

`smp_num_cpus' undeclared in 2.4.3

2001-05-08 Thread Jaswinder Singh
Dear linux-kernel mailing list, I am trying to build 2.4.3 for Intel machine . But i am getting this error when i say no to 'CONFIG_SMP' :- In file included from ksyms.c:17: /usr/src/linux-2.4.3/include/linux/kernel_stat.h:48: `smp_num_cpus' undeclared (first use in this function)

Child first after fork violates the SCHED_FIFO and SCHED_RR standard.

2001-05-08 Thread george anzinger
The standard says a SCHED_FIFO task only gives up the processor if it blocks, yields, or changes its priority. The counter is not really used by SCHED_FIFO tasks, however the update_process_times() code will set the "need_resched" flag on a SCHED_FIFO task, even though schedule() effectively

Re: [PATCH][RFT] smbfs bugfixes for 2.4.4

2001-05-08 Thread James H. Puttick
> No, I broke it when copying the ncpfs dircache code. > > That code will reuse an old inode if it already exists (and thus also > any pages attached to it), which is what I wanted and should be fine > except that it needs to invalidate_inode_pages() if something changed. > > Xuan and James,

[PATCH] proc_root_init() made saner

2001-05-08 Thread Alexander Viro
Changes: * proc_root_init() is called later in the boot sequence, after all essential VFS stuff had been initialized. That way we can have proc_mnt (along with superblock, root of dentry tree, etc.) set before we start registering any entries. As the result, now we are able to use

Re: [patch] 2.4.4: mmap() fails for certain legal requests

2001-05-08 Thread David S. Miller
Czesc, Maciej W. Rozycki writes: > Yep, I know (ia64 and sparc*). But being lazy enough (and being short on > time) I won't do it until I know the idea of the change is accepted. I'm > sorry -- I sent previous versions of the patch twice since last Summer > with no response at all and

Re: pci_pool_free from IRQ

2001-05-08 Thread David S. Miller
Alan Cox writes: > I suspect we should fix the documentation (and if need be the code) to reflect > the fact that you have to be completely out of your tree to handle device > removal in the irq handler Agreed. Later, David S. Miller [EMAIL PROTECTED] - To unsubscribe from this list: send

Re: oddity with page_launder() handling of dirty pages

2001-05-08 Thread Linus Torvalds
On Tue, 8 May 2001, Marcelo Tosatti wrote: > > Linus, since you wrote that part of the code, I ask you: do you have any > reason to not remove a page being writepage()'d from the > inactive_dirty_list to avoid this kind of problems ? > > (the page must be added back to the inactive_dirty_list

Re: [RFC] Direct Sockets Support??

2001-05-08 Thread 'Pete Wyckoff'
[EMAIL PROTECTED] said: > > But in the case of an application which fits in main memory, and > > has been running for a while (so all pages are present and > > dirty), all you'd really have to do is verify the page tables are > > in the proper state and skip the TLB flush,

Re: pci_pool_free from IRQ

2001-05-08 Thread Alan Cox
> This sure makes life difficult. Device removal events can be called > from interrupt context according to Documentation/pci.txt. This is > certainly a place where one might want to call pci_consistent_free. None of our device code supports interrupt based device removal. In fact many drivers

Re: [patch] 2.4.4: mmap() fails for certain legal requests

2001-05-08 Thread Maciej W. Rozycki
On Tue, 8 May 2001, David S. Miller wrote: > There are several get_unmapped_area() implementations besides the > standard one (search for HAVE_ARCH_UNMAPPED_AREA). Please fix > them up too. Yep, I know (ia64 and sparc*). But being lazy enough (and being short on time) I won't do it until I

Re:

2001-05-08 Thread george anzinger
"Richard B. Johnson" wrote: > > To driver wizards: > > I have a driver which needs to wait for some hardware. > Basically, it needs to have some code added to the run-queue > so it can get some CPU time even though it's not being called. > > It needs to get some CPU time which can be "turned

Re: REVISED: Experimentation with Athlon and fast_page_copy

2001-05-08 Thread Arjan van de Ven
In article <[EMAIL PROTECTED]> you wrote: > Arjan - care to unroll the tail 320 bytes of copying from the main loop ? I'll see what I can do to make us not loose too much speed. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL

Re: Athlon and fast_page_copy: What's it worth ? :)

2001-05-08 Thread Arjan van de Ven
In article <[EMAIL PROTECTED]> you wrote: > Hi, > Before I go any further with this investigation, I'd like to get an > idea > of how much of a performance improvement the K7 fast_page_copy will give > me. > Can someone suggest the best benchmark to test the speed of this > routine?

Re: pci_pool_free from IRQ

2001-05-08 Thread Albert D. Cahalan
Pete Zaitcev writes: > Russel King complained that you might be calling pci_consistent_free > from an interrupt, which is unsafe on ARM. This sure makes life difficult. Device removal events can be called from interrupt context according to Documentation/pci.txt. This is certainly a place where

pci_pool_free from IRQ

2001-05-08 Thread Pete Zaitcev
David, Russel King complained that you might be calling pci_consistent_free from an interrupt, which is unsafe on ARM. Why don't you remove this part from pci_pool_free(): + else if (!is_page_busy (pool->blocks_per_page, page->bitmap)) + pool_free_page (pool, page); In that

Re: your mail

2001-05-08 Thread Richard B. Johnson
On Tue, 8 May 2001, Alan Cox wrote: > > I have a driver which needs to wait for some hardware. > > Basically, it needs to have some code added to the run-queue > > so it can get some CPU time even though it's not being called. > > Wht does it have to wait ? Why cant it just poll and come back

Re: OT: ps source?

2001-05-08 Thread Albert D. Cahalan
Pierre Rousselet writes: > James Bourne wrote: >> From the procps man page: >>Albert Cahalan <[EMAIL PROTECTED]> rewrote ps for full >>Unix98 and BSD support, along with some ugly hacks for >>obsolete and foreign syntax. >> >>Michael K. Johnson <[EMAIL

Re: Patch to improve readability of sock_rcvlowat() - comments wanted...

2001-05-08 Thread Jesper Juhl
Ronald Bultje wrote: > On 2001.05.08 01:04:57 +0200 Jesper Juhl wrote: > >> static inline int sock_rcvlowat(struct sock *sk, int waitall, int len) >> { >> int r = len; >> if (!waitall) >> r = min(sk->rcvlowat, len); >> return max(1,r); >> } >> > >

Re: [PATCH][RFT] smbfs bugfixes for 2.4.4

2001-05-08 Thread Urban Widmark
On 7 May 2001, Linus Torvalds wrote: > It has code to do that in smb_revalidate_inode(), but it may be that > something else refreshes the inode size _without_ doing the proper > invalidation checks. Or maybe Urban broke that logic by mistake while > fixing the other one ;) No, I broke it when

Re: [RFC] Direct Sockets Support??

2001-05-08 Thread Alan Cox
> a. when a user app wants to receive some data, it allocates > memory(using malloc) and waits for the hw to do zero-copy read. The kernel > does not allocate physical page frames for the entire memory region > allocated. We need to lock the memory (and locking is expensive due to >

Re: your mail

2001-05-08 Thread Alan Cox
> I have a driver which needs to wait for some hardware. > Basically, it needs to have some code added to the run-queue > so it can get some CPU time even though it's not being called. Wht does it have to wait ? Why cant it just poll and come back next time ? - To unsubscribe from this list:

Re: [PATCH] allocation looping + kswapd CPU cycles

2001-05-08 Thread David S. Miller
Marcelo Tosatti writes: > On Tue, 8 May 2001, Mark Hemment wrote: > > Does anyone know why the 2.4.3pre6 change was made? > > Because wakeup_bdflush(0) can wakeup bdflush _even_ if it does not have > any job to do (ie less than 30% dirty buffers in the default config). Actually, the

[patch] 2.4.4: mmap() fails for certain legal requests

2001-05-08 Thread Maciej W. Rozycki
Hi, The mmap() call fails when addr is specified, MAP_FIXED is cleared in flags and no address space can be allocated either at addr or above it. This is a legal request and it should not fail as long as there is space available below addr. Following is a patch that fixes the problem. This

Re: your mail

2001-05-08 Thread Jens Axboe
On Tue, May 08 2001, Richard B. Johnson wrote: > > Use a kernel thread? If you don't need to access user space, context > > switches are very cheap. > > > > > So, what am I supposed to do to add a piece of driver code to the > > > run queue so it gets scheduled occasionally? > > > > Several,

RE: [RFC] Direct Sockets Support??

2001-05-08 Thread Venkatesh Ramamurthy
> But in the case of an application which fits in main memory, and > has been running for a while (so all pages are present and > dirty), all you'd really have to do is verify the page tables are > in the proper state and skip the TLB flush, right? We

Re: your mail

2001-05-08 Thread Richard B. Johnson
On Tue, 8 May 2001, Jens Axboe wrote: > On Tue, May 08 2001, Richard B. Johnson wrote: > > > > To driver wizards: > > > > I have a driver which needs to wait for some hardware. > > Basically, it needs to have some code added to the run-queue > > so it can get some CPU time even though it's not

Re: your mail

2001-05-08 Thread Jens Axboe
On Tue, May 08 2001, Richard B. Johnson wrote: > > To driver wizards: > > I have a driver which needs to wait for some hardware. > Basically, it needs to have some code added to the run-queue > so it can get some CPU time even though it's not being called. > > It needs to get some CPU time

oddity with page_launder() handling of dirty pages

2001-05-08 Thread Marcelo Tosatti
Hi, I was just wondering how bad the current way of writing out dirty pages is wrt multiple page_launder() users. We don't remove a dirty page from the inactive dirty list when writing it out (as opposed to "direct" page->buffers ll_rw_block() IO). When we have multiple users inside

[i386 arch] MTR messages significant?]

2001-05-08 Thread LA Walsh
I've been seeing these for a while now (2.4.4 - <=2.4.2) also coincidental with a change to XFree86 X 4.0.3 from "MetroX" in the time frame. Am not sure exactly when they started but was wondering if they were significant. It seems some app is trying to delete or modify something. On console

Re: [RFC] Direct Sockets Support??

2001-05-08 Thread Pete Wyckoff
[EMAIL PROTECTED] said: > > A couple of concerns I have: > > * How to pin or pagelock the application buffer without > > making a kernel transition. > > You need to pin them in advance. And pinning pages is _expensive_ so you dont > want to keep pinning/unpinning pages I can't convince myself

No Subject

2001-05-08 Thread Richard B. Johnson
To driver wizards: I have a driver which needs to wait for some hardware. Basically, it needs to have some code added to the run-queue so it can get some CPU time even though it's not being called. It needs to get some CPU time which can be "turned on" or "turned off" as a result of an

Re: [PATCH] allocation looping + kswapd CPU cycles

2001-05-08 Thread Jens Axboe
On Tue, May 08 2001, Marcelo Tosatti wrote: > > The attached patch (against 2.4.5-pre1) fixes the looping symptom, by > > adding a counter and looping only twice for non-zero order allocations. > > Looks good. (actually Rik had a patch similar to this which fixed a real > case with cdda2wav

Re: write to dvd ram

2001-05-08 Thread Jens Axboe
On Tue, May 08 2001, Thiago Vinhas de Moraes wrote: > > Hi! > > Can this new UDF driver do cd-rewriting ? No not in itself, but you can give the pktcdvd module a shot. It can do rw CD-RW mount so far, at least. *.kernel.org/pub/linux/kernel/people/axboe/packet/ There's a packet-writing

Re: [PATCH] allocation looping + kswapd CPU cycles

2001-05-08 Thread Marcelo Tosatti
On Tue, 8 May 2001, Mark Hemment wrote: > > In 2.4.3pre6, code in page_alloc.c:__alloc_pages(), changed from; > > try_to_free_pages(gfp_mask); > wakeup_bdflush(); > if (!order) > goto try_again; > to > try_to_free_pages(gfp_mask); >

Re: write to dvd ram

2001-05-08 Thread Thiago Vinhas de Moraes
Hi! Can this new UDF driver do cd-rewriting ? Em Ter 08 Mai 2001 14:50, Jens Axboe escreveu: > On Tue, May 08 2001, Ben Fennema wrote: > > > The log is: > > > Apr 15 20:58:27 hydra kernel: UDF-fs INFO UDF 0.9.1 (2000/02/29) > > > Mounting volume 'UDF Volume', timestamp 2001/03/02 11:55

Re: LSB 0.9 public draft

2001-05-08 Thread Guest section DW
On Tue, May 08, 2001 at 04:29:37PM +0100, Alan Cox wrote: > To make sure this gets enough publicity and eyes on it.. > > http://www.linuxbase.org/spec/lsbreview.html Yes. Lots of tiny inaccuracies. And no email address. (But a form with the mysterious button "Change".) - To unsubscribe from this

Problem: 'keyboard: Timeout - AT keyboard not present?'

2001-05-08 Thread Len Sorensen
I have been encountering the following problem for quite a while now (in 2.4 pre kernels, and 2.4.x final kernels), and from what I have been able to determine, it has affected people since 2.3.4x or so, and is also affecting 2.2.17 and above. The problem is that once in a while (which varies

nfsd from kernel 2.4.4 oops

2001-05-08 Thread Fermin Molina
Hi, I'm using kernel 2.4.4 cvs from SGI, with xfs. I'm getting this Oops: kernel: Unable to handle kernel NULL pointer dereference at virtual address 0010 kernel: printing eip: kernel: c017bfd8 kernel: *pde = kernel: Oops: kernel: CPU:0 kernel: EIP:

Re: page_launder() bug

2001-05-08 Thread Kai Henningsen
[EMAIL PROTECTED] (Horst von Brand) wrote on 07.05.01 in <[EMAIL PROTECTED]>: > "David S. Miller" <[EMAIL PROTECTED]> said: > > Jonathan Morton writes: > > > >-page_count(page) == (1 + !!page->buffers)); > > > > > > Two inversions in a row? > > > > It is the most

Re: PCMCIA IDE flash problem found

2001-05-08 Thread Pavel Machek
> Why did not you take care of the request_region() call and just disabled it? > The ports will be considered free by the system, and another device might > grab them later on! Because it was one of changes between 2.4.0 and 2.4.4. Ignore that.

Re: kdb wishlist

2001-05-08 Thread mirabilos
> * Change kdb invocation key from ^A to ^X^X^X within 3 seconds. ^A is > used by emacs, bash, minicom etc. Why not Alt-SysRq-D (like Debug) or so? > * Command history. Handle up/down/left/right/delete keys. Each > kdba_io routine is responsible for recognising the arch specific >

Re: write to dvd ram

2001-05-08 Thread cacook
Thanks, I'll try it. Didn't get the prior response. -- C. The best way out is always through. - Robert Frost A Servant to Servants, 1914 Jens Axboe wrote: > On Tue, May 08 2001, Ben Fennema wrote: > > > The log is: > > > Apr 15 20:58:27 hydra kernel: UDF-fs INFO UDF 0.9.1

RE: PCMCIA IDE flash problem found

2001-05-08 Thread Khachaturov, Vassilii
Why did not you take care of the request_region() call and just disabled it? The ports will be considered free by the system, and another device might grab them later on! Vassilii -Original Message- From: Pavel Machek [mailto:[EMAIL PROTECTED]] Sent: Tuesday, May 08, 2001 8:14 AM To:

Re: write to dvd ram

2001-05-08 Thread Jens Axboe
On Tue, May 08 2001, Ben Fennema wrote: > > The log is: > > Apr 15 20:58:27 hydra kernel: UDF-fs INFO UDF 0.9.1 (2000/02/29) Mounting > > volume 'UDF Volume', timestamp 2001/03/02 11:55 (1e98) > > At the very least, run 0.9.3 from sourceforce (or the cvs version) and > see if it works any

PCMCIA IDE flash problem found

2001-05-08 Thread Pavel Machek
Hi! 2.4.[123] changed name of ide-cs module, which means your pcmcia setup breaks... This is how to undo the damage. Works for me, do *not* apply into anything official. Pavel --- clean/drivers/ide/ide-cs.c Sun Apr 1 00:23:29

Re: kdb wishlist

2001-05-08 Thread Juan Quintela
> "slurn" == slurn <[EMAIL PROTECTED]> writes: >> >> Keith Owens wrote: >> > >> > This is part of my kdb wishlist, does anybody fancy writing the code to >> > add any of these features? It would be a nice project for anybody >> > wanting to start on the kernel. Replies to [EMAIL

PCMCIA ide flash card does not work

2001-05-08 Thread Pavel Machek
Hi! My ide flash card used to work in 2.4.0, but does not work in 2.4.4. Everything compiled in (no modules) May 8 13:43:44 bug cardmgr[58]: initializing socket 0 May 8 13:43:44 bug cardmgr[58]: socket 0: ATA/IDE Fixed Disk May 8 13:43:44 bug cardmgr[58]: module //pcmcia/ide_cs.o not

Re: [Question] Explanation of zero-copy networking

2001-05-08 Thread Alexander Eichhorn
At first, thanks for the (unexpected large) discussion and hints! Second: sorry for the multimedia-centric viewpoint, but i think it's an important task for future operating systems development (or better: for a real world OS like linux) to have sophisticated support for a _large diversity_ in

Re: write to dvd ram

2001-05-08 Thread Ben Fennema
> The log is: > Apr 15 20:58:27 hydra kernel: UDF-fs INFO UDF 0.9.1 (2000/02/29) Mounting > volume 'UDF Volume', timestamp 2001/03/02 11:55 (1e98) At the very least, run 0.9.3 from sourceforce (or the cvs version) and see if it works any better. Ben - To unsubscribe from this list: send the

Re: kdb wishlist

2001-05-08 Thread slurn
> > Keith Owens wrote: > > > > This is part of my kdb wishlist, does anybody fancy writing the code to > > add any of these features? It would be a nice project for anybody > > wanting to start on the kernel. Replies to [EMAIL PROTECTED] please. > > Current patches at

Re: [PATCH] x86 page fault handler not interrupt safe

2001-05-08 Thread Linus Torvalds
On Tue, 8 May 2001, Alan Cox wrote: > > I dont see where the alternative patch ensures the user didnt flip the > direction flag for one Yeah. We might as well just make it "eflags & IF", none of the other flags should matter (or we explicitly want them cleared). Linus - To

Re: [ot] named sockets

2001-05-08 Thread Mikael Pettersson
On Mon, 7 May 2001 21:47:33 -0400 (EDT), Adam <[EMAIL PROTECTED]> wrote: >So I'm wondering, is there a way, kind of like "relink" system call which >coule take existing file descriptor (they are still so the fd is there, >just unlinked) and link it back to file name? POSIX' fattach(int fd,

Re: [Question] Explanation of zero-copy networking

2001-05-08 Thread Jamie Lokier
Alan Cox wrote: > > so there's still single copy for write() of a mmap()ed page? > > An mmap page will go direct to disk. Looking at the 2.4.4 code, mmap() of file followed by write() to socket will copy the data once. I could be mistaken (only glanced at the code quickly) but I base that on

Re: Possible PCI subsystem bug in 2.4

2001-05-08 Thread Maciej W. Rozycki
On 4 May 2001, Eric W. Biederman wrote: > The example that sticks out in my head is we rely on the MP table to > tell us if the local apic is in pic_mode or in virtual wire mode. > When all we really have to do is ask it. You can't. IMCR is write-only and may involve chipset-specific

Re: nfs MAP_SHARED corruption fix

2001-05-08 Thread Kurt Garloff
On Tue, May 08, 2001 at 05:21:02PM +0200, Trond Myklebust wrote: > Could you instead detail exactly which corruption problem you are > trying to fix? int fd = open (name, O_RDWR); char* adr = (char*) mmap (0, len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); /* write to *adr through *(ard+len-1)

LSB 0.9 public draft

2001-05-08 Thread Alan Cox
To make sure this gets enough publicity and eyes on it.. - > The Linux Standard Base is in the final stages of the LSB written > specification for Linux. The workgroup has published the LSB v0.9 written > specification, and is undergoing a thirty day Request For Comments from >

Re: nfs MAP_SHARED corruption fix

2001-05-08 Thread Trond Myklebust
> " " == Andrea Arcangeli <[EMAIL PROTECTED]> writes: > This fixes corruption with MAP_SHARED on top of nfs filesystem > in 2.4: > --- 2.4.5pre1aa2/fs/nfs/write.c.~1~ Tue May 1 19:35:29 2001 > +++ 2.4.5pre1aa2/fs/nfs/write.c Tue May 8 02:04:15 2001 > @@ -1533,6

Re: RAID question

2001-05-08 Thread Jakob Østergaard
On Tue, May 08, 2001 at 12:48:25PM +1000, Peter Waltenberg wrote: > We have a RAID 5 system thats had 2 of 6 disks in the RAID go into thermal > shutdown. (Air-con failure). > > The disks are functional, but the RAID won't restart because the superblock > timestamps on those two disks are now

Re: [PATCH] allocation looping + kswapd CPU cycles

2001-05-08 Thread Alex Bligh - linux-kernel
> The real fix is to measure fragmentation and the progress of kswapd, but > that is too drastic for 2.4.x. I suspect the real fix might, in general, be a) to reduce use of kmalloc() etc. which gives physically contiguous memory, where virtually contiguous memory will do (and is,

Re: write to dvd ram

2001-05-08 Thread cacook
Many thanks Jim. Now at least I have a way. But I caution others that Linux modifies the UDF filesystem somehow, so that Winders can no longer understand it. I nearly lost all my music & photo archives to this. And attempts to rm or mv on a DVDRAM with UDF cause it to segfault & jam up.

2.2.19 + reiserfs 3.5.32 nfsd wait_on_buffer/down_failed

2001-05-08 Thread Michael Stiller
Hi, we run a nfs server utilizing 2.2.19 + ReiserFS version 3.5.32 on a P 3 550 machine. Disk subsystem is a GDT7518RN using 4 UW disks as raid 5 device. After upgrading from 2.2.17 + reiserfs to 2.2.19 we experience many (very much more than with 2.2.17) problems with our nfs clients about 12

Re: fs.file-max

2001-05-08 Thread Nathan Straz
On Tue, May 08, 2001 at 10:03:23AM +, Federico Edelman Anaya wrote: > What can I do to test the FD limit? ... Because, the FD limit is set in > /proc/sys/fs/file-max, sample: > > echo "2048" > /proc/sys/fs/file-max > ulimit -n 8192 > > In this case ... the FD limit = 8192 :( ... when the

kmalloc(..., GFP_ATOMIC) buffers contiguous - hence suitable for PCI DMA?

2001-05-08 Thread Khachaturov, Vassilii
Hi folks! (I have looked up in the archive the linux-kernel threads for kwds "DMA, contiguous, address" before writing this mail, and read the corresponding threads.) I am trying to port some driver to Linux2.4/i386. I have just read the "Linux device drivers" book by A.Rubini, and this is

Re: fs.file-max

2001-05-08 Thread Federico Edelman Anaya
Dan: Hi ... Dan Kegel wrote: > Federico Edelman Anaya ([EMAIL PROTECTED]) wrote: > > > What can I do to test the FD limit? ... Because, the FD limit is set in > > /proc/sys/fs/file-max, sample: > > > > echo "2048" > /proc/sys/fs/file-max > > That sets the systemwide limit to 2048. Ok ...

Re: CML2 design philosophy heads-up

2001-05-08 Thread Rogier Wolff
Eric S. Raymond wrote: > More generally, arguments of the form "Non-mainline custom hack X > could invalidate constraint Y, therefore we can't have Y in the > rulebase" are dangerous -- I suspect you could reduce your set of > constraints to nil very quickly that way, and thus badly screw over >

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