Hi,
I implemented a small check loop at the end of the fast_page_copy
routine in mmx.c for the Athlon. Booting the resulting kernel
yields an interesting result. Every single time, the kernel
panics RIGHT AFTER it frees unused kernel memory from bootup.
I encourage those of you with the same
Hello. 8-)
I'm not in the list, please cc your replies to me.
After upgrading to 2.4.4 I started using tmpfs for /tmp and I
noticed a strange behavior:
dd if=/dev/zero of=blah bs=1024 count=102400
# increased my used swap space by approx. 100MiB (correct)
rm blah
# did not
Alan Cox wrote:
my DE-620 pccard stopped working after upgrading the kernel from
2.4.3-ac7 to 2.4.4. This is on a Toshiba 4080XCDT. I used the good
.config from the 2.4.3-ac7 build to do a make oldconfig. The symptoms
at startup are:
2.4.4 has older pcmcia than 2.4.3-ac7. It might
Am Freitag, 4. Mai 2001 02:57 schrieb Rusty Russell:
In message 01050120580701.01713@golmepha you write:
Hello,
Hi!
the patch at the bottom does the bulk job of strtok replacement. It's a
very boring patch, containing easy cases, only. It became a bit big, too,
but I trust you can
Linus Torvalds wrote:
On Thu, 3 May 2001, Alan Cox wrote:
Obvious one is to go to the next power of two clear.
The question is mainly _which_ power of two.
I don't think we can round up infinitely, as that might just end up
causing us to not have any PCI space at all. Or we could
Hi guys!
I have searched a long time for a method to disable the internal
speaker for every application, every daemon and so on.
With the help of [] I have found the right file :
drivers/char/vt.c
Now I have made some changes to this file (from 2.4.4 kernel).
I wanted to ask you whether you
Linus Torvalds wrote:
On Thu, 3 May 2001, Alan Cox wrote:
Ditto for some CD based stuff. You burn the important binaries to the front
of the CD, then at boot dd 64Mb to /dev/null to prime the libraries and
avoid a lot of seeking during boot up from the CD-ROM.
However I could do
On Fri, 4 May 2001, Nico Schottelius wrote:
I have searched a long time for a method to disable the internal
speaker for every application, every daemon and so on.
It would be cool if that weren't a compile time option but configurable at
runtime (via sysctl).
Simon
--
GPG public key
On Fri, May 04 2001, Rogier Wolff wrote:
On Thu, 3 May 2001, Alan Cox wrote:
Ditto for some CD based stuff. You burn the important binaries to the front
of the CD, then at boot dd 64Mb to /dev/null to prime the libraries and
avoid a lot of seeking during boot up from the CD-ROM.
Rogier Wolff [EMAIL PROTECTED] wrote:
during boot. I can then reshuffle my disk to have that 50M of data at
the beginning and reading all that into 50M of cache, I can save
Wasn't that one of the goals of the LVM project, along snapshots and
block-level HSM ?
-
To unsubscribe from this list:
Ok, I've got this isolated. Here's the sequence of events:
1. Some process T (probably top) opens /proc/N/stat.
2. While holding tasklist_lock the proc code does a get_task_struct()
to add a ref count to the page.
3. Process N exits.
4. The parent of process N exits.
5. Process T reads
Hi,
On Thu, May 03, 2001 at 12:03:39AM -0400, Dave Mielke wrote:
unresponsive. The relevant line in the log, as you can find in the attached
crash.log file, appears to be:
Unable to handle kernel paging request at virtual address 00020024
Apr 16 11:23:06 dave kernel: esi: 0002
On Fri, 04 May 2001 13:37:08 +0200,
Nico Schottelius [EMAIL PROTECTED] wrote:
I have searched a long time for a method to disable the internal
speaker for every application, every daemon and so on.
Userspace problem, userspace fix.
setterm -blength 0 (text)
xset b 0 (X11)
-
To unsubscribe
Martin.Knoblauch wrote:
Alan Cox wrote:
my DE-620 pccard stopped working after upgrading the kernel from
2.4.3-ac7 to 2.4.4. This is on a Toshiba 4080XCDT. I used the good
.config from the 2.4.3-ac7 build to do a make oldconfig. The symptoms
at startup are:
2.4.4 has older
On Fri, 04 May 2001 07:34:20 -0500,
Todd Inglett [EMAIL PROTECTED] wrote:
But this is where hell breaks loose. Every process has a valid parent
-- unless it is dead and nobody cares. Process N has already exited and
released from the tasklist while its parent was still alive. There was
no
I am trying to mmap() into user space a kernel buffer and am having
problems.
I have a simple test example, can someone please tell me what I have got
wrong ?
In a driver I do:
uint*kva;
kva = (uint*)kmalloc(4096, GFP_KERNEL);
*kva = 0x11223344;
printk(Address: %p %lx %x\n,
[EMAIL PROTECTED] said:
Looks like if you remove the inline from the function definition
this compiles OK.
Yup, looks like a compiler bug. I submitted a bug report to GCC-gnats.
Cheers,
Christian
-
To unsubscribe from this list: send the line
Seth Goldberg wrote:
Hi,
I implemented a small check loop at the end of the fast_page_copy
routine in mmx.c for the Athlon. Booting the resulting kernel
yields an interesting result. Every single time, the kernel
panics RIGHT AFTER it frees unused kernel memory from bootup.
I
Keith Owens [EMAIL PROTECTED] writes:
| On Fri, 04 May 2001 07:34:20 -0500,
| Todd Inglett [EMAIL PROTECTED] wrote:
| But this is where hell breaks loose. Every process has a valid parent
| -- unless it is dead and nobody cares. Process N has already exited and
| released from the tasklist
Hi Jacek,
On Fri, 4 May 2001, Jacek Kopecky wrote:
I'm not in the list, please cc your replies to me.
After upgrading to 2.4.4 I started using tmpfs for /tmp and I
noticed a strange behavior:
dd if=/dev/zero of=blah bs=1024 count=102400
# increased my used swap space by approx.
Andreas Schwab wrote:
Keith Owens [EMAIL PROTECTED] writes:
| On Fri, 04 May 2001 07:34:20 -0500,
| Todd Inglett [EMAIL PROTECTED] wrote:
| But this is where hell breaks loose. Every process has a valid parent
| -- unless it is dead and nobody cares. Process N has already exited and
|
There seems to be a contingent of people on the LKML who think that it
is appropriate to flame people off-list, in order to bask in their own
superiority, or prove that they are smarter by pointing out that someone
is an idiot, etc. I would figure that most intelligent people would
simply ignore
On Tuesday, May 01, 2001 04:57:02 PM -0600 Andreas Dilger
[EMAIL PROTECTED] wrote:
H. Peter Anvin writes:
Not correct, there can't be more than 2^15 *directories* in a single
directory. I belive this is an ext2 limitation.
I see that reiserfs plays some tricks with the directory
is to find out why this copy is not working properly...
For me the output is:
...
Freeing unused kernel memory: 188k freed
Kernel panic: fast_page_copy: dest value @ 0xcfed1000 (39312036) does
not equal source value @ cfed4000(79005b)!
Swap the panic for a printk/BUG() and see who
At 22:29 03/05/01, Anders Karlsson wrote:
I am not subscribed to the list, so if I could be CC'd on eventual
replies I would be grateful.
Sure.
I have a question regarding some of the parts of the overall
filesystem structure in the 2.4 kernel. (Kernel 2.4.[34].)
In the file fs/super.c the
I compiled the Linux kernel v2.4.4 and can't get 'console=ttyS0,115200
console=tty0' to work. This appended line works fine when I boot
into my 2.2.x series kernel.
Anyone have similar problems? Has anyone verified serial console
output works with the 2.4.x kernels? Thanks.
- Nick
Here is
expand_stack is only protected with down_read(mmap_sem), and thus 2
thread could grow a vma at the same time.
I think the spin_lock(page_table_lock) should be moved up before the
calculation of grow.
And map_user_kiobuf() doesn't honor VM_LOCKED for VM_GROWSDOWN segments.
Probably it should be
In message 01050413055100.00907@golmepha you write:
Am Freitag, 4. Mai 2001 02:57 schrieb Rusty Russell:
There are two cases where the substitution is problematic:
Yes, but...
The cases which my patch modifies are of a different kind:
The very first hunk of your patch is wrong. I
Hi,
On Fri, May 04, 2001 at 10:46:43PM +1000, Keith Owens wrote:
For a read only case, the only important
thing is not to die, one occurrence of bad data is tolerable.
Strong NACK. The pages where the bad data comes from may in some cases
already be reclaimed for other data, probably
On Fri, May 04, 2001 at 01:15:28PM +0400, Ivan Kokshaysky wrote:
However, there are 3 reasons why I prefer 16-bit counters:
I assume you mean 32bit counter. (that gives max 2^16 sleepers)
a. max user processes ulimit is much lower than 64K anyway;
the 2^16 limit is not a per-user limit it is
Hi,
We have a server which runs on a machine that now runs the new 2.4 kernel.
Since upgrading we've seen periods where it seems to just hang for minutes
at a time (anywhere form 5 minutes to an hour). I was finally able to get
a core dump of the server during one of these periods and it appears
In linux-kernel, you wrote:
I have som problem with my realtek 8139 clone. It won't work with dhcp
against my isp. I've just installed redhat 7.1 on a i386 with to (exactly
the same) network cards, one that should be connected to my isp, and one
to
the local network. My local network works fine,
Hi,
Below is the comment section from my SYSENTER module. Code itself (~20K)
can be found at the URL below. I want to point out that I'm not
subscribed to the linux-kernel list and would appreciate if you drop me
a CC when (or if:-) commenting.
http://fy.chalmers.se/~appro/linux/sysenter.c
On Fri, May 04, 2001 at 01:56:14PM +0200, Jens Axboe wrote:
Or you can rewrite block_read/write to use the page cache, in which case
you'd have more luck doing the above.
once block_dev is in pagecache there will obviously be no-way to share
cache between the block device and the filesystem,
Alan Cox [EMAIL PROTECTED] writes:
I suspect it would be safe to round up to the next megabyte, possibly up
to 64MB or so. But much more would make me nervous.
Any suggestions?
I'd go for 1MByte simply because I've not seen an EBDA/NVRAM area that large
stuck at the top of RAM. 1Mb
What kind of file was it close()ing?
- jim
Ah, good question. I should have specified this. It is a socket that is
being closed, not a regular file (the socket has nonblocking set).
p.s. Are you familiar with the strace(1) utility? It might help you get
more information the next time
Solved. Disregard. I didn't have serial console support compiled in.
Nick Papadonis [EMAIL PROTECTED] writes:
I compiled the Linux kernel v2.4.4 and can't get 'console=ttyS0,115200
console=tty0' to work. This appended line works fine when I boot
into my 2.2.x series kernel.
Anyone have
There are a couple of options here.
1) read the MTRRs unless the BIOS is braindead it will set up that area as
write-back. At any rate we shouldn't ever try to allocate a pci region
that is write-back cached.
'unless the BIOS is braindead'. Right. We only got into this problem because
I followed the link and read the article. I am glad you sent the link. I
am glad to see the Linux kernel doing so well. Does anyone else have any
Linux Kernel benchmark related links that are interesting?
Thank You,
Dan
- Original Message -
From: Michael Rothwell [EMAIL PROTECTED]
Matt D. Robinson [EMAIL PROTECTED] writes:
It looks like around 2.3.30 or so, someone added the call
disable_local_APIC() to smp_send_stop(). I'm not sure what the
intention was, but I'm getting some strange behavior as a result
based on some code I'm writing.
Basically, I'm doing the
On Fri, 4 May 2001, Todd Inglett wrote:
Ok, I've got this isolated. Here's the sequence of events:
1. Some process T (probably top) opens /proc/N/stat.
2. While holding tasklist_lock the proc code does a get_task_struct()
to add a ref count to the page.
3. Process N exits.
4. The
Alan Cox [EMAIL PROTECTED] writes:
There are a couple of options here.
1) read the MTRRs unless the BIOS is braindead it will set up that area as
write-back. At any rate we shouldn't ever try to allocate a pci region
that is write-back cached.
'unless the BIOS is braindead'.
Hello!
This oops happens when I run rmmod cdrom on a 2.4.4-ac4 kernel with
CONFIG_SYSCTL enabled. It doesn't happen if CONFIG_SYSCTL is disabled.
Full .config is here:
http://www.red-bean.com/~proski/linux/config
sr_mod isn't loaded at this point. Reference to sd_mod looks weird. After
this
Michael K. Johnson wrote:
In linux-kernel, you wrote:
I have som problem with my realtek 8139 clone. It won't work with dhcp
against my isp. I've just installed redhat 7.1 on a i386 with to (exactly
the same) network cards, one that should be connected to my isp, and one
to
the local
Michael K. Johnson [EMAIL PROTECTED] writes:
I have som problem with my realtek 8139 clone. It won't work with
dhcp against my isp. [...]
Determining IP configuration... Operation failed.
This sounds more like pump failing to negotiate dhcp properly than
like a failure in the driver.
On Fri, May 04, 2001 at 10:22:53AM +0100, David Howells wrote:
I don't know whether it will (a) compile, or (b) work... I don't have an alpha
to play with.
Neither (a) nor (b) ;-) Corrected asm-alpha/rwsem.h attached.
Also small fix for lib/rwsem.c -- RWSEM_WAITING_BIAS-RWSEM_ACTIVE_BIAS
Doh. I feel like a moron. Thanks.. will do...
--S
Brian Gerst wrote:
Seth Goldberg wrote:
Hi,
I implemented a small check loop at the end of the fast_page_copy
routine in mmx.c for the Athlon. Booting the resulting kernel
yields an interesting result. Every single time,
Seriously. With the general attitude of distrusting BIOS's I have
been amazed at the number of things linux expects the BIOS to get
right. In practice windows seem to trust the BIOS much less than
linux does.
It becomes more and more obvious over time exactly why. One problem however
is
I've had the same problem with the 8139too drivers and DHCP. The reason
I figure it must be the drivers is because in the 2.4.3 kernel, I'm able
to use the 8139too drivers with DHCP without any problems. In 2.4.4 it
locks my system.
Multiple such reports - seems the 8139too update broke
On Fri, May 04, 2001 at 04:33:59PM +0200, Andrea Arcangeli wrote:
the 2^16 limit is not a per-user limit it is a global one so the max
user process ulimit is irrelevant.
Only the number of pid and the max number of tasks supported by the
architecture is a relevant limit for this.
Thanks
On Fri, May 04, 2001 at 09:02:33PM +0400, Ivan Kokshaysky wrote:
But I can't imagine how this feature could be useful in a real life :-)
It will be required by the time we can fork more than 2^16 tasks (which
I'm wondering if it could be just the case if you use CLONE_PID as
root, I didn't
Alan Cox wrote:
I've had the same problem with the 8139too drivers and DHCP. The reason
I figure it must be the drivers is because in the 2.4.3 kernel, I'm able
to use the 8139too drivers with DHCP without any problems. In 2.4.4 it
locks my system.
Multiple such reports - seems the
Hi,
After removing my head from my a**, I revised the code that checks
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
idea and removed all the prefetch instructions from the beginning of the
routine
On Fri, 4 May 2001, Rogier Wolff wrote:
Linus Torvalds wrote:
Ehh. Doing that would be extremely stupid, and would slow down your boot
and nothing more.
Ehhh, Linus, Linearly reading my harddisk goes at 26Mb per second.
You obviously didn't read my explanation of _why_ it is stupid.
um, presumably this new magic page won't eliminate the old syscall entry
points. so just use those for UML.
-dean
On Fri, 4 May 2001, Pavel Machek wrote:
Hi!
That means that for fooling closed-source statically-linked binary,
If they are using glibc then you have the right to the
Eric W. Biederman wrote:
Matt D. Robinson [EMAIL PROTECTED] writes:
It looks like around 2.3.30 or so, someone added the call
disable_local_APIC() to smp_send_stop(). I'm not sure what the
intention was, but I'm getting some strange behavior as a result
based on some code I'm
On Fri, 4 May 2001, Andrea Arcangeli wrote:
On Fri, May 04, 2001 at 01:56:14PM +0200, Jens Axboe wrote:
Or you can rewrite block_read/write to use the page cache, in which case
you'd have more luck doing the above.
once block_dev is in pagecache there will obviously be no-way to share
On Fri, 4 May 2001, Linus Torvalds wrote:
Now, if you want to speed up accesses, there are things you can do. You
can lay out the filesystem in the access order - trace the IO accesses at
bootup (which file, which offset, which metadata block?) and lay out the
blocks of the files in
On 4 May 2001, Eric W. Biederman wrote:
There are a couple of options here.
1) read the MTRRs unless the BIOS is braindead it will set up that area as
write-back. At any rate we shouldn't ever try to allocate a pci region
that is write-back cached.
This one I'd really hesitate to
Linus, could you consider the patch below? As it is, access to
/proc/pid/status of dead process with dead parent is possible and
leads to access to freed memory. Besides, cd /proc/pid means
that even after pid is gone, readdir() _and_ lookup on /proc/pid work.
Patch makes sure that
On Fri, 4 May 2001, Alexander Viro wrote:
Ehh... There _is_ a way to deal with that, but it's deeply Albertesque:
* add pagecache access for block device
* put your real root on /dev/loop0 (setup from initrd)
* dd
You're one sick puppy.
Now, the above is basically
Ingo,
I'm really impressed by your feedback! How do you manage to discover so many
things?
I fixed the bug, and checked that it hadn't affected my specweb results.
Indeed specweb never issues closing 1.1 connections, it would use a 1.0
request with close in that case.
Moreover even if a
ok, I'm totally ignorant here, what is a pipelined request?
btw: please be kind with my mistakes, X15 _is_ alpha code anyway... :)
- Fabio
Ingo Molnar wrote:
yet another anomaly i noticed. X15 does not appear to handle pipelined
HTTP/1.1 requests properly, it ignores the second request if
Q. How come the handler doesn't manage so called bottom halves or
soft IRQs?
A. There is no need for this. Soft IRQs can only appear at exit from
hardware interrupt handlers. Indeed, we can't count on user app.
being around and performing a system call when it comes to
Linus Torvalds writes:
Now, if you want to speed up accesses, there are things you can
do. You can lay out the filesystem in the access order - trace the
IO accesses at bootup (which file, which offset, which metadata
block?) and lay out the blocks of the files in exactly the right
order.
On Fri, 4 May 2001, Linus Torvalds wrote:
On Fri, 4 May 2001, Alexander Viro wrote:
Ehh... There _is_ a way to deal with that, but it's deeply Albertesque:
^^^
* add pagecache access for block device
*
Quoth Keith Owens:
Userspace problem, userspace fix.
setterm -blength 0 (text)
xset b 0 (X11)
Well, some buggy programs don't care about you turning off beeping in
X. I think gnome-terminal or such has its own checkbox for turning
beeps on or off.
I still agree that this is fixing
On 04-May-2001 Fabio Riccardi wrote:
ok, I'm totally ignorant here, what is a pipelined request?
http://www.w3.org/Protocols/HTTP/Performance/Pipeline.html
QUOTE
A pipelined application implementation buffers its output before writing it to
the underlying TCP stack, roughly equivalent to
Hello:
Here are updates from ALSA. The interrupt acknowledge has a
potential bug report for it in RH bugzilla. Power-up fix I include
just because, Alan bounced it to me from sound-hackers;
Also Jeff Garzik asked for it. I wanted to include it with
full PM support, but perhaps not.
-- Pete
---
Alexander Viro writes:
On Fri, 4 May 2001, Richard Gooch wrote:
However, doing an ioctl(2) on the block device won't help. So the
question is, where to add the hook? One possibility is the FS, and
record inum,bnum pairs. But of course we don't have a way of accessing
via inum in
On Fri, May 04 2001, Richard Gooch wrote:
The idea I had (motivated by the desire to eliminate random disc
seeks, which is the limiting factor in how fast my boxes boot) was:
- init(8) issues an ioctl(2) on the root FS block device which turns
on recording of block reads (it records block
On Fri, 4 May 2001, Alexander Viro wrote:
ObProcfs: I don't think that walking the page tables is a good way to
compute RSS, especially since VM maintains the thing.
Well, the VM didn't always use to maintain the stuff it does now, so I bet
that most of the code is just old code that still
---
__asm__ __volatile__ (
158c157
3: movw $0x1AEB, 1b\n
---
3: movw $0x1AEB, 1b\n /* jmp on 26 bytes */
166c165
*/
---
170c169
1: nop\n /* prefetch 320(%0)\n */
---
1: prefetch 320(%0)\n
Chris writes:
On Tuesday, May 01, 2001 04:57:02 PM -0600 Andreas Dilger
[EMAIL PROTECTED] wrote:
I see that reiserfs plays some tricks with the directory i_nlink count.
If you exceed 64536 links in a directory, it reverts to 1 and no longer
tracks the link count.
Correct. The link
On Fri, 4 May 2001, Richard Gooch wrote:
Two of them: use less bloated shell (and link it statically) and
clean your rc scripts.
No, because I'm not using the latest bloated version of bash, and I'm
Umm... Last version of bash I could call not bloated was _long_ time
ago. Something
Ok thats nothing to do with I2O itself. Some hardware has the messaging
layer built into it as the messenger is very simple and stuff
like the 21554
are using in I2O controllers.
You might find i2o_pci.c and the i2o_core message passing code interesting
but probably not that much. The I2O
On Fri, 4 May 2001, Manfred Spraul wrote:
| ---
| __asm__ __volatile__ (
| 158c157
| 3: movw $0x1AEB, 1b\n
| ---
| 3: movw $0x1AEB, 1b\n /* jmp on 26 bytes */
| 166c165
| */
| ---
|
| 170c169
| 1: nop\n /* prefetch 320(%0)\n */
Alexander Viro writes:
On Fri, 4 May 2001, Richard Gooch wrote:
Two of them: use less bloated shell (and link it statically) and
clean your rc scripts.
No, because I'm not using the latest bloated version of bash, and I'm
Umm... Last version of bash I could call not bloated
Hi,
On 24 Apr 2001, Christoph Rohland wrote:
Hi Al,
On Tue, 24 Apr 2001, Alexander Viro wrote:
So yes, IMO having such patches available _is_ a good thing. And in
2.5 we definitely want them in the tree. If encapsulation part gets
there during 2.4 and separate allocation is available for
Seth Goldberg wrote:
Hi,
After removing my head from my a**, I revised the code that checks
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
idea and removed all the prefetch instructions from
On Fri, 4 May 2001, Richard Gooch wrote:
I don't bother splitting /usr off /. I gave up doing that when disc
became cheap. There's no point anymore. And since I have a lightweight
Yes, there is. Locality. Resistance to fs fuckups. Resistance to disk
fuckups. Easier to restore from tape.
Keith Owens wrote:
On Fri, 04 May 2001 13:37:08 +0200,
Nico Schottelius [EMAIL PROTECTED] wrote:
I have searched a long time for a method to disable the internal
speaker for every application, every daemon and so on.
Userspace problem, userspace fix.
This sounds good :) ... but -
I'm looking for people who know about the 3ware 6410 driver. I've got one
of these and sometimes it goes fast and sometimes it doesn't. The bad
case seems to happen after memory has a lot of cached blocks in it.
I've tried 2.2.15, 2.4.4, and 2.4.3-ac9 and they all behave pretty similarly.
Alexander Viro writes:
On Fri, 4 May 2001, Richard Gooch wrote:
I don't bother splitting /usr off /. I gave up doing that when disc
became cheap. There's no point anymore. And since I have a lightweight
Yes, there is. Locality. Resistance to fs fuckups. Resistance to
disk fuckups.
On Friday, May 04, 2001 01:15:22 PM -0600 Andreas Dilger
[EMAIL PROTECTED] wrote:
Chris writes:
On Tuesday, May 01, 2001 04:57:02 PM -0600 Andreas Dilger
[EMAIL PROTECTED] wrote:
I see that reiserfs plays some tricks with the directory i_nlink count.
If you exceed 64536 links in a
More data:
the test file is 2GB in size.
When I do a reboot and time the reading of the entire file,
the first time the performance is great, 27MB.
The second time it sucks, 2.7MB.
I tried clearing memory by allocating and pounding on an array of 512MB
(size of main mem), that clears out memory
setterm -blength 0 (text)
xset b 0 (X11)
Well, some buggy programs don't care about you turning off beeping in
X. I think gnome-terminal or such has its own checkbox for turning
beeps on or off.
Exactly.
I still agree that this is fixing userspace bugs in the kernel, and
probably
Quoth Nico Schottelius:
Can somebody give me a hint where to find documentation about
sysctl and howto use/program that ?
This is what Simon and David suggested.
But as long as I am not able to make sysctl's, I would like
to add this feature under the General setup.
What do you think
And yet more data -
Under 2.2.15 using 3ware's driver rather than the one shipped with the
kernel, one complete read goes at 35MB/sec (nice). The second one starts
out there and then drops down to 4MB/sec at the 1.2GB offset.
Here's the cool part - if I unmount, rmmod the driver, insmod,
Hi there,
when i install kernel 2.4.3 or higher on my slackware
system the card (3c900) gets detected but doesn't do
anything, i also get the line using NWAY 8 or something
like that (had to switch back to 2.4.2 to type e-mail)
wondered if anyone else had this problem and if there's
some way to
I've rewritten the single copy pipe code again.
Main changes:
* doesn't use map_user_kiobuf anymore. That function locked the pages
into memory. DoS attacks were possible. Now pages stay pageable.
* simpler code, fewer loops.
* support added for set_fs(KERNEL_DS)+pipe_write
* all transfers that
Hi,
Peter T. Breuer [EMAIL PROTECTED] writes:
A month of sundays ago Alan Cox wrote:
What IS the magic combination that makes select interruptible
by honest-to-goodness non-blocked signals!
man
[seriously man sigaction]
Equally seriously .. all signals are unblocked in my code
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 resultin kernel. I now have no crashes.
What
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Hello,
I am working on an kernel module which forwards TCP segments from one
interface to another (basic routing, no proxy or listener socket), but
which needs to be able to generate some segments completely independently
of the client--server data
This oops happens when I run rmmod cdrom on a 2.4.4-ac4 kernel with
CONFIG_SYSCTL enabled. It doesn't happen if CONFIG_SYSCTL is disabled.
sr_mod isn't loaded at this point. Reference to sd_mod looks weird. After
this oops the cdrom module remains in memory in the deleted state.
Unable
On Thu, May 03, 2001 at 07:47:47PM +0400, Ivan Kokshaysky wrote:
- removed some mb's for non-SMP
This isn't correct. Either you need atomic updates or you don't.
If you don't, then you shouldn't be using ll/sc at all. If you do
(perhaps to coordinate with devices) then the barriers are
On Thu, May 03, 2001 at 07:47:47PM +0400, Ivan Kokshaysky wrote:
Initially I tried to use __builtin_expect in the rwsem.h, but found
that it doesn't help at all in the small inline functions - it works
as expected only in a reasonably large block of code.
Eh? Would you give me an example
Rusty Russell [EMAIL PROTECTED] schrieb am 04.05.01:
In message 01050413055100.00907@golmepha you write:
Am Freitag, 4. Mai 2001 02:57 schrieb Rusty Russell:
There are two cases where the substitution is problematic:
Yes, but...
The cases which my patch modifies are of a
On Fri, May 04, 2001 at 02:03:35PM -0700, Adam Radford wrote:
Larry,
If there's anything to fix in the driver for this problem I'd be interested,
however I have not seen this problem before.
What benchmark (and options) are you running? bonnie++ ?
BTW... I am the author of the Linux
prefetch 320(%0) can fetch memory behind the end of the source page.
Perhaps it accesses memory in the ISA hole, or beyond the end of memory?
Could you post the e820 map from dmesg?
It's possible to build manually a memory map.
Could you build one with wide margins from dangerous areas?
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