Re: Question about memory mapping mechanism

2007-05-21 Thread Martin Drab
On Tue, 13 Mar 2007, Hugh Dickins wrote: > On Fri, 9 Mar 2007, Martin Drab wrote: > > On Fri, 9 Mar 2007, Martin Drab wrote: > > > On Thu, 8 Mar 2007, Martin Drab wrote: > > > > On Thu, 8 Mar 2007, Carsten Otte wrote: > > > > > On

Re: Question about memory mapping mechanism

2007-05-21 Thread Martin Drab
On Tue, 13 Mar 2007, Hugh Dickins wrote: On Fri, 9 Mar 2007, Martin Drab wrote: On Fri, 9 Mar 2007, Martin Drab wrote: On Thu, 8 Mar 2007, Martin Drab wrote: On Thu, 8 Mar 2007, Carsten Otte wrote: On 3/8/07, Martin Drab [EMAIL PROTECTED] wrote: The thing is that I'd

Re: Question about memory mapping mechanism

2007-03-08 Thread Martin Drab
On Fri, 9 Mar 2007, Martin Drab wrote: > On Thu, 8 Mar 2007, Martin Drab wrote: > > > On Thu, 8 Mar 2007, Carsten Otte wrote: > > > > > On 3/8/07, Martin Drab <[EMAIL PROTECTED]> wrote: > > > > > > > > The thing is that I'd like to preve

Re: Question about memory mapping mechanism

2007-03-08 Thread Martin Drab
On Thu, 8 Mar 2007, Robert Hancock wrote: > Martin Drab wrote: > > Hi, > > > > I'm writing a driver for a sampling device that is constantly delivering a > > relatively high amount of data (about 16 MB/s) and I need to deliver the > > data to the user-space AS

Re: Question about memory mapping mechanism

2007-03-08 Thread Martin Drab
On Thu, 8 Mar 2007, Jeremy Fitzhardinge wrote: > Martin Drab wrote: > > Hi, > > > > I'm writing a driver for a sampling device that is constantly delivering a > > relatively high amount of data (about 16 MB/s) and I need to deliver the > > data to the user-s

Re: Question about memory mapping mechanism

2007-03-08 Thread Martin Drab
On Thu, 8 Mar 2007, Martin Drab wrote: > On Thu, 8 Mar 2007, Carsten Otte wrote: > > > On 3/8/07, Martin Drab <[EMAIL PROTECTED]> wrote: > > > > > > The thing is that I'd like to prevent kernel to swap these pages out, > > > because then I may loose

Re: Question about memory mapping mechanism

2007-03-08 Thread Martin Drab
On Thu, 8 Mar 2007, Martin Drab wrote: > Hi, > > I'm writing a driver for a sampling device that is constantly delivering a > relatively high amount of data (about 16 MB/s) and I need to deliver the > data to the user-space ASAP. To prevent data loss I create a queue of > b

Re: Question about memory mapping mechanism

2007-03-08 Thread Martin Drab
On Thu, 8 Mar 2007, Carsten Otte wrote: > On 3/8/07, Martin Drab <[EMAIL PROTECTED]> wrote: > > > > The thing is that I'd like to prevent kernel to swap these pages out, > > because then I may loose some data when they are not available in time > > for the next r

Question about memory mapping mechanism

2007-03-08 Thread Martin Drab
Hi, I'm writing a driver for a sampling device that is constantly delivering a relatively high amount of data (about 16 MB/s) and I need to deliver the data to the user-space ASAP. To prevent data loss I create a queue of buffers (consisting of few pages each) which are more or less directly

Re: Question about memory mapping mechanism

2007-03-08 Thread Martin Drab
On Thu, 8 Mar 2007, Carsten Otte wrote: On 3/8/07, Martin Drab [EMAIL PROTECTED] wrote: The thing is that I'd like to prevent kernel to swap these pages out, because then I may loose some data when they are not available in time for the next round. One think you could do is grab

Re: Question about memory mapping mechanism

2007-03-08 Thread Martin Drab
On Thu, 8 Mar 2007, Martin Drab wrote: Hi, I'm writing a driver for a sampling device that is constantly delivering a relatively high amount of data (about 16 MB/s) and I need to deliver the data to the user-space ASAP. To prevent data loss I create a queue of buffers (consisting of few

Re: Question about memory mapping mechanism

2007-03-08 Thread Martin Drab
On Thu, 8 Mar 2007, Martin Drab wrote: On Thu, 8 Mar 2007, Carsten Otte wrote: On 3/8/07, Martin Drab [EMAIL PROTECTED] wrote: The thing is that I'd like to prevent kernel to swap these pages out, because then I may loose some data when they are not available in time

Re: Question about memory mapping mechanism

2007-03-08 Thread Martin Drab
On Thu, 8 Mar 2007, Jeremy Fitzhardinge wrote: Martin Drab wrote: Hi, I'm writing a driver for a sampling device that is constantly delivering a relatively high amount of data (about 16 MB/s) and I need to deliver the data to the user-space ASAP. To prevent data loss I create a queue

Re: Question about memory mapping mechanism

2007-03-08 Thread Martin Drab
On Thu, 8 Mar 2007, Robert Hancock wrote: Martin Drab wrote: Hi, I'm writing a driver for a sampling device that is constantly delivering a relatively high amount of data (about 16 MB/s) and I need to deliver the data to the user-space ASAP. To prevent data loss I create a queue

Re: Question about memory mapping mechanism

2007-03-08 Thread Martin Drab
On Fri, 9 Mar 2007, Martin Drab wrote: On Thu, 8 Mar 2007, Martin Drab wrote: On Thu, 8 Mar 2007, Carsten Otte wrote: On 3/8/07, Martin Drab [EMAIL PROTECTED] wrote: The thing is that I'd like to prevent kernel to swap these pages out, because then I may loose some data

Question about memory mapping mechanism

2007-03-08 Thread Martin Drab
Hi, I'm writing a driver for a sampling device that is constantly delivering a relatively high amount of data (about 16 MB/s) and I need to deliver the data to the user-space ASAP. To prevent data loss I create a queue of buffers (consisting of few pages each) which are more or less directly

Re: Timeouts on ICH7 PATA drive with ata_piix; ide_generic works perfectly

2007-02-05 Thread Martin Drab
On Sun, 4 Feb 2007, Keenan Pepper wrote: > I just upgraded the kernel on my System76 Gazelle laptop (basically an > ASUS Z62FP without the Microsoft tax) and the hard drive began > freezing every few minutes. I blacklisted ata_piix and the problem > went away, so that really narrows down where

Re: Timeouts on ICH7 PATA drive with ata_piix; ide_generic works perfectly

2007-02-05 Thread Martin Drab
On Sun, 4 Feb 2007, Keenan Pepper wrote: I just upgraded the kernel on my System76 Gazelle laptop (basically an ASUS Z62FP without the Microsoft tax) and the hard drive began freezing every few minutes. I blacklisted ata_piix and the problem went away, so that really narrows down where the

Re: Intel PCI-E bridge ACPI resources and possibly related SATA unstability problems on ASUS A8Js

2007-01-26 Thread Martin Drab
On Fri, 26 Jan 2007, Luming Yu wrote: > On 1/26/07, Martin Drab <[EMAIL PROTECTED]> wrote: > > On Thu, 25 Jan 2007, Oleg Verych wrote: > > > > > On Thu, Jan 25, 2007 at 01:28:56PM +0100, Martin Drab wrote: > > > > On Thu, 25 Jan 2007, Oleg Verych w

Re: Intel PCI-E bridge ACPI resources and possibly related SATA unstability problems on ASUS A8Js

2007-01-26 Thread Martin Drab
On Thu, 25 Jan 2007, Oleg Verych wrote: > On Thu, Jan 25, 2007 at 01:28:56PM +0100, Martin Drab wrote: > > On Thu, 25 Jan 2007, Oleg Verych wrote: > > > > > gmane.linux.kernel: > > > > recently I got my hands on an ASUS A8Js notebook (Core 2 Duo T7200

Re: Intel PCI-E bridge ACPI resources and possibly related SATA unstability problems on ASUS A8Js

2007-01-26 Thread Martin Drab
On Thu, 25 Jan 2007, Oleg Verych wrote: On Thu, Jan 25, 2007 at 01:28:56PM +0100, Martin Drab wrote: On Thu, 25 Jan 2007, Oleg Verych wrote: gmane.linux.kernel: recently I got my hands on an ASUS A8Js notebook (Core 2 Duo T7200, Intel 945 PM PCI-E Chipset, for details see

Re: Intel PCI-E bridge ACPI resources and possibly related SATA unstability problems on ASUS A8Js

2007-01-26 Thread Martin Drab
On Fri, 26 Jan 2007, Luming Yu wrote: On 1/26/07, Martin Drab [EMAIL PROTECTED] wrote: On Thu, 25 Jan 2007, Oleg Verych wrote: On Thu, Jan 25, 2007 at 01:28:56PM +0100, Martin Drab wrote: On Thu, 25 Jan 2007, Oleg Verych wrote: gmane.linux.kernel: recently I got my

Re: Intel PCI-E bridge ACPI resources and possibly related SATA unstability problems on ASUS A8Js

2007-01-25 Thread Martin Drab
On Thu, 25 Jan 2007, Oleg Verych wrote: > On Thu, Jan 25, 2007 at 01:28:56PM +0100, Martin Drab wrote: > > On Thu, 25 Jan 2007, Oleg Verych wrote: > > > > > gmane.linux.kernel: > > > > recently I got my hands on an ASUS A8Js notebook (Core 2 Duo T7200

Re: Intel PCI-E bridge ACPI resources and possibly related SATA unstability problems on ASUS A8Js

2007-01-25 Thread Martin Drab
On Thu, 25 Jan 2007, Oleg Verych wrote: > gmane.linux.kernel: > > recently I got my hands on an ASUS A8Js notebook (Core 2 Duo T7200, > > Intel 945 PM PCI-E Chipset, for details see attached log). After booting > > the latest 2.6.20-rc5-git3 kernel (but the same behaviour occurs also with > >

Re: Intel PCI-E bridge ACPI resources and possibly related SATA unstability problems on ASUS A8Js

2007-01-25 Thread Martin Drab
On Thu, 25 Jan 2007, Oleg Verych wrote: gmane.linux.kernel: recently I got my hands on an ASUS A8Js notebook (Core 2 Duo T7200, Intel 945 PM PCI-E Chipset, for details see attached log). After booting the latest 2.6.20-rc5-git3 kernel (but the same behaviour occurs also with the

Re: Intel PCI-E bridge ACPI resources and possibly related SATA unstability problems on ASUS A8Js

2007-01-25 Thread Martin Drab
On Thu, 25 Jan 2007, Oleg Verych wrote: On Thu, Jan 25, 2007 at 01:28:56PM +0100, Martin Drab wrote: On Thu, 25 Jan 2007, Oleg Verych wrote: gmane.linux.kernel: recently I got my hands on an ASUS A8Js notebook (Core 2 Duo T7200, Intel 945 PM PCI-E Chipset, for details see attached

Intel PCI-E bridge ACPI resources and possibly related SATA unstability problems on ASUS A8Js

2007-01-24 Thread Martin Drab
Hi, recently I got my hands on an ASUS A8Js notebook (Core 2 Duo T7200, Intel 945 PM PCI-E Chipset, for details see attached log). After booting the latest 2.6.20-rc5-git3 kernel (but the same behaviour occurs also with the 2.6.19.2, didn't try any other), some strange behaviour can be

Re: Intel PCI-E bridge ACPI resources and possibly related SATA unstability problems on ASUS A8Js

2007-01-24 Thread Martin Drab
On Thu, 25 Jan 2007, Martin Drab wrote: > All of this is clearly reproducible. I do not know whether this behaviour > is somehow related to the ACPI detection problems stated at the beginning > of the mail, or whether these are two different bugs. That's why I haven't > reported it

Re: Intel PCI-E bridge ACPI resources and possibly related SATA unstability problems on ASUS A8Js

2007-01-24 Thread Martin Drab
On Thu, 25 Jan 2007, Martin Drab wrote: All of this is clearly reproducible. I do not know whether this behaviour is somehow related to the ACPI detection problems stated at the beginning of the mail, or whether these are two different bugs. That's why I haven't reported it to bugzilla yet

Intel PCI-E bridge ACPI resources and possibly related SATA unstability problems on ASUS A8Js

2007-01-24 Thread Martin Drab
Hi, recently I got my hands on an ASUS A8Js notebook (Core 2 Duo T7200, Intel 945 PM PCI-E Chipset, for details see attached log). After booting the latest 2.6.20-rc5-git3 kernel (but the same behaviour occurs also with the 2.6.19.2, didn't try any other), some strange behaviour can be

Re: [lm-sensors] Re: I2C block reads with i2c-viapro: testers wanted

2005-08-10 Thread Martin Drab
On Wed, 10 Aug 2005, Jean Delvare wrote: > Hi Hinko, > > > > In order to verify whether I2C block reads work for you, just > > > compare the contents of this file: > > > /sys/bus/i2c/devices/0-0050/eeprom > > > > I've tested your patch on gericom X5 with VIA chipset and it works > > fine

Re: [lm-sensors] Re: I2C block reads with i2c-viapro: testers wanted

2005-08-10 Thread Martin Drab
On Wed, 10 Aug 2005, Jean Delvare wrote: Hi Hinko, In order to verify whether I2C block reads work for you, just compare the contents of this file: /sys/bus/i2c/devices/0-0050/eeprom I've tested your patch on gericom X5 with VIA chipset and it works fine without/with your

General Protection Fault with bcmsensors

2005-08-08 Thread Martin Drab
Hi, I'm getting following general protection fault with bmcsensors and i2c-ipmi obtained from today's CVS and with 2.6.13-rc6 kernel. After that system doesn't seem to hang immediatelly (as I was able to do the dmesg below), however it seems that the internal IPMI watchdog restarted the

General Protection Fault with bcmsensors

2005-08-08 Thread Martin Drab
Hi, I'm getting following general protection fault with bmcsensors and i2c-ipmi obtained from today's CVS and with 2.6.13-rc6 kernel. After that system doesn't seem to hang immediatelly (as I was able to do the dmesg below), however it seems that the internal IPMI watchdog restarted the

Re: [2.6 patch] remove support for gcc < 3.2

2005-08-05 Thread Martin Drab
On Fri, 5 Aug 2005, Jan-Benedict Glaw wrote: > On Thu, 2005-08-04 22:38:31 +0200, Adrian Bunk <[EMAIL PROTECTED]> wrote: > > On Thu, Aug 04, 2005 at 08:54:47AM +0200, Jan-Benedict Glaw wrote: > > >... > > > Current GCC from CVS (plus minor configury patches) seems to work. We > > > had

RE: MCE problem on dual Opteron

2005-08-05 Thread Martin Drab
Problem resolved by BIOS and BCM Firmware update. Martin - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

RE: MCE problem on dual Opteron

2005-08-05 Thread Martin Drab
Problem resolved by BIOS and BCM Firmware update. Martin - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

Re: [2.6 patch] remove support for gcc 3.2

2005-08-05 Thread Martin Drab
On Fri, 5 Aug 2005, Jan-Benedict Glaw wrote: On Thu, 2005-08-04 22:38:31 +0200, Adrian Bunk [EMAIL PROTECTED] wrote: On Thu, Aug 04, 2005 at 08:54:47AM +0200, Jan-Benedict Glaw wrote: ... Current GCC from CVS (plus minor configury patches) seems to work. We had -fno-unit-at-a-time

Re: Is anyone maintaining the smb filesystem?

2005-08-04 Thread Martin Drab
On Thu, 4 Aug 2005, Gene Heskett wrote: > On Thursday 04 August 2005 04:25, [EMAIL PROTECTED] wrote: > >On 03/08/2005 17:03:04 linux-kernel-owner wrote: > >>Is anyone maintaining the smb filesystem in the Linux kernel? > > > >It probably won't help you much, but I had the same problem few > >

RE: MCE problem on dual Opteron

2005-08-04 Thread Martin Drab
> > From: [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED] On Behalf Of Martin Drab > > Sent: Thursday, August 04, 2005 8:55 AM > > To: Linux Kernel Mailing List > > Subject: MCE problem on dual Opteron > > > > Hi, > > > > I g

MCE problem on dual Opteron

2005-08-04 Thread Martin Drab
Hi, I get the following problem with 2.6.13-rc5-git1 on a dual Opteron machine: - ... [ 847.745921] CPU 0: Machine Check Exception:7 Bank 3: b400083b [ 847.746066] RIP 10: {pci_conf1_read+0xbe/0x110} [ 847.746149] TSC 189fe311d3f ADDR fdfc000cfe [

MCE problem on dual Opteron

2005-08-04 Thread Martin Drab
Hi, I get the following problem with 2.6.13-rc5-git1 on a dual Opteron machine: - ... [ 847.745921] CPU 0: Machine Check Exception:7 Bank 3: b400083b [ 847.746066] RIP 10:802c04ee {pci_conf1_read+0xbe/0x110} [ 847.746149] TSC 189fe311d3f ADDR

RE: MCE problem on dual Opteron

2005-08-04 Thread Martin Drab
] [mailto:[EMAIL PROTECTED] On Behalf Of Martin Drab Sent: Thursday, August 04, 2005 8:55 AM To: Linux Kernel Mailing List Subject: MCE problem on dual Opteron Hi, I get the following problem with 2.6.13-rc5-git1 on a dual Opteron machine: - ... [ 847.745921

Re: Is anyone maintaining the smb filesystem?

2005-08-04 Thread Martin Drab
On Thu, 4 Aug 2005, Gene Heskett wrote: On Thursday 04 August 2005 04:25, [EMAIL PROTECTED] wrote: On 03/08/2005 17:03:04 linux-kernel-owner wrote: Is anyone maintaining the smb filesystem in the Linux kernel? It probably won't help you much, but I had the same problem few months ago.

Re: Linux, Get the facts?

2005-08-03 Thread Martin Drab
On Wed, 3 Aug 2005, Jan Engelhardt wrote: > >> Hmmm . They put it such that it plays only in microsoft media player. > >> Case > >> closed :) > > > >I think you're vastly underestimating the skills of MPlayer. ;-) > >mplayer >

Re: Linux, Get the facts?

2005-08-03 Thread Martin Drab
On Wed, 3 Aug 2005, Jan Engelhardt wrote: Hmmm . They put it such that it plays only in microsoft media player. Case closed :) I think you're vastly underestimating the skills of MPlayer. ;-) mplayer

nForce2 box doesnt turn off with 2.6.13-rc5

2005-08-02 Thread Martin Drab
Hi, my box with nForce2 doesn't turn off automatically with 2.6.13-rc5 (perhaps also with -rc4). Everything seems to go as it should (both with "poweroff" and ) (even disks park) except for the actual turn-off. With -rc3 it works fine. Martin P.S.: It's a Gigabyte 7NNXP with latest BIOS. -

Re: Linux, Get the facts?

2005-08-02 Thread Martin Drab
On Tue, 2 Aug 2005, Puneet Vyas wrote: > Hmmm . They put it such that it plays only in microsoft media player. Case > closed :) I think you're vastly underestimating the skills of MPlayer. ;-) For instance mplayer

RE: Latest Adaptec AACRAID driver doesn't compile on latest kernel

2005-08-02 Thread Martin Drab
>> -Original Message- >> From: Martin Drab [mailto:[EMAIL PROTECTED] >> Sent: Monday, August 01, 2005 6:31 PM >> To: Salyzyn, Mark >> Subject: Latest Adaptec AACRAID driver doesn't compile on latest kernel >> >> Hi, Mark, >> >> beca

RE: Latest Adaptec AACRAID driver doesn't compile on latest kernel

2005-08-02 Thread Martin Drab
-Original Message- From: Martin Drab [mailto:[EMAIL PROTECTED] Sent: Monday, August 01, 2005 6:31 PM To: Salyzyn, Mark Subject: Latest Adaptec AACRAID driver doesn't compile on latest kernel Hi, Mark, because of the following kernel patch issued in 2.6.13-rc4

Re: Linux, Get the facts?

2005-08-02 Thread Martin Drab
On Tue, 2 Aug 2005, Puneet Vyas wrote: Hmmm . They put it such that it plays only in microsoft media player. Case closed :) I think you're vastly underestimating the skills of MPlayer. ;-) For instance mplayer

nForce2 box doesnt turn off with 2.6.13-rc5

2005-08-02 Thread Martin Drab
Hi, my box with nForce2 doesn't turn off automatically with 2.6.13-rc5 (perhaps also with -rc4). Everything seems to go as it should (both with poweroff and CtrlSysRqO) (even disks park) except for the actual turn-off. With -rc3 it works fine. Martin P.S.: It's a Gigabyte 7NNXP with latest

Re: AACRAID failure with 2.6.13-rc1

2005-07-29 Thread Martin Drab
On Fri, 29 Jul 2005, Andrew Morton wrote: > "Salyzyn, Mark" <[EMAIL PROTECTED]> wrote: > > > > Martin may be overplaying the performance angle. > > > > A previous patch took the adapter from 64K to 4MB transaction sizes > > across the board. This caused Martin's adapter and drive combination

Re: AACRAID failure with 2.6.13-rc1

2005-07-29 Thread Martin Drab
On Thu, 28 Jul 2005, Andrew Morton wrote: > Martin Drab <[EMAIL PROTECTED]> wrote: > > > > Hi, > > > > I have a problem with the AACRAID driver on 2.6.13-rc1-git6 (also tested > > with -git4). I have an Adaptec AAR-2410SA SATA RAID controller card wi

Re: AACRAID failure with 2.6.13-rc1

2005-07-29 Thread Martin Drab
On Thu, 28 Jul 2005, Andrew Morton wrote: Martin Drab [EMAIL PROTECTED] wrote: Hi, I have a problem with the AACRAID driver on 2.6.13-rc1-git6 (also tested with -git4). I have an Adaptec AAR-2410SA SATA RAID controller card with 2 RAIDs defined on (sda (Data 2) is a non-actual

Re: AACRAID failure with 2.6.13-rc1

2005-07-29 Thread Martin Drab
On Fri, 29 Jul 2005, Andrew Morton wrote: Salyzyn, Mark [EMAIL PROTECTED] wrote: Martin may be overplaying the performance angle. A previous patch took the adapter from 64K to 4MB transaction sizes across the board. This caused Martin's adapter and drive combination to tip-over.

AACRAID failure with 2.6.13-rc1

2005-07-05 Thread Martin Drab
Hi, I have a problem with the AACRAID driver on 2.6.13-rc1-git6 (also tested with -git4). I have an Adaptec AAR-2410SA SATA RAID controller card with 2 RAIDs defined on (sda (Data 2) is a non-actual-RAID disk space where is the root (/) system on sda2, and sdb (Data 1) which is a 4 HDD RAID

AACRAID failure with 2.6.13-rc1

2005-07-05 Thread Martin Drab
Hi, I have a problem with the AACRAID driver on 2.6.13-rc1-git6 (also tested with -git4). I have an Adaptec AAR-2410SA SATA RAID controller card with 2 RAIDs defined on (sda (Data 2) is a non-actual-RAID disk space where is the root (/) system on sda2, and sdb (Data 1) which is a 4 HDD RAID