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On 16/10/2024 7:23, Christoph Hellwig wrote: > On Tue, Oct 15, 2024 at 06:23:44PM +0300, Yonatan Maman wrote: >> From: Yonatan Maman <Ymaman at Nvidia.com> >> >> This patch series aims to enable Peer-to-Peer (P2P) DMA access in >> GPU-centric applications that utilize RDMA and private device pages. This >> enhancement is crucial for minimizing data transfer overhe...

On Fri, Sep 25, 2020 at 11:47:42PM +0300, Manuel Wolfshant wrote: > On 9/25/20 1:36 PM, Lionel Élie Mamane wrote: >> On Thu, Sep 24, 2020 at 06:51:23PM +0300, Manuel Wolfshant wrote: >>> On 9/21/20 9:47 PM, Lionel Élie Mamane wrote: >>> We have a HP R/T 3000 G4 UPS; according to the data returned by >>> the usbhid-ups driver, it seems to be a "badge engineered&quo...

From: Yonatan Maman <Ymaman at Nvidia.com> This patch series addresses two critical issues in the Nouveau driver related to device channels, error handling, and sensitive data leaks. - Vulnerability in migrate_to_ram: The migrate_to_ram function might return a dirty HIGH_USER page when a copy push command (F...

https://bugzilla.netfilter.org/bugzilla/show_bug.cgi?id=490 netfilter@linuxace.com changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |netfilter@linuxace.com Status|NEW |RESOLVED Resolution|

? 2024/10/16 17:16, Yonatan Maman ??: > > > On 16/10/2024 7:23, Christoph Hellwig wrote: >> On Tue, Oct 15, 2024 at 06:23:44PM +0300, Yonatan Maman wrote: >>> From: Yonatan Maman <Ymaman at Nvidia.com> >>> >>> This patch series aims to enable Peer-to-Peer (P2P) DMA access in >&gt...

From: Yonatan Maman <Ymaman at Nvidia.com> This patch series aims to enable Peer-to-Peer (P2P) DMA access in GPU-centric applications that utilize RDMA and private device pages. This enhancement is crucial for minimizing data transfer overhead by allowing the GPU to directly expose device private page data to d...

From: Yonatan Maman <Ymaman at Nvidia.com> This patch series addresses two critical issues in the Nouveau driver related to device channels, error handling, and sensitive data leaks. - Vulnerability in migrate_to_ram: The migrate_to_ram function might return a dirty HIGH_USER page when a copy push command (F...

From: Yonatan Maman <Ymaman at Nvidia.com> When `nouveau_dmem_copy_one` is called, the following error occurs: [272146.675156] nouveau 0000:06:00.0: fifo: PBDMA9: 00000004 [HCE_PRIV] ch 1 00000300 00003386 This indicates that a copy push command triggered a Host Copy Engine Privileged error on channel 1 (Copy...

Did you look at the server logs as suggested by the logfile? Aki > On 13 November 2018 at 18:52 Lionel Elie Mamane <lionel at mamane.lu> wrote: > > > And the Sieve script: > > ------- start sieve script --------- > require ["vnd.dovecot.execute", "fileinto", "mailbox", "vnd.dovecot.debug"]; > > debug_log "about to execute"; &gt...

On Thu, Sep 24, 2020 at 06:51:23PM +0300, Manuel Wolfshant wrote: > On 9/21/20 9:47 PM, Lionel Élie Mamane wrote: >> We have a HP R/T 3000 G4 UPS; according to the data returned by the >> usbhid-ups driver, it seems to be a "badge engineered" Eaton 5PX >> UPS LI R 3000. >> We have a stubborn "Replace Battery" alarm that stays (...): >> The panel does...

...ed" this was some kind of stale flag in some internal NUT database or cache, but I couldn't find on the hard disk where that is/was, and restarting all NUT daemons & drivers didn't help either. Anybody has a clue how I should proceed or debug the issue? Thanks in advance, Lionel Mamane

On Wed, Sep 30, 2020 at 04:32:36PM +0200, Lionel Élie Mamane wrote: > On Fri, Sep 25, 2020 at 11:47:42PM +0300, Manuel Wolfshant wrote: >> On 9/25/20 1:36 PM, Lionel Élie Mamane wrote: > >> On Thu, Sep 24, 2020 at 06:51:23PM +0300, Manuel Wolfshant wrote: >>>> On 9/21/20 9:47 PM, Lionel Élie Mamane wrote: >>>> We h...

A copy push command might fail, causing `migrate_to_ram` to return a dirty HIGH_USER page to the user. This exposes a security vulnerability in the nouveau driver. To prevent memory leaks in `migrate_to_ram` upon a copy error, allocate a zero page for the destination page. Signed-off-by: Yonatan Maman <Ymaman at Nvidia.com> Signed-off-by: Gal Shalom <GalShalom at Nvidia.com> --- drivers/gpu/drm/nouveau/nouveau_dmem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_dmem.c b/drivers/gpu/drm/nouveau/nouveau_dmem.c index 6fb65b01d778.....

...00000004 [HCE_PRIV] ch 1 00000300 00003386 This indicates that a copy push command triggered a Host Copy Engine Privileged error on channel 1 (Copy Engine channel). To address this issue, modify the Copy Engine channel to allow privileged push commands Fixes: 6de125383a5cc Signed-off-by: Yonatan Maman <Ymaman at Nvidia.com> Signed-off-by: Gal Shalom <GalShalom at Nvidia.com> --- drivers/gpu/drm/nouveau/nouveau_drm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c index a58c31089613..0a7...

...Engine Channel - an error was observed when the nouveau_dmem_copy_one function is executed, leading to a Host Copy Engine Privileged error on channel 1. The patch addresses this by adjusting the Copy Engine channel configuration to permit privileged push commands, thus resolving the error. Yonatan Maman (2): nouveau/dmem: Fix privileged error in copy engine channel nouveau/dmem: Fix memory leak in `migrate_to_ram` upon copy error drivers/gpu/drm/nouveau/nouveau_dmem.c | 2 +- drivers/gpu/drm/nouveau/nouveau_drm.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) -- 2.34.1

I'm attempting to build an R package for distribution and am working from the directions found at http://www.maths.bris.ac.uk/~maman/computerstuff/Rhelp/Rpackages.html#Wi n-Win I've read through Writing R Extensions and various other "helpful" web sites. I've installed all relevant software (perl, cygwin, mingwin, hhc.exe). Here is what I have done so far: 1) Sourced data and functions into R 2) Used package....

On 9/25/20 1:36 PM, Lionel Élie Mamane wrote: > > On Thu, Sep 24, 2020 at 06:51:23PM +0300, Manuel Wolfshant wrote: >> On 9/21/20 9:47 PM, Lionel Élie Mamane wrote: >>> We have a HP R/T 3000 G4 UPS; according to the data returned by the >>> usbhid-ups driver, it seems to be a "badge engineered" E...

...Severity: enhancement Priority: P2 Component: ssh AssignedTo: unassigned-bugs at mindrot.org ReportedBy: cjwatson at debian.org Created attachment 1994 --> https://bugzilla.mindrot.org/attachment.cgi?id=1994 set IPV6_TCLASS for IPv6 connections Lionel Elie Mamane <lionel at mamane.lu> sent this report as http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=498297: OpenSSH sets the IPv4 ToS (Type of Service) byte to "low delay" or "max throughput" depending on the situation, but does not set the equivalent IPv6 Traffic Class byte. A...

Hi all, I am trying to install a custom package from its source using windows. Using this guide http://www.maths.bris.ac.uk/~maman/computerstuff/Rhelp/Rpackages.html I've gotten to the fifth step, but I get the following error in the command window: "'sh' is not recognized as an internal or external command, operable program or batch file." I saw in the help archives that R-tools needed to be installed a...

...o avail. Can anyone help me out? many thanks Matt Nunes ------------------------ Matt Nunes School of Mathematics, University of Bristol, University Walk, Bristol. BS8 1TW. UK. office tel. 0117 3311662 (room 1.1 St. Michael's House) Matt.Nunes at bristol.ac.uk http://www.maths.bris.ac.uk/~maman/