search for: gamari

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2013 Aug 07
58
[Bug 67878] New: Hardware freeze after resume from suspend
...Bug ID: 67878 Assignee: nouveau at lists.freedesktop.org Summary: Hardware freeze after resume from suspend QA Contact: xorg-team at lists.x.org Severity: critical Classification: Unclassified OS: Linux (All) Reporter: bgamari at gmail.com Hardware: x86-64 (AMD64) Status: NEW Version: unspecified Component: Driver/nouveau Product: xorg Created attachment 83798 --> https://bugs.freedesktop.org/attachment.cgi?id=83798&action=edit dmesg output from boot to attem...
2014 Jul 23
2
[LLVMdev] [PATCH] Symbol offsets
Rafael Espíndola <rafael.espindola at gmail.com> writes: >> I suspected this was the case. Is a rework of prefix support likely to >> make it in for 3.5? >> > > Unlikely. It has branched already and I don't know of anyone working on it. > Fair enough. If there is consensus around a reasonably concrete proposal I would be happy to put together a patch
2014 Sep 16
2
[LLVMdev] [PATCH] Symbol offsets
...k it's a reasonable proposal, but obviously I floated it. :) Let's try to get a second opinion. Again, it's a syntax something like: define void @foo() prefix [i8* x 2] { i8* @a, i8* @b } prologue [i8 x 4] c"\xde\xad\xbe\xef" { ret void } On Thu, Aug 21, 2014 at 1:58 PM, Ben Gamari <bgamari.foss at gmail.com> wrote: > Ben Gamari <bgamari.foss at gmail.com> writes: > > > Rafael Espíndola <rafael.espindola at gmail.com> writes: > > > >>> I suspected this was the case. Is a rework of prefix support likely to > >>> make...
2014 May 27
2
[LLVMdev] GHC, aliases, and LLVM HEAD
Rafael Espíndola <rafael.espindola at gmail.com> writes: > On 25 May 2014 21:29, Ben Gamari <bgamari.foss at gmail.com> wrote: >> Sure. I think the only reason our use of aliases worked previously was >> that the optimizer elided them long before they could make it into an >> object file. > > If that is the case, you should be able to just directly replace al...
2010 Apr 11
1
Re: Poor interactive performance with I/O loads with fsync()ing
On Sun, 11 Apr 2010 18:03:00 +0300, Avi Kivity <avi@redhat.com> wrote: > On 04/09/2010 05:56 PM, Ben Gamari wrote: > > On Mon, 29 Mar 2010 00:08:58 +0200, Andi Kleen<andi@firstfloor.org> wrote: > > > >> Ben Gamari<bgamari.foss@gmail.com> writes: > >> ext4/XFS/JFS/btrfs should be better in this regard > >> > >> > > I am using bt...
2014 Jul 20
2
[LLVMdev] [PATCH] Symbol offsets
Rafael Espíndola <rafael.espindola at gmail.com> writes: > Now that aliases can have any expressions, can't you use something like > > @data = private global [2 x i32] [i32 42, i32 43] > @symbol = alias getelementptr ([2 x i32]* @data, i32 0, i32 1) > > This produces > > .Ldata: > .long 42 # 0x2a > .long 43
2011 Jun 06
2
Re: New btrfsck status
Chris Mason on 10 Feb 13:17: > Excerpts from Ben Gamari''s message of 2011-02-09 21:52:20 -0500: > > Over the last several months there have been many claims regarding > > the release of the rewritten btrfsck. Unfortunately, despite > > numerous claims that it will be released Real Soon Now(c), I have > > yet to see even...
2014 May 26
3
[LLVMdev] GHC, aliases, and LLVM HEAD
Rafael Espíndola <rafael.espindola at gmail.com> writes: > On 25 May 2014 21:29, Ben Gamari <bgamari.foss at gmail.com> wrote: >> >> For a while now LLVM has started rejecting aliases referring to things >> other than definitions[1]. > > We started checking for it. Aliases are just another label in an > object file. The linker itself doesn't know they...
2014 Jul 23
2
[LLVMdev] [PATCH] Symbol offsets
Rafael Espíndola <rafael.espindola at gmail.com> writes: > On 20 July 2014 18:18, Ben Gamari <bgamari.foss at gmail.com> wrote: >> Rafael Espíndola <rafael.espindola at gmail.com> writes: >> >>> Now that aliases can have any expressions, can't you use something like >>> >>> @data = private global [2 x i32] [i32 42, i32 43] >>>...
2014 May 26
3
[LLVMdev] GHC, aliases, and LLVM HEAD
Peter: Please feel free to correct me if there are any inaccuracies below. For a while now LLVM has started rejecting aliases referring to things other than definitions[1]. This unfortunately breaks GHC's LLVM code generator which referes to most symbols through aliases. This is done in two situations, 1. As place-holders for external symbols. As the code generator does not
2023 Jan 18
1
Problem installing gdb into Rtools42
...on main, so I confused problems with gdb with problems with the program I'm trying to debug! Incidentally, my remark about mingw-w64 problems in other communities alluded to the Haskell development community, where an ABI incompatibility was discovered about a year ago. It is discussed by Ben Gamari here https://gitlab.haskell.org/ghc/ghc/-/issues/19945. Dominick On Wed, Jan 18, 2023 at 12:56 PM Tomas Kalibera <tomas.kalibera at gmail.com> wrote: > On 1/18/23 17:39, Dominick Samperi wrote: > > Thanks, > > But this didn't work. It installs msys2 along with lots of...
2014 May 27
6
[LLVMdev] [PATCH] Symbol offsets
...[2] http://lists.cs.uiuc.edu/pipermail/llvmdev/2013-July/063909.html [3] http://lists.cs.uiuc.edu/pipermail/llvmdev/2012-February/047514.html [4] http://www.haskell.org/pipermail/ghc-devs/2013-September/002565.html [5] https://ghc.haskell.org/trac/ghc/ticket/4213#comment:12 [6] https://github.com/bgamari/llvm/compare/symbol-offset -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 472 bytes Desc: not available URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20140527/d604a681/attachment.sig>
2023 Jan 18
2
Problem installing gdb into Rtools42
...e debug info (for R or packages, depending on what you need to debug). > > Incidentally, my remark about mingw-w64 problems in other communities > alluded to the Haskell development > community, where an ABI incompatibility was discovered about a year > ago. It is discussed by Ben Gamari here > https://gitlab.haskell.org/ghc/ghc/-/issues/19945. From a quick look it seems to be an incompatibility between two libraries implementing POSIX regular expressions, essentially a name clash, they just need to make sure to consistently use one of them. It is not a problem of MinGW-W64...
2012 Feb 18
4
FADV_DONTNEED support
While going through an old todo list I found that these patches had fallen by the way-side. About a year ago I initiated a discussion[1] with the Linux kernel folks regarding the lack of any useable fadvise support on the kernel side. As a result, I was observing extremely poor performance on my server after backup as executable pages were being swapped out in favor of data waiting to be flushed
2010 Nov 04
4
fadvise DONTNEED implementation (or lack thereof)
I've recently been trying to track down the root cause of my server's persistent issue of thrashing horribly after being left inactive. It seems that the issue is likely my nightly backup schedule (using rsync) which traverses my entire 50GB home directory. I was surprised to find that rsync does not use fadvise to notify the kernel of its use-once data usage pattern. It looks like a
2010 Nov 23
1
[RFC PATCH] fadvise support in rsync
Warning for kernel folks: I'm not much of an mm person; let me know if I got anything horribly wrong. Many folks use rsync in their nightly backup jobs. In these applications, speed is of minimal concern and should be sacrificed in order to minimize the effect of rsync on the rest of the machine. When rsync is working on a large directory it can quickly fill the page cache with written data,
2023 Jan 19
2
Problem installing gdb into Rtools42
...kages, depending on what you need to debug). >> >> >> Incidentally, my remark about mingw-w64 problems in other communities >> alluded to the Haskell development >> community, where an ABI incompatibility was discovered about a year ago. >> It is discussed by Ben Gamari here >> https://gitlab.haskell.org/ghc/ghc/-/issues/19945. >> >> From a quick look it seems to be an incompatibility between two libraries >> implementing POSIX regular expressions, essentially a name clash, they just >> need to make sure to consistently use one of the...
2023 Jan 18
1
Problem installing gdb into Rtools42
On 1/18/23 17:39, Dominick Samperi wrote: > Thanks, > > But this didn't work. It installs msys2 along with lots of other > stuff, and gdb would not start as before (missing DLL's). > > Then I tried to run the command you suggested again, and there was a > warning from the package manager about a cycle detected, but now gdb > starts with the following messages...
2017 Mar 07
4
[BUG Report] -dead_strip, strips prefix data unconditionally on macOS
Firstly, do you need "main.dsp" defined as an external symbol, or can all external references go via "main"? If the answer is the latter, that will make the solution simpler. If only the latter, you will need to make a change to LLVM here: http://llvm-cs.pcc.me.uk/lib/CodeGen/AsmPrinter/AsmPrinter.cpp#650 Basically you would need to add a hook to the TargetLoweringObjectFile
2011 Feb 10
1
Recovering data from disk with loose cable
We have a disk array behind two external SATA port multipliers (four disks on each multiplier) which has been running btrfs (RAID 1 for both data and metadata). Unfortunately, earlier today it seems one of the SATA cables came loose, resulting in the kernel (2.6.37) eventually OOPSing although apparently not before writing quite a bit of data. Upon reboot, I was met with the dreaded,