[valgrind] [Bug 374596] inconsistent RDTSCP support on x86_64

https://bugs.kde.org/show_bug.cgi?id=374596 Paul Floyd changed: What|Removed |Added Status|REPORTED|RESOLVED Resolution|---

[valgrind] [Bug 374596] inconsistent RDTSCP support on x86_64

https://bugs.kde.org/show_bug.cgi?id=374596 --- Comment #20 from NSLW --- I guess so. Originally I didn't dig deeper to find out that amd64g_dirtyhelper_CPUID_sse3_and_cx16 exists. -- You are receiving this mail because: You are watching all bug changes.

[valgrind] [Bug 374596] inconsistent RDTSCP support on x86_64

https://bugs.kde.org/show_bug.cgi?id=374596 --- Comment #19 from Paul Floyd --- Shouldn't this be something like else if ((archinfo->hwcaps & VEX_HWCAPS_AMD64_SSSE3) && (archinfo->hwcaps & VEX_HWCAPS_AMD64_CX16) (archinfo->hwcaps & VEX_HWCAPS_AMD64_RDTSCP)) {

[valgrind] [Bug 374596] inconsistent RDTSCP support on x86_64

https://bugs.kde.org/show_bug.cgi?id=374596 Paul Floyd changed: What|Removed |Added CC||pjfl...@wanadoo.fr -- You are receiving this

[valgrind] [Bug 374596] inconsistent RDTSCP support on x86_64

https://bugs.kde.org/show_bug.cgi?id=374596 --- Comment #18 from NSLW --- Created attachment 156085 --> https://bugs.kde.org/attachment.cgi?id=156085=edit [PATCH] Don't use SSE4.2 on Core2Duo Attached patch fixes the bug. Please commit it. -- You are receiving this mail because: You are

[valgrind] [Bug 374596] inconsistent RDTSCP support on x86_64

https://bugs.kde.org/show_bug.cgi?id=374596 --- Comment #17 from NSLW --- Created attachment 156081 --> https://bugs.kde.org/attachment.cgi?id=156081=edit /proc/cpuinfo of Intel Core2Duo -- You are receiving this mail because: You are watching all bug changes.

[valgrind] [Bug 374596] inconsistent RDTSCP support on x86_64

https://bugs.kde.org/show_bug.cgi?id=374596 NSLW changed: What|Removed |Added CC||lukasz.wojnilow...@gmail.co |

[valgrind] [Bug 374596] inconsistent RDTSCP support on x86_64

https://bugs.kde.org/show_bug.cgi?id=374596 Christopher Yeleighton changed: What|Removed |Added CC||giecr...@stegny.2a.pl --- Comment #15

[valgrind] [Bug 374596] inconsistent RDTSCP support on x86_64

https://bugs.kde.org/show_bug.cgi?id=374596 --- Comment #14 from Philippe Waroquiers --- (In reply to bugzilla from comment #13) > (In reply to Philippe Waroquiers from comment #10) > There was no cpuid utility available on our host, so we substituted an >

[valgrind] [Bug 374596] inconsistent RDTSCP support on x86_64

https://bugs.kde.org/show_bug.cgi?id=374596 --- Comment #13 from bugzi...@dcopp.net --- (In reply to Philippe Waroquiers from comment #10) > I guess that the problem is because VEX (somewhat) examines the > cpu it is running on, to advertise to the guest program another model of > cpu, chosen in

[valgrind] [Bug 374596] inconsistent RDTSCP support on x86_64

https://bugs.kde.org/show_bug.cgi?id=374596 --- Comment #12 from Philippe Waroquiers --- (In reply to Tom Hughes from comment #11) > No that's not the problem at all. Yes we may sometimes advertise different > flags from the real CPU but the issue here is that we

[valgrind] [Bug 374596] inconsistent RDTSCP support on x86_64

https://bugs.kde.org/show_bug.cgi?id=374596 --- Comment #11 from Tom Hughes --- No that's not the problem at all. Yes we may sometimes advertise different flags from the real CPU but the issue here is that we advertise that we don't support an instruction and the client program

[valgrind] [Bug 374596] inconsistent RDTSCP support on x86_64

https://bugs.kde.org/show_bug.cgi?id=374596 Philippe Waroquiers changed: What|Removed |Added CC|

[valgrind] [Bug 374596] inconsistent RDTSCP support on x86_64

https://bugs.kde.org/show_bug.cgi?id=374596 --- Comment #9 from bugzi...@dcopp.net --- Created attachment 103244 --> https://bugs.kde.org/attachment.cgi?id=103244=edit modified with RDTCSP in separate non-inlined function -- You are receiving this mail because: You are watching all bug

[valgrind] [Bug 374596] inconsistent RDTSCP support on x86_64

https://bugs.kde.org/show_bug.cgi?id=374596 --- Comment #8 from bugzi...@dcopp.net --- (In reply to Tom Hughes from comment #7) > I'm not saying it isn't a bug, just explaining what I think is causing it. > > What I do know is it's not likely to be easy to fix, but it probably needs > Julian to

[valgrind] [Bug 374596] inconsistent RDTSCP support on x86_64

https://bugs.kde.org/show_bug.cgi?id=374596 --- Comment #7 from Tom Hughes --- I'm not saying it isn't a bug, just explaining what I think is causing it. What I do know is it's not likely to be easy to fix, but it probably needs Julian to comment in more detail about whether it

[valgrind] [Bug 374596] inconsistent RDTSCP support on x86_64

https://bugs.kde.org/show_bug.cgi?id=374596 --- Comment #6 from bugzi...@dcopp.net --- (In reply to Tom Hughes from comment #4) > Ah sorry I misunderstood your original report... > > You're saying that valgrind aborts on the instruction even though you don't > try and execute it. My guess is

[valgrind] [Bug 374596] inconsistent RDTSCP support on x86_64

https://bugs.kde.org/show_bug.cgi?id=374596 --- Comment #5 from bugzi...@dcopp.net --- (In reply to Tom Hughes from comment #3) > Sure, but is the program compiled as 64 bit or 32 bit? It's using 32 bit > register names in the assembly but that might be normal for RDTSCP which is > why I asked

[valgrind] [Bug 374596] inconsistent RDTSCP support on x86_64

https://bugs.kde.org/show_bug.cgi?id=374596 --- Comment #4 from Tom Hughes --- Ah sorry I misunderstood your original report... You're saying that valgrind aborts on the instruction even though you don't try and execute it. My guess is that it's happening because that will be

[valgrind] [Bug 374596] inconsistent RDTSCP support on x86_64

https://bugs.kde.org/show_bug.cgi?id=374596 --- Comment #2 from bugzi...@dcopp.net --- No, this is on a 12-core 64-bit system, apparently running under libvirt. /etc/redhat-release = CentOS release 6.6 /proc/cpuinfo = processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 13 model

[valgrind] [Bug 374596] inconsistent RDTSCP support on x86_64

https://bugs.kde.org/show_bug.cgi?id=374596 --- Comment #3 from Tom Hughes --- Sure, but is the program compiled as 64 bit or 32 bit? It's using 32 bit register names in the assembly but that might be normal for RDTSCP which is why I asked how you were compiling it. -- You are

[valgrind] [Bug 374596] inconsistent RDTSCP support on x86_64

https://bugs.kde.org/show_bug.cgi?id=374596 Tom Hughes changed: What|Removed |Added CC||t...@compton.nu --- Comment #1