Re: [patch 4/4] KVM-trace port to tracepoints

2008-07-23 Thread Peter Zijlstra
On Tue, 2008-07-22 at 21:46 +0300, Avi Kivity wrote: > Jan Kiszka wrote: > > That's true - as long as you don't have to add/remove/modify > > tracepoints. I had to do this job in the past (not for KVM). Having 1 > > spot in 1 file (based on generic probes) would be handier in that case > > than 5 s

Re: [patch 4/4] KVM-trace port to tracepoints

2008-07-23 Thread Avi Kivity
Peter Zijlstra wrote: On Tue, 2008-07-22 at 21:46 +0300, Avi Kivity wrote: Jan Kiszka wrote: That's true - as long as you don't have to add/remove/modify tracepoints. I had to do this job in the past (not for KVM). Having 1 spot in 1 file (based on generic probes) would be handier in th

[ kvm-Bugs-2025527 ] kvm-71 crash (oops) in kvm_mmu_slot_remove_write_access

2008-07-23 Thread SourceForge.net
Bugs item #2025527, was opened at 2008-07-23 16:39 Message generated for change (Tracker Item Submitted) made by Item Submitter You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=893831&aid=2025527&group_id=180599 Please note that this message will contain a full copy

[ kvm-Bugs-2025527 ] kvm-71 crash (oops) in kvm_mmu_slot_remove_write_access

2008-07-23 Thread SourceForge.net
Bugs item #2025527, was opened at 2008-07-23 16:39 Message generated for change (Settings changed) made by danv You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=893831&aid=2025527&group_id=180599 Please note that this message will contain a full copy of the comment t

[ kvm-Bugs-2025534 ] gettimeofday goes backward

2008-07-23 Thread SourceForge.net
Bugs item #2025534, was opened at 2008-07-23 10:45 Message generated for change (Tracker Item Submitted) made by Item Submitter You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=893831&aid=2025534&group_id=180599 Please note that this message will contain a full copy

[ kvm-Bugs-2017966 ] Booting Vista Guest may crash host

2008-07-23 Thread SourceForge.net
Bugs item #2017966, was opened at 2008-07-14 06:30 Message generated for change (Comment added) made by jiajun You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=893831&aid=2017966&group_id=180599 Please note that this message will contain a full copy of the comment th

Re: [patch 4/4] KVM-trace port to tracepoints

2008-07-23 Thread Peter Zijlstra
On Wed, 2008-07-23 at 11:08 +0300, Avi Kivity wrote: > Peter Zijlstra wrote: > > On Tue, 2008-07-22 at 21:46 +0300, Avi Kivity wrote: > > > >> Jan Kiszka wrote: > >> > >>> That's true - as long as you don't have to add/remove/modify > >>> tracepoints. I had to do this job in the past (not f

Re: [patch 4/4] KVM-trace port to tracepoints

2008-07-23 Thread Avi Kivity
Peter Zijlstra wrote: There are currently no trace_mark() sites in the kernel that I'm aware of (except for the scheduler :-/, and those should be converted to tracepoints ASAP). Andrew raised the whole point about trace_mark() generating an user-visible interface and thus it should be stable, a

Re: [patch 4/4] KVM-trace port to tracepoints

2008-07-23 Thread Peter Zijlstra
On Wed, 2008-07-23 at 12:32 +0300, Avi Kivity wrote: > Peter Zijlstra wrote: > > There are currently no trace_mark() sites in the kernel that I'm aware > > of (except for the scheduler :-/, and those should be converted to > > tracepoints ASAP). > > > > Andrew raised the whole point about trace_mar

Re: [patch 4/4] KVM-trace port to tracepoints

2008-07-23 Thread Christoph Hellwig
On Wed, Jul 23, 2008 at 10:55:03AM +0200, Peter Zijlstra wrote: > Andrew raised the whole point about trace_mark() generating an > user-visible interface and thus it should be stable, and I agree with > that. I'm not sure why this comes up again and again, but it's utter bullshit. trace_mark does

Re: [PATCH 0/2] Paravirt loops per jiffy calculation

2008-07-23 Thread Gerd Hoffmann
Hi, > Turns out that only implementing a pv get_tsc_khz is not enough, since > it will only do the right thing for cpu0, which is not what we desire. > > So we set preset_lpj. Recall this code is run before arch parameter setup, > so if we pass lpj=xx in the command line, it'll still work. Hmm

Re: [patch 4/4] KVM-trace port to tracepoints

2008-07-23 Thread Avi Kivity
Christoph Hellwig wrote: On Wed, Jul 23, 2008 at 10:55:03AM +0200, Peter Zijlstra wrote: Andrew raised the whole point about trace_mark() generating an user-visible interface and thus it should be stable, and I agree with that. I'm not sure why this comes up again and again, but it's u

Re: [patch 4/4] KVM-trace port to tracepoints

2008-07-23 Thread Christoph Hellwig
On Wed, Jul 23, 2008 at 01:08:41PM +0300, Avi Kivity wrote: > trace_mark() is implement kvmtrace, which is propagated to userspace. > So while trace_mark() itself is not a userspace interface, one of its > users is. > > It's an unstable interface. But so is dmesg; that's the nature of tracing

Re: [patch 4/4] KVM-trace port to tracepoints

2008-07-23 Thread Mathieu Desnoyers
* Peter Zijlstra ([EMAIL PROTECTED]) wrote: > On Wed, 2008-07-23 at 12:32 +0300, Avi Kivity wrote: > > Peter Zijlstra wrote: > > > There are currently no trace_mark() sites in the kernel that I'm aware > > > of (except for the scheduler :-/, and those should be converted to > > > tracepoints ASAP).

Re: [patch 4/4] KVM-trace port to tracepoints

2008-07-23 Thread Mathieu Desnoyers
* Avi Kivity ([EMAIL PROTECTED]) wrote: > Peter Zijlstra wrote: >> On Tue, 2008-07-22 at 21:46 +0300, Avi Kivity wrote: >> >>> Jan Kiszka wrote: >>> That's true - as long as you don't have to add/remove/modify tracepoints. I had to do this job in the past (not for KVM). Having 1 >

Re: [PATCH 0/2] Paravirt loops per jiffy calculation

2008-07-23 Thread Glauber Costa
On Wed, Jul 23, 2008 at 7:07 AM, Gerd Hoffmann <[EMAIL PROTECTED]> wrote: > Hi, > >> Turns out that only implementing a pv get_tsc_khz is not enough, since >> it will only do the right thing for cpu0, which is not what we desire. >> >> So we set preset_lpj. Recall this code is run before arch para

Re: [PATCH 4/8] KVM: PCIPT: fix interrupt handling

2008-07-23 Thread Amit Shah
* On Wednesday 16 Jul 2008 18:47:01 Ben-Ami Yassour wrote: > This patch fixes a few problems with the interrupt handling for > passthrough devices. > > 1. Pass the interrupt handler the pointer to the device, so we do not > need to lock the pcipt lock in the interrupt handler. > > 2. Remove the pt_

[ kvm-Bugs-2017966 ] Booting Vista Guest may crash host

2008-07-23 Thread SourceForge.net
Bugs item #2017966, was opened at 2008-07-14 09:30 Message generated for change (Settings changed) made by mtosatti You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=893831&aid=2017966&group_id=180599 Please note that this message will contain a full copy of the comme

Re: [PATCH 2/2] Remove -tdf

2008-07-23 Thread Anthony Liguori
Gleb Natapov wrote: On Tue, Jul 22, 2008 at 08:20:41PM -0500, Anthony Liguori wrote: Currently both in-kernel PIT and even the in kernel irqchips are not 100% bullet proof. Of course this code is a hack, Gleb Natapov has send better fix for PIT/RTC to qemu list. Can you look into them: ht

Re: mmu notifier spte pinning

2008-07-23 Thread Sukanto Ghosh
Thanks Andrea, I think I got it this time. Regards, Sukanto -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html

scsi broken > 4GB RAM

2008-07-23 Thread Henrik Holst
I do not know if this is a bug in qemu or the linux kernel sym53c8xx module (I haven't had the opportunity to test with anything other than Linux at the moment) but if one starts an qemu instance with -m 4096 and larger the scsi emulated disk fails in the Linux guest. If booting any install cd the

Re: kexec/kdump of a kvm guest?

2008-07-23 Thread Mike Snitzer
On Sat, Jul 5, 2008 at 7:20 AM, Avi Kivity <[EMAIL PROTECTED]> wrote: > Mike Snitzer wrote: >> >> My host is x86_64 RHEL5U1 running 2.6.25.4 with kvm-70 (kvm-intel). >> >> When I configure kdump in the guest (running 2.6.22.19) and force a >> crash (with 'echo c > /proc/sysrq-trigger) kexec boots t

[ kvm-Bugs-2026321 ] -smp 2 has no effect and reduces stability

2008-07-23 Thread SourceForge.net
Bugs item #2026321, was opened at 2008-07-24 10:32 Message generated for change (Tracker Item Submitted) made by Item Submitter You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=893831&aid=2026321&group_id=180599 Please note that this message will contain a full copy

[ kvm-Bugs-2026321 ] -smp 2 has no effect and reduces stability

2008-07-23 Thread SourceForge.net
Bugs item #2026321, was opened at 2008-07-23 21:32 Message generated for change (Comment added) made by iggy_cav You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=893831&aid=2026321&group_id=180599 Please note that this message will contain a full copy of the comment

Re: Simple way of putting a VM on a LAN

2008-07-23 Thread Bill Davidsen
Javier Guerra wrote: On Wed, Jul 9, 2008 at 11:28 AM, Bill Davidsen <[EMAIL PROTECTED]> wrote: A bit of the original problem seems to have been clipped before you read it, or I stated it poorly. i think you're very confused. maybe you got it working the hard way, but it's really simpl

[ kvm-Bugs-2026321 ] "info cpus" crashes KVM with -smp 2+

2008-07-23 Thread SourceForge.net
Bugs item #2026321, was opened at 2008-07-24 10:32 Message generated for change (Comment added) made by danv You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=893831&aid=2026321&group_id=180599 Please note that this message will contain a full copy of the comment thre

[ kvm-Bugs-2026321 ] "info cpus" crashes KVM with -smp 2+

2008-07-23 Thread SourceForge.net
Bugs item #2026321, was opened at 2008-07-24 10:32 Message generated for change (Comment added) made by danv You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=893831&aid=2026321&group_id=180599 Please note that this message will contain a full copy of the comment thre

[ kvm-Bugs-2019053 ] tbench fails on guest when AMD NPT enabled

2008-07-23 Thread SourceForge.net
Bugs item #2019053, was opened at 2008-07-16 00:10 Message generated for change (Comment added) made by awwy You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=893831&aid=2019053&group_id=180599 Please note that this message will contain a full copy of the comment thre

[ kvm-Bugs-2019608 ] Ubuntu 8.04.1 (IA32 && x86_64) - cannot install bootloader

2008-07-23 Thread SourceForge.net
Bugs item #2019608, was opened at 2008-07-16 15:03 Message generated for change (Comment added) made by awwy You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=893831&aid=2019608&group_id=180599 Please note that this message will contain a full copy of the comment thre