Re: x86_64 : kernel initial decompression hangs on vmware

2007-10-10 Thread Fengguang Wu
On Wed, Oct 10, 2007 at 12:16:30PM -0700, Zachary Amsden wrote: > On Wed, 2007-10-10 at 15:37 +0800, Fengguang Wu wrote: > > Hi Zachary, > > > > One of my friends' vmware "hangs" on booting Linux 2.6.23, and then get > > it to work by applying your patch at http://lkml.org/lkml/2007/8/4/72. > > >

Re: x86_64 : kernel initial decompression hangs on vmware

2007-10-10 Thread Fengguang Wu
On Wed, Oct 10, 2007 at 03:18:42PM +0200, Andi Kleen wrote: > On Wednesday 10 October 2007 09:37:39 Fengguang Wu wrote: > > > One of my friends' vmware "hangs" > > It should just be a little slow. VMware seems to do something fishy > here -- KVM or Xen using VT don't have this issue. Yeah, it's

Re: x86_64 : kernel initial decompression hangs on vmware

2007-10-10 Thread Zachary Amsden
On Wed, 2007-10-10 at 15:37 +0800, Fengguang Wu wrote: > Hi Zachary, > > One of my friends' vmware "hangs" on booting Linux 2.6.23, and then get > it to work by applying your patch at http://lkml.org/lkml/2007/8/4/72. > > It would be nice to see your fix going into mainline :-) I thought that pa

Re: x86_64 : kernel initial decompression hangs on vmware

2007-10-10 Thread Andi Kleen
On Wednesday 10 October 2007 09:37:39 Fengguang Wu wrote: > One of my friends' vmware "hangs" It should just be a little slow. VMware seems to do something fishy here -- KVM or Xen using VT don't have this issue. > on booting Linux 2.6.23, and then get > it to work by applying your patch at ht

Re: x86_64 : kernel initial decompression hangs on vmware

2007-10-10 Thread Fengguang Wu
Hi Zachary, One of my friends' vmware "hangs" on booting Linux 2.6.23, and then get it to work by applying your patch at http://lkml.org/lkml/2007/8/4/72. It would be nice to see your fix going into mainline :-) Thank you, Fengguang --- PS. the original patch: VT is very picky about when it can

Re: 2.6.22 x86_64 : kernel initial decompression hangs on vmware

2007-08-09 Thread Avi Kivity
Zachary Amsden wrote: Avi Kivity wrote: We haven't seen any issue with the 2.6.22 boot decompressor. Which of the four (fs, gs, ldt, or tr) were proving problematic and why? It was tr that was affecting Workstation, since we boot through normal BIOS path, and only a 16-bit task was loaded

Re: 2.6.22 x86_64 : kernel initial decompression hangs on vmware

2007-08-09 Thread Zachary Amsden
Avi Kivity wrote: We haven't seen any issue with the 2.6.22 boot decompressor. Which of the four (fs, gs, ldt, or tr) were proving problematic and why? It was tr that was affecting Workstation, since we boot through normal BIOS path, and only a 16-bit task was loaded at this point. Just t

Re: 2.6.22 x86_64 : kernel initial decompression hangs on vmware

2007-08-09 Thread Avi Kivity
Zachary Amsden wrote: Since I was just involved in the boot decompressor for another bug, I took a look at this. 2.6.22 switches it to be 64-bit code. VT is very picky about what state it can run in. Not using VT on Intel 64-bit hardware cripples performance, running at far below normal s

Re: 2.6.22 x86_64 : kernel initial decompression hangs on vmware

2007-08-04 Thread Gabriel Barazer
On 08/04/2007 6:23:00 PM +0200, Zachary Amsden <[EMAIL PROTECTED]> wrote: Gabriel Barazer wrote: Hi, After upgrading kernel to 2.6.22 on a Vmware workstation guest version 5.5 and 6 , the kernel decompression stage ("Decompressing Linux...") is hanging for a very long time (~5 minutes) before

Re: 2.6.22 x86_64 : kernel initial decompression hangs on vmware

2007-08-04 Thread Zachary Amsden
Gabriel Barazer wrote: Hi, After upgrading kernel to 2.6.22 on a Vmware workstation guest version 5.5 and 6 , the kernel decompression stage ("Decompressing Linux...") is hanging for a very long time (~5 minutes) before finally succeeding (displaying "done.\nBooting the kernel.\n"). During t

Re: 2.6.22 x86_64 : kernel initial decompression hangs on vmware

2007-07-25 Thread Zachary Amsden
Gabriel Barazer wrote: Hi, After upgrading kernel to 2.6.22 on a Vmware workstation guest version 5.5 and 6 , the kernel decompression stage ("Decompressing Linux...") is hanging for a very long time (~5 minutes) before finally succeeding (displaying "done.\nBooting the kernel.\n"). During t

2.6.22 x86_64 : kernel initial decompression hangs on vmware

2007-07-25 Thread Gabriel Barazer
Hi, After upgrading kernel to 2.6.22 on a Vmware workstation guest version 5.5 and 6 , the kernel decompression stage ("Decompressing Linux...") is hanging for a very long time (~5 minutes) before finally succeeding (displaying "done.\nBooting the kernel.\n"). During this time, the VM proces