On Jun 6, 2013 5:42 PM, "H. Peter Anvin" <hpa at zytor.com> wrote:> > On 06/06/2013 02:40 PM, upen wrote: > > > > Some odd things I observed just now. > > 1. Since yesterday, I have been reseting the client box from VirtualboxVM> > menu (Reset option). This always showed me com32 vesamenu.c32 message. > > 2. Some time ago, I decided I power off the client VM( Close->powerofffrom> > Menu). This time I saw the menu. It didn't show the background jpgthough.> > Anyways I chose the menu option for loading ISO. It returned me the same > > menu options, while showing file not found messages at the bottom of the > > screen. > > 3. I tried reset as in (1), again com32 -vesamenu.c32 message as stated > > earlier. > > 4. Power off , power on . No menu this time. Shows thecom32-vesamenu.c32> > message as stated earlier. > > > > No such issues with pxelinux.0 though. > > > > I am now rebooting TFTP/DHCP server and see if that helps to any level. > > > > Sounds like it's losing lots of packets. > > -hpa >What PXE OROM is being used? VirtualBox version? While working on 4.10-pre, I recall cases others saw with dropped/intercepted packets and observed a race in a VM when it was using the wrong lwIP call. I was working on some verbose debug code that should help but need to port it up and finish it. --Gene
On Thu, Jun 6, 2013 at 5:38 PM, Gene Cumm <gene.cumm at gmail.com> wrote:> > On Jun 6, 2013 5:42 PM, "H. Peter Anvin" <hpa at zytor.com> wrote: > > > > On 06/06/2013 02:40 PM, upen wrote: > > > > > > Some odd things I observed just now. > > > 1. Since yesterday, I have been reseting the client box from > Virtualbox VM > > > menu (Reset option). This always showed me com32 vesamenu.c32 message. > > > 2. Some time ago, I decided I power off the client VM( Close->poweroff > from > > > Menu). This time I saw the menu. It didn't show the background jpg > though. > > > Anyways I chose the menu option for loading ISO. It returned me the > same > > > menu options, while showing file not found messages at the bottom of > the > > > screen. > > > 3. I tried reset as in (1), again com32 -vesamenu.c32 message as stated > > > earlier. > > > 4. Power off , power on . No menu this time. Shows the > com32-vesamenu.c32 > > > message as stated earlier. > > > > > > No such issues with pxelinux.0 though. > > > > > > I am now rebooting TFTP/DHCP server and see if that helps to any > level. > > > > > > > Sounds like it's losing lots of packets. > > > > -hpa > > > > What PXE OROM is being used? VirtualBox version? >Virtualbox version 4.2.12 r84980. AMD64. 00:00:01.780076 LanBootRom <string> "/opt/VirtualBox/ExtensionPacks/Oracle_VM_VirtualBox_Extension_Pack/PXE-Intel.rom" (cb=81 Thanks.> While working on 4.10-pre, I recall cases others saw with > dropped/intercepted packets and observed a race in a VM when it was using > the wrong lwIP call. I was working on some verbose debug code that should > help but need to port it up and finish it. > > --Gene >
On Thu, Jun 6, 2013 at 7:02 PM, upen <upendra.gandhi at gmail.com> wrote:> On Thu, Jun 6, 2013 at 5:38 PM, Gene Cumm <gene.cumm at gmail.com> wrote: >> On Jun 6, 2013 5:42 PM, "H. Peter Anvin" <hpa at zytor.com> wrote: >> > On 06/06/2013 02:40 PM, upen wrote: >> > > >> > > Some odd things I observed just now. >> > > 1. Since yesterday, I have been reseting the client box from >> > > Virtualbox VM >> > > menu (Reset option). This always showed me com32 vesamenu.c32 message. >> > > 2. Some time ago, I decided I power off the client VM( Close->poweroff >> > > from >> > > Menu). This time I saw the menu. It didn't show the background jpg >> > > though. >> > > Anyways I chose the menu option for loading ISO. It returned me the >> > > same >> > > menu options, while showing file not found messages at the bottom of >> > > the >> > > screen. >> > > 3. I tried reset as in (1), again com32 -vesamenu.c32 message as >> > > stated >> > > earlier. >> > > 4. Power off , power on . No menu this time. Shows the >> > > com32-vesamenu.c32 >> > > message as stated earlier. >> > > >> > > No such issues with pxelinux.0 though. >> > > >> > > I am now rebooting TFTP/DHCP server and see if that helps to any >> > > level. >> > > >> > >> > Sounds like it's losing lots of packets. >> > >> > -hpa >> > >> >> What PXE OROM is being used? VirtualBox version? > > Virtualbox version 4.2.12 r84980. AMD64. > 00:00:01.780076 LanBootRom <string> > "/opt/VirtualBox/ExtensionPacks/Oracle_VM_VirtualBox_Extension_Pack/PXE-Intel.rom" > (cb=81 > > Thanks. >> >> While working on 4.10-pre, I recall cases others saw with >> dropped/intercepted packets and observed a race in a VM when it was using >> the wrong lwIP call. I was working on some verbose debug code that should >> help but need to port it up and finish it.Now that I have this straight, I recall some issue in VirtualBox 4.2 that required a downgrade to 4.1. -- -Gene