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...can start getting some packets. What I'm experiencing is that if the underlying device doesn't support interrupts, i.e. the IntNumber that is returned in PXENV_UNDI_GET_INFORMATION is 0, then lpxelinux.0 will hook IRQ0 which is very bad behavior. one good example of the faulty code is in undinet.c where we open a device, we hook the IRQ regardless if its 0 or not, while in the latest iPXE code this behavior was corrected and a check expression was added to avoid such bad behavior -----Original Message----- From: Syslinux [mailto:syslinux-bounces at zytor.com] On Behalf Of Geert Stappers v...

hi does anyone know if there are some known issues with running lpxelinux.0 with device that doesn't support Interrupts? i.e. irq function is null...

...t; > What I'm experiencing is that if the underlying device doesn't > support interrupts, i.e. the IntNumber that is returned in > PXENV_UNDI_GET_INFORMATION is 0, then lpxelinux.0 will hook IRQ0 > which is very bad behavior. > > one good example of the faulty code is in undinet.c where we open a > device, we hook the IRQ regardless if its 0 or not, while in the > latest iPXE code this behavior was corrected and a check expression > was added to avoid such bad behavior > This will happen if the device reports that it supports interrupts via the device flags, b...