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Hi! > > > I've no idea how to debug a reboot, but if the system hangs it's possible to > > > add "lcall $0xffff,$0" early in the wakeup assembler code. If the system > > > reboots immediatly then, the kernels wakeup code was reached and the kernel > > > hangs later during resume. > > > > Ok, I've just tried that. The system still just freezes. > > Whoops. May have been a bit too hasty there. I'm not sure why that > doesn't reset it, but we've now got the following (really rather odd) > serial output. Does anyone have any idea what might be triggering this? > Shell builtins work fine, but anything else seems to explode very > messily. Memory corruption of some description? > > ^MRestarting tasks... done > ^Mroot@(none):/# ^M > root@(none):/# ls -la ^M > Unable to handle kernel NULL pointer dereference at virtual address > > > 00000024 NULL pointer dereference in filp_open; whats that strange about it? Use printks to debug this one, nothing mysterious. Pavel - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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