Messages in this thread | | | Date | Thu, 15 Jul 2010 21:06:18 +0100 | From | Russell King - ARM Linux <> | Subject | Re: [PATCH] Stop ARM boards crashing when CUPS is loaded - 2.6.35-rc5 |
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On Thu, Jul 15, 2010 at 01:02:14PM -0700, Andrew Morton wrote: > > BugLink: http://bugs.launchpad.net/bugs/601226 > > > > When CUPS loads, it tries to load several drivers that it may need. > > When one of these drivers, specifically parport_pc is loaded on ARM > > based systems, it causes a segmentation fault as the ISA addresses > > which are attempted are not writable on non-PC based architectures. > > This code prevents ISA addresses from being attempted except on x86. > > > > That sounds like a pretty serious problem. But presumably it isn't - > otherwise it would have been fixed earlier! > > So what actions are required to trigger this bug and why aren't others > seeing it?
Note that we have machines which have ISA parallel ports, so it's not this simple.
Why not just avoid selecting and building parport_pc on these machines?
I mean, the Beagleboard doesn't have PCI nor ISA, so why is parport_pc being built for production use?
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