On Thu, Mar 17, 2016 at 10:59:51AM -0400, Valdis Kletnieks wrote: > Seeing this consistent crash on next-20160314. Sorry for shortened traceback, > hand-transcribed as the crash doesn't get logged to /sys/fs/pstore as > expected. next-20160307 works just fine. > > BUG: unable to handle kernel NULL pointer dereference at 000000000260 > IP: blocking_notifier_chain_register+0x37/0xd0 > ... > Call Trace: > bus_register_notifier+0x1c/0x20 > i2c_dev_init+0x9c/0xf2 > do_one_initcall_+0x99/0x210 > ? set_debug_rodata+0x12/0x12 > kernel_init_freeable+0x1b3/0x240 > kernel_init+0x3/0x100 > > 'git blame' doesn't seem to find anything relevant and recent in > kernel/notifier.c or drivers/i2c/i2c-dev.c. Does this ring any > bells, or is it time to bisect? Can you try a newer -next or apply this patch on top? https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/patch/drivers/i2c?id=b980a26d02d1f54be31346666222304fcd27ea33 I think this should solve it. Thanks for reporting! Wolfram
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