CAI Qian <caiq...@redhat.com> wrote:

> Just booted the latest mainline,
> 
> [   35.217698] Request for unknown module key 'Magrathea: Glacier signing
> key: 8b7774b08bc4ee9637073434c10f0823f6fbe523' err -11

Can you check back earlier in the dmesg to see whether the kernel tried to
load the key?  -11 is presumably -EAGAIN - in which case no such key was found
(rather than there being a cached lookup failure which is what -ENOKEY would
indicate).  It is possible that you encountered the key-not-yet-valid problem
due to your h/w clock showing a value prior to the start date on the key.
 
> [   35.218511] BUG: unable to handle kernel paging request at 
> ffffffffa03093f0 
> [   35.218521] IP: [<ffffffff81304710>] kset_find_obj+0x30/0x80 
> ...
> [   35.218575] Call Trace: 
> [   35.218583]  [<ffffffff810c827d>] load_module+0xb0d/0x1b00 
> [   35.218587]  [<ffffffff81321880>] ? ddebug_proc_open+0xc0/0xc0 
> [   35.218593]  [<ffffffff81628cd8>] ? page_fault+0x28/0x30 
> [   35.218596]  [<ffffffff810c9347>] sys_init_module+0xd7/0x120 
> [   35.218601]  [<ffffffff81630d59>] system_call_fastpath+0x16/0x1b 

I think this bit should be waved in front of Rusty.  It looks like it might be
a bug in error handling code.

David
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