----- Original Message ----- > From: "David Howells" <dhowe...@redhat.com> > To: "CAI Qian" <caiq...@redhat.com>, ru...@rustcorp.com.au > Cc: dhowe...@redhat.com, "LKML" <linux-kernel@vger.kernel.org> > Sent: Wednesday, April 3, 2013 1:38:50 AM > Subject: Re: NULL pointer at kset_find_obj > > 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. Hmm, unsure about how to check it, but here is the full log prior the panic, http://people.redhat.com/qcai/stable/log.key
CAI Qian > > > [ 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 > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
