Am 29.08.18 um 15:25 schrieb Kyle Evans: > On Wed, Aug 29, 2018 at 8:20 AM Rainer Hurling <rhurlin_at_gwdg.de> wrote: >> >> Am 29.08.18 um 11:37 schrieb Yuri Pankov: >>> Hi, >>> >>> I've noticed that all recent snapshots (ALPHA3, ALPHA2, ALPHA1, >>> 20180802) fail to boot on MBP 2017: >>> >>> kbd0 at kbdmux0 >>> netmap: loaded module >>> nexus0 >>> >>> Fatal trap 12: page fault while in kernel mode >>> cpuid = 2: apic id = 02 >>> fault virtual address = 0x74c64a50 >>> fault code = supervisor read data, page not present >>> instruction pointer = 0x20: 0x7abece31 >>> stack pointer = 0x28: 0xffffffff82b2f7c0 >>> frame pointer = 0x28: 0xffffffff82b2f810 >>> code segment = base 0x0, limit 0xfffff, type 0x1b >>> = DPL 0, pres 1, long 1, def32 0, gran 1 >>> processor eflags = interrupt enabled, resume, IOPL = 0 >>> current process = 0 (swapper) >>> [ thread pid 0 tid 100000 ] >>> Stopped at 0x7abece31: calll *0x18(%rax) >>> db> >>> >>> Sadly, there's no support for internal keyboard yet (it's connected via >>> SPI), and external USB one stops working. >>> >>> A (not so quick) bisect is pointing at r336921, which enabled EFIRT. >>> >>> Some questions here: >>> - is this something that can/should be fixed? >>> - can we print some "enabling EFIRT" message to the console to make >>> guesses about the problem source a bit easier? >> >> >> I have almost exactly the same trap on a DELL Latitude E6520 with ALPHA3. > > Hmm... that's a good data point. I might have a nearby Dell on-hand > with same firmware to reproduce with, then. > >> Only _with_ 'OPTIONS EFIRT' enabled in the kernel _and_ deactivating it >> via efi.rt.disabled=1 in /boot/loader.conf, it works for me. >> >> An oddity is, that the spelling of the loader tuneable has to be >> efi.rt.disabled, not efi.rt_disabled (note the dot instead of an >> underscore!). The one with the underscore, as mentioned in UPDATING, >> does not work for me. Isn't this a typo somewhere in the code? >> > > The UPDATING entry was later amended to reflect the new spelling > ("efi.rt.disabled") Oops, I must have missed it. Thanks for the update. > > Thanks, > > Kyle Evans >Received on Wed Aug 29 2018 - 11:33:06 UTC
This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:41:18 UTC