Boot time panic with 11.3-RELEASE on HP DL380 G7

[Greg Rivers]

frame pointer   = 0x28:0xfe231ad3ca50
code segment= base 0x0, limit 0xf, type 0x1b
= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags= interrupt enabled, resume, IOPL = 0
current process = 12 (swi4: clock (0))
trap number = 12
panic: page fault
cpuid = 0
KDB: stack backtrace:
#0 0x80b4c4b7 at kdb_backtrace+0x67
#1 0x80b054ce at vpanic+0x17e
#2 0x80b05343 at panic+0x43
#3 0x80f894f9 at trap_fatal+0x369
#4 0x80f89559 at trap_pfault+0x49
#5 0x80f88bdd at trap+0x29d
#6 0x80f68d9c at calltrap+0x8
#7 0x80b1d72f at softclock_call_cc+0x14f
#8 0x80b1dc29 at softclock+0x79
#9 0x80acb6f9 at intr_event_execute_handlers+0xe9
#10 0x80acb9d7 at ithread_loop+0xe7
#11 0x80ac8aa3 at fork_exit+0x83
#12 0x80f69d6e at fork_trampoline+0xe
Uptime: 3s
Automatic reboot in 15 seconds - press a key on the console to abort

This happens every time during device probing. 11.3-RELEASE runs fine on a 
DL380 G9. I'm not sure if this is a bug, or whether a loader.conf clock related 
tunable is now necessary on this 6 year old hardware. Thoughts or suggestions?

-- 
Greg Rivers


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Re: RELENG_10 to RELENG11 buildworld no possible ?

[Dimitry Andric]

On 10 Jul 2019, at 15:27, Dimitry Andric  wrote:
> 
> On 9 Jul 2019, at 19:02, Warner Losh  wrote:
>> On Tue, Jul 9, 2019 at 12:12 AM Dimitry Andric  wrote:
>>> On 9 Jul 2019, at 08:08, Warner Losh  wrote:
> ...
 Could you look into what the new requirement is? If there's no simple
>>> workaround, I'd like to at least document what the minimum is better than I
>>> have.
>>> 
>>> Okay,
>>> http://releases.llvm.org/8.0.0/docs/ReleaseNotes.html#minimum-required-compiler-version
>>> says:
>>> 
>>> Clang   3.5
>>> Apple Clang 6.0
>>> GCC 5.1
>>> Visual Studio   2017
>>> 
>> 
>> OK, so the clang in releng10 is 3.4.1. I'll update the note then.
> 
> I committed a workaround in r349876, which makes it possible to directly
> build clang 8.0.0 with clang 3.4.1, and will MFC that after the usual
> timeout.

I have now merged the workaround to stable/{11,12}, and reverted the
notes, in r349967.

-Dimitry



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