Date: Thu, 14 Nov 2019 18:07:39 -0800 From: bob prohaska <fbsd@www.zefox.net> To: Ed Maste <emaste@freebsd.org> Cc: Mark Millard <marklmi@yahoo.com>, "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org>, bob prohaska <fbsd@www.zefox.net> Subject: Re: What is an invalid ASID ? Message-ID: <20191115020739.GA76610@www.zefox.net> In-Reply-To: <CAPyFy2CgyP6JOyJ_A_XCho4wxrF=_A9EAWMemH%2BxO8eBHCcXEA@mail.gmail.com> References: <20191111160303.GA61731@www.zefox.net> <7D522F39-7CCB-4678-BE12-506CE8122AC2@yahoo.com> <CAPyFy2CgyP6JOyJ_A_XCho4wxrF=_A9EAWMemH%2BxO8eBHCcXEA@mail.gmail.com>
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On Thu, Nov 14, 2019 at 06:40:55AM -0500, Ed Maste wrote:
> On Mon, 11 Nov 2019 at 14:47, Mark Millard via freebsd-arm
> <freebsd-arm@freebsd.org> wrote:
> >
> > Address Space ID (ASID)
>
> Yes this is the correct acronym; ASID support was just added to
> FreeBSD/arm64 on Nov 3 (r354286). I tried it on an eMAG system before
> and after commit with both buildworlds and full (33k queued package)
> poudriere runs and saw no issue.
>
> > It looks like a backtrace from such a panic might be of interest to the
> > folks dealing with such areas.
>
> Yes indeed.
Ok, here we go 8-(
This is on 13.0-CURRENT (GENERIC) #11 r354632 compiling r354667 with no alterations.
panic: invalid ASID
cpuid = 1
time = 1573782085
KDB: stack backtrace:
db_trace_self() at db_trace_self_wrapper+0x28
pc = 0xffff0000007289bc lr = 0xffff000000103df4
sp = 0xffff00005191d0e0 fp = 0xffff00005191d2f0
db_trace_self_wrapper() at vpanic+0x18c
pc = 0xffff000000103df4 lr = 0xffff0000003fe430
sp = 0xffff00005191d300 fp = 0xffff00005191d3b0
vpanic() at panic+0x44
pc = 0xffff0000003fe430 lr = 0xffff0000003fe1e0
sp = 0xffff00005191d3c0 fp = 0xffff00005191d440
panic() at pmap_remove_all+0x70c
pc = 0xffff0000003fe1e0 lr = 0xffff00000073ad24
sp = 0xffff00005191d450 fp = 0xffff00005191d4c0
pmap_remove_all() at vm_page_try_remove_all+0x80
pc = 0xffff00000073ad24 lr = 0xffff0000006df7f4
sp = 0xffff00005191d4d0 fp = 0xffff00005191d4f0
vm_page_try_remove_all() at vm_pageout_worker+0x93c
pc = 0xffff0000006df7f4 lr = 0xffff0000006e3728
sp = 0xffff00005191d500 fp = 0xffff00005191d8d0
vm_pageout_worker() at vm_pageout+0x1b0
pc = 0xffff0000006e3728 lr = 0xffff0000006e2dd8
sp = 0xffff00005191d8e0 fp = 0xffff00005191d940
vm_pageout() at fork_exit+0x7c
pc = 0xffff0000006e2dd8 lr = 0xffff0000003be784
sp = 0xffff00005191d950 fp = 0xffff00005191d980
fork_exit() at fork_trampoline+0x10
pc = 0xffff0000003be784 lr = 0xffff000000744b0c
sp = 0xffff00005191d990 fp = 0x0000000000000000
KDB: enter: panic
[ thread pid 21 tid 100066 ]
Stopped at 0
db> bt
Tracing pid 21 tid 100066 td 0xfffffd0000d85560
db_trace_self() at db_stack_trace+0xf8
pc = 0xffff0000007289bc lr = 0xffff000000101238
sp = 0xffff00005191ccb0 fp = 0xffff00005191cce0
db_stack_trace() at db_command+0x228
pc = 0xffff000000101238 lr = 0xffff000000100eb0
sp = 0xffff00005191ccf0 fp = 0xffff00005191cdd0
db_command() at db_command_loop+0x58
pc = 0xffff000000100eb0 lr = 0xffff000000100c58
sp = 0xffff00005191cde0 fp = 0xffff00005191ce00
db_command_loop() at db_trap+0xf4
pc = 0xffff000000100c58 lr = 0xffff000000103f5c
sp = 0xffff00005191ce10 fp = 0xffff00005191d030
db_trap() at kdb_trap+0x1d8
pc = 0xffff000000103f5c lr = 0xffff0000004469c8
sp = 0xffff00005191d040 fp = 0xffff00005191d0f0
kdb_trap() at do_el1h_sync+0xf4
pc = 0xffff0000004469c8 lr = 0xffff000000744d80
sp = 0xffff00005191d100 fp = 0xffff00005191d130
do_el1h_sync() at handle_el1h_sync+0x78
pc = 0xffff000000744d80 lr = 0xffff00000072b078
sp = 0xffff00005191d140 fp = 0xffff00005191d250
handle_el1h_sync() at kdb_enter+0x34
pc = 0xffff00000072b078 lr = 0xffff000000446014
sp = 0xffff00005191d260 fp = 0xffff00005191d2f0
kdb_enter() at vpanic+0x1a8
pc = 0xffff000000446014 lr = 0xffff0000003fe44c
sp = 0xffff00005191d300 fp = 0xffff00005191d3b0
vpanic() at panic+0x44
pc = 0xffff0000003fe44c lr = 0xffff0000003fe1e0
sp = 0xffff00005191d3c0 fp = 0xffff00005191d440
panic() at pmap_remove_all+0x70c
pc = 0xffff0000003fe1e0 lr = 0xffff00000073ad24
sp = 0xffff00005191d450 fp = 0xffff00005191d4c0
pmap_remove_all() at vm_page_try_remove_all+0x80
pc = 0xffff00000073ad24 lr = 0xffff0000006df7f4
sp = 0xffff00005191d4d0 fp = 0xffff00005191d4f0
vm_page_try_remove_all() at vm_pageout_worker+0x93c
pc = 0xffff0000006df7f4 lr = 0xffff0000006e3728
sp = 0xffff00005191d500 fp = 0xffff00005191d8d0
vm_pageout_worker() at vm_pageout+0x1b0
pc = 0xffff0000006e3728 lr = 0xffff0000006e2dd8
sp = 0xffff00005191d8e0 fp = 0xffff00005191d940
vm_pageout() at fork_exit+0x7c
pc = 0xffff0000006e2dd8 lr = 0xffff0000003be784
sp = 0xffff00005191d950 fp = 0xffff00005191d980
fork_exit() at fork_trampoline+0x10
pc = 0xffff0000003be784 lr = 0xffff000000744b0c
sp = 0xffff00005191d990 fp = 0x0000000000000000
db>
I don't know enough to do more that type bt at the prompt.
Please let me know if better-considered actions exist.
Thanks for reading,
bob prohaska
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