On 05/09/2019 5:19 pm, Trond Endrestøl wrote:
Host is Windows 7 x64 SP1.
CPU is Core i7 960.
Hypervisor is VirtualBox 6.0.6.
VM is using UEFI.
Kernel config is
https://ximalas.info/~trond/create-zfs/canmount/VBOXGUEST-amd64-head
Crash happens early during boot, right after launching the APs.
fault virtual address = 0x0
[...]
KDB backtrace:
db_trace_self_wrapper() at
vpanic() at
panic() at
trap_fatal() at
trap_pfault() at
trap() at
calltrap() at
-- trap 0xc, rip = 0xffffffff8196d63a, rsp = 0xffffffff8198d730, rbp =
0xffffffff8198d790 ---
fbt_provide_module_function() at 0xffffffff8196d63a =
fbt_provide_module_function+0x7a/frame 0xffffffff8198d790
link_elf_each_function_nameval() at 0xffffffff80822ae5 =
link_elf_each_function_nameval+0x115/frame 0xffffffff8198d7e0
fbt_provide_module() at 0xffffffff8196c33e =
fbt_provide_module+0xde/frame 0xffffffff8198dc10
fbt_linker_file_cb() at 0xffffffff8196c242 =
fbt_linker_file_cb+0x12/frame 0xffffffff8198dc20
linker_file_foreach() at 0xffffffff807c47b7 =
linker_file_foreach+0x67/frame 0xffffffff8198dc60
mi_startup() at 0xffffffff80786de6 = mi_startup+0x216/frame
0xffffffff8198dcb0
btext() at 0xffffffff8030da2c = btext+0x2c
Uptime: 1s
Previous BE is r346969 and works flawlessly.
No dumpdev is enabled to capture the details this early during boot.
Suggestions are welcome.
There is a patch:
From: ma...@freebsd.org (on my Crash loading dtraceall thread):
I see, my theory above is not the real problem here. The resolver for
x86_rng_store() may return NULL, which we do not expect. Can you show
the CPU info and features lines from the dmesg to confirm?
Also see if this patch helps:
diff --git a/sys/dev/random/ivy.c b/sys/dev/random/ivy.c
index 57f3d0a1d80b..71065d788cf9 100644
--- a/sys/dev/random/ivy.c
+++ b/sys/dev/random/ivy.c
@@ -97,6 +97,13 @@ x86_rdseed_store(u_long *buf)
return (retry);
}
+static int
+x86_dead_store(u_long *buf __unused)
+{
+
+ panic("missing hardware PRNG support");
+}
+
DEFINE_IFUNC(static, int, x86_rng_store, (u_long *buf), static)
{
has_rdrand = (cpu_feature2 & CPUID2_RDRAND);
@@ -107,7 +114,7 @@ DEFINE_IFUNC(static, int, x86_rng_store, (u_long
*buf), static)
else if (has_rdrand)
return (x86_rdrand_store);
else
- return (NULL);
+ return (x86_dead_store);
}
/* It is required that buf length is a multiple of sizeof(u_long). */
--
Larry Rosenman http://www.lerctr.org/~ler
Phone: +1 214-642-9640 E-Mail: l...@lerctr.org
US Mail: 5708 Sabbia Dr, Round Rock, TX 78665-2106
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