Date: Sun, 01 May 2022 03:13:43 +0000 From: qroxana <qroxana@protonmail.com> To: "freebsd-current@freebsd.org" <freebsd-current@freebsd.org>, "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org> Subject: Kernel panic on armv7 when PF is enabled Message-ID: <t46qj3HiJIHpjcIlYQ8t7s7UFcPl3dHxJCc6ovjAF8teNjGunlJnGsbkpM2hLWrPQpRRCzCGnPGg1RuK7hbRMxr9BlHD03xvcsvqxNuM2DU=@protonmail.com>
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[-- Attachment #1 --]
After git bisecting the panic started since this commit.
commit 78bc3d5e1712bc1649aa5574d2b8d153f9665113
Author: Kristof Provost <
kp@FreeBSD.org
>
Date: Mon Feb 14 20:09:54 2022 +0100
vlan: allow net.link.vlan.mtag_pcp to be set per vnet
The primary reason for this change is to facilitate testing.
MFC after: 1 week
sys/net/if_ethersubr.c | 9 +++++----
sys/net/if_vlan.c | 5 +++--
2 files changed, 8 insertions(+), 6 deletions(-)
The armv7 board boots from a NFS root,
it can boot without any problem if PF is disabled.
Any helps?
add host ::1: gateway lo0 fib 0: route already in table
add net fe80::: gateway ::1
add net ff02::: gateway ::1
add net ::ffff:0.0.0.0: gateway ::1
add net ::0.0.0.0: gateway ::1
Enabling pf.
Kernel page fault with the following non-sleepable locks held:
shared rm pf rulesets (pf rulesets) r = 0 (0xe3099430) locked @ /usr/src/sys/netpfil/pf/pf.c:6493
exclusive rw tcpinp (tcpinp) r = 0 (0xdb748d88) locked @ /usr/src/sys/netinet/tcp_usrreq.c:1008
stack backtrace:
#0 0xc0355cac at witness_debugger+0x7c
#1 0xc0356ef0 at witness_warn+0x3fc
#2 0xc05ec048 at abort_handler+0x1d8
#3 0xc05cb5ac at exception_exit+0
#4 0xe3083c10 at pf_syncookie_validate+0x60
#5 0xe30496a8 at pf_test+0x518
#6 0xe306d768 at pf_check_out+0x30
#7 0xc0415b44 at pfil_run_hooks+0xbc
#8 0xc0445cfc at ip_output+0xce8
#9 0xc045bc9c at tcp_default_output+0x20ac
#10 0xc0471eb4 at tcp_usr_send+0x1ac
#11 0xc0389464 at sosend_generic+0x490
#12 0xc0389790 at sosend+0x64
#13 0xc0502888 at clnt_vc_call+0x560
#14 0xc05009d8 at clnt_reconnect_call+0x170
#15 0xc01e7b14 at newnfs_request+0xb20
#16 0xc0230218 at nfscl_request+0x60
#17 0xc020d9bc at nfsrpc_getattr+0xb0
Fatal kernel mode data abort: 'Alignment Fault' on read
trapframe: 0xdf1f1c90
FSR=00000001, FAR=d7840264, spsr=40000013
r0 =6a228eda, r1 =dac0d785, r2 =d7840264, r3 =db5527c0
r4 =df1f1e00, r5 =dac0d75f, r6 =00000018, r7 =d9422c00
r8 =c093e5e4, r9 =00000001, r10=df1f1f5c, r11=df1f1d38
r12=e3098dd0, ssp=df1f1d20, slr=e3083bdc, pc =e3083c10
panic: Fatal abort
cpuid = 1
time = 1651366089
KDB: stack backtrace:
db_trace_self() at db_trace_self
pc = 0xc05c8c00 lr = 0xc007ac8c (db_trace_self_wrapper+0x30)
sp = 0xdf1f1a68 fp = 0xdf1f1b80
db_trace_self_wrapper() at db_trace_self_wrapper+0x30
pc = 0xc007ac8c lr = 0xc02e289c (vpanic+0x170)
sp = 0xdf1f1b88 fp = 0xdf1f1ba8
r4 = 0x00000100 r5 = 0x00000000
r6 = 0xc0780529 r7 = 0xc090ea10
vpanic() at vpanic+0x170
pc = 0xc02e289c lr = 0xc02e264c (doadump)
sp = 0xdf1f1bb0 fp = 0xdf1f1bb4
r4 = 0xdf1f1c90 r5 = 0x00000013
r6 = 0xd7840264 r7 = 0x00000001
r8 = 0x00000001 r9 = 0xdb5527c0
r10 = 0xd7840264
doadump() at doadump
pc = 0xc02e264c lr = 0xc05ec698 (abort_align)
sp = 0xdf1f1bbc fp = 0xdf1f1be8
r4 = 0xd7840264 r5 = 0xdf1f1bb4
r6 = 0xc02e264c r10 = 0xdf1f1bbc
abort_align() at abort_align
pc = 0xc05ec698 lr = 0xc05ec198 (abort_handler+0x328)
sp = 0xdf1f1bf0 fp = 0xdf1f1c88
r4 = 0x00000013 r5 = 0xd7840264
abort_handler() at abort_handler+0x328
pc = 0xc05ec198 lr = 0xc05cb5ac (exception_exit)
sp = 0xdf1f1c90 fp = 0xdf1f1d38
r4 = 0xdf1f1e00 r5 = 0xdac0d75f
r6 = 0x00000018 r7 = 0xd9422c00
r8 = 0xc093e5e4 r9 = 0x00000001
r10 = 0xdf1f1f5c
exception_exit() at exception_exit
pc = 0xc05cb5ac lr = 0xe3083bdc (pf_syncookie_validate+0x2c)
sp = 0xdf1f1d20 fp = 0xdf1f1d38
r0 = 0x6a228eda r1 = 0xdac0d785
r2 = 0xd7840264 r3 = 0xdb5527c0
r4 = 0xdf1f1e00 r5 = 0xdac0d75f
r6 = 0x00000018 r7 = 0xd9422c00
r8 = 0xc093e5e4 r9 = 0x00000001
r10 = 0xdf1f1f5c r12 = 0xe3098dd0
pf_syncookie_validate() at pf_syncookie_validate+0x60
pc = 0xe3083c10 lr = 0xe30496a8 (pf_test+0x518)
sp = 0xdf1f1d40 fp = 0xdf1f1ea8
r4 = 0x00020000 r5 = 0xdb4a6100
r6 = 0x00000018 r7 = 0xd9422c00
r8 = 0x00000002 r9 = 0x00000001
pf_test() at pf_test+0x518
pc = 0xe30496a8 lr = 0xe306d768 (pf_check_out+0x30)
sp = 0xdf1f1eb0 fp = 0xdf1f1ec0
r4 = 0xdf1f1f5c r5 = 0xe306d738
r6 = 0xdb6ba660 r7 = 0x00000000
r8 = 0xd9422c00 r9 = 0xdb748d80
r10 = 0xfff70000
pf_check_out() at pf_check_out+0x30
pc = 0xe306d768 lr = 0xc0415b44 (pfil_run_hooks+0xbc)
sp = 0xdf1f1ec8 fp = 0xdf1f1ef0
r4 = 0x00020000 r5 = 0xe306d738
pfil_run_hooks() at pfil_run_hooks+0xbc
pc = 0xc0415b44 lr = 0xc0445cfc (ip_output+0xce8)
sp = 0xdf1f1ef8 fp = 0xdf1f1fa8
r4 = 0x0000010a r5 = 0x00000a0a
r6 = 0xdb4a6158 r7 = 0xc0946908
r8 = 0xdb5bec00 r9 = 0xd9422c00
r10 = 0x000005dc
ip_output() at ip_output+0xce8
pc = 0xc0445cfc lr = 0xc045bc9c (tcp_default_output+0x20ac)
sp = 0xdf1f1fb0 fp = 0xdf1f20e0
r4 = 0x00000001 r5 = 0x00000000
r6 = 0x00000034 r7 = 0xdb746000
r8 = 0xdb4a616c r9 = 0xdb4a6100
r10 = 0xdb782000
tcp_default_output() at tcp_default_output+0x20ac
pc = 0xc045bc9c lr = 0xc0471eb4 (tcp_usr_send+0x1ac)
sp = 0xdf1f20e8 fp = 0xdf1f2160
r4 = 0xc0af955c r5 = 0xdb782000
r6 = 0x00000000 r7 = 0xdb746000
r8 = 0x00000000 r9 = 0xdb748d80
r10 = 0x00000000
tcp_usr_send() at tcp_usr_send+0x1ac
pc = 0xc0471eb4 lr = 0xc0389464 (sosend_generic+0x490)
sp = 0xdf1f2168 fp = 0xdf1f21d0
r4 = 0xc0471d08 r5 = 0x00044000
r6 = 0xdb746000 r7 = 0xdb5527c0
r8 = 0x00000000 r9 = 0xdb7461b8
r10 = 0xdb4b2900
sosend_generic() at sosend_generic+0x490
pc = 0xc0389464 lr = 0xc0389790 (sosend+0x64)
sp = 0xdf1f21d8 fp = 0xdf1f2200
r4 = 0x00000000 r5 = 0xc0388fd4
r6 = 0xdb5527c0 r7 = 0x00000000
r8 = 0x5e4a6f28 r9 = 0x00000100
r10 = 0xc72fc490
sosend() at sosend+0x64
pc = 0xc0389790 lr = 0xc0502888 (clnt_vc_call+0x560)
sp = 0xdf1f2208 fp = 0xdf1f22e8
r4 = 0xc076e132 r5 = 0xdf1f22ac
r6 = 0xc72fc5a0 r7 = 0xc04fd348
r8 = 0xc72fc480 r10 = 0xc72fc490
clnt_vc_call() at clnt_vc_call+0x560
pc = 0xc0502888 lr = 0xc05009d8 (clnt_reconnect_call+0x170)
sp = 0xdf1f22f0 fp = 0xdf1f2378
r4 = 0xc0502328 r5 = 0xc0768137
r6 = 0xdb65bc40 r7 = 0xc72fc610
r8 = 0xc72fc600 r9 = 0x00000000
r10 = 0xdf1f2438
clnt_reconnect_call() at clnt_reconnect_call+0x170
pc = 0xc05009d8 lr = 0xc01e7b14 (newnfs_request+0xb20)
sp = 0xdf1f2380 fp = 0xdf1f24a8
r4 = 0x0000012c r5 = 0xc0500868
r6 = 0x00000000 r7 = 0x00000000
r8 = 0xdf1f2510 r9 = 0xc0726761
r10 = 0x00000000
newnfs_request() at newnfs_request+0xb20
pc = 0xc01e7b14 lr = 0xc0230218 (nfscl_request+0x60)
sp = 0xdf1f24b0 fp = 0xdf1f24e8
r4 = 0x00000000 r5 = 0x000186a3
r6 = 0x00000003 r7 = 0x00000001
r8 = 0xdf1f26c8 r9 = 0xc0af955c
r10 = 0x00000000
nfscl_request() at nfscl_request+0x60
pc = 0xc0230218 lr = 0xc020d9bc (nfsrpc_getattr+0xb0)
sp = 0xdf1f24f0 fp = 0xdf1f2618
r4 = 0x00000000 r5 = 0xdb5afd00
r6 = 0xdb5527c0 r7 = 0xe29d453c
nfsrpc_getattr() at nfsrpc_getattr+0xb0
pc = 0xc020d9bc lr = 0xc0223b88 (nfs_getattr+0xc8)
sp = 0xdf1f2620 fp = 0xdf1f27b0
r4 = 0x00000000 r5 = 0xe29d453c
r6 = 0xe29d6670 r7 = 0x00000000
r8 = 0xdb5527c0 r9 = 0xdf1f2830
r10 = 0xdb5527c0
nfs_getattr() at nfs_getattr+0xc8
pc = 0xc0223b88 lr = 0xc03b9b80 (vop_sigdefer+0x34)
sp = 0xdf1f27b8 fp = 0xdf1f27c8
r4 = 0xdf1f2998 r5 = 0xffffffff
r6 = 0xc0223ac0 r7 = 0x00000000
r8 = 0xdf1f2d60 r9 = 0xdb795800
vop_sigdefer() at vop_sigdefer+0x34
pc = 0xc03b9b80 lr = 0xc0221a00 (nfs_lookup+0x344)
sp = 0xdf1f27d0 fp = 0xdf1f2aa8
r4 = 0xe29d6670 r5 = 0xdf1f2830
r6 = 0xe29d6660 r10 = 0xdb5527c0
nfs_lookup() at nfs_lookup+0x344
pc = 0xc0221a00 lr = 0xc03b9b80 (vop_sigdefer+0x34)
sp = 0xdf1f2ab0 fp = 0xdf1f2ac0
r4 = 0xdf1f2ae4 r5 = 0x00000000
r6 = 0xc02216bc r7 = 0x00080000
r8 = 0xdf1f2d60 r9 = 0x00000002
r10 = 0x00000000
vop_sigdefer() at vop_sigdefer+0x34
pc = 0xc03b9b80 lr = 0xc03be55c (lookup+0x46c)
sp = 0xdf1f2ac8 fp = 0xdf1f2b10
r4 = 0xdf1f2d00 r5 = 0xdb9e4ea8
r6 = 0xdf1f2d58 r10 = 0x00000000
lookup() at lookup+0x46c
pc = 0xc03be55c lr = 0xc03bd450 (namei+0x3cc)
sp = 0xdf1f2b18 fp = 0xdf1f2bb8
r4 = 0xdf1f2d00 r5 = 0xfffff81c
r6 = 0x00000000 r7 = 0xdb3bcc90
r8 = 0xc0b5a48c r9 = 0xdb5527c0
r10 = 0xdf1f2d60
namei() at namei+0x3cc
pc = 0xc03bd450 lr = 0xc03e4e98 (vn_open_cred+0x45c)
sp = 0xdf1f2bc0 fp = 0xdf1f2cc8
r4 = 0x00000001 r5 = 0x00000000
r6 = 0x00100001 r7 = 0xdf1f2d60
r8 = 0xffffff9c r9 = 0xdf1f2d00
r10 = 0xdf1f2d58
vn_open_cred() at vn_open_cred+0x45c
pc = 0xc03e4e98 lr = 0xc03e4a34 (vn_open+0x24)
sp = 0xdf1f2cd0 fp = 0xdf1f2cd8
r4 = 0xdb5527c0 r5 = 0xdf1f2d00
r6 = 0x00000000 r7 = 0xdf1f2d00
r8 = 0xffffff9c r9 = 0x00000012
r10 = 0x20076b04
vn_open() at vn_open+0x24
pc = 0xc03e4a34 lr = 0xc03db428 (kern_openat+0x254)
sp = 0xdf1f2ce0 fp = 0xdf1f2db8
kern_openat() at kern_openat+0x254
pc = 0xc03db428 lr = 0xc03db6b0 (sys_openat+0x2c)
sp = 0xdf1f2dc0 fp = 0xdf1f2dc8
r4 = 0xdb5527c0 r5 = 0x00000001
r6 = 0xc08d99cc r7 = 0x00000000
r8 = 0x00000000 r9 = 0xdb552a68
r10 = 0xdba29c80
sys_openat() at sys_openat+0x2c
pc = 0xc03db6b0 lr = 0xc05eb9b4 (swi_handler+0x15c)
sp = 0xdf1f2dd0 fp = 0xdf1f2e40
swi_handler() at swi_handler+0x15c
pc = 0xc05eb9b4 lr = 0xc05cb53c (swi_exit)
sp = 0xdf1f2e48 fp = 0xbfbfe720
r4 = 0x2027d2f4 r5 = 0x00065c40
r6 = 0x20076ac8 r7 = 0x000001f3
r8 = 0x00000001 r9 = 0x00065c40
r10 = 0x00064d88
swi_exit() at swi_exit
pc = 0xc05cb53c lr = 0xc05cb53c (swi_exit)
sp = 0xdf1f2e48 fp = 0xbfbfe720
KDB: enter: panic
[ thread pid 579 tid 100122 ]
Stopped at kdb_enter+0x58: ldrb r15, [r15, r15, ror r15]!
[-- Attachment #2 --]
<div style="font-family: arial; font-size: 14px;"><pre>After git bisecting the panic started since this commit.<br><br><span>commit 78bc3d5e1712bc1649aa5574d2b8d153f9665113</span><div><span>Author: Kristof Provost <<a target="_blank" rel="noreferrer nofollow noopener" href="mailto:kp@FreeBSD.org">kp@FreeBSD.org</a>></span></div><div><span>Date: Mon Feb 14 20:09:54 2022 +0100</span></div><div><br></div><div><span> vlan: allow net.link.vlan.mtag_pcp to be set per vnet</span></div><div><br></div><div><span> The primary reason for this change is to facilitate testing.</span></div><div><br></div><div><span> MFC after: 1 week</span></div><div><br></div><div><span> sys/net/if_ethersubr.c | 9 +++++----</span></div><div><span> sys/net/if_vlan.c | 5 +++--</span></div><div><span> 2 files changed, 8 insertions(+), 6 deletions(-)</span></div><br>The armv7 board boots from a NFS root,<br>it can boot without any problem if PF is disabled.<br>Any helps?<br><br>add host ::1: gateway lo0 fib 0: route already in table
add net fe80::: gateway ::1
add net ff02::: gateway ::1
add net ::ffff:0.0.0.0: gateway ::1
add net ::0.0.0.0: gateway ::1
Enabling pf.
Kernel page fault with the following non-sleepable locks held:
shared rm pf rulesets (pf rulesets) r = 0 (0xe3099430) locked @ /usr/src/sys/netpfil/pf/pf.c:6493
exclusive rw tcpinp (tcpinp) r = 0 (0xdb748d88) locked @ /usr/src/sys/netinet/tcp_usrreq.c:1008
stack backtrace:
#0 0xc0355cac at witness_debugger+0x7c
#1 0xc0356ef0 at witness_warn+0x3fc
#2 0xc05ec048 at abort_handler+0x1d8
#3 0xc05cb5ac at exception_exit+0
#4 0xe3083c10 at pf_syncookie_validate+0x60
#5 0xe30496a8 at pf_test+0x518
#6 0xe306d768 at pf_check_out+0x30
#7 0xc0415b44 at pfil_run_hooks+0xbc
#8 0xc0445cfc at ip_output+0xce8
#9 0xc045bc9c at tcp_default_output+0x20ac
#10 0xc0471eb4 at tcp_usr_send+0x1ac
#11 0xc0389464 at sosend_generic+0x490
#12 0xc0389790 at sosend+0x64
#13 0xc0502888 at clnt_vc_call+0x560
#14 0xc05009d8 at clnt_reconnect_call+0x170
#15 0xc01e7b14 at newnfs_request+0xb20
#16 0xc0230218 at nfscl_request+0x60
#17 0xc020d9bc at nfsrpc_getattr+0xb0
Fatal kernel mode data abort: 'Alignment Fault' on read
trapframe: 0xdf1f1c90
FSR=00000001, FAR=d7840264, spsr=40000013
r0 =6a228eda, r1 =dac0d785, r2 =d7840264, r3 =db5527c0
r4 =df1f1e00, r5 =dac0d75f, r6 =00000018, r7 =d9422c00
r8 =c093e5e4, r9 =00000001, r10=df1f1f5c, r11=df1f1d38
r12=e3098dd0, ssp=df1f1d20, slr=e3083bdc, pc =e3083c10
panic: Fatal abort
cpuid = 1
time = 1651366089
KDB: stack backtrace:
db_trace_self() at db_trace_self
pc = 0xc05c8c00 lr = 0xc007ac8c (db_trace_self_wrapper+0x30)
sp = 0xdf1f1a68 fp = 0xdf1f1b80
db_trace_self_wrapper() at db_trace_self_wrapper+0x30
pc = 0xc007ac8c lr = 0xc02e289c (vpanic+0x170)
sp = 0xdf1f1b88 fp = 0xdf1f1ba8
r4 = 0x00000100 r5 = 0x00000000
r6 = 0xc0780529 r7 = 0xc090ea10
vpanic() at vpanic+0x170
pc = 0xc02e289c lr = 0xc02e264c (doadump)
sp = 0xdf1f1bb0 fp = 0xdf1f1bb4
r4 = 0xdf1f1c90 r5 = 0x00000013
r6 = 0xd7840264 r7 = 0x00000001
r8 = 0x00000001 r9 = 0xdb5527c0
r10 = 0xd7840264
doadump() at doadump
pc = 0xc02e264c lr = 0xc05ec698 (abort_align)
sp = 0xdf1f1bbc fp = 0xdf1f1be8
r4 = 0xd7840264 r5 = 0xdf1f1bb4
r6 = 0xc02e264c r10 = 0xdf1f1bbc
abort_align() at abort_align
pc = 0xc05ec698 lr = 0xc05ec198 (abort_handler+0x328)
sp = 0xdf1f1bf0 fp = 0xdf1f1c88
r4 = 0x00000013 r5 = 0xd7840264
abort_handler() at abort_handler+0x328
pc = 0xc05ec198 lr = 0xc05cb5ac (exception_exit)
sp = 0xdf1f1c90 fp = 0xdf1f1d38
r4 = 0xdf1f1e00 r5 = 0xdac0d75f
r6 = 0x00000018 r7 = 0xd9422c00
r8 = 0xc093e5e4 r9 = 0x00000001
r10 = 0xdf1f1f5c
exception_exit() at exception_exit
pc = 0xc05cb5ac lr = 0xe3083bdc (pf_syncookie_validate+0x2c)
sp = 0xdf1f1d20 fp = 0xdf1f1d38
r0 = 0x6a228eda r1 = 0xdac0d785
r2 = 0xd7840264 r3 = 0xdb5527c0
r4 = 0xdf1f1e00 r5 = 0xdac0d75f
r6 = 0x00000018 r7 = 0xd9422c00
r8 = 0xc093e5e4 r9 = 0x00000001
r10 = 0xdf1f1f5c r12 = 0xe3098dd0
pf_syncookie_validate() at pf_syncookie_validate+0x60
pc = 0xe3083c10 lr = 0xe30496a8 (pf_test+0x518)
sp = 0xdf1f1d40 fp = 0xdf1f1ea8
r4 = 0x00020000 r5 = 0xdb4a6100
r6 = 0x00000018 r7 = 0xd9422c00
r8 = 0x00000002 r9 = 0x00000001
pf_test() at pf_test+0x518
pc = 0xe30496a8 lr = 0xe306d768 (pf_check_out+0x30)
sp = 0xdf1f1eb0 fp = 0xdf1f1ec0
r4 = 0xdf1f1f5c r5 = 0xe306d738
r6 = 0xdb6ba660 r7 = 0x00000000
r8 = 0xd9422c00 r9 = 0xdb748d80
r10 = 0xfff70000
pf_check_out() at pf_check_out+0x30
pc = 0xe306d768 lr = 0xc0415b44 (pfil_run_hooks+0xbc)
sp = 0xdf1f1ec8 fp = 0xdf1f1ef0
r4 = 0x00020000 r5 = 0xe306d738
pfil_run_hooks() at pfil_run_hooks+0xbc
pc = 0xc0415b44 lr = 0xc0445cfc (ip_output+0xce8)
sp = 0xdf1f1ef8 fp = 0xdf1f1fa8
r4 = 0x0000010a r5 = 0x00000a0a
r6 = 0xdb4a6158 r7 = 0xc0946908
r8 = 0xdb5bec00 r9 = 0xd9422c00
r10 = 0x000005dc
ip_output() at ip_output+0xce8
pc = 0xc0445cfc lr = 0xc045bc9c (tcp_default_output+0x20ac)
sp = 0xdf1f1fb0 fp = 0xdf1f20e0
r4 = 0x00000001 r5 = 0x00000000
r6 = 0x00000034 r7 = 0xdb746000
r8 = 0xdb4a616c r9 = 0xdb4a6100
r10 = 0xdb782000
tcp_default_output() at tcp_default_output+0x20ac
pc = 0xc045bc9c lr = 0xc0471eb4 (tcp_usr_send+0x1ac)
sp = 0xdf1f20e8 fp = 0xdf1f2160
r4 = 0xc0af955c r5 = 0xdb782000
r6 = 0x00000000 r7 = 0xdb746000
r8 = 0x00000000 r9 = 0xdb748d80
r10 = 0x00000000
tcp_usr_send() at tcp_usr_send+0x1ac
pc = 0xc0471eb4 lr = 0xc0389464 (sosend_generic+0x490)
sp = 0xdf1f2168 fp = 0xdf1f21d0
r4 = 0xc0471d08 r5 = 0x00044000
r6 = 0xdb746000 r7 = 0xdb5527c0
r8 = 0x00000000 r9 = 0xdb7461b8
r10 = 0xdb4b2900
sosend_generic() at sosend_generic+0x490
pc = 0xc0389464 lr = 0xc0389790 (sosend+0x64)
sp = 0xdf1f21d8 fp = 0xdf1f2200
r4 = 0x00000000 r5 = 0xc0388fd4
r6 = 0xdb5527c0 r7 = 0x00000000
r8 = 0x5e4a6f28 r9 = 0x00000100
r10 = 0xc72fc490
sosend() at sosend+0x64
pc = 0xc0389790 lr = 0xc0502888 (clnt_vc_call+0x560)
sp = 0xdf1f2208 fp = 0xdf1f22e8
r4 = 0xc076e132 r5 = 0xdf1f22ac
r6 = 0xc72fc5a0 r7 = 0xc04fd348
r8 = 0xc72fc480 r10 = 0xc72fc490
clnt_vc_call() at clnt_vc_call+0x560
pc = 0xc0502888 lr = 0xc05009d8 (clnt_reconnect_call+0x170)
sp = 0xdf1f22f0 fp = 0xdf1f2378
r4 = 0xc0502328 r5 = 0xc0768137
r6 = 0xdb65bc40 r7 = 0xc72fc610
r8 = 0xc72fc600 r9 = 0x00000000
r10 = 0xdf1f2438
clnt_reconnect_call() at clnt_reconnect_call+0x170
pc = 0xc05009d8 lr = 0xc01e7b14 (newnfs_request+0xb20)
sp = 0xdf1f2380 fp = 0xdf1f24a8
r4 = 0x0000012c r5 = 0xc0500868
r6 = 0x00000000 r7 = 0x00000000
r8 = 0xdf1f2510 r9 = 0xc0726761
r10 = 0x00000000
newnfs_request() at newnfs_request+0xb20
pc = 0xc01e7b14 lr = 0xc0230218 (nfscl_request+0x60)
sp = 0xdf1f24b0 fp = 0xdf1f24e8
r4 = 0x00000000 r5 = 0x000186a3
r6 = 0x00000003 r7 = 0x00000001
r8 = 0xdf1f26c8 r9 = 0xc0af955c
r10 = 0x00000000
nfscl_request() at nfscl_request+0x60
pc = 0xc0230218 lr = 0xc020d9bc (nfsrpc_getattr+0xb0)
sp = 0xdf1f24f0 fp = 0xdf1f2618
r4 = 0x00000000 r5 = 0xdb5afd00
r6 = 0xdb5527c0 r7 = 0xe29d453c
nfsrpc_getattr() at nfsrpc_getattr+0xb0
pc = 0xc020d9bc lr = 0xc0223b88 (nfs_getattr+0xc8)
sp = 0xdf1f2620 fp = 0xdf1f27b0
r4 = 0x00000000 r5 = 0xe29d453c
r6 = 0xe29d6670 r7 = 0x00000000
r8 = 0xdb5527c0 r9 = 0xdf1f2830
r10 = 0xdb5527c0
nfs_getattr() at nfs_getattr+0xc8
pc = 0xc0223b88 lr = 0xc03b9b80 (vop_sigdefer+0x34)
sp = 0xdf1f27b8 fp = 0xdf1f27c8
r4 = 0xdf1f2998 r5 = 0xffffffff
r6 = 0xc0223ac0 r7 = 0x00000000
r8 = 0xdf1f2d60 r9 = 0xdb795800
vop_sigdefer() at vop_sigdefer+0x34
pc = 0xc03b9b80 lr = 0xc0221a00 (nfs_lookup+0x344)
sp = 0xdf1f27d0 fp = 0xdf1f2aa8
r4 = 0xe29d6670 r5 = 0xdf1f2830
r6 = 0xe29d6660 r10 = 0xdb5527c0
nfs_lookup() at nfs_lookup+0x344
pc = 0xc0221a00 lr = 0xc03b9b80 (vop_sigdefer+0x34)
sp = 0xdf1f2ab0 fp = 0xdf1f2ac0
r4 = 0xdf1f2ae4 r5 = 0x00000000
r6 = 0xc02216bc r7 = 0x00080000
r8 = 0xdf1f2d60 r9 = 0x00000002
r10 = 0x00000000
vop_sigdefer() at vop_sigdefer+0x34
pc = 0xc03b9b80 lr = 0xc03be55c (lookup+0x46c)
sp = 0xdf1f2ac8 fp = 0xdf1f2b10
r4 = 0xdf1f2d00 r5 = 0xdb9e4ea8
r6 = 0xdf1f2d58 r10 = 0x00000000
lookup() at lookup+0x46c
pc = 0xc03be55c lr = 0xc03bd450 (namei+0x3cc)
sp = 0xdf1f2b18 fp = 0xdf1f2bb8
r4 = 0xdf1f2d00 r5 = 0xfffff81c
r6 = 0x00000000 r7 = 0xdb3bcc90
r8 = 0xc0b5a48c r9 = 0xdb5527c0
r10 = 0xdf1f2d60
namei() at namei+0x3cc
pc = 0xc03bd450 lr = 0xc03e4e98 (vn_open_cred+0x45c)
sp = 0xdf1f2bc0 fp = 0xdf1f2cc8
r4 = 0x00000001 r5 = 0x00000000
r6 = 0x00100001 r7 = 0xdf1f2d60
r8 = 0xffffff9c r9 = 0xdf1f2d00
r10 = 0xdf1f2d58
vn_open_cred() at vn_open_cred+0x45c
pc = 0xc03e4e98 lr = 0xc03e4a34 (vn_open+0x24)
sp = 0xdf1f2cd0 fp = 0xdf1f2cd8
r4 = 0xdb5527c0 r5 = 0xdf1f2d00
r6 = 0x00000000 r7 = 0xdf1f2d00
r8 = 0xffffff9c r9 = 0x00000012
r10 = 0x20076b04
vn_open() at vn_open+0x24
pc = 0xc03e4a34 lr = 0xc03db428 (kern_openat+0x254)
sp = 0xdf1f2ce0 fp = 0xdf1f2db8
kern_openat() at kern_openat+0x254
pc = 0xc03db428 lr = 0xc03db6b0 (sys_openat+0x2c)
sp = 0xdf1f2dc0 fp = 0xdf1f2dc8
r4 = 0xdb5527c0 r5 = 0x00000001
r6 = 0xc08d99cc r7 = 0x00000000
r8 = 0x00000000 r9 = 0xdb552a68
r10 = 0xdba29c80
sys_openat() at sys_openat+0x2c
pc = 0xc03db6b0 lr = 0xc05eb9b4 (swi_handler+0x15c)
sp = 0xdf1f2dd0 fp = 0xdf1f2e40
swi_handler() at swi_handler+0x15c
pc = 0xc05eb9b4 lr = 0xc05cb53c (swi_exit)
sp = 0xdf1f2e48 fp = 0xbfbfe720
r4 = 0x2027d2f4 r5 = 0x00065c40
r6 = 0x20076ac8 r7 = 0x000001f3
r8 = 0x00000001 r9 = 0x00065c40
r10 = 0x00064d88
swi_exit() at swi_exit
pc = 0xc05cb53c lr = 0xc05cb53c (swi_exit)
sp = 0xdf1f2e48 fp = 0xbfbfe720
KDB: enter: panic
[ thread pid 579 tid 100122 ]
Stopped at kdb_enter+0x58: ldrb r15, [r15, r15, ror r15]!
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