Em 19/06/2016 18:47, Otacílio escreveu:
Em 19/06/2016 18:40, Otacílio escreveu:
I was installing netperf on a fresh FreeBSD-ALPHA3
FreeBSD beaglebone 11.0-ALPHA3 FreeBSD 11.0-ALPHA3 #0 r301846: Mon
Jun 13 19:54:27 BRT 2016
ota@nostromo:/root/crochet/work/obj/arm.armv6/usr/src/sys/BEAGLEBONE-DEBUG
arm
on BeagleboneBlack using wrtwn when I got this kernel panic:
root@beaglebone:/usr/home/ota # pkg install netperf
Updating FreeBSD repository catalogue...
Fetching meta.txz: 100% 944 B 0.9kB/s 00:01
Fetching packagesite.txz: 100% 4 MiB 46.0kB/s 01:42
Processing entries: 6%lock order reversal:
1st 0xc30b35d4 syncer (syncer) @ /usr/src/sys/kern/vfs_subr.c:2048
2nd 0xc319d6f4 ufs (ufs) @ /usr/src/sys/kern/vfs_subr.c:2498
stack backtrace:
Processing entries: 58%Kernel page fault with the following
non-sleepable locks held:
exclusive sleep mutex tcp_sc_head (tcp_sc_head) r = 0 (0xc2f9d520)
locked @ /usr/src/sys/netinet/tcp_syncache.c:494
shared rw tcp (tcp) r = 0 (0xc08ef348) locked @
/usr/src/sys/netinet/tcp_input.c:1034
exclusive rw tcpinp (tcpinp) r = 0 (0xc31ab494) locked @
/usr/src/sys/netinet/in_pcb.c:1964
stack backtrace:
Fatal kernel mode data abort: 'Alignment Fault' on read
trapframe: 0xdcfe58a8
FSR=00000001, FAR=c2e7187a, spsr=60000013
r0 =c08e7988, r1 =00000004, r2 =c06fa3ad, r3 =000007b6
r4 =dcfe5a10, r5 =dcfe5b28, r6 =c2e71876, r7 =c2f9d520
r8 =c2f9d520, r9 =c2e71876, r10=dcfe5b28, r11=dcfe5970
r12=00000000, ssp=dcfe5938, slr=c2d34370, pc =c053d8e8
[ thread pid 13 tid 100036 ]
Stopped at syncookie_lookup+0x38: ldmib r6, {r1-r2}
db>
[]'s
-Otacílio
The kernel panic is totally reproducible. I need only do a ssh in the
beaglebone using ptty on windows or ssh on freebsd and the kernel
panic is raised.
FreeBSD/arm (beaglebone) (ttyu0)
login: Kernel page fault with the following non-sleepable locks held:
exclusive sleep mutex tcp_sc_head (tcp_sc_head) r = 0 (0xc2f95480)
locked @ /usr/src/sys/netinet/tcp_syncache.c:494
shared rw tcp (tcp) r = 0 (0xc08ef348) locked @
/usr/src/sys/netinet/tcp_input.c:1034
exclusive rw tcpinp (tcpinp) r = 0 (0xc341e494) locked @
/usr/src/sys/netinet/in_pcb.c:1964
stack backtrace:
Fatal kernel mode data abort: 'Alignment Fault' on read
trapframe: 0xdcfe58a8
FSR=00000001, FAR=c2e7807a, spsr=60000013
r0 =c08e7988, r1 =00000004, r2 =c06fa3ad, r3 =000007b6
r4 =dcfe5a10, r5 =dcfe5b28, r6 =c2e78076, r7 =c2f95480
r8 =c2f95480, r9 =c2e78076, r10=dcfe5b28, r11=dcfe5970
r12=00000000, ssp=dcfe5938, slr=c2d34370, pc =c053d8e8
[ thread pid 13 tid 100036 ]
Stopped at syncookie_lookup+0x38: ldmib r6, {r1-r2}
db>
FreeBSD11-ALPHA4 shows the same behavior. The only thing that I need to
raise the fault is ssh in the beaglebone.
root@beaglebone:~ # uname -a
FreeBSD beaglebone 11.0-ALPHA4 FreeBSD 11.0-ALPHA4 #0 r301975: Fri Jun
17 13:32:55 UTC 2016
r...@releng2.nyi.freebsd.org:/usr/obj/arm.armv6/usr/src/sys/BEAGLEBONE arm
root@beaglebone:~ # Kernel page fault with the following non-sleepable
locks held:
exclusive sleep mutex tcp_sc_head (tcp_sc_head) r = 0 (0xc2f98740)
locked @ /usr/src/sys/netinet/tcp_syncache.c:494
shared rw tcp (tcp) r = 0 (0xc08ef348) locked @
/usr/src/sys/netinet/tcp_input.c:1034
exclusive rw tcpinp (tcpinp) r = 0 (0xc33e4494) locked @
/usr/src/sys/netinet/in_pcb.c:1964
stack backtrace:
Fatal kernel mode data abort: 'Alignment Fault' on read
trapframe: 0xdcfe58c0
FSR=00000001, FAR=c2e7a07a, spsr=60000013
r0 =c08e7988, r1 =00000004, r2 =c06fabe6, r3 =000007b6
r4 =dcfe5a28, r5 =dcfe5b40, r6 =c2e7a076, r7 =c2f98740
r8 =c2f98740, r9 =c2e7a076, r10=dcfe5b40, r11=dcfe5988
r12=00000000, ssp=dcfe5950, slr=c2d33370, pc =c053df7c
[ thread pid 13 tid 100036 ]
Stopped at syncookie_lookup+0x38: ldmib r6, {r1-r2}
db>
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