Date: Sun, 23 Aug 2015 19:33:41 -0700 From: bob prohaska <fbsd@www.zefox.net> To: freebsd-arm@FreeBSD.org Subject: Crash during installworld on RPI2 Message-ID: <20150824023341.GA53136@www.zefox.net>
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For the third time in about as many weeks 11-Current has crashed during installworld.
This represents about one in five tries. In every case the crash is triggered by
writing to the DOS partition of the microSD card. The latest instance is at
FreeBSD www.zefox.org 11.0-CURRENT FreeBSD 11.0-CURRENT #40 r287009M: Sat Aug 22 07:48:40 PDT 2015 bob@www.zefox.org:/usr/obj/usr/src/sys/RPI2 arm
All three crashes have been preceeded by a stream of warnings similar to
smsc0: warning: MII read timeout
smsc0: warning: Failed to read register 0x114
smsc0: warning: MII is busy
smsc0: warning: Failed to write register 0x114
smsc0: warning: Failed to write register 0x114
usually starting during buildworld and not always crashing; most attempts succeed.
The kernel config is default, /etc/fstab contains
/dev/mmcsd0s1 /boot/msdos msdosfs rw,noatime 0 0
/dev/mmcsd0s2a / ufs rw,noatime 1 1
#md /tmp mfs rw,noatime,-s50m 0 0
#md /var/log mfs rw,noatime,-s15m 0 0
#md /var/tmp mfs rw,noatime,-s5m 0 0
/dev/da0p4 /tmp ufs rw,noatime 0 0
/dev/da0p3 /usr ufs rw,noatime,late,failok 1 2
/dev/da0p2 none swap sw 0 0
/dev/da0p1 /var ufs rw,noatime 0 0
mmcsd0 is a Sandisk Ultra 8 GB class 10 microSD card, da0 is an old 32GB
ATA drive in a usb2.0 enclosure.
The end of the console output and backtrace follow. I'm not skilled enough to
interpret the output but I hope it's of use to others.
smsc0: warning: MII read timeout
smsc0: warning: Failed to read register 0x114
smsc0: warning: MII is busy
smsc0: warning: Failed to write register 0x114
smsc0: warning: Failed to write register 0x114
sdhci_bcm0-slot0: Controller timeout
sdhci_bcm0-slot0: ============== REGISTER DUMP ==============
sdhci_bcm0-slot0: Sys addr: 0x02148a00 | Version: 0x00009902
sdhci_bcm0-slot0: Blk size: 0x00000200 | Blk cnt: 0x00000096
sdhci_bcm0-slot0: Argument: 0x001730c0 | Trn mode: 0x0000193a
sdhci_bcm0-slot0: Present: 0x01ff0506 | Host ctl: 0x00000003
sdhci_bcm0-slot0: Power: 0x0000000f | Blk gap: 0x00000000
sdhci_bcm0-slot0: Wake-up: 0x00000000 | Clock: 0x00000307
sdhci_bcm0-slot0: Timeout: 0x0000000e | Int stat: 0x00000010
sdhci_bcm0-slot0: Int enab: 0x01ff00fb | Sig enab: 0x01ff00fb
sdhci_bcm0-slot0: AC12 err: 0x00000000 | Slot int: 0x00000001
sdhci_bcm0-slot0: Caps: 0x00000000 | Max curr: 0x00000001
sdhci_bcm0-slot0: ===========================================
mmcsd0: Error indicated: 1 Timeout
g_vfs_done():mmcsd0s2a[WRITE(offset=725647360, length=131072)]error = 5
mmcsd0: Error indicated: 1 Timeout
mmcsd0: Error indicated: 1 Timeout
mmcsd0: Error indicated: 1 Timeout
mmcsd0: Error indicated: 1 Timeout
g_vfs_done():mmcsd0s2a[WRITE(offset=725778432, length=131072)]error = 5
g_vfs_done():mmcsd0s2a[WRITE(offset=725909504, length=131072)]error = 5
g_vfs_done():mmcsd0s2a[WRITE(offset=726040576, length=131072)]error = 5
g_vfs_done():mmcsd0s2a[WRITE(offset=726171648, length=131072)]error = 5
g_vfs_done():mmcsd0s2a[WRITE(offset=726302720, length=131072)]error = 5
g_vfs_done():mmcsd0s2a[WRITE(offset=726433792, length=131072)]error = 5
g_vfs_done():mmcsd0s2a[WRITE(offset=726564864, length=131072)]error = 5
g_vfs_done():mmcsd0s2a[WRITE(offset=726695936, length=131072)]error = 5
g_vfs_done():mmcsd0s2a[WRITE(offset=726827008, length=131072)]error = 5
g_vfs_done():mmcsd0s2a[WRITE(offset=726958080, length=131072)]error = 5
g_vfs_done():mmcsd0s2a[WRITE(offset=727089152, length=131072)]error = 5
g_vfs_done():mmcsd0s2a[WRITE(offset=727220224, length=131072)]error = 5
g_vfs_done():mmcsd0s2a[WRITE(offset=20932096, length=512)]error = 5
panic: brelse: inappropriate B_PAGING or B_CLUSTER bp 0xd76fc2d0
cpuid = 0
KDB: enter: panic
[ thread pid 12 tid 100014 ]
Stopped at $d.7: ldrb r15, [r15, r15, ror r15]!
db> bt
Tracing pid 12 tid 100014 td 0xc39fd360
db_trace_self() at db_trace_self
pc = 0xc053f010 lr = 0xc0140fec (db_stack_trace+0x108)
sp = 0xd69e19d8 fp = 0xd69e19f0
r10 = 0xc07745f8
db_stack_trace() at db_stack_trace+0x108
pc = 0xc0140fec lr = 0xc0140a38 (db_command+0x388)
sp = 0xd69e19f8 fp = 0xd69e1a98
r4 = 0x00000000 r5 = 0x00000000
r6 = 0x00000000 r10 = 0xc07745f8
db_command() at db_command+0x388
pc = 0xc0140a38 lr = 0xc01406a0 (db_command_loop+0x74)
sp = 0xd69e1aa0 fp = 0xd69e1ab0
r4 = 0xc05a3ab0 r5 = 0xc05c48a6
r6 = 0xc07745e4 r7 = 0xd69e1c80
r8 = 0xc0769620 r9 = 0xc0687764
r10 = 0xc0769624
db_command_loop() at db_command_loop+0x74
pc = 0xc01406a0 lr = 0xc01431d0 (db_trap+0x108)
sp = 0xd69e1ab8 fp = 0xd69e1bd0
r4 = 0x00000000 r5 = 0xc07745f0
r6 = 0xc0769648 r10 = 0xc0769624
db_trap() at db_trap+0x108
pc = 0xc01431d0 lr = 0xc02e89b8 (kdb_trap+0x184)
sp = 0xd69e1bd8 fp = 0xd69e1c00
r4 = 0x00000000 r5 = 0x00000001
r6 = 0xc0769648 r7 = 0xd69e1c80
kdb_trap() at kdb_trap+0x184
pc = 0xc02e89b8 lr = 0xc05570ac (undefinedinstruction+0x344)
sp = 0xd69e1c08 fp = 0xd69e1c78
r4 = 0x00000000 r5 = 0x00000000
r6 = 0xc0556cb8 r7 = 0xe7ffffff
r8 = 0xc39fd360 r9 = 0xc02e8110
r10 = 0xd69e1c80
undefinedinstruction() at undefinedinstruction+0x344
pc = 0xc05570ac lr = 0xc0540698 (exception_exit)
sp = 0xd69e1c80 fp = 0xd69e1d18
r4 = 0xc05c48fb r5 = 0x00000001
r6 = 0xc075a0e0 r7 = 0xc075a278
r8 = 0xd69e1d6c r9 = 0xc0775e08
r10 = 0xc39fd360
exception_exit() at exception_exit
pc = 0xc0540698 lr = 0xc02e8100 (kdb_enter+0x48)
sp = 0xd69e1d10 fp = 0xd69e1d18
r0 = 0xc0769634 r1 = 0x00000000
r2 = 0xd69e1c44 r3 = 0xc05c87c4
r4 = 0xc05c48fb r5 = 0x00000001
r6 = 0xc075a0e0 r7 = 0xc075a278
r8 = 0xd69e1d6c r9 = 0xc0775e08
r10 = 0xc39fd360 r12 = 0xc06a2448
$a.8() at $a.8
pc = 0xc02e8114 lr = 0xc02ac40c (vpanic+0x164)
sp = 0xd69e1d20 fp = 0xd69e1d40
r4 = 0x00000100 r10 = 0xc39fd360
vpanic() at vpanic+0x164
pc = 0xc02ac40c lr = 0xc02ac2a8 (vpanic)
sp = 0xd69e1d48 fp = 0xd69e1d60
r4 = 0xc075a178 r5 = 0xc05d0e17
r6 = 0xd69e1d6c r7 = 0xc075a0e0
r8 = 0xc077522c r9 = 0xc05b6589
r10 = 0x00000000
vpanic() at vpanic
pc = 0xc02ac2a8 lr = 0xc0338f18 (brelse+0x6f0)
sp = 0xd69e1d68 fp = 0xd69e1dd8
r4 = 0xc02ac2a8 r5 = 0x00000001
r6 = 0xd69e1d6c r7 = 0xd76fc2d0
r8 = 0xc42c93d4 r9 = 0xd76fc2d0
r10 = 0xc0758184
brelse() at brelse+0x6f0
pc = 0xc0338f18 lr = 0xc033c77c (bufdone+0x58)
sp = 0xd69e1de0 fp = 0xd69e1de8
r4 = 0xd76fc2d0 r5 = 0xc42c93d4
r6 = 0xc0758140 r7 = 0xc0758184
r8 = 0xc077522c r9 = 0xc05b6589
r10 = 0x00000000
bufdone() at bufdone+0x58
pc = 0xc033c77c lr = 0xc023c3a4 (g_io_schedule_up+0xe4)
sp = 0xd69e1df0 fp = 0xd69e1e20
r4 = 0xc05b88cf r5 = 0xc700c348
g_io_schedule_up() at g_io_schedule_up+0xe4
pc = 0xc023c3a4 lr = 0xc023cacc (g_up_procbody+0x78)
sp = 0xd69e1e28 fp = 0xd69e1e30
r4 = 0xc05b8cf1 r5 = 0xc07581ac
r6 = 0xc023ca54 r7 = 0x00000000
r8 = 0xd69e1e58 r9 = 0x00000000
r10 = 0x00000000
g_up_procbody() at g_up_procbody+0x78
pc = 0xc023cacc lr = 0xc027a544 (fork_exit+0xa0)
sp = 0xd69e1e38 fp = 0xd69e1e50
r4 = 0xc39fd360 r5 = 0xc3958000
fork_exit() at fork_exit+0xa0
pc = 0xc027a544 lr = 0xc0540628 (swi_exit)
sp = 0xd69e1e58 fp = 0x00000000
r4 = 0xc023ca54 r5 = 0x00000000
r6 = 0x00000000 r7 = 0x00000000
r8 = 0x00000000 r10 = 0x00000000
swi_exit() at swi_exit
pc = 0xc0540628 lr = 0xc0540628 (swi_exit)
sp = 0xd69e1e58 fp = 0x00000000
db>
Thanks for reading and any guidance,
bob prohaska
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