Martin Simmons ha scritto:
> The best thing is to attach gdb to the running SD soon after it starts and
> then use the commands
>
> bt
> info all
> thread apply all bt
>
> to generate a report when it crashes.
Here it is:
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x5de400 (LWP 100153)]
0x000000000040bb39 in acquire_device_for_read (dcr=0x5d0028) at
acquire.c:269
269 ASSERT(0);
Current language: auto; currently c++
(gdb) up
#1 0x000000000042c958 in mount_next_read_volume (dcr=0x5d0028) at
mount.c:790
790 if (!acquire_device_for_read(dcr)) {
(gdb) do
#0 0x000000000040bb39 in acquire_device_for_read (dcr=0x5d0028) at
acquire.c:269
269 ASSERT(0);
(gdb) bt
#0 0x000000000040bb39 in acquire_device_for_read (dcr=0x5d0028) at
acquire.c:269
#1 0x000000000042c958 in mount_next_read_volume (dcr=0x5d0028) at
mount.c:790
#2 0x000000000042f2ab in read_records (dcr=0x5d0028, record_cb=0x42ee40
<record_cb>, mount_cb=0x42c8b0 <mount_next_read_volume(DCR*)>) at
read_record.c:86
#3 0x000000000042edd5 in do_read_data (jcr=0x5dec28) at read.c:86
#4 0x0000000000423568 in read_data_cmd (jcr=0x5dec28) at fd_cmds.c:280
#5 0x0000000000423099 in do_fd_commands (jcr=0x5dec28) at fd_cmds.c:165
#6 0x0000000000422ee3 in run_job (jcr=0x5dec28) at fd_cmds.c:128
#7 0x000000000042471c in run_cmd (jcr=0x5dec28) at job.c:210
#8 0x000000000041d5bd in handle_connection_request (arg=0x5bca28) at
dircmd.c:232
#9 0x0000000000461753 in workq_server (arg=0x58de00) at workq.c:357
#10 0x00000008007d36e9 in pthread_create () from /lib/libpthread.so.2
#11 0x00000008013eae04 in makecontext () from /lib/libc.so.6
#12 0x0000000000000000 in ?? ()
#13 0x00000000005de400 in ?? ()
#14 0x00000000004614f0 in workq_remove () at workq.c:288
(gdb) info all
rax 0x0 0
rbx 0x5b8fc0 6000576
rcx 0x4 4
rdx 0x5b8028 5996584
rsi 0x7fffff3f8ecc 140737475743436
rdi 0x7fffff3f8ec0 140737475743424
rbp 0x7fffff3fa5a0 0x7fffff3fa5a0
rsp 0x7fffff3fa410 0x7fffff3fa410
r8 0x30e 782
r9 0x0 0
r10 0x0 0
r11 0x0 0
r12 0x5dec28 6155304
r13 0x0 0
r14 0x0 0
r15 0x23 35
rip 0x40bb39 0x40bb39 <acquire_device_for_read(DCR*)+3177>
eflags 0x10202 66050
cs 0x2b 43
ss 0x23 35
ds 0x0 0
es 0x0 0
fs 0x0 0
gs 0x0 0
st0 0 (raw 0x00000000000000000000)
st1 0 (raw 0x00000000000000000000)
st2 0 (raw 0x00000000000000000000)
st3 0 (raw 0x00000000000000000000)
st4 0 (raw 0x00000000000000000000)
st5 0 (raw 0x00000000000000000000)
st6 0 (raw 0x00000000000000000000)
st7 0 (raw 0x00000000000000000000)
fctrl 0x37f 895
fstat 0x0 0
ftag 0xffff 65535
fiseg 0x0 0
fioff 0x0 0
foseg 0x0 0
fooff 0x0 0
fop 0x0 0
xmm0 {f = {0x0, 0x0, 0x0, 0x0}} {f = {0, 0, 0, 0}}
xmm1 {f = {0x0, 0x4, 0x0, 0x0}} {f = {0, 4.5, 0, 0}}
xmm2 {f = {0x0, 0x0, 0x0, 0x0}} {f = {0, 0, 0, 0}}
xmm3 {f = {0x0, 0x0, 0x0, 0x0}} {f = {0, 0, 0, 0}}
xmm4 {f = {0x0, 0x0, 0x0, 0x0}} {f = {0, 0, 0, 0}}
xmm5 {f = {0x0, 0x0, 0x0, 0x0}} {f = {0, 0, 0, 0}}
xmm6 {f = {0x0, 0x0, 0x0, 0x0}} {f = {0, 0, 0, 0}}
xmm7 {f = {0x0, 0x0, 0x0, 0x0}} {f = {0, 0, 0, 0}}
xmm8 {f = {0x0, 0x0, 0x0, 0x0}} {f = {0, 0, 0, 0}}
xmm9 {f = {0x0, 0x0, 0x0, 0x0}} {f = {0, 0, 0, 0}}
xmm10 {f = {0x0, 0x0, 0x0, 0x0}} {f = {0, 0, 0, 0}}
xmm11 {f = {0x0, 0x0, 0x0, 0x0}} {f = {0, 0, 0, 0}}
xmm12 {f = {0x0, 0x0, 0x0, 0x0}} {f = {0, 0, 0, 0}}
xmm13 {f = {0x0, 0x0, 0x0, 0x0}} {f = {0, 0, 0, 0}}
xmm14 {f = {0x0, 0x0, 0x0, 0x0}} {f = {0, 0, 0, 0}}
xmm15 {f = {0x0, 0x0, 0x0, 0x0}} {f = {0, 0, 0, 0}}
mxcsr 0x1f80 8064
(gdb) thread apply all bt
Thread 5 (Thread 0x5de400 (LWP 100153)):
#0 0x000000000040bb39 in acquire_device_for_read (dcr=0x5d0028) at
acquire.c:269
#1 0x000000000042c958 in mount_next_read_volume (dcr=0x5d0028) at
mount.c:790
#2 0x000000000042f2ab in read_records (dcr=0x5d0028, record_cb=0x42ee40
<record_cb>, mount_cb=0x42c8b0 <mount_next_read_volume(DCR*)>) at
read_record.c:86
#3 0x000000000042edd5 in do_read_data (jcr=0x5dec28) at read.c:86
#4 0x0000000000423568 in read_data_cmd (jcr=0x5dec28) at fd_cmds.c:280
#5 0x0000000000423099 in do_fd_commands (jcr=0x5dec28) at fd_cmds.c:165
#6 0x0000000000422ee3 in run_job (jcr=0x5dec28) at fd_cmds.c:128
#7 0x000000000042471c in run_cmd (jcr=0x5dec28) at job.c:210
#8 0x000000000041d5bd in handle_connection_request (arg=0x5bca28) at
dircmd.c:232
#9 0x0000000000461753 in workq_server (arg=0x58de00) at workq.c:357
#10 0x00000008007d36e9 in pthread_create () from /lib/libpthread.so.2
#11 0x00000008013eae04 in makecontext () from /lib/libc.so.6
#12 0x0000000000000000 in ?? ()
#13 0x00000000005de400 in ?? ()
#14 0x00000000004614f0 in workq_remove () at workq.c:288
Thread 4 (LWP 100226):
#0 0x000000000040bb39 in acquire_device_for_read (dcr=0x5d0028) at
acquire.c:269
#1 0x000000000042c958 in mount_next_read_volume (dcr=0x5d0028) at
mount.c:790
#2 0x000000000042f2ab in read_records (dcr=0x5d0028, record_cb=0x42ee40
<record_cb>, mount_cb=0x42c8b0 <mount_next_read_volume(DCR*)>) at
read_record.c:86
#3 0x000000000042edd5 in do_read_data (jcr=0x5dec28) at read.c:86
#4 0x0000000000423568 in read_data_cmd (jcr=0x5dec28) at fd_cmds.c:280
#5 0x0000000000423099 in do_fd_commands (jcr=0x5dec28) at fd_cmds.c:165
#6 0x0000000000422ee3 in run_job (jcr=0x5dec28) at fd_cmds.c:128
#7 0x000000000042471c in run_cmd (jcr=0x5dec28) at job.c:210
#8 0x000000000041d5bd in handle_connection_request (arg=0x5bca28) at
dircmd.c:232
#9 0x0000000000461753 in workq_server (arg=0x58de00) at workq.c:357
#10 0x00000008007d36e9 in pthread_create () from /lib/libpthread.so.2
#11 0x00000008013eae04 in makecontext () from /lib/libc.so.6
#12 0x0000000000000000 in ?? ()
#13 0x00000000005de400 in ?? ()
#14 0x00000000004614f0 in workq_remove () at workq.c:288
Thread 3 (Thread 0x59a000 (runnable)):
#0 0x000000080147fe8c in select () from /lib/libc.so.6
#1 0x00000008007cb47d in select () from /lib/libpthread.so.2
#2 0x00000000004409c6 in bnet_thread_server (addrs=0x590928,
max_clients=41, client_wq=0x58de00,
handle_client_request=0x41cfb0 <handle_connection_request(void*)>)
at bnet_server.c:161
#3 0x0000000000406869 in main (argc=0, argv=0x7fffffffe810) at stored.c:264
Thread 2 (Thread 0x5bd000 (LWP 100150)):
#0 0x00000008007e1eec in pthread_testcancel () from /lib/libpthread.so.2
#1 0x0000000000000000 in ?? ()
#2 0x0000000000000000 in ?? ()
#3 0x000000000000001e in ?? ()
#4 0x0000000000000000 in ?? ()
#5 0x00000000005bd000 in ?? ()
#6 0x00000000005bd000 in ?? ()
#7 0x000000000059a000 in ?? ()
#8 0x00000008007da47a in pthread_mutexattr_init () from
/lib/libpthread.so.2
#9 0x0000000000000000 in ?? ()
Error accessing memory address 0x7fffffbff000: Bad address.
0x000000000040bb39 269 ASSERT(0);
I guess I should really file that bug report, but I'm lost wrt how to
describe this in details.
bye & Thanks
av.
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