Samba4 panic action

steve steve at steve-ss.com
Fri Oct 12 04:51:45 MDT 2012


On 11/10/12 21:21, Jeremy Allison wrote:
> On Thu, Oct 11, 2012 at 06:30:27PM +0200, steve wrote:
>> On 11/10/12 13:32, Andrew Bartlett wrote:
>>> On Thu, 2012-10-11 at 13:18 +0200, steve wrote:
>>>> Version 4.1.0pre1-GIT-957f9fa
>>>> Hi
>>>> Accessing shares on the s3fs server from a w7 client hangs with this:
>>>
>>> Thanks for testing this, and I'm sorry this caused you trouble.
>>>
>>> The attached patch fixes the changes I made earlier today, and is in
>>> autobuild.
>>>
>>> Andrew Bartlett
>>>
>> Hi
>> I applied the patch and all is well for W7 but now XP hangs with
>> this as soon as anything is read from the file server:
>> ]
>> /usr/local/samba/sbin/smbd:
>
> Can you build with -g please and attach with gdb to get a
> backtrace with line numbers ?
>
> Thanks !
>
> Jeremy.
>

OK. I spoke too soon. w7 works OK. XP still crashes with the LO v3.5.6

Here is the trace:

(gdb) bt full
#0  0xb7fdc424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb76113f8 in __epoll_wait_nocancel () from /lib/libc.so.6
No symbol table info available.
#2  0xb7e69b90 in epoll_event_loop (std_ev=0x806fcf8, tvalp=0xbfffef04)
     at ../lib/tevent/tevent_standard.c:282
         ret = 134675704
         i = 1350038816
         events = {{events = 1, data = {ptr = 0xb7e60ff4, fd = -1209659404,
               u32 = 3085307892, u64 = 20265177076}}}
         timeout = 4691
#3  0xb7e6a473 in std_event_loop_once (ev=0x806fc80,
     location=0x805665f "../source4/smbd/server.c:486")
     at ../lib/tevent/tevent_standard.c:567
         std_ev = 0x806fcf8
         tval = {tv_sec = 4, tv_usec = 690477}
#4  0xb7e65544 in _tevent_loop_once (ev=0x806fc80,
     location=0x805665f "../source4/smbd/server.c:486")
     at ../lib/tevent/tevent.c:507
         ret = 0
         nesting_stack_ptr = 0x0
#5  0xb7e6575f in tevent_common_loop_wait (ev=0x806fc80,
     location=0x805665f "../source4/smbd/server.c:486")
     at ../lib/tevent/tevent.c:608
---Type <return> to continue, or q <return> to quit---
         ret = 0
#6  0xb7e65811 in _tevent_loop_wait (ev=0x806fc80,
     location=0x805665f "../source4/smbd/server.c:486")
     at ../lib/tevent/tevent.c:627
No locals.
#7  0x080527cc in binary_smbd_main (binary_name=0x8055eb7 "samba", argc=4,
     argv=0xbffff1f4) at ../source4/smbd/server.c:486
         opt_daemon = false
         opt_interactive = true
         opt = -1
         pc = 0x805b008
         static_init = {0xb7ed742c <server_service_auth_init>,
           0xb7eda050 <server_service_echo_init>, 0x0}
         shared_init = 0x8087b48
         event_ctx = 0x806fc80
         stdin_event_flags = 1
         status = {v = 0}
         model = 0x805b9f0 "single"
         max_runtime = 0
         long_options = {{longName = 0x0, shortName = 0 '\000', argInfo 
= 4,
             arg = 0xb76d8180 <poptHelpOptions>, val = 0,
             descrip = 0x8056079 "Help options:", argDescrip = 0x0}, {
             longName = 0x8056087 "daemon", shortName = 68 'D', argInfo 
= 0,
             arg = 0x0, val = 1000,


Thanks,
Steve



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