This is a memory overrun issue.
I was not able to fully RCA this issue. In particular i had trouble trying to run gluster on netbsd setup.
will pick this up later if it is deemed as priority.
(gdb)
#0 0xbb40b4b7 in ?? ()
#1 0xbb756685 in synctask_destroy (task=0xb6722030) at /home/jenkins/root/workspace/netbsd7-regression/libglusterfs/src/syncop.c:391
#2 0xbb756701 in synctask_done (task=0xb6722030) at /home/jenkins/root/workspace/netbsd7-regression/libglusterfs/src/syncop.c:409
#3 0xbb756fed in synctask_switchto (task=0xb6722030) at /home/jenkins/root/workspace/netbsd7-regression/libglusterfs/src/syncop.c:668
#4 0xbb75709b in syncenv_processor (thdata=<error reading variable: Cannot access memory at address 0xb9efcfd8>)
at /home/jenkins/root/workspace/netbsd7-regression/libglusterfs/src/syncop.c:699
(gdb) frame 1
#1 0xbb756685 in synctask_destroy (task=0xb6722030) at /home/jenkins/root/workspace/netbsd7-regression/libglusterfs/src/syncop.c:391
391 /home/jenkins/root/workspace/netbsd7-regression/libglusterfs/src/syncop.c: No such file or directory.
(gdb) p *task
$1 = {all_tasks = {next = 0xb6722030, prev = 0xb6722030}, env = 0xbb1a9030, xl = 0xb9901030, frame = 0x0, opframe = 0xb6702100, synccbk = 0xb9aa0849 <mq_synctask_cleanup>,
syncfn = 0xb9aa297a <mq_update_dirty_inode_task>, state = SYNCTASK_DONE, opaque = 0xb670b0b0, stack = 0xb6724030, woken = 0, slept = 0, ret = 0, uid = 0, gid = 0, ctx = {
uc_flags = 524335, uc_link = 0x0, uc_sigmask = {__bits = {4294897751, 4294967295, 4294967295, 4294967295}}, uc_stack = {ss_sp = 0xbf800000, ss_size = 270336, ss_flags = 0},
uc_mcontext = {__gregs = {179, 171, 31, 31, -1195381232, -1234128720, -1234010112, -1234010176, -1149368040, -1155886264, -1234034576, 0, 3, 2, -1149934353, 23, 2097814, -1234010160,
31}, __fpregs = {__fp_reg_set = {__fpchip_state = {__fp_state = {16778111, 0, -1180420687, 23, -1195379520, 31, 8064, 65471, 0 <repeats 19 times>}}, __fp_xmm_state = {
__fp_xmm = "\177\003\000\001\000\000\000\000\261\065��\027\000\000\000�\364\277�\037\000\000\000\200\037\000\000\277\377", '\000' <repeats 105 times>, "�\005@", '\000' <repeats 13 times>, "�\005@", '\000' <repeats 310 times>...}, __fp_fpregs = {16778111, 0, -1180420687, 23, -1195379520, 31, 8064, 65471, 0 <repeats 25 times>, -268435456, 16389, 0, 0, -1610612736,
16389, 0 <repeats 77 times>, 895, 0 <repeats 11 times>}}, __fp_pad = {0 <repeats 33 times>}}, _mc_tlsbase = -1154730944}, __uc_pad = {0, 0, 0, 0}}, proc = 0xbb1a9344, mutex = {
ptm_magic = 0, ptm_errorcheck = 0 '\000', ptm_pad1 = "\000\000", ptm_interlock = 0 '\000', ptm_pad2 = "\000\000", ptm_owner = 0x0, ptm_waiters = 0x0, ptm_recursed = 0,
ptm_spare2 = 0x0}, cond = {ptc_magic = 0, ptc_lock = 0 '\000', ptc_waiters = {ptqh_first = 0x0, ptqh_last = 0x0}, ptc_mutex = 0x0, ptc_private = 0x0}, done = 0, waitq = {
next = 0xb67223b4, prev = 0xb67223b4}, btbuf = "(--> 0xbb7564d1 (--> <synctask_yield+0x5f> (--> at (--> /build/install/lib/libglusterfs.so.0 ))))", '\000' <repeats 3998 times>}
(gdb) p/x *(struct mem_header*)(task->stack - sizeof(struct mem_header))
$10 = {type = 0xbb6cd33f, size = 0x1, mem_acct = 0xb992f000, magic = 0xcafebabe, padding = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}
=>Header magic is intact
(gdb) x/5x (task->stack)
0xb6724030: 0x00000000 0x00000000 0x00000000 0x00000000
0xb6724040: 0x00000000
=>Trailer magic is Overwritten
Regards,
Sanoj
+Muthu, +Sanoj
Sure Vijay. One of us will take a look.
----- Original Message -----
> From: "Vijay Bellur" <vbellur@xxxxxxxxxx>
> To: "Gluster Devel" <gluster-devel@xxxxxxxxxxx>, "Raghavendra Gowdappa" <rgowdapp@xxxxxxxxxx>
> Sent: Wednesday, October 5, 2016 11:25:34 PM
> Subject: quota-rename.t core in netbsd
>
> Hi All,
>
> I observed a few crashes due to quota-rename.t in netbsd regression
> runs [1] [2]. Raghavendra - can you please take a look when you get a
> chance?
>
> The core files and logs cannot be downloaded from the URLs in jenkins
> job console history for NetBSD. I have logged a bug [3] on the
> infrastructure for that.
>
> Thanks,
> Vijay
>
> [1] https://build.gluster.org/job/netbsd7-regression/942/ consoleFull
>
> [2] https://build.gluster.org/job/netbsd7-regression/945/console
>
> [3] https://bugzilla.redhat.com/show_bug.cgi?id=1382097
>
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