[Gluster-devel] [master][FAILED] brick-mux-regression

Milind Changire mchangir at redhat.com
Mon Dec 3 06:38:23 UTC 2018 

On Mon, Dec 3, 2018 at 8:32 AM Raghavendra Gowdappa <rgowdapp at redhat.com>
wrote:

> On Mon, Dec 3, 2018 at 8:25 AM Raghavendra Gowdappa <rgowdapp at redhat.com>
> wrote:
>
>> On Sat, Dec 1, 2018 at 11:02 AM Milind Changire <mchangir at redhat.com>
>> wrote:
>>
>>> failed brick-mux-regression job:
>>> https://build.gluster.org/job/regression-on-demand-multiplex/411/console
>>>
>>> patch:
>>> https://review.gluster.org/c/glusterfs/+/21719
>>>
>>
>> Does this happen only with the above patch? Does brick-mux regression
>> succeed on current master without this patch? Wondering whether the
>> parallelism introduced by bumping up event-threads to 2, is opening up some
>> races in multiplexed environment (though there were always more than one
>> event-thread when more than one brick is multiplexed).
>>
>
> Also, is this bug locally reproducible on your setup if you run test
> following test with brick-mux enabled (with and without your patch)?
>
> ./tests/bugs/glusterd/add-brick-and-validate-replicated-volume-options.t
>
> running the above test with brick-mux enabled works well with and without
the "event-threads bump" patch on my centos7 setup
so, the issue is not reproducible on my setup


>>
>>>
>>> stack trace:
>>> $ gdb -ex 'set sysroot ./' -ex 'core-file
>>> ./build/install/cores/glfs_epoll000-964.core'
>>> ./build/install/sbin/glusterfsd
>>> GNU gdb (GDB) Fedora 8.2-4.fc29
>>> Copyright (C) 2018 Free Software Foundation, Inc.
>>> License GPLv3+: GNU GPL version 3 or later <
>>> http://gnu.org/licenses/gpl.html>
>>> This is free software: you are free to change and redistribute it.
>>> There is NO WARRANTY, to the extent permitted by law.
>>> Type "show copying" and "show warranty" for details.
>>> This GDB was configured as "x86_64-redhat-linux-gnu".
>>> Type "show configuration" for configuration details.
>>> For bug reporting instructions, please see:
>>> <http://www.gnu.org/software/gdb/bugs/>.
>>> Find the GDB manual and other documentation resources online at:
>>>     <http://www.gnu.org/software/gdb/documentation/>.
>>>
>>> For help, type "help".
>>> Type "apropos word" to search for commands related to "word"...
>>> Reading symbols from ./build/install/sbin/glusterfsd...done.
>>> [New LWP 970]
>>> [New LWP 992]
>>> [New LWP 993]
>>> [New LWP 1005]
>>> [New LWP 1241]
>>> [New LWP 964]
>>> [New LWP 968]
>>> [New LWP 996]
>>> [New LWP 995]
>>> [New LWP 994]
>>> [New LWP 967]
>>> [New LWP 969]
>>> [New LWP 1003]
>>> [New LWP 1181]
>>> [New LWP 1242]
>>> [New LWP 966]
>>> [New LWP 965]
>>> [New LWP 999]
>>> [New LWP 1000]
>>> [New LWP 1002]
>>> [New LWP 989]
>>> [New LWP 990]
>>> [New LWP 991]
>>> [New LWP 971]
>>> warning: Ignoring non-absolute filename: <./lib64/libz.so.1>
>>> Missing separate debuginfo for ./lib64/libz.so.1
>>> Try: dnf --enablerepo='*debug*' install
>>> /usr/lib/debug/.build-id/ea/8e45dc8e395cc5e26890470112d97a1f1e0b65.debug
>>> warning: Ignoring non-absolute filename: <./lib64/libuuid.so.1>
>>> Missing separate debuginfo for ./lib64/libuuid.so.1
>>> Try: dnf --enablerepo='*debug*' install
>>> /usr/lib/debug/.build-id/71/de190dc0c93504abacc17b9747cd772a1e4b0d.debug
>>> warning: Ignoring non-absolute filename: <./lib64/libm.so.6>
>>> Missing separate debuginfo for ./lib64/libm.so.6
>>> Try: dnf --enablerepo='*debug*' install
>>> /usr/lib/debug/.build-id/f4/cae74047f9aa2d5a71fdec67c4285d75753eba.debug
>>> warning: Ignoring non-absolute filename: <./lib64/librt.so.1>
>>> Missing separate debuginfo for ./lib64/librt.so.1
>>> Try: dnf --enablerepo='*debug*' install
>>> /usr/lib/debug/.build-id/d3/3989ec31efe745eb0d3b68a92d19e77d7ddfda.debug
>>> warning: Ignoring non-absolute filename: <./lib64/libdl.so.2>
>>> Missing separate debuginfo for ./lib64/libdl.so.2
>>> Try: dnf --enablerepo='*debug*' install
>>> /usr/lib/debug/.build-id/5c/db5a56336e7e2bd14ffa189411e44a834afcd8.debug
>>> warning: Ignoring non-absolute filename: <./lib64/libpthread.so.0>
>>> Missing separate debuginfo for ./lib64/libpthread.so.0
>>> Try: dnf --enablerepo='*debug*' install
>>> /usr/lib/debug/.build-id/f4/c04bce85d2d269d0a2af4972fc69805b50345b.debug
>>> warning: Expected absolute pathname for libpthread in the inferior, but
>>> got ./lib64/libpthread.so.0.
>>> warning: Unable to find libthread_db matching inferior's thread library,
>>> thread debugging will not be available.
>>> warning: Ignoring non-absolute filename: <./lib64/libcrypto.so.10>
>>> Missing separate debuginfo for ./lib64/libcrypto.so.10
>>> Try: dnf --enablerepo='*debug*' install
>>> /usr/lib/debug/.build-id/67/ceb4edd36bfe0eb31cd92da2694aca5377a599.debug
>>> warning: Ignoring non-absolute filename: <./lib64/libc.so.6>
>>> Missing separate debuginfo for ./lib64/libc.so.6
>>> Try: dnf --enablerepo='*debug*' install
>>> /usr/lib/debug/.build-id/cb/4b7554d1adbef2f001142dd6f0a5139fc9aa69.debug
>>> warning: Ignoring non-absolute filename: <./lib64/ld-linux-x86-64.so.2>
>>> Missing separate debuginfo for ./lib64/ld-linux-x86-64.so.2
>>> Try: dnf --enablerepo='*debug*' install
>>> /usr/lib/debug/.build-id/d2/66b1f6650927e18108323bcca8f7b68e68eb92.debug
>>> warning: Ignoring non-absolute filename: <./lib64/libssl.so.10>
>>> Missing separate debuginfo for ./lib64/libssl.so.10
>>> Try: dnf --enablerepo='*debug*' install
>>> /usr/lib/debug/.build-id/64/68a4e28a19cdd885a3cbc30e009589ca4c2e92.debug
>>> warning: Ignoring non-absolute filename: <./lib64/libgssapi_krb5.so.2>
>>> Missing separate debuginfo for ./lib64/libgssapi_krb5.so.2
>>> Try: dnf --enablerepo='*debug*' install
>>> /usr/lib/debug/.build-id/16/fe0dc6cefc5f444bc876516d02efe9cc2d432f.debug
>>> warning: Ignoring non-absolute filename: <./lib64/libkrb5.so.3>
>>> Missing separate debuginfo for ./lib64/libkrb5.so.3
>>> Try: dnf --enablerepo='*debug*' install
>>> /usr/lib/debug/.build-id/d1/cd1b94855a85fbc735c745db39bc096f7d8cc3.debug
>>> warning: Ignoring non-absolute filename: <./lib64/libcom_err.so.2>
>>> Missing separate debuginfo for ./lib64/libcom_err.so.2
>>> Try: dnf --enablerepo='*debug*' install
>>> /usr/lib/debug/.build-id/2c/7ef64ef0c5af8bcfa8f9e628e5605a7d8c52d3.debug
>>> warning: Ignoring non-absolute filename: <./lib64/libk5crypto.so.3>
>>> Missing separate debuginfo for ./lib64/libk5crypto.so.3
>>> Try: dnf --enablerepo='*debug*' install
>>> /usr/lib/debug/.build-id/a2/0f715c514b3ea873f4cc77d585a50cb670e266.debug
>>> warning: Ignoring non-absolute filename: <./lib64/libkrb5support.so.0>
>>> Missing separate debuginfo for ./lib64/libkrb5support.so.0
>>> Try: dnf --enablerepo='*debug*' install
>>> /usr/lib/debug/.build-id/9f/82b06ce44724a8ace827a2c95a9a76619ea314.debug
>>> warning: Ignoring non-absolute filename: <./lib64/libkeyutils.so.1>
>>> Missing separate debuginfo for ./lib64/libkeyutils.so.1
>>> Try: dnf --enablerepo='*debug*' install
>>> /usr/lib/debug/.build-id/2e/01d5ac08c1280d013aab96b292ac58bc30a263.debug
>>> warning: Ignoring non-absolute filename: <./lib64/libresolv.so.2>
>>> Missing separate debuginfo for ./lib64/libresolv.so.2
>>> Try: dnf --enablerepo='*debug*' install
>>> /usr/lib/debug/.build-id/2b/dc2b6ff0b2c204cce34d139a9eada0272eb070.debug
>>> warning: Ignoring non-absolute filename: <./lib64/libselinux.so.1>
>>> Missing separate debuginfo for ./lib64/libselinux.so.1
>>> Try: dnf --enablerepo='*debug*' install
>>> /usr/lib/debug/.build-id/1b/0c0dc4f9054c5922082921c1447739f27ac8f4.debug
>>> warning: Ignoring non-absolute filename: <./lib64/libpcre.so.1>
>>> Missing separate debuginfo for ./lib64/libpcre.so.1
>>> Try: dnf --enablerepo='*debug*' install
>>> /usr/lib/debug/.build-id/9c/a3d11f018beeb719cdb34be800bf1641350d0a.debug
>>> warning: Ignoring non-absolute filename: <./lib64/libgcc_s.so.1>
>>> Missing separate debuginfo for ./lib64/libgcc_s.so.1
>>> Try: dnf --enablerepo='*debug*' install
>>> /usr/lib/debug/.build-id/53/1aa1391ea4e1489d5ef11aa5dc2ffd9e2bdfee.debug
>>> warning: Ignoring non-absolute filename: <./lib64/libnss_files.so.2>
>>> Missing separate debuginfo for ./lib64/libnss_files.so.2
>>> Try: dnf --enablerepo='*debug*' install
>>> /usr/lib/debug/.build-id/52/ed84166576539e50b20c4edf9a104c1e04ae45.debug
>>> warning: Ignoring non-absolute filename: <./lib64/libaio.so.1>
>>> Missing separate debuginfo for ./lib64/libaio.so.1
>>> Try: dnf --enablerepo='*debug*' install
>>> /usr/lib/debug/.build-id/62/bdce334f05919d9568bf4c44e4bc470dcf8c56.debug
>>> warning: Ignoring non-absolute filename: <./lib64/libacl.so.1>
>>> Missing separate debuginfo for ./lib64/libacl.so.1
>>> Try: dnf --enablerepo='*debug*' install
>>> /usr/lib/debug/.build-id/7f/39882fc0b80be53790c2eac307d39f7de1ad6e.debug
>>> warning: Ignoring non-absolute filename: <./lib64/libattr.so.1>
>>> Missing separate debuginfo for ./lib64/libattr.so.1
>>> Try: dnf --enablerepo='*debug*' install
>>> /usr/lib/debug/.build-id/26/17ecc6738047e207ae3add990bd6a34d11b265.debug
>>> warning: Expected absolute pathname for libpthread in the inferior, but
>>> got ./lib64/libpthread.so.0.
>>> warning: Unable to find libthread_db matching inferior's thread library,
>>> thread debugging will not be available.
>>> Core was generated by `/build/install/sbin/glusterfsd -s
>>> builder105.cloud.gluster.org --volfile-id pat'.
>>> Program terminated with signal SIGSEGV, Segmentation fault.
>>> #0  0x000000000040bc33 in STACK_DESTROY (stack=0x3) at
>>> /home/jenkins/root/workspace/regression-on-demand-multiplex/libglusterfs/src/stack.h:182
>>> 182        LOCK(&stack->pool->lock);
>>> [Current thread is 1 (LWP 970)]
>>> (gdb) bt
>>> #0  0x000000000040bc33 in STACK_DESTROY (stack=0x3) at
>>> /home/jenkins/root/workspace/regression-on-demand-multiplex/libglusterfs/src/stack.h:182
>>> #1  0x000000000041286e in mgmt_pmap_signin_cbk (req=0x7f9af0349768,
>>> iov=0x7f9af03497a0, count=1, myframe=0x7f9af0141648)
>>>     at
>>> /home/jenkins/root/workspace/regression-on-demand-multiplex/glusterfsd/src/glusterfsd-mgmt.c:2829
>>> #2  0x00007f9b0dc5c59e in rpc_clnt_handle_reply (clnt=0x7fa5b0,
>>> pollin=0x7f9af0008750)
>>>     at
>>> /home/jenkins/root/workspace/regression-on-demand-multiplex/rpc/rpc-lib/src/rpc-clnt.c:755
>>> #3  0x00007f9b0dc5cac7 in rpc_clnt_notify (trans=0x7fa910,
>>> mydata=0x7fa5e0, event=RPC_TRANSPORT_MSG_RECEIVED, data=0x7f9af0008750)
>>>     at
>>> /home/jenkins/root/workspace/regression-on-demand-multiplex/rpc/rpc-lib/src/rpc-clnt.c:922
>>> #4  0x00007f9b0dc58b23 in rpc_transport_notify (this=0x7fa910,
>>> event=RPC_TRANSPORT_MSG_RECEIVED, data=0x7f9af0008750)
>>>     at
>>> /home/jenkins/root/workspace/regression-on-demand-multiplex/rpc/rpc-lib/src/rpc-transport.c:525
>>> #5  0x00007f9b02a6a6a6 in socket_event_poll_in (this=0x7fa910,
>>> notify_handled=true)
>>>     at
>>> /home/jenkins/root/workspace/regression-on-demand-multiplex/rpc/rpc-transport/socket/src/socket.c:2530
>>> #6  0x00007f9b02a6b687 in socket_event_handler (fd=16, idx=8, gen=10,
>>> data=0x7fa910, poll_in=1, poll_out=0, poll_err=0)
>>>     at
>>> /home/jenkins/root/workspace/regression-on-demand-multiplex/rpc/rpc-transport/socket/src/socket.c:2931
>>> #7  0x00007f9b0df146c1 in event_dispatch_epoll_handler
>>> (event_pool=0x7b0c30, event=0x7f9b00fa1ea0)
>>>     at
>>> /home/jenkins/root/workspace/regression-on-demand-multiplex/libglusterfs/src/event-epoll.c:591
>>> #8  0x00007f9b0df149ba in event_dispatch_epoll_worker (data=0x7fc110)
>>>     at
>>> /home/jenkins/root/workspace/regression-on-demand-multiplex/libglusterfs/src/event-epoll.c:668
>>> #9  0x00007f9b0cce5e25 in start_thread () from ./lib64/libpthread.so.0
>>> #10 0x00007f9b0c5aebad in clone () from ./lib64/libc.so.6
>>> (gdb) up
>>> #1  0x000000000041286e in mgmt_pmap_signin_cbk (req=0x7f9af0349768,
>>> iov=0x7f9af03497a0, count=1, myframe=0x7f9af0141648)
>>>     at
>>> /home/jenkins/root/workspace/regression-on-demand-multiplex/glusterfsd/src/glusterfsd-mgmt.c:2829
>>> 2829        STACK_DESTROY(frame->root);
>>> (gdb) p *frame
>>> $1 = {root = 0x3, parent = 0x300000001, frames = {next =
>>> 0xffffffffffffffff, prev = 0x7f9af01416a8}, local = 0x7f9af0003958, this =
>>> 0x0,
>>>   ret = 0x0, ref_count = 0, lock = {spinlock = 0, mutex = {__data =
>>> {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0,
>>>         __spins = 0, __elision = 0, __list = {__prev = 0x0, __next =
>>> 0x7f9af0003958}},
>>>       __size = '\000' <repeats 32 times>, "X9\000\360\232\177\000",
>>> __align = 0}}, cookie = 0x0, complete = 232, op = 32666, begin = {
>>>     tv_sec = 0, tv_nsec = 140303428253256}, end = {tv_sec =
>>> 140303428244368, tv_nsec = 245890744},
>>>   wind_from = 0x1 <error: Cannot access memory at address 0x1>, wind_to
>>> = 0x0, unwind_from = 0x0, unwind_to = 0x0}
>>> (gdb)
>>>
>>> _______________________________________________
>>> Gluster-devel mailing list
>>> Gluster-devel at gluster.org
>>> https://lists.gluster.org/mailman/listinfo/gluster-devel
>>
>>

-- 
Milind
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