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XFSTests generic/258 failure: negative timestamps wrap #15
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stevenjswanson
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XFSTest generic/258 failure: negative timestamps wrap
XFSTests generic/258 failure: negative timestamps wrap
Jul 1, 2017
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stevenjswanson
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Currently we are allocating drm_device in rockchip_drm_bind, so if the suspend/resume code access it when drm is not bound, we would hit this crash: [ 253.402836] Unable to handle kernel NULL pointer dereference at virtual address 00000028 [ 253.402837] pgd = ffffffc06c9b0000 [ 253.402841] [00000028] *pgd=0000000000000000, *pud=0000000000000000 [ 253.402844] Internal error: Oops: 96000005 [#1] PREEMPT SMP [ 253.402859] Modules linked in: btusb btrtl btbcm btintel bluetooth ath10k_pci ath10k_core ar10k_ath ar10k_mac80211 cfg80211 ip6table_filter asix usbnet mii [ 253.402864] CPU: 4 PID: 1331 Comm: cat Not tainted 4.4.70 #15 [ 253.402865] Hardware name: Google Scarlet (DT) [ 253.402867] task: ffffffc076c0ce00 ti: ffffffc06c2c8000 task.ti: ffffffc06c2c8000 [ 253.402871] PC is at rockchip_drm_sys_suspend+0x20/0x5c Add sanity checks to prevent that. Reported-by: Brian Norris <briannorris@chromium.com> Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: https://patchwork.kernel.org/patch/9890297/
juno-kim
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Crash dump shows following instructions crash> bt PID: 0 TASK: ffffffffbe412480 CPU: 0 COMMAND: "swapper/0" #0 [ffff891ee0003868] machine_kexec at ffffffffbd063ef1 #1 [ffff891ee00038c8] __crash_kexec at ffffffffbd12b6f2 #2 [ffff891ee0003998] crash_kexec at ffffffffbd12c84c #3 [ffff891ee00039b8] oops_end at ffffffffbd030f0a #4 [ffff891ee00039e0] no_context at ffffffffbd074643 #5 [ffff891ee0003a40] __bad_area_nosemaphore at ffffffffbd07496e #6 [ffff891ee0003a90] bad_area_nosemaphore at ffffffffbd074a64 #7 [ffff891ee0003aa0] __do_page_fault at ffffffffbd074b0a #8 [ffff891ee0003b18] do_page_fault at ffffffffbd074fc8 #9 [ffff891ee0003b50] page_fault at ffffffffbda01925 [exception RIP: qlt_schedule_sess_for_deletion+15] RIP: ffffffffc02e526f RSP: ffff891ee0003c08 RFLAGS: 00010046 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffc0307847 RDX: 00000000000020e6 RSI: ffff891edbc377c8 RDI: 0000000000000000 RBP: ffff891ee0003c18 R8: ffffffffc02f0b20 R9: 0000000000000250 R10: 0000000000000258 R11: 000000000000b780 R12: ffff891ed9b43000 R13: 00000000000000f0 R14: 0000000000000006 R15: ffff891edbc377c8 ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018 #10 [ffff891ee0003c20] qla2x00_fcport_event_handler at ffffffffc02853d3 [qla2xxx] #11 [ffff891ee0003cf0] __dta_qla24xx_async_gnl_sp_done_333 at ffffffffc0285a1d [qla2xxx] #12 [ffff891ee0003de8] qla24xx_process_response_queue at ffffffffc02a2eb5 [qla2xxx] #13 [ffff891ee0003e88] qla24xx_msix_rsp_q at ffffffffc02a5403 [qla2xxx] #14 [ffff891ee0003ec0] __handle_irq_event_percpu at ffffffffbd0f4c59 #15 [ffff891ee0003f10] handle_irq_event_percpu at ffffffffbd0f4e02 #16 [ffff891ee0003f40] handle_irq_event at ffffffffbd0f4e90 #17 [ffff891ee0003f68] handle_edge_irq at ffffffffbd0f8984 #18 [ffff891ee0003f88] handle_irq at ffffffffbd0305d5 #19 [ffff891ee0003fb8] do_IRQ at ffffffffbda02a18 --- <IRQ stack> --- #20 [ffffffffbe403d30] ret_from_intr at ffffffffbda0094e [exception RIP: unknown or invalid address] RIP: 000000000000001f RSP: 0000000000000000 RFLAGS: fff3b8c2091ebb3f RAX: ffffbba5a0000200 RBX: 0000be8cdfa8f9fa RCX: 0000000000000018 RDX: 0000000000000101 RSI: 000000000000015d RDI: 0000000000000193 RBP: 0000000000000083 R8: ffffffffbe403e38 R9: 0000000000000002 R10: 0000000000000000 R11: ffffffffbe56b820 R12: ffff891ee001cf00 R13: ffffffffbd11c0a4 R14: ffffffffbe403d60 R15: 0000000000000001 ORIG_RAX: ffff891ee0022ac0 CS: 0000 SS: ffffffffffffffb9 bt: WARNING: possibly bogus exception frame #21 [ffffffffbe403dd8] cpuidle_enter_state at ffffffffbd67c6fd #22 [ffffffffbe403e40] cpuidle_enter at ffffffffbd67c907 #23 [ffffffffbe403e50] call_cpuidle at ffffffffbd0d98f3 #24 [ffffffffbe403e60] do_idle at ffffffffbd0d9b42 #25 [ffffffffbe403e98] cpu_startup_entry at ffffffffbd0d9da3 #26 [ffffffffbe403ec0] rest_init at ffffffffbd81d4aa #27 [ffffffffbe403ed0] start_kernel at ffffffffbe67d2ca #28 [ffffffffbe403f28] x86_64_start_reservations at ffffffffbe67c675 #29 [ffffffffbe403f38] x86_64_start_kernel at ffffffffbe67c6eb #30 [ffffffffbe403f50] secondary_startup_64 at ffffffffbd0000d5 Fixes: 040036b ("scsi: qla2xxx: Delay loop id allocation at login") Cc: <stable@vger.kernel.org> # v4.17+ Signed-off-by: Chuck Anderson <chuck.anderson@oracle.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
juno-kim
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By calling maps__insert() we assume to get 2 references on the map, which we relese within maps__remove call. However if there's already same map name, we currently don't bump the reference and can crash, like: Program received signal SIGABRT, Aborted. 0x00007ffff75e60f5 in raise () from /lib64/libc.so.6 (gdb) bt #0 0x00007ffff75e60f5 in raise () from /lib64/libc.so.6 #1 0x00007ffff75d0895 in abort () from /lib64/libc.so.6 #2 0x00007ffff75d0769 in __assert_fail_base.cold () from /lib64/libc.so.6 #3 0x00007ffff75de596 in __assert_fail () from /lib64/libc.so.6 #4 0x00000000004fc006 in refcount_sub_and_test (i=1, r=0x1224e88) at tools/include/linux/refcount.h:131 #5 refcount_dec_and_test (r=0x1224e88) at tools/include/linux/refcount.h:148 #6 map__put (map=0x1224df0) at util/map.c:299 #7 0x00000000004fdb95 in __maps__remove (map=0x1224df0, maps=0xb17d80) at util/map.c:953 #8 maps__remove (maps=0xb17d80, map=0x1224df0) at util/map.c:959 #9 0x00000000004f7d8a in map_groups__remove (map=<optimized out>, mg=<optimized out>) at util/map_groups.h:65 #10 machine__process_ksymbol_unregister (sample=<optimized out>, event=0x7ffff7279670, machine=<optimized out>) at util/machine.c:728 #11 machine__process_ksymbol (machine=<optimized out>, event=0x7ffff7279670, sample=<optimized out>) at util/machine.c:741 #12 0x00000000004fffbb in perf_session__deliver_event (session=0xb11390, event=0x7ffff7279670, tool=0x7fffffffc7b0, file_offset=13936) at util/session.c:1362 #13 0x00000000005039bb in do_flush (show_progress=false, oe=0xb17e80) at util/ordered-events.c:243 #14 __ordered_events__flush (oe=0xb17e80, how=OE_FLUSH__ROUND, timestamp=<optimized out>) at util/ordered-events.c:322 #15 0x00000000005005e4 in perf_session__process_user_event (session=session@entry=0xb11390, event=event@entry=0x7ffff72a4af8, ... Add the map to the list and getting the reference event if we find the map with same name. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexei Starovoitov <ast@kernel.org> Cc: Andi Kleen <ak@linux.intel.com> Cc: Daniel Borkmann <daniel@iogearbox.net> Cc: Eric Saint-Etienne <eric.saint.etienne@oracle.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Song Liu <songliubraving@fb.com> Fixes: 1e62856 ("perf symbols: Fix slowness due to -ffunction-section") Link: http://lkml.kernel.org/r/20190416160127.30203-10-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
yh-raphael
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Merge pull request NVSL#14 from hishine6/master
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FSTYP -- NOVA
PLATFORM -- Linux/x86_64 instance-1 4.10.0-rc8-nova
MKFS_OPTIONS -- /dev/pmem1
MOUNT_OPTIONS -- /dev/pmem1 /mnt/scratch
generic/258 [failed, exit status 1] - output mismatch (see /home/nova-ci/nova-testscripts/nova-ci/xfstests/xfstests/results//generic/258.out.bad)
--- tests/generic/258.out 2017-06-29 19:17:54.640783343 +0000
+++ /home/nova-ci/nova-testscripts/nova-ci/xfstests/xfstests/results//generic/258.out.bad 2017-06-29 21:21:53.052662461 +0000
@@ -3,3 +3,6 @@
Testing for negative seconds since epoch
Remounting to flush cache
Testing for negative seconds since epoch
+Timestamp wrapped: 3979351756
+Timestamp wrapped
+(see /home/nova-ci/nova-testscripts/nova-ci/xfstests/xfstests/results//generic/258.full for details)
...
(Run 'diff -u tests/generic/258.out /home/nova-ci/nova-testscripts/nova-ci/xfstests/xfstests/results//generic/258.out.bad' to see the entire diff)
Ran: generic/258
Failures: generic/258
Failed 1 of 1 tests
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