[Bug 1112641] New: [Build 20181018] openQA test fails in kate - ksmserver stuck or crashed, stack trace available

21 Oct 2018

      http://bugzilla.opensuse.org/show_bug.cgi?id=1112641

            Bug ID: 1112641
           Summary: [Build 20181018] openQA test fails in kate - ksmserver
                    stuck or crashed, stack trace available
    Classification: openSUSE
           Product: openSUSE Tumbleweed
           Version: Current
          Hardware: Other
               URL: https://openqa.opensuse.org/tests/778773/modules/kate/
                    steps/19
                OS: Other
            Status: NEW
          Severity: Major
          Priority: P5 - None
         Component: KDE Workspace (Plasma)
          Assignee: opensuse-kde-bugs@opensuse.org
          Reporter: okurz@suse.com
        QA Contact: qa-bugs@suse.de
          Found By: ---
           Blocker: ---

## Observation

openQA test in scenario opensuse-Tumbleweed-NET-x86_64-zdup-13.2@64bit fails in
[kate](https://openqa.opensuse.org/tests/778773/modules/kate/steps/19)

The journal includes a stack trace of blocked tasks, are they all Busy or
stuck?:

```
Oct 20 05:45:52 susetest kernel: sysrq: SysRq : Show Blocked State
Oct 20 05:45:52 susetest kernel:   task                        PC stack   pid
father
Oct 20 05:45:52 susetest kernel: ksmserver       D    0 13304  13284 0x00000000
Oct 20 05:45:52 susetest kernel: Call Trace:
Oct 20 05:45:52 susetest kernel:  ? __schedule+0x29a/0x880
Oct 20 05:45:52 susetest kernel:  ? _copy_to_iter+0x7f/0x380
Oct 20 05:45:52 susetest kernel:  schedule+0x2f/0x90
Oct 20 05:45:52 susetest kernel:  io_schedule+0x12/0x40
Oct 20 05:45:52 susetest kernel:  __lock_page_or_retry+0x174/0x2e0
Oct 20 05:45:52 susetest kernel:  ? radix_tree_lookup_slot+0xe/0x20
Oct 20 05:45:52 susetest kernel:  ? page_cache_tree_insert+0xb0/0xb0
Oct 20 05:45:52 susetest kernel:  filemap_fault+0x14f/0x740
Oct 20 05:45:52 susetest kernel:  ? filemap_map_pages+0x1f6/0x390
Oct 20 05:45:52 susetest kernel:  __do_fault+0x20/0xe0
Oct 20 05:45:52 susetest kernel:  handle_pte_fault+0x921/0xfe0
Oct 20 05:45:52 susetest kernel:  __handle_mm_fault+0x3ed/0x540
Oct 20 05:45:52 susetest kernel:  handle_mm_fault+0xfd/0x240
Oct 20 05:45:52 susetest kernel:  __do_page_fault+0x211/0x4e0
Oct 20 05:45:52 susetest kernel:  ? async_page_fault+0x8/0x30
Oct 20 05:45:52 susetest kernel:  async_page_fault+0x1e/0x30
Oct 20 05:45:52 susetest kernel: RIP: 0033:0x7faf0acccf10
Oct 20 05:45:52 susetest kernel: Code: Bad RIP value.
Oct 20 05:45:52 susetest kernel: RSP: 002b:00007fff899c32e8 EFLAGS: 00010206
Oct 20 05:45:52 susetest kernel: RAX: 000055dcd7b85fa0 RBX: 00007faf01f43240
RCX: 00007faf033b6ad8
Oct 20 05:45:52 susetest kernel: RDX: 00007faefc005e50 RSI: 00007faf01f400be
RDI: 0000000000000013
Oct 20 05:45:52 susetest kernel: RBP: 00007faefc005e50 R08: 000055dcd7c5c3c0
R09: 0000000000000003
Oct 20 05:45:52 susetest kernel: R10: 0000000000000005 R11: 0000000000000000
R12: 000055dcd7b85fa0
Oct 20 05:45:52 susetest kernel: R13: 00007faefc005e50 R14: 00007fff899c3358
R15: 000055dcd7b3d600
Oct 20 05:45:52 susetest kernel: QXcbEventReader D    0 13308  13284 0x00000000
Oct 20 05:45:52 susetest kernel: Call Trace:
Oct 20 05:45:52 susetest kernel:  ? __schedule+0x29a/0x880
Oct 20 05:45:52 susetest kernel:  schedule+0x2f/0x90
Oct 20 05:45:52 susetest kernel:  io_schedule+0x12/0x40
Oct 20 05:45:52 susetest kernel:  __lock_page_or_retry+0x174/0x2e0
Oct 20 05:45:52 susetest kernel:  ? page_cache_tree_insert+0xb0/0xb0
Oct 20 05:45:52 susetest kernel:  do_swap_page+0x21b/0x990
Oct 20 05:45:52 susetest kernel:  ? wake_up_q+0x70/0x70
Oct 20 05:45:52 susetest kernel:  handle_pte_fault+0x366/0xfe0
Oct 20 05:45:52 susetest kernel:  __handle_mm_fault+0x3ed/0x540
Oct 20 05:45:52 susetest kernel:  handle_mm_fault+0xfd/0x240
Oct 20 05:45:52 susetest kernel:  __do_page_fault+0x211/0x4e0
Oct 20 05:45:52 susetest kernel:  ? async_page_fault+0x8/0x30
Oct 20 05:45:52 susetest kernel:  async_page_fault+0x1e/0x30
Oct 20 05:45:52 susetest kernel: RIP: 0033:0x7faf0b802910
Oct 20 05:45:52 susetest kernel: Code: Bad RIP value.
Oct 20 05:45:52 susetest kernel: RSP: 002b:00007faf02b54bc8 EFLAGS: 00010206
Oct 20 05:45:52 susetest kernel: RAX: 00000000d7b4c600 RBX: 000055dcd7b3d600
RCX: 000055dcd7b3d618
Oct 20 05:45:52 susetest kernel: RDX: 000055dcd7b86060 RSI: 00007faefc007020
RDI: 000055dcd7b61270
Oct 20 05:45:52 susetest kernel: RBP: 000055dcd7b3d630 R08: 000055dcd7b4c600
R09: 00000000ffffffdf
Oct 20 05:45:52 susetest kernel: R10: 000000000000002b R11: 0000000000000000
R12: 000055dcd7b86060
Oct 20 05:45:52 susetest kernel: R13: 00007faefc007020 R14: 000055dcd7b86420
R15: 0000000000000000
Oct 20 05:45:52 susetest kernel: kwin_x11        D    0 13314  13304 0x00000000
Oct 20 05:45:52 susetest kernel: Call Trace:
Oct 20 05:45:52 susetest kernel:  ? __schedule+0x29a/0x880
Oct 20 05:45:52 susetest kernel:  schedule+0x2f/0x90
Oct 20 05:45:52 susetest kernel:  io_schedule+0x12/0x40
Oct 20 05:45:52 susetest kernel:  __lock_page_or_retry+0x174/0x2e0
Oct 20 05:45:52 susetest kernel:  ? radix_tree_lookup_slot+0xe/0x20
Oct 20 05:45:52 susetest kernel:  ? page_cache_tree_insert+0xb0/0xb0
Oct 20 05:45:52 susetest kernel:  filemap_fault+0x14f/0x740
Oct 20 05:45:52 susetest kernel:  ? filemap_map_pages+0x1f6/0x390
Oct 20 05:45:52 susetest kernel:  __do_fault+0x20/0xe0
Oct 20 05:45:52 susetest kernel:  handle_pte_fault+0x921/0xfe0
Oct 20 05:45:52 susetest kernel:  __handle_mm_fault+0x3ed/0x540
Oct 20 05:45:52 susetest kernel:  handle_mm_fault+0xfd/0x240
Oct 20 05:45:52 susetest kernel:  __do_page_fault+0x211/0x4e0
Oct 20 05:45:52 susetest kernel:  ? async_page_fault+0x8/0x30
Oct 20 05:45:52 susetest kernel:  async_page_fault+0x1e/0x30
Oct 20 05:45:52 susetest kernel: RIP: 0033:0x7f8672bbb364
Oct 20 05:45:52 susetest kernel: Code: Bad RIP value.
Oct 20 05:45:52 susetest kernel: RSP: 002b:00007ffeb6eaefa8 EFLAGS: 00010206
Oct 20 05:45:52 susetest kernel: RAX: 00007f86708edfc0 RBX: 00007f86708edff3
RCX: 0000000000000ff3
Oct 20 05:45:52 susetest kernel: RDX: 000055fe9422deb0 RSI: 00007f86708edff3
RDI: 00007f86708edff3
Oct 20 05:45:52 susetest kernel: RBP: 000055fe94213fd0 R08: 0000000000000000
R09: 000055fe94216750
Oct 20 05:45:52 susetest kernel: R10: 0000000000000001 R11: 0000000000000008
R12: 0000000000000040
Oct 20 05:45:52 susetest kernel: R13: 000055fe9420d8f0 R14: 0000000000000000
R15: 0000000000000000
Oct 20 05:45:52 susetest kernel: krunner         D    0 13323      1 0x00000000
Oct 20 05:45:52 susetest kernel: Call Trace:
Oct 20 05:45:52 susetest kernel:  ? __schedule+0x29a/0x880
Oct 20 05:45:52 susetest kernel:  schedule+0x2f/0x90
Oct 20 05:45:52 susetest kernel:  io_schedule+0x12/0x40
Oct 20 05:45:52 susetest kernel:  __lock_page_or_retry+0x174/0x2e0
Oct 20 05:45:52 susetest kernel:  ? radix_tree_lookup_slot+0xe/0x20
Oct 20 05:45:52 susetest kernel:  ? page_cache_tree_insert+0xb0/0xb0
Oct 20 05:45:52 susetest kernel:  filemap_fault+0x14f/0x740
Oct 20 05:45:52 susetest kernel:  ? filemap_map_pages+0x1f6/0x390
Oct 20 05:45:52 susetest kernel:  __do_fault+0x20/0xe0
Oct 20 05:45:52 susetest kernel:  handle_pte_fault+0x921/0xfe0
Oct 20 05:45:52 susetest kernel:  __handle_mm_fault+0x3ed/0x540
Oct 20 05:45:52 susetest kernel:  handle_mm_fault+0xfd/0x240
Oct 20 05:45:52 susetest kernel:  __do_page_fault+0x211/0x4e0
Oct 20 05:45:52 susetest kernel:  ? async_page_fault+0x8/0x30
Oct 20 05:45:52 susetest kernel:  async_page_fault+0x1e/0x30
Oct 20 05:45:52 susetest kernel: RIP: 0033:0x7f3789573364
Oct 20 05:45:52 susetest kernel: Code: Bad RIP value.
Oct 20 05:45:52 susetest kernel: RSP: 002b:00007ffcc427a0d8 EFLAGS: 00010206
Oct 20 05:45:52 susetest kernel: RAX: 00007f3781138fc0 RBX: 00007f3781138ff3
RCX: 0000000000000ff3
Oct 20 05:45:52 susetest kernel: RDX: 0000557a39491840 RSI: 00007f3781138ff3
RDI: 00007f3781138ff3
Oct 20 05:45:52 susetest kernel: RBP: 0000557a39493510 R08: 0000000000000000
R09: 0000000000000000
Oct 20 05:45:52 susetest kernel: R10: 0000000000000000 R11: 0000000000000000
R12: 0000000000000040
Oct 20 05:45:52 susetest kernel: R13: 0000000000000001 R14: 0000557a39a26d40
R15: 0000557a394f80f0
Oct 20 05:45:52 susetest kernel: plasmashell     D    0 13325      1 0x00000000
Oct 20 05:45:52 susetest kernel: Call Trace:
Oct 20 05:45:52 susetest kernel:  ? __schedule+0x29a/0x880
Oct 20 05:45:52 susetest kernel:  schedule+0x2f/0x90
Oct 20 05:45:52 susetest kernel:  io_schedule+0x12/0x40
Oct 20 05:45:52 susetest kernel:  __lock_page_or_retry+0x174/0x2e0
Oct 20 05:45:52 susetest kernel:  ? radix_tree_lookup_slot+0xe/0x20
Oct 20 05:45:52 susetest kernel:  ? page_cache_tree_insert+0xb0/0xb0
Oct 20 05:45:52 susetest kernel:  filemap_fault+0x14f/0x740
Oct 20 05:45:52 susetest kernel:  ? filemap_map_pages+0x1f6/0x390
Oct 20 05:45:52 susetest kernel:  __do_fault+0x20/0xe0
Oct 20 05:45:52 susetest kernel:  handle_pte_fault+0x921/0xfe0
Oct 20 05:45:52 susetest kernel:  __handle_mm_fault+0x3ed/0x540
Oct 20 05:45:52 susetest kernel:  handle_mm_fault+0xfd/0x240
Oct 20 05:45:52 susetest kernel:  __do_page_fault+0x211/0x4e0
Oct 20 05:45:52 susetest kernel:  ? async_page_fault+0x8/0x30
Oct 20 05:45:52 susetest kernel:  async_page_fault+0x1e/0x30
Oct 20 05:45:52 susetest kernel: RIP: 0033:0x7fe2f5bfef10
Oct 20 05:45:52 susetest kernel: Code: Bad RIP value.
Oct 20 05:45:52 susetest kernel: RSP: 002b:00007ffe1510cb58 EFLAGS: 00010206
Oct 20 05:45:52 susetest kernel: RAX: 0000563cc7b3c870 RBX: 00007fe2c9cf8240
RCX: 00007fe2ee2c4ad8
Oct 20 05:45:52 susetest kernel: RDX: 0000563ccb0fc380 RSI: 00007fe2c9cf50be
RDI: 0000000000000013
Oct 20 05:45:52 susetest kernel: RBP: 0000563ccb0fc380 R08: 0000563cc94232e0
R09: 0000000000000008
Oct 20 05:45:52 susetest kernel: R10: 000000000000000e R11: 0000000000000001
R12: 0000563cc7b3c870
Oct 20 05:45:52 susetest kernel: R13: 0000563ccb0fc380 R14: 00007ffe1510cbc8
R15: 0000563cc7b06f50
Oct 20 05:45:52 susetest kernel: kscreen_backend D    0 13343   1778 0x00000000
Oct 20 05:45:52 susetest kernel: Call Trace:
Oct 20 05:45:52 susetest kernel:  ? __schedule+0x29a/0x880
Oct 20 05:45:52 susetest kernel:  schedule+0x2f/0x90
Oct 20 05:45:52 susetest kernel:  io_schedule+0x12/0x40
Oct 20 05:45:52 susetest kernel:  __lock_page_or_retry+0x174/0x2e0
Oct 20 05:45:52 susetest kernel:  ? radix_tree_lookup_slot+0xe/0x20
Oct 20 05:45:52 susetest kernel:  ? page_cache_tree_insert+0xb0/0xb0
Oct 20 05:45:52 susetest kernel:  filemap_fault+0x14f/0x740
Oct 20 05:45:52 susetest kernel:  ? filemap_map_pages+0x1f6/0x390
Oct 20 05:45:52 susetest kernel:  __do_fault+0x20/0xe0
Oct 20 05:45:52 susetest kernel:  handle_pte_fault+0x921/0xfe0
Oct 20 05:45:52 susetest kernel:  __handle_mm_fault+0x3ed/0x540
Oct 20 05:45:52 susetest kernel:  handle_mm_fault+0xfd/0x240
Oct 20 05:45:52 susetest kernel:  __do_page_fault+0x211/0x4e0
Oct 20 05:45:52 susetest kernel:  ? async_page_fault+0x8/0x30
Oct 20 05:45:52 susetest kernel:  async_page_fault+0x1e/0x30
Oct 20 05:45:52 susetest kernel: RIP: 0033:0x7f8eddb40f10
Oct 20 05:45:52 susetest kernel: Code: Bad RIP value.
Oct 20 05:45:52 susetest kernel: RSP: 002b:00007ffdd1384db8 EFLAGS: 00010206
Oct 20 05:45:52 susetest kernel: RAX: 00007f8ed64dc890 RBX: 0000000000000000
RCX: 00007f8ed8df3ad8
Oct 20 05:45:52 susetest kernel: RDX: 00007f8ed0005d20 RSI: 00007f8ed64d6f84
RDI: 0000000000000013
Oct 20 05:45:52 susetest kernel: RBP: 000055dfaf5f5110 R08: 000055dfaf5f5280
R09: 0000000000000000
Oct 20 05:45:52 susetest kernel: R10: 0000000000000001 R11: 0000000000000000
R12: 00007f8ed0005d20
Oct 20 05:45:52 susetest kernel: R13: 00007f8ed0005d20 R14: 00007ffdd1384e28
R15: 000055dfaf5351c0
Oct 20 05:45:52 susetest kernel: org_kde_powerde D    0 13377  13284 0x00000000
Oct 20 05:45:52 susetest kernel: Call Trace:
Oct 20 05:45:52 susetest kernel:  ? __schedule+0x29a/0x880
Oct 20 05:45:52 susetest kernel:  schedule+0x2f/0x90
Oct 20 05:45:52 susetest kernel:  io_schedule+0x12/0x40
Oct 20 05:45:52 susetest kernel:  __lock_page_or_retry+0x174/0x2e0
Oct 20 05:45:52 susetest kernel:  ? radix_tree_lookup_slot+0xe/0x20
Oct 20 05:45:52 susetest kernel:  ? page_cache_tree_insert+0xb0/0xb0
Oct 20 05:45:52 susetest kernel:  filemap_fault+0x14f/0x740
Oct 20 05:45:52 susetest kernel:  ? filemap_map_pages+0x1f6/0x390
Oct 20 05:45:52 susetest kernel:  __do_fault+0x20/0xe0
Oct 20 05:45:52 susetest kernel:  handle_pte_fault+0x921/0xfe0
Oct 20 05:45:52 susetest kernel:  __handle_mm_fault+0x3ed/0x540
Oct 20 05:45:52 susetest kernel:  handle_mm_fault+0xfd/0x240
Oct 20 05:45:52 susetest kernel:  __do_page_fault+0x211/0x4e0
Oct 20 05:45:52 susetest kernel:  ? async_page_fault+0x8/0x30
Oct 20 05:45:52 susetest kernel:  async_page_fault+0x1e/0x30
Oct 20 05:45:52 susetest kernel: RIP: 0033:0x7f7fe5941f10
Oct 20 05:45:52 susetest kernel: Code: 85 ff 75 ef 31 c0 48 85 f6 0f 95 c0 f7
d8 c3 66 66 2e 0f 1f 84 00 00 00 00 00 48 8b 0f 48 63 79 04 48 85 f6 74 54 48
03 49 10 <0f> b6 16 4c 8d 04 39 49 39 c8 76 2f 84 d2 74 2f 0f b6 01 29 d0 75 
Oct 20 05:45:52 susetest kernel: RSP: 002b:00007ffe6c8ab7b8 EFLAGS: 00010206
Oct 20 05:45:52 susetest kernel: RAX: 000055f8a44389f0 RBX: 00007f7fdc2f8240
RCX: 00007f7fddddbad8
Oct 20 05:45:52 susetest kernel: RDX: 00007f7fd8006eb0 RSI: 00007f7fdc2f50be
RDI: 0000000000000013
Oct 20 05:45:52 susetest kernel: RBP: 00007f7fd8006eb0 R08: 000055f8a452dfb0
R09: 0000000000000002
Oct 20 05:45:52 susetest kernel: R10: 0000000000000005 R11: 0000000000000000
R12: 000055f8a44389f0
Oct 20 05:45:52 susetest kernel: R13: 00007f7fd8006eb0 R14: 00007ffe6c8ab828
R15: 000055f8a43fdbc0
```

https://openqa.opensuse.org/tests/778773/file/kate-psaxf.log reports ksmserver
as "S" for sleeping so – stuck?

## Reproducible

Fails since (at least) Build
[20181011](https://openqa.opensuse.org/tests/771663)

## Expected result

Last good: [20181009](https://openqa.opensuse.org/tests/770743) (or more
recent)

## Further details

Always latest result in this scenario:
[latest](https://openqa.opensuse.org/tests/latest?arch=x86_64&flavor=NET&test=zdup-13.2&distri=opensuse&machine=64bit&version=Tumbleweed)

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[Bug 1112641] New: [Build 20181018] openQA test fails in kate - ksmserver stuck or crashed, stack trace available

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