citrix_ica - "wfica" generates deadlock in linux_sys_futex...

[Nils Beyer]

Hi,

using 10.3-RC1 (r296451M) "wfica" from citrix_ica generates a deadlock in
linux_sys_futex:
==============================================================================
#tail -50 ktrace.wfica.log
  1657 100732 wfica    RET   linux_mprotect  0
  1657 100732 wfica    CALL  linux_access(0x28ce9338,0)
  1657 100732 wfica    NAMI  "/compat/linux/etc/sysconfig/32bit_ssse3_memcpy_via_32bit_ssse3_memmove"
  1657 100732 wfica    NAMI  "/etc/sysconfig/32bit_ssse3_memcpy_via_32bit_ssse3_memmove"
  1657 100732 wfica    RET   linux_access  -1 errno 2 No such file or directory
  1657 100732 wfica    CALL  linux_access(0x28ce9338,0)
  1657 100732 wfica    NAMI  "/compat/linux/etc/sysconfig/32bit_ssse3_memcpy_via_32bit_ssse3_memmove"
  1657 100732 wfica    NAMI  "/etc/sysconfig/32bit_ssse3_memcpy_via_32bit_ssse3_memmove"
  1657 100732 wfica    RET   linux_access  -1 errno 2 No such file or directory
  1657 100732 wfica    CALL  linux_access(0x28ce9338,0)
  1657 100732 wfica    NAMI  "/compat/linux/etc/sysconfig/32bit_ssse3_memcpy_via_32bit_ssse3_memmove"
  1657 100732 wfica    NAMI  "/etc/sysconfig/32bit_ssse3_memcpy_via_32bit_ssse3_memmove"
  1657 100732 wfica    RET   linux_access  -1 errno 2 No such file or directory
  1657 100732 wfica    CALL  linux_access(0x28ce9338,0)
  1657 100732 wfica    NAMI  "/compat/linux/etc/sysconfig/32bit_ssse3_memcpy_via_32bit_ssse3_memmove"
  1657 100732 wfica    NAMI  "/etc/sysconfig/32bit_ssse3_memcpy_via_32bit_ssse3_memmove"
  1657 100732 wfica    RET   linux_access  -1 errno 2 No such file or directory
  1657 100732 wfica    CALL  linux_access(0x28ce9338,0)
  1657 100732 wfica    NAMI  "/compat/linux/etc/sysconfig/32bit_ssse3_memcpy_via_32bit_ssse3_memmove"
  1657 100732 wfica    NAMI  "/etc/sysconfig/32bit_ssse3_memcpy_via_32bit_ssse3_memmove"
  1657 100732 wfica    RET   linux_access  -1 errno 2 No such file or directory
  1657 100732 wfica    CALL  linux_access(0x28ce9338,0)
  1657 100732 wfica    NAMI  "/compat/linux/etc/sysconfig/32bit_ssse3_memcpy_via_32bit_ssse3_memmove"
  1657 100732 wfica    NAMI  "/etc/sysconfig/32bit_ssse3_memcpy_via_32bit_ssse3_memmove"
  1657 100732 wfica    RET   linux_access  -1 errno 2 No such file or directory
  1657 100732 wfica    CALL  linux_access(0x28ce9338,0)
  1657 100732 wfica    NAMI  "/compat/linux/etc/sysconfig/32bit_ssse3_memcpy_via_32bit_ssse3_memmove"
  1657 100732 wfica    NAMI  "/etc/sysconfig/32bit_ssse3_memcpy_via_32bit_ssse3_memmove"
  1657 100732 wfica    RET   linux_access  -1 errno 2 No such file or directory
  1657 100732 wfica    CALL  linux_mprotect(0x2dc87000,0x40000,0x5)
  1657 100732 wfica    RET   linux_mprotect  0
  1657 100732 wfica    CALL  linux_sys_futex(0x2d70f85c,0x81,0x7fffffff,0,0x2d70cbe8,0x2d4cb558)
  1657 100732 wfica    RET   linux_sys_futex  0
  1657 100732 wfica    CALL  linux_ipc(0x2,0x1e240,0x1,0x7b6,0,0x2d4cb598)
  1657 100732 wfica    RET   linux_ipc  -1 errno 17 File exists
  1657 100732 wfica    CALL  linux_ipc(0x2,0x1e240,0x1,0x1b6,0,0x2d4cb598)
  1657 100732 wfica    RET   linux_ipc  65536/0x10000
  1657 100732 wfica    CALL  linux_open(0x2d4cc968,0x8000,0)
  1657 100732 wfica    NAMI  "/compat/linux/home/nbe/HDXFlash.ini"
  1657 100732 wfica    NAMI  "/home/nbe/HDXFlash.ini"
  1657 100732 wfica    RET   linux_open  -1 errno 2 No such file or directory
  1657 100732 wfica    CALL  linux_time(0)
  1657 100732 wfica    RET   linux_time  1457421694/0x56de7d7e
  1657 100732 wfica    CALL  linux_mkdir(0x2dcc9ca0,0x1ff)
  1657 100732 wfica    NAMI  "/compat/linux/home/nbe/.ICAClient/CtxFlashCache"
  1657 100732 wfica    NAMI  "/home/nbe/.ICAClient/CtxFlashCache/"
  1657 100732 wfica    RET   linux_mkdir  -1 errno 17 File exists
  1657 100732 wfica    CALL  linux_ipc(0x1,0x10000,0x1,0,0x2dcc8204,0x2d4ce168)
  1657 100731 wfica    RET   poll  1
  1657 100731 wfica    CALL  linux_sys_futex(0x8253a70,0x80,0x2,0,0,0xffffc3d8)
==============================================================================

Downgrading the kernel to 10.2-RELEASE makes it working again.

Any ideas how to fix that apart from downgrading?



Thanks in advance and reagards,
Nils