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Date:      Thu, 2 Sep 2004 08:56:33 +0300 (EEST)
From:      Vaidas Damosevicius <vd@vmunix.lt>
To:        freebsd-current@freebsd.org
Subject:   [BETA2] lock order reversal
Message-ID:  <20040902055633.4081A3D11C@mail.if.lt>

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...,

  lock order reversal
  1st 0xc1a756e8 re0 (network driver) @ /usr/src/sys/dev/re/if_re.c:830
  2nd 0xc0a18060 ACPI root bus (ACPI root bus) @ /usr/src/sys/modules/acpi/acpi/../../../dev/acpica/acpi.c:841
  KDB: stack backtrace:
  kdb_backtrace(0,ffffffff,c08bd990,c08bdf58,c084d9cc) at kdb_backtrace+0x29
  witness_checkorder(c0a18060,9,c0a124e8,349) at witness_checkorder+0x544
  _sx_xlock(c0a18060,c0a124e8,349,c08be868,7) at _sx_xlock+0x50
  acpi_release_resource(c19ec600,c1a99700,4,10,c1adc180) at acpi_release_resource+0x23
  bus_generic_release_resource(c19ec300,c1a99700,4,10,c1adc180) at bus_generic_release_resource+0x64
  resource_list_release(c1a99784,c1a98a00,c1a99700,4,10) at resource_list_release+0x6e
  bus_generic_rl_release_resource(c1a98a00,c1a99700,4,10,c1adc180) at bus_generic_rl_release_resource+0x5e
  bus_generic_release_resource(c1a99280,c1a99700,4,10,c1adc180) at bus_generic_release_resource+0x64
  resource_list_release(c1a99784,c1a99900,c1a99700,4,10) at resource_list_release+0xfb
  bus_generic_rl_release_resource(c1a99900,c1a99700,4,10,c1adc180) at bus_generic_rl_release_resource+0x5e
  bus_release_resource(c1a99700,4,10,c1adc180,c1a99700) at bus_release_resource+0x61
  re_probe(c1a99700) at re_probe+0x1b5
  device_probe_child(c1a99900,c1a99700,c19ba520,c1a99700,c1a99900) at device_probe_child+0xc4
  device_probe_and_attach(c1a99700) at device_probe_and_attach+0x51
  bus_generic_attach(c1a99900,6,c19ba520,1,c0a00c80) at bus_generic_attach+0x16
  acpi_pci_attach(c1a99900) at acpi_pci_attach+0xec
  device_attach(c1a99900,2e696370,c1a99900,c1a99280,0) at device_attach+0x58
  device_probe_and_attach(c1a99900) at device_probe_and_attach+0xb4
  bus_generic_attach(c1a99280,c1a99280,c1ad90b0,2,c0a008c5) at bus_generic_attach+0x16
  acpi_pcib_attach(c1a99280,c1ad90b0,2,c1a99280,c19ba520) at acpi_pcib_attach+0x14e
  acpi_pcib_pci_attach(c1a99280) at acpi_pcib_pci_attach+0x88
  device_attach(c1a99280,c1a99200,c1a99280,c1a98a00,c1a98a00) at device_attach+0x58
  device_probe_and_attach(c1a99280) at device_probe_and_attach+0xb4
  bus_generic_attach(c1a98a00,6,c19ba680,1,c0a00c80) at bus_generic_attach+0x16
  acpi_pci_attach(c1a98a00) at acpi_pci_attach+0xec
  device_attach(c1a98a00,2e696370,c1a98a00,c19ec300,0) at device_attach+0x58
  device_probe_and_attach(c1a98a00) at device_probe_and_attach+0xb4
  bus_generic_attach(c19ec300,c19ec300,c1a9a054,0,0) at bus_generic_attach+0x16
  acpi_pcib_attach(c19ec300,c1a9a054,0,c0c21c5c,c0616da4) at acpi_pcib_attach+0x14e
  acpi_pcib_acpi_attach(c19ec300) at acpi_pcib_acpi_attach+0x20a
  device_attach(c19ec300,c1994a80,c19ec300,c19ec600,0) at device_attach+0x58
  device_probe_and_attach(c19ec300) at device_probe_and_attach+0xb4
  bus_generic_attach(c19ec600,c19ec600,c1976120,1,c19ec580) at bus_generic_attach+0x16
  acpi_probe_children(c19ec600,1b250,c19ec600,c19ec600,0) at acpi_probe_children+0x63
  acpi_attach(c19ec600) at acpi_attach+0x523
  device_attach(c19ec600,c0a16620,c19ec600,c19ec780,0) at device_attach+0x58
  device_probe_and_attach(c19ec600) at device_probe_and_attach+0xb4
  bus_generic_attach(c19ec780,c19ec780,c19ec780,c0c21d44,c061318c) at bus_generic_attach+0x16
  nexus_attach(c19ec780) at nexus_attach+0x13
  device_attach(c19ec780,c0885d50,c19ec780,c0885d50,c29000) at device_attach+0x58
  device_probe_and_attach(c19ec780) at device_probe_and_attach+0xb4
  root_bus_configure(c197e780,c080ef08,0) at root_bus_configure+0x16
  configure(0,c1ec00,c1e000,0,c043f3d5) at configure+0x1b
  mi_startup() at mi_startup+0x96
  begin() at begin+0x2c



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