[Bug 924387] Re: BUG: Bad page map in process smbd

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: samba (Ubuntu)
       Status: New => Confirmed

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Title:
  BUG: Bad page map in process smbd

Status in “samba” package in Ubuntu:
  Confirmed

Bug description:
  Jan 31 00:09:41 talli kernel: [ 8055.488107] BUG: Bad page map in process smbd  pte:18002006c pmd:36393b39
  Jan 31 00:09:41 talli kernel: [ 8055.488987] addr:00110416 vm_flags:04040075 anon_vma:  (null) mapping:  (null) index:110
  Jan 31 00:09:41 talli kernel: [ 8055.489878] vma->vm_ops->fault: special_mapping_fault+0x0/0x80
  Jan 31 00:09:41 talli kernel: [ 8055.490788] Pid: 5171, comm: smbd Not tainted 3.0.0-15-generic-pae #26-Ubuntu
  Jan 31 00:09:41 talli kernel: [ 8055.490793] Call Trace:
  Jan 31 00:09:41 talli kernel: [ 8055.490802]  [<c11051cc>] print_bad_pte+0x18c/0x200
  Jan 31 00:09:41 talli kernel: [ 8055.490809]  [<c1108c01>] handle_pte_fault+0x2b1/0x2c0
  Jan 31 00:09:41 talli kernel: [ 8055.490815]  [<c1108dfe>] handle_mm_fault+0x15e/0x2c0
  Jan 31 00:09:41 talli kernel: [ 8055.490823]  [<c155fffb>] do_page_fault+0x15b/0x4a0
  Jan 31 00:09:41 talli kernel: [ 8055.490833]  [<c1294d70>] ? copy_to_user+0x40/0x60
  Jan 31 00:09:41 talli kernel: [ 8055.490840]  [<c1145a65>] ? sys_select+0x95/0xb0
  Jan 31 00:09:41 talli kernel: [ 8055.490849]  [<c155fea0>] ? vmalloc_fault+0x190/0x190
  Jan 31 00:09:41 talli kernel: [ 8055.490854]  [<c155d33f>] error_code+0x67/0x6c
  Jan 31 00:09:41 talli kernel: [ 8055.490859] Disabling lock debugging due to kernel taint
  Jan 31 00:09:41 talli kernel: [ 8055.490915] BUG: Bad page map in process smbd  pte:18002006c pmd:36393b39
  Jan 31 00:09:41 talli kernel: [ 8055.491905] addr:00110414 vm_flags:04040075 anon_vma:  (null) mapping:  (null) index:110
  Jan 31 00:09:41 talli kernel: [ 8055.492990] vma->vm_ops->fault: special_mapping_fault+0x0/0x80
  Jan 31 00:09:41 talli kernel: [ 8055.494106] Pid: 5171, comm: smbd Tainted: G    B       3.0.0-15-generic-pae #26-Ubuntu
  Jan 31 00:09:41 talli kernel: [ 8055.494110] Call Trace:
  Jan 31 00:09:41 talli kernel: [ 8055.494116]  [<c11051cc>] print_bad_pte+0x18c/0x200
  Jan 31 00:09:41 talli kernel: [ 8055.494122]  [<c1108c01>] handle_pte_fault+0x2b1/0x2c0
  Jan 31 00:09:41 talli kernel: [ 8055.494128]  [<c1108dfe>] handle_mm_fault+0x15e/0x2c0
  Jan 31 00:09:41 talli kernel: [ 8055.494134]  [<c155fffb>] do_page_fault+0x15b/0x4a0
  Jan 31 00:09:41 talli kernel: [ 8055.494141]  [<c155fea0>] ? vmalloc_fault+0x190/0x190
  Jan 31 00:09:41 talli kernel: [ 8055.494147]  [<c155d33f>] error_code+0x67/0x6c
  Jan 31 00:09:41 talli kernel: [ 8055.507312] BUG: Bad page map in process smbd  pte:18002006c pmd:36393b39
  Jan 31 00:09:41 talli kernel: [ 8055.508770] addr:00110000 vm_flags:04040075 anon_vma:  (null) mapping:  (null) index:110
  Jan 31 00:09:41 talli kernel: [ 8055.510192] vma->vm_ops->fault: special_mapping_fault+0x0/0x80
  Jan 31 00:09:41 talli kernel: [ 8055.511662] Pid: 5171, comm: smbd Tainted: G    B       3.0.0-15-generic-pae #26-Ubuntu
  Jan 31 00:09:41 talli kernel: [ 8055.511666] Call Trace:
  Jan 31 00:09:41 talli kernel: [ 8055.511677]  [<c11051cc>] print_bad_pte+0x18c/0x200
  Jan 31 00:09:41 talli kernel: [ 8055.511683]  [<c1108c01>] handle_pte_fault+0x2b1/0x2c0
  Jan 31 00:09:41 talli kernel: [ 8055.511689]  [<c1108dfe>] handle_mm_fault+0x15e/0x2c0
  Jan 31 00:09:41 talli kernel: [ 8055.511695]  [<c1109149>] __get_user_pages+0x139/0x500
  Jan 31 00:09:41 talli kernel: [ 8055.511707]  [<c154d81e>] ? alignfile+0x4e/0x97
  Jan 31 00:09:41 talli kernel: [ 8055.511713]  [<c1109557>] get_dump_page+0x47/0x60
  Jan 31 00:09:41 talli kernel: [ 8055.511721]  [<c1174ef0>] elf_core_dump+0x560/0x6d0
  Jan 31 00:09:41 talli kernel: [ 8055.511730]  [<c113b47a>] do_coredump+0x1aa/0x420
  Jan 31 00:09:41 talli kernel: [ 8055.511740]  [<c10639cb>] get_signal_to_deliver+0x20b/0x3c0
  Jan 31 00:09:41 talli kernel: [ 8055.511750]  [<c155fea0>] ? vmalloc_fault+0x190/0x190
  Jan 31 00:09:41 talli kernel: [ 8055.511757]  [<c1009d21>] do_signal+0x61/0x110
  Jan 31 00:09:41 talli kernel: [ 8055.511763]  [<c11051d6>] ? print_bad_pte+0x196/0x200
  Jan 31 00:09:41 talli kernel: [ 8055.511769]  [<c155a851>] ? __schedule+0x2f1/0x620
  Jan 31 00:09:41 talli kernel: [ 8055.511774]  [<c15602c7>] ? do_page_fault+0x427/0x4a0
  Jan 31 00:09:41 talli kernel: [ 8055.511781]  [<c1009ff5>] do_notify_resume+0x75/0x90
  Jan 31 00:09:41 talli kernel: [ 8055.511787]  [<c155cd20>] work_notifysig+0x13/0x1b

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: samba 2:3.5.11~dfsg-1ubuntu2.1
  ProcVersionSignature: Ubuntu 3.0.0-15.26-generic-pae 3.0.13
  Uname: Linux 3.0.0-15-generic-pae i686
  ApportVersion: 1.23-0ubuntu4
  Architecture: i386
  Date: Tue Jan 31 18:53:29 2012
  InstallationMedia: Ubuntu-Server 11.10 "Oneiric Ocelot" - Release i386 (20111011)
  NmbdLog:
   
  OtherFailedConnect: Yes
  ProcEnviron:
   LANGUAGE=en_US:en
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SambaServerRegression: Yes
  SmbConfIncluded: Yes
  SourcePackage: samba
  UpgradeStatus: No upgrade log present (probably fresh install)

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