Fixes are available
Rational ClearCase Fix Pack 03 (8.0.0.3) for 8.0
Rational ClearCase Fix Pack 11 (8.0.0.11) for 8.0
Rational ClearCase Fix Pack 12 (8.0.0.12) for 8.0
Rational ClearCase Fix Pack 13 (8.0.0.13) for 8.0
Rational ClearCase Fix Pack 14 (8.0.0.14) for 8.0
Rational ClearCase Fix Pack 15 (8.0.0.15) for 8.0
Rational ClearCase Fix Pack 16 (8.0.0.16) for 8.0
Rational ClearCase Fix Pack 17 (8.0.0.17) for 8.0
Rational ClearCase Fix Pack 18 (8.0.0.18) for 8.0
Rational ClearCase Fix Pack 19 (8.0.0.19) for 8.0
Rational ClearCase Fix Pack 20 (8.0.0.20) for 8.0
Rational ClearCase Fix Pack 21 (8.0.0.21) for 8.0
APAR status
Closed as program error.
Error description
ClearCase MVFS on SuSE 11 SP1 panics on vnode_dop_revalidate through a view-extended path ClearCase 7.1.2.x SuSE 11 SP1 Backtrace from the panic: PID: 20469 TASK: ffff880bbf580540 CPU: 0 COMMAND: 'perl' #0 [ffff880bcca85940] machine_kexec at ffffffff81020832 #1 [ffff880bcca85990] crash_kexec at ffffffff810876c0 #2 [ffff880bcca85a60] oops_end at ffffffff8139b2f0 #3 [ffff880bcca85a80] __bad_area_nosemaphore at ffffffff8102ddc5 #4 [ffff880bcca85b40] page_fault at ffffffff8139a56f [exception RIP: kern_addr_valid+156] RIP: ffffffff8102c99c RSP: ffff880bcca85bf0 RFLAGS: 00010202 RAX: 00003f81eb8834b0 RBX: ffff880bcf296380 RCX: ffff880000000000 RDX: 00003f81eb883000 RSI: 00003ffffffff000 RDI: 00000000000004b0 RBP: 00000000000000c0 R8: ffff880bbf580b70 R9: 0000000000000000 R10: ffffffffa03db410 R11: ffff880bcca85df8 R12: ffff880c1ff20a40 R13: ffff880b6ae57e00 R14: ffff880bda280a78 R15: ffff880bda280a48 ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018 #5 [ffff880bcca85bf0] kmem_ptr_validate at ffffffff810eea8e #6 [ffff880bcca85c10] d_validate at ffffffff811120b7 #7 [ffff880bcca85c30] vnode_dop_revalidate at ffffffffa03b3b1e [mvfs] #8 [ffff880bcca85cc0] do_lookup at ffffffff81108eeb #9 [ffff880bcca85d00] __link_path_walk at ffffffff8110913f #10 [ffff880bcca85da0] path_walk at ffffffff8110a1ce #11 [ffff880bcca85dd0] do_path_lookup at ffffffff8110a39b #12 [ffff880bcca85df0] user_path_at at ffffffff8110b0b7 #13 [ffff880bcca85ec0] vfs_fstatat at ffffffff811017c7 #14 [ffff880bcca85ef0] sys32_stat64 at ffffffff8103513f #15 [ffff880bcca85f80] sysenter_dispatch at ffffffff81033b89 RIP: 00000000ffffe430 RSP: 00000000ffdec584 RFLAGS: 00000296 RAX: 00000000000000c3 RBX: ffffffff81033b89 RCX: 00000000f773a120 RDX: 00000000f7577ff4 RSI: 0000000008094b38 RDI: 0000000008050078 RBP: 00000000ffdec598 R8: 0000000000000000 R9: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 00000000080a9fa8 R13: 00000000ffdea1e8 R14: 0000000000000003 R15: 0000000000000000 ORIG_RAX: 00000000000000c3 CS: 0023 SS: 002b Workaround: None
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: * **************************************************************** * PROBLEM DESCRIPTION: * **************************************************************** * RECOMMENDATION: * **************************************************************** The customer reported system panics when doing lookups on files with view-extended pathnames.
Problem conclusion
Examination of the dumps provided indicated that the panics occurred in portions of the kernel not directly related to the mvfs. When the customer upgraded their OS to a later set of bug fixes, they stopped encountering the panics. This appears to have been a defect in SUSE Linux itself which has been fixed by Novell.
Temporary fix
Comments
APAR Information
APAR number
PM62520
Reported component name
CLEARCASE UNIX
Reported component ID
5724G2901
Reported release
712
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2012-04-16
Closed date
2012-06-27
Last modified date
2012-06-27
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Fix information
Fixed component name
CLEARCASE UNIX
Fixed component ID
5724G2901
Applicable component levels
R712 PSN
UP
Document Information
Modified date:
27 June 2012