Description of problem: Various systems hard crashing on this kernel, problem persisted on 2.6.9-34.0.2 -- output from logs: Sep 1 16:44:07 northcarolina kernel: ------------[ cut here ]------------ Sep 1 16:44:07 northcarolina kernel: kernel BUG at fs/dquot.c:422! Sep 1 16:44:07 northcarolina kernel: invalid operand: 0000 [#1] Sep 1 16:44:07 northcarolina kernel: SMP Sep 1 16:44:07 northcarolina kernel: Modules linked in: nfs lockd nfs_acl md5 ipv6 ipt_TOS iptable_mangle ip_conntrack_ftp ip_conntrack_irc ipt_REJECT ipt_LOG ipt_limit iptable_filter ipt_multiport ipt_state ip_conntrack ip_tables autofs4 sunrpc dm_mirror dm_mod button battery ac uhci_hcd ehci_hcd e1000 floppy sg ext3 jbd megaraid_mbox megaraid_mm sd_mod scsi_mod Sep 1 16:44:07 northcarolina kernel: CPU: 0 Sep 1 16:44:07 northcarolina kernel: EIP: 0060:[<c01823db>] Not tainted VLI Sep 1 16:44:07 northcarolina kernel: EFLAGS: 00010202 (2.6.9-42.0.2.ELsmp) Sep 1 16:44:07 northcarolina kernel: EIP is at invalidate_dquots+0x3d/0xc3 Sep 1 16:44:07 northcarolina kernel: eax: 00000001 ebx: c2f30d40 ecx: d4c2c200 edx: 00000000 Sep 1 16:44:07 northcarolina kernel: esi: d1448298 edi: 00000000 ebp: f7f28c00 esp: c6482eec Sep 1 16:44:07 northcarolina kernel: ds: 007b es: 007b ss: 0068 Sep 1 16:44:07 northcarolina kernel: Process quotaoff (pid: 8265, threadinfo=c6482000 task=e044a3b0) Sep 1 16:44:07 northcarolina kernel: Stack: f7f28cac f7f28cac f7f28c00 00000000 c0183b80 00000000 00000000 f7f28c00 Sep 1 16:44:07 northcarolina kernel: 00000000 00800003 c0185d1e 00000000 c0166267 80000300 e6b49880 c6482000 Sep 1 16:44:07 northcarolina kernel: f703bc2c fffffff4 c016f070 c6482f50 fffffff4 00000000 c0166484 f7f51880 Sep 1 16:44:07 northcarolina kernel: Call Trace: Sep 1 16:44:07 northcarolina kernel: [<c0183b80>] vfs_quota_off+0x92/0x115 Sep 1 16:44:07 northcarolina kernel: [<c0185d1e>] do_quotactl+0x10d/0x4aa Sep 1 16:44:07 northcarolina kernel: [<c0166267>] getname+0x5b/0xb2 Sep 1 16:44:07 northcarolina kernel: [<c016f070>] dput+0x34/0x1a7 Sep 1 16:44:07 northcarolina kernel: [<c0166484>] path_release+0xa/0x2d Sep 1 16:44:07 northcarolina kernel: [<c016215b>] lookup_bdev+0x66/0x74 Version-Release number of selected component (if applicable): 2.6.9-42.0.2.ELsmp Additional info: Unable to reproduce, has affected 4 servers to date running the same kernel versions.
committed in stream U5 build 42.22. A test kernel with this patch is available from http://people.redhat.com/~jbaron/rhel4/
*** This bug has been marked as a duplicate of 209639 ***
Pulling in acks from 209639.