Description of problem: While trying to reserve ibm-x3200m2-01.rhts.boston.redhat.com using RHEL5.2-Server-20080117.1/2.6.18-70.el5 The system never boots . It gets stuck in a loop: BUG: soft lockup - CPU#1 stuck for 10s! [hald-probe-stor:2657] Version-Release number of selected component (if applicable): 2.6.18-70.el5 How reproducible: Always Steps to Reproduce: 1. Install RHEL5-Server-U1 or RHEL5.2-Server-20080117.1 2. Install 2.6.18-70.el5 kernel 3. Reboot Actual results: BUG: soft lockup - CPU#1 stuck for 10s! [hald-probe-stor:2657] Pid: 2657, comm: hald-probe-stor EIP: 0060:[<c0561c38>] CPU: 1 EIP is at ide_do_request+0x2c4/0x6be EFLAGS: 00000246 Not tainted (2.6.18-70.el5 #1) EAX: da33a800 EBX: c07cbd14 ECX: 00000001 EDX: 00002988 ESI: c07cbd14 EDI: c07cbd14 EBP: da33a888 DS: 007b ES: 007b CR0: 8005003b CR2: 0804a5d0 CR3: 1a8b0000 CR4: 000006d0 [<c04d5552>] elv_queue_empty+0x1d/0x1e [<c05619f8>] ide_do_request+0x84/0x6be [<c042dcf0>] lock_timer_base+0x15/0x2f [<c042e1ab>] del_timer+0x41/0x47 [<c04d5cbb>] elv_insert+0xc8/0x1ad [<c04d8262>] blk_execute_rq_nowait+0x6d/0x84 [<c04d82f7>] blk_execute_rq+0x7e/0x9f [<c04d79a0>] blk_end_sync_rq+0x0/0x1d [<c04db638>] sg_io+0x253/0x338 [<c04dbb59>] scsi_cmd_ioctl+0x1ab/0x356 [<c04d79a0>] blk_end_sync_rq+0x0/0x1d [<e0979628>] ide_cdrom_check_media_change_real+0x1a/0x34 [ide_cd] [<e095b06e>] media_changed+0x40/0x6e [cdrom] [<c0476bdd>] check_disk_change+0x13/0x57 [<e095f030>] cdrom_open+0x870/0x8b3 [cdrom] [<e095dcc1>] cdrom_ioctl+0x22/0xb21 [cdrom] [<c04be2e3>] avc_node_delete+0x23/0x2c [<c04be47a>] avc_alloc_node+0xf9/0x150 [<c04be652>] avc_has_perm_noaudit+0x181/0x322 [<c04be6b8>] avc_has_perm_noaudit+0x1e7/0x322 [<e0979f46>] idecd_ioctl+0x12f/0x144 [ide_cd] [<c04bf37a>] avc_has_perm+0x3a/0x44 [<c04d9ebb>] blkdev_driver_ioctl+0x4b/0x5b [<c04da4e6>] blkdev_ioctl+0x61b/0x669 [<c04e25d2>] kobject_get+0xf/0x13 [<c04bf37a>] avc_has_perm+0x3a/0x44 [<c04bf971>] inode_has_perm+0x54/0x5c [<c04579ad>] filemap_nopage+0x192/0x315 [<c046069c>] __handle_mm_fault+0x353/0x87b [<c04bf9f8>] file_has_perm+0x7f/0x88 [<c0476b68>] block_ioctl+0x13/0x16 [<c0476b55>] block_ioctl+0x0/0x16 [<c047fbb0>] do_ioctl+0x1c/0x5d [<c047fe3b>] vfs_ioctl+0x24a/0x25c [<c047fe95>] sys_ioctl+0x48/0x5f [<c0404eff>] syscall_call+0x7/0xb ======================= Expected results: System should boot normally Additional info: This looks to be machine specific. ibm-x3200m2-01.rhts.boston.redhat.com
saw a similar message during the basic_sanity/boot_rhel5_kernels test with the -72 vanilla x86_64 kernel on http://rhts.lab.boston.redhat.com/cgi-bin/rhts/test_log.cgi?id=1726171 system was hp-xw9400-01.rhts.boston.redhat.com
Here is another softlockup.. this time found while running the LSPP test in RHTS. http://rhts.lab.boston.redhat.com/cgi-bin/rhts/test_log.cgi?id=1731198 system in use was hp-xw9400-02.rhts.boston.redhat.com
tested the patch from peterm and it solves the issue *** This bug has been marked as a duplicate of 428945 ***