Bug 773287

Summary: [abrt] kernel: WARNING: at block/genhd.c:1466 __disk_unblock_events+0xfd/0x110()
Product: [Fedora] Fedora Reporter: Sergey Arsenyev <arseniev>
Component: kernelAssignee: Kernel Maintainer List <kernel-maint>
Status: CLOSED CURRENTRELEASE QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: rawhideCC: gansalmon, itamar, jonathan, kernel-maint, madhu.chinakonda, sgruszka
Target Milestone: ---   
Target Release: ---   
Hardware: x86_64   
OS: Unspecified   
Whiteboard: abrt_hash:26cfc7c5dbca4cd6a685275efcaf9feb7352b9a0
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2012-04-04 11:36:44 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Attachments:
Description Flags
File: smolt_data none

Description Sergey Arsenyev 2012-01-11 12:43:59 UTC 
libreport version: 2.0.8
abrt_version:   2.0.7
cmdline:        BOOT_IMAGE=/vmlinuz-3.2.0-2.fc17.x86_64 root=UUID=7e805731-79a3-44f4-a8a9-eb9f0d2abda4 ro LANG=ru_RU.UTF-8 rd.md=0 rd.lvm=0 rd.dm=0 quiet rhgb rd.luks=0 KEYTABLE=ru
kernel:         3.2.0-2.fc17.x86_64
reason:         WARNING: at block/genhd.c:1466 __disk_unblock_events+0xfd/0x110()
time:           Ср. 11 янв. 2012 16:41:56

smolt_data:     Binary file, 3435 bytes

backtrace:
:WARNING: at block/genhd.c:1466 __disk_unblock_events+0xfd/0x110()
:Hardware name: PDSM4+
:Modules linked in: ppdev parport_pc lp parport fuse ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 nf_conntrack_netbios_ns nf_conntrack_broadcast ip6table_filter nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack ip6_tables microcode iTCO_wdt iTCO_vendor_support i2c_i801 e1000e shpchp i3000_edac edac_core nfsd lockd nfs_acl auth_rpcgss sunrpc uinput aacraid aic79xx scsi_transport_spi radeon ttm drm_kms_helper drm i2c_algo_bit i2c_core [last unloaded: scsi_wait_scan]
:Pid: 2005, comm: java Not tainted 3.2.0-2.fc17.x86_64 #1
:Call Trace:
: [<ffffffff8106de2f>] warn_slowpath_common+0x7f/0xc0
: [<ffffffff8106de8a>] warn_slowpath_null+0x1a/0x20
: [<ffffffff812a521d>] __disk_unblock_events+0xfd/0x110
: [<ffffffff812a67ea>] disk_unblock_events+0x1a/0x20
: [<ffffffff811ae6ac>] __blkdev_get+0x1cc/0x430
: [<ffffffff811aeaa5>] blkdev_get+0x195/0x2e0
: [<ffffffff811adede>] ? bdget+0x3e/0x140
: [<ffffffff811aec4f>] blkdev_open+0x5f/0x90
: [<ffffffff81176760>] __dentry_open+0x240/0x320
: [<ffffffff811aebf0>] ? blkdev_get+0x2e0/0x2e0
: [<ffffffff81177881>] nameidata_to_filp+0x71/0x80
: [<ffffffff811874d8>] do_last+0x468/0x900
: [<ffffffff81187a7e>] path_openat+0xce/0x3e0
: [<ffffffff812b7367>] ? kobject_put+0x27/0x60
: [<ffffffff81187eb1>] do_filp_open+0x41/0xa0
: [<ffffffff81193c9d>] ? alloc_fd+0x4d/0x140
: [<ffffffff8117797c>] do_sys_open+0xec/0x1c0
: [<ffffffff810cda4c>] ? audit_syscall_entry+0x2ec/0x310
: [<ffffffff81177a70>] sys_open+0x20/0x30
: [<ffffffff815ed2c2>] system_call_fastpath+0x16/0x1b
Comment 1 Sergey Arsenyev 2012-01-11 12:44:03 UTC 
Created attachment 552101 [details]
File: smolt_data
Comment 2 Stanislaw Gruszka 2012-04-04 11:36:44 UTC 
This should be fixed by:

commit 9f53d2fe815b4011ff930a7b6db98385d45faa68
Author: Stanislaw Gruszka <sgruszka>
Date:   Fri Mar 2 10:43:28 2012 +0100

    block: fix __blkdev_get and add_disk race condition