| Summary: |
[abrt] [ INFO: possible recursive locking detected ] |
| Product: |
[Fedora] Fedora
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Reporter: |
iliketurtlesbro |
| Component: |
kernel | Assignee: |
Kernel Maintainer List <kernel-maint> |
| Status: |
CLOSED
EOL
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QA Contact: |
Fedora Extras Quality Assurance <extras-qa> |
| Severity: |
unspecified
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Docs Contact: |
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| Priority: |
unspecified
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| Version: |
rawhide | CC: |
bugzilla, fedora-kernel-btrfs, gansalmon, ichavero, itamar, jonathan, kernel-maint, labbott, madhu.chinakonda, mchehab
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| Target Milestone: |
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| Target Release: |
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| Hardware: |
x86_64 | |
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| OS: |
Unspecified | |
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| URL: |
https://retrace.fedoraproject.org/faf/reports/bthash/3bc378d63cc782dc9b836eb2ae40b95b5bee1d59
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| Whiteboard: |
abrt_hash:15f09be2ede24406284ff71bafababcbd1525870; |
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Fixed In Version:
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Doc Type:
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If docs needed, set a value
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Doc Text:
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Story Points:
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Clone Of:
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Environment:
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Last Closed:
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2018-04-06 18:20:06 UTC
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Type:
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---
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Regression:
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Mount Type:
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Documentation:
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CRM:
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Verified Versions:
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Category:
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---
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oVirt Team:
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RHEL 7.3 requirements from Atomic Host:
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Cloudforms Team:
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Target Upstream Version:
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Embargoed:
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| Attachments: |
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Additional info: reporter: libreport-2.7.2 [ INFO: possible recursive locking detected ] 4.8.0-0.rc1.git3.1.fc26.x86_64 #1 Not tainted --------------------------------------------- kwriteconfig5/1219 is trying to acquire lock: (&ei->log_mutex){+.+...}, at: [<ffffffffc05c0e12>] btrfs_log_inode+0x162/0x10f0 [btrfs] but task is already holding lock: (&ei->log_mutex){+.+...}, at: [<ffffffffc05c0e12>] btrfs_log_inode+0x162/0x10f0 [btrfs] other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&ei->log_mutex); lock(&ei->log_mutex); *** DEADLOCK *** May be due to missing lock nesting notation 6 locks held by kwriteconfig5/1219: #0: (sb_writers#8){.+.+.+}, at: [<ffffffff892a6cf4>] __sb_start_write+0xb4/0xf0 #1: (&type->i_mutex_dir_key#3/1){+.+.+.}, at: [<ffffffff892af66a>] lock_rename+0xda/0x100 #2: (&sb->s_type->i_mutex_key#13){+.+.+.}, at: [<ffffffff892c3dde>] lock_two_nondirectories+0x3e/0x70 #3: (&sb->s_type->i_mutex_key#13/4){+.+...}, at: [<ffffffff892c3e06>] lock_two_nondirectories+0x66/0x70 #4: (sb_internal){.+.+.+}, at: [<ffffffff892a6cb8>] __sb_start_write+0x78/0xf0 #5: (&ei->log_mutex){+.+...}, at: [<ffffffffc05c0e12>] btrfs_log_inode+0x162/0x10f0 [btrfs] stack backtrace: CPU: 2 PID: 1219 Comm: kwriteconfig5 Not tainted 4.8.0-0.rc1.git3.1.fc26.x86_64 #1 Hardware name: System manufacturer System Product Name/P8Z77-V, BIOS 2104 08/13/2013 0000000000000086 000000009d76b8c0 ffff9ae739def7a0 ffffffff89467a83 ffffffff8ac03f70 ffff9ae739cc0000 ffff9ae739def868 ffffffff8910f22e 0000000039cc0df8 ffffffff00000006 00000000eb2a7c25 ffffffff8a503100 Call Trace: [<ffffffff89467a83>] dump_stack+0x86/0xc3 [<ffffffff8910f22e>] __lock_acquire+0x78e/0x1290 [<ffffffff89037f19>] ? sched_clock+0x9/0x10 [<ffffffff890ea6c7>] ? sched_clock_cpu+0xa7/0xc0 [<ffffffff898f658e>] ? mutex_unlock+0xe/0x10 [<ffffffff89110196>] lock_acquire+0xf6/0x1f0 [<ffffffffc05c0e12>] ? btrfs_log_inode+0x162/0x10f0 [btrfs] [<ffffffff898f5916>] mutex_lock_nested+0x86/0x3f0 [<ffffffffc05c0e12>] ? btrfs_log_inode+0x162/0x10f0 [btrfs] [<ffffffff898f658e>] ? mutex_unlock+0xe/0x10 [<ffffffffc05c0e12>] ? btrfs_log_inode+0x162/0x10f0 [btrfs] [<ffffffffc05c0e12>] btrfs_log_inode+0x162/0x10f0 [btrfs] [<ffffffff890deb69>] ? __might_sleep+0x49/0x80 [<ffffffffc05c193c>] btrfs_log_inode+0xc8c/0x10f0 [btrfs] [<ffffffff89037f19>] ? sched_clock+0x9/0x10 [<ffffffffc05c2070>] btrfs_log_inode_parent+0x240/0x940 [btrfs] [<ffffffff898f9257>] ? _raw_spin_unlock+0x27/0x40 [<ffffffffc057cdba>] ? btrfs_update_inode+0xda/0x110 [btrfs] [<ffffffffc05c3cf1>] btrfs_log_new_name+0x71/0x90 [btrfs] [<ffffffffc0586cd0>] btrfs_rename2+0x1090/0x17a0 [btrfs] [<ffffffff8912deed>] ? debug_lockdep_rcu_enabled+0x1d/0x20 [<ffffffff892c3e06>] ? lock_two_nondirectories+0x66/0x70 [<ffffffff892b12a2>] vfs_rename+0x5c2/0x970 [<ffffffff892af500>] ? __lookup_hash+0x10/0xa0 [<ffffffff892b7e27>] SyS_rename+0x3a7/0x3d0 [<ffffffff898f9bbc>] entry_SYSCALL_64_fastpath+0x1f/0xbd