| Summary: | arch/x86/kernel/cpu/mcheck/mce.c:194 suspicious rcu_dereference_index_check() usage! | ||||||
|---|---|---|---|---|---|---|---|
| Product: | [Fedora] Fedora | Reporter: | Jóhann B. Guðmundsson <johannbg> | ||||
| Component: | kernel | Assignee: | Kernel Maintainer List <kernel-maint> | ||||
| Status: | CLOSED DUPLICATE | QA Contact: | Fedora Extras Quality Assurance <extras-qa> | ||||
| Severity: | unspecified | Docs Contact: | |||||
| Priority: | unspecified | ||||||
| Version: | 17 | CC: | gansalmon, itamar, jonathan, kernel-maint, madhu.chinakonda | ||||
| Target Milestone: | --- | ||||||
| Target Release: | --- | ||||||
| Hardware: | Unspecified | ||||||
| OS: | Unspecified | ||||||
| Whiteboard: | |||||||
| Fixed In Version: | Doc Type: | Bug Fix | |||||
| Doc Text: | Story Points: | --- | |||||
| Clone Of: | Environment: | ||||||
| Last Closed: | 2012-02-18 18:11:19 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: |
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*** This bug has been marked as a duplicate of bug 789644 *** |
Created attachment 564063 [details] Dmesg output Description of problem: [ 24.675576] MCE: In-kernel MCE decoding enabled. [ 24.675689] [ 24.675799] =============================== [ 24.675842] [ INFO: suspicious RCU usage. ] [ 24.675886] 3.3.0-0.rc3.git5.1.fc17.x86_64 #1 Not tainted [ 24.675930] ------------------------------- [ 24.675974] arch/x86/kernel/cpu/mcheck/mce.c:194 suspicious rcu_dereference_index_check() usage! [ 24.676032] [ 24.676033] other info that might help us debug this: [ 24.676034] [ 24.676152] [ 24.676153] rcu_scheduler_active = 1, debug_locks = 0 [ 24.676235] no locks held by udevd/384. [ 24.676276] [ 24.676277] stack backtrace: [ 24.676402] Pid: 384, comm: udevd Not tainted 3.3.0-0.rc3.git5.1.fc17.x86_64 #1 [ 24.676529] Call Trace: [ 24.676601] [<ffffffff810c8f35>] lockdep_rcu_suspicious+0xe5/0x100 [ 24.676673] [<ffffffffa013c000>] ? 0xffffffffa013bfff [ 24.676742] [<ffffffff81031080>] mce_register_decode_chain+0x1c0/0x1e0 [ 24.676812] [<ffffffffa013c000>] ? 0xffffffffa013bfff [ 24.676881] [<ffffffffa013c176>] mce_amd_init+0x176/0x1000 [edac_mce_amd] [ 24.676953] [<ffffffff8100212a>] do_one_initcall+0x12a/0x180 [ 24.677030] [<ffffffff810daf06>] sys_init_module+0x1146/0x2260 [ 24.677101] [<ffffffff816a6c29>] system_call_fastpath+0x16/0x1b Version-Release number of selected component (if applicable): kernel-3.3.0-0.rc3.git5.1.fc17.x86_64 How reproducible: Always Steps to Reproduce: 1. Boot 2. Run dmesg 3. Actual results: The aboce Expected results: No suspicious activity of anykind Additional info: