Bug 524042
| Summary: | ftrace faulted on writing [<f7e487af>] i2c_new_dummy+0x8/0x59 [i2c_core] | ||||||
|---|---|---|---|---|---|---|---|
| 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: | medium | Docs Contact: | |||||
| Priority: | low | ||||||
| Version: | rawhide | CC: | dougsland, gansalmon, itamar, kernel-maint, michal, phan | ||||
| Target Milestone: | --- | ||||||
| Target Release: | --- | ||||||
| Hardware: | All | ||||||
| OS: | Linux | ||||||
| Whiteboard: | |||||||
| Fixed In Version: | Doc Type: | Bug Fix | |||||
| Doc Text: | Story Points: | --- | |||||
| Clone Of: | Environment: | ||||||
| Last Closed: | 2009-09-27 11:04:18 UTC | Type: | --- | ||||
| Regression: | --- | Mount Type: | --- | ||||
| Documentation: | --- | CRM: | |||||
| Verified Versions: | Category: | --- | |||||
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |||||
| Cloudforms Team: | --- | Target Upstream Version: | |||||
| Embargoed: | |||||||
| Attachments: |
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Similar messages come from /var/log/messages with 2.6.31-33.fc12.x86_64: Sep 21 10:14:01 dhcp-65-9 kernel: ------------[ cut here ]------------ Sep 21 10:14:01 dhcp-65-9 kernel: WARNING: at kernel/trace/ftrace.c:1003 ftrace_bug+0x198/0x27e() (Not tainted) Sep 21 10:14:01 dhcp-65-9 kernel: Hardware name: OptiPlex 740 Enhanced Sep 21 10:14:01 dhcp-65-9 kernel: Modules linked in: i2c_core(+) Sep 21 10:14:01 dhcp-65-9 kernel: Pid: 89, comm: modprobe Not tainted 2.6.31-33.fc12.x86_64 #1 Sep 21 10:14:01 dhcp-65-9 kernel: Call Trace: Sep 21 10:14:01 dhcp-65-9 kernel: [<ffffffff810642ec>] warn_slowpath_common+0x95/0xc3 Sep 21 10:14:01 dhcp-65-9 kernel: [<ffffffffa0003072>] ? i2c_new_dummy+0x8/0x5e [i2c_core] Sep 21 10:14:01 dhcp-65-9 kernel: [<ffffffff81064341>] warn_slowpath_null+0x27/0x3d Sep 21 10:14:01 dhcp-65-9 kernel: [<ffffffff810d4ace>] ftrace_bug+0x198/0x27e Sep 21 10:14:01 dhcp-65-9 kernel: [<ffffffffa0003072>] ? i2c_new_dummy+0x8/0x5e [i2c_core] Sep 21 10:14:01 dhcp-65-9 kernel: [<ffffffff810d5d26>] ftrace_convert_nops+0x201/0x2b9 Sep 21 10:14:01 dhcp-65-9 kernel: [<ffffffffa0003072>] ? i2c_new_dummy+0x8/0x5e [i2c_core] Sep 21 10:14:01 dhcp-65-9 kernel: [<ffffffff810d5e2a>] ftrace_module_notify+0x4c/0x7f Sep 21 10:14:01 dhcp-65-9 kernel: [<ffffffff81509c65>] notifier_call_chain+0x72/0xba Sep 21 10:14:01 dhcp-65-9 kernel: [<ffffffff81086e71>] ? __blocking_notifier_call_chain+0x4c/0x8e Sep 21 10:14:01 dhcp-65-9 kernel: [<ffffffff81086e88>] __blocking_notifier_call_chain+0x63/0x8e Sep 21 10:14:01 dhcp-65-9 kernel: [<ffffffff81086eda>] blocking_notifier_call_chain+0x27/0x3d Sep 21 10:14:01 dhcp-65-9 kernel: [<ffffffff810a472a>] sys_init_module+0xb7/0x249 Sep 21 10:14:01 dhcp-65-9 kernel: [<ffffffff81011f42>] system_call_fastpath+0x16/0x1b Sep 21 10:14:01 dhcp-65-9 kernel: ---[ end trace e826f98e2f432b5c ]--- This is caused by the modules-ro-nx patch: http://lkml.org/lkml/2009/9/21/362 Should be fixed in 2.6.31-40 > Should be fixed in 2.6.31-40
I am afraid that this is not the case:
.....
udev: starting version 145
------------[ cut here ]------------
WARNING: at kernel/trace/ftrace.c:1003 ftrace_bug+0x198/0x27e() (Not tainted)
Hardware name: To Be Filled By O.E.M.
Modules linked in: i2c_core(+)
Pid: 81, comm: modprobe Not tainted 2.6.31-40.fc12.x86_64 #1
Call Trace:
[<ffffffff810642ec>] warn_slowpath_common+0x95/0xc3
[<ffffffffa0003072>] ? i2c_new_dummy+0x8/0x5e [i2c_core]
[<ffffffff81064341>] warn_slowpath_null+0x27/0x3d
[<ffffffff810d4ace>] ftrace_bug+0x198/0x27e
[<ffffffffa0003072>] ? i2c_new_dummy+0x8/0x5e [i2c_core]
[<ffffffff810d5d26>] ftrace_convert_nops+0x201/0x2b9
[<ffffffffa0003072>] ? i2c_new_dummy+0x8/0x5e [i2c_core]
[<ffffffff810d5e2a>] ftrace_module_notify+0x4c/0x7f
[<ffffffff81509c65>] notifier_call_chain+0x72/0xba
[<ffffffff81086e71>] ? __blocking_notifier_call_chain+0x4c/0x8e
[<ffffffff81086e88>] __blocking_notifier_call_chain+0x63/0x8e
[<ffffffff81086eda>] blocking_notifier_call_chain+0x27/0x3d
[<ffffffff810a472a>] sys_init_module+0xb7/0x249
[<ffffffff81011f42>] system_call_fastpath+0x16/0x1b
---[ end trace aa747a3466ca487c ]---
ftrace faulted on writing [<ffffffffa0003072>] i2c_new_dummy+0x8/0x5e [i2c_core]
.......
BTW - this looks like a duplicate of bug #523635. *** This bug has been marked as a duplicate of bug 523635 *** |
Created attachment 361526 [details] Dmesg ... Description of problem: Notice this in dmesg better to report-it.. usb 3-1: new full speed USB device using uhci_hcd and address 2 ------------[ cut here ]------------ WARNING: at kernel/trace/ftrace.c:1003 ftrace_bug+0x15c/0x225() (Not tainted) Hardware name: Inspiron 6000 Modules linked in: i2c_core(+) Pid: 74, comm: modprobe Not tainted 2.6.31-23.fc12.i686.PAE #1 Call Trace: [<c044c285>] warn_slowpath_common+0x7b/0xa3 [<c04aaf4f>] ? ftrace_bug+0x15c/0x225 [<f7e487af>] ? i2c_new_dummy+0x8/0x59 [i2c_core] [<c044c2ce>] warn_slowpath_null+0x21/0x35 [<c04aaf4f>] ftrace_bug+0x15c/0x225 [<c04abe37>] ftrace_convert_nops+0x198/0x236 [<f7e487af>] ? i2c_new_dummy+0x8/0x59 [i2c_core] [<c04abf16>] ftrace_module_notify+0x41/0x6e [<c083e31f>] notifier_call_chain+0x5d/0x95 [<c0469f89>] __blocking_notifier_call_chain+0x52/0x78 [<c0469fd0>] blocking_notifier_call_chain+0x21/0x37 [<c0483833>] sys_init_module+0xa1/0x1fe [<c04099cb>] sysenter_do_call+0x12/0x38 ---[ end trace 160151ee1f24b6b9 ]--- ftrace faulted on writing [<f7e487af>] i2c_new_dummy+0x8/0x59 [i2c_core] [drm] Initialized drm 1.1.0 20060810 Version-Release number of selected component (if applicable): 2.6.31-23.fc12.i686.PAE How reproducible: Steps to Reproduce: 1. 2. 3. Actual results: Expected results: Additional info: