Bug 874357
| Summary: | Kernel crash (NFS related?) | ||||||
|---|---|---|---|---|---|---|---|
| Product: | [Fedora] Fedora | Reporter: | Braden McDaniel <braden> | ||||
| Component: | kernel | Assignee: | Jeff Layton <jlayton> | ||||
| Status: | CLOSED INSUFFICIENT_DATA | QA Contact: | Fedora Extras Quality Assurance <extras-qa> | ||||
| Severity: | urgent | Docs Contact: | |||||
| Priority: | unspecified | ||||||
| Version: | 17 | CC: | gansalmon, itamar, jlayton, jonathan, kernel-maint, madhu.chinakonda, steved | ||||
| 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: | 2013-03-11 12:25:29 UTC | Type: | Bug | ||||
| 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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Not one I've seen before. I'll plan to poke at it as soon as I have some time. (gdb) list *(rb_erase+0x1fa)
0xffffffff812def3a is in rb_erase (include/linux/rbtree.h:125).
120 #define rb_set_red(r) do { (r)->rb_parent_color &= ~1; } while (0)
121 #define rb_set_black(r) do { (r)->rb_parent_color |= 1; } while (0)
122
123 static inline void rb_set_parent(struct rb_node *rb, struct rb_node *p)
124 {
125 rb->rb_parent_color = (rb->rb_parent_color & 3) | (unsigned long)p;
126 }
127 static inline void rb_set_color(struct rb_node *rb, int color)
128 {
129 rb->rb_parent_color = (rb->rb_parent_color & ~1) | color;
Looks like the rb_node pointer is corrupt? But in this case, it fell down in rb_set_parent which implies that the rbtree was corrupt, not necessarily the actual rb_node being erased.
Any chance you could get a vmcore from one of these crashes? This one may be hard to track down from just an oops.
...also, is this still reproducible on 3.7 kernels? No response in well over a month. Closing... |
Created attachment 640513 [details] Screen shot of kernel crash Description of problem: This bug has plagued recent kernel updates to Fedora 17 and has basically rendered my F17 box unusable with recent kernel updates. It typically happens shortly after I log in and begin using an application like Evolution or GNOME Web (Epiphany). I am using an NFS4-mounted home directory. Version-Release number of selected component (if applicable): 3.6.5-1.fc17