Bug 419821
| Summary: | kernel panic when using fscache | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 5 | Reporter: | mark preston <mark.preston> |
| Component: | cachefilesd | Assignee: | Steve Dickson <steved> |
| Status: | CLOSED DUPLICATE | QA Contact: | |
| Severity: | high | Docs Contact: | |
| Priority: | low | ||
| Version: | 5.1 | ||
| Target Milestone: | --- | ||
| Target Release: | --- | ||
| Hardware: | i386 | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | Bug Fix | |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2008-01-09 00:01:48 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: | |||
Description of problem: rhel5.1, fscache, cachefilesd, lighttpd repeatable kernel panic when using fscache against an nfs mount after a period of time Version-Release number of selected component (if applicable): kernel-2.6.18-53.1.4.el5 cachefilesd-0.8-2.el5 lighttpd-1.4.18-1.el5 How reproducible: will happen once or twice a day Steps to Reproduce: 1. mount nfs filer with fscache option 2. start cachefilesd 3. start lighttpd Actual results: kernel panic Expected results: no kernel panic/stable system Additional info: Stack: c1eb4140 00000000 f8aef3e6 f8aef3b5 000000d0 c0471248 c1eb4140 f4a44ef8 c045c058 f7f6bf78 00000020 00000000 00000000 00000020 00000010 00000001 00000000 00000020 00000002 00000001 c1e106e0 c1a408a0 c1e16c60 c1f15a00 Call Trace: [<f8aef3e6>] nfs_release_page+0x31/0x40 [nfs] [<f8aef3b5>] nfs_release_page+0x0/0x40 [nfs] [<c0471248>] try_to_release_page+0x34/0x46 [<c045c058>] shrink_inactive_list+0x477/0x718 [<c045badd>] shrink_active_list+0x375/0x37d [<f8aedc03>] nfs_access_cache_shrinker+0x20/0x160 [nfs] [<c04977d2>] mb_cache_shrink_fn+0x1e/0xb7 [<c045c3a8>] shrink_zone+0xaf/0xd0 [<c045c815>] kswapd+0x294/0x39d [<c0436031>] autoremove_wake_function+0x0/0x2d [<c045c581>] kswapd+0x0/0x39d [<c0435f65>] kthread+0xc0/0xeb [<c0435ea5>] kthread+0x0/0xeb [<c0405c3b>] kernel_thread_helper+0x7/0x10 ======================= Code: 00 b8 00 00 00 00 0f 45 d0 89 d0 c3 56 53 89 c3 8b 40 0c a8 02 74 4d 8b 43 10 8b 30 81 ee 34 01 00 00 83 be 30 01 00 00 00 75 08 <0f> 0b 0b 01 36 d2 b0 f8 8b 03 f6 c4 01 74 0c ba 08 00 00 00 89 EIP: [<f8aef379>] nfs_fscache_release_page+0x1f/0x5b [nfs] SS:ESP 0068:f7f6be20 <0>Kernel panic - not syncing: Fatal exception