Bug 98629
| Summary: | swapoff -a crashes while doing a lot of other stuff | ||
|---|---|---|---|
| Product: | [Retired] Red Hat Linux | Reporter: | Alexandre Oliva <aoliva> |
| Component: | kernel | Assignee: | Arjan van de Ven <arjanv> |
| Status: | CLOSED WONTFIX | QA Contact: | Brian Brock <bbrock> |
| Severity: | high | Docs Contact: | |
| Priority: | medium | ||
| Version: | 9 | CC: | riel |
| Target Milestone: | --- | ||
| Target Release: | --- | ||
| Hardware: | athlon | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | Bug Fix | |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2004-09-30 15:41:15 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: | |||
Thanks for the bug report. However, Red Hat no longer maintains this version of the product. Please upgrade to the latest version and open a new bug if the problem persists. The Fedora Legacy project (http://fedoralegacy.org/) maintains some older releases, and if you believe this bug is interesting to them, please report the problem in the bug tracker at: http://bugzilla.fedora.us/ |
From Bugzilla Helper: User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.4) Gecko/20030619 Description of problem: I have 6 small swap partitions and one larger, lower-priority and never-used excess swap logical volume on top of raid 5 physical volumes. I had it accidentally enabled with the same priority as the other swap partitions, so a bit of it was used. After fixing /etc/fstab, I ran swapoff -a, immediately followed by swapon -a. swapoff crashed and logged an error message to /var/log/messages, but the machine kept on running. This was not the first time this happened to me, but it doesn't always happen. At this time, I had a lot of disk activity going on: pvmoving unrelated physical volumes around, and resyncing also unrelated raid5 volumes. I don't know whether this is related, or whether it just happened by chance. It's not 100% reproducible, unfortunately. Version-Release number of selected component (if applicable): kernel-2.4.20-18.9 How reproducible: Sometimes Steps to Reproduce: 1.Create a few swap partitions, as well as one logical volume atop of raid5 physical volumes, and enable them all with the same priority 2.Wait until you've got about 1MB used in each of them, not because of excess memory demand, but rather only due to inactivity 3.swapoff -a Actual Results: Segmentation fault. /var/log/messages says: Jul 5 20:06:08 free kernel: Unable to handle kernel paging request at virtual address 00003a04 Jul 5 20:06:08 free kernel: printing eip: Jul 5 20:06:08 free kernel: c0158791 Jul 5 20:06:08 free kernel: *pde = 00000000 Jul 5 20:06:08 free kernel: Oops: 0002 Jul 5 20:06:08 free kernel: binfmt_misc parport_pc lp parport nfs nfsd lockd sunrpc sd_mod cipcb 8139too mii ipt_TCPMSS ipt_REJECT ipt_LOG ipt_state iptable_nat ip_conntrack iptable_mang Jul 5 20:06:08 free kernel: CPU: 0 Jul 5 20:06:08 free kernel: EIP: 0060:[<c0158791>] Not tainted Jul 5 20:06:08 free kernel: EFLAGS: 00010202 Jul 5 20:06:08 free kernel: Jul 5 20:06:08 free kernel: EIP is at dput [kernel] 0x11 (2.4.20-18.9) Jul 5 20:06:08 free kernel: eax: 00003a04 ebx: 00003a04 ecx: ffffffff edx: ffffffff Jul 5 20:06:08 free kernel: esi: ffffffea edi: 0804976e ebp: dba5edc0 esp: da29df64 Jul 5 20:06:08 free kernel: ds: 0068 es: 0068 ss: 0068 Jul 5 20:06:08 free kernel: Process swapoff (pid: 4884, stackpage=da29d000) Jul 5 20:06:08 free kernel: Stack: 00000000 da29df7c da29df90 ffffffea c014f6f5 00003a04 00000000 c013e06f Jul 5 20:06:08 free kernel: da29df90 00000002 00000000 00003a04 00000000 00000000 3f074568 3f074568 Jul 5 20:06:08 free kernel: 3f074568 00001000 00000000 da29c000 0804b5d5 0804976e bfffe278 c010939f Jul 5 20:06:08 free kernel: Call Trace: [<c014f6f5>] path_release [kernel] 0x15 (0xda29df74)) Jul 5 20:06:08 free kernel: [<c013e06f>] sys_swapoff [kernel] 0x17f (0xda29df80)) Jul 5 20:06:08 free kernel: [<c010939f>] system_call [kernel] 0x33 (0xda29dfc0)) Jul 5 20:06:08 free kernel: Jul 5 20:06:09 free kernel: Jul 5 20:06:09 free kernel: Code: ff 0b 0f 94 c0 84 c0 0f 84 c6 00 00 00 8d 73 18 39 73 18 74 Expected Results: No oops, successful completion of swapoff. Additional info: