segfault occurs with nbd-server process. How to find the root cause?
Issue
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segfault occurs with nbd-server process. How to find the root cause?
Sample logkernel: nbd-server[15300]: segfault at 00000000082d20f8 rip 00000000009f06d1 rsp 000000005577d2e4 error 4When this messages logged, another node might have I/O error in /var/log/messages like
kernel: nbd17: Receive control failed (result -104) kernel: nbd17: shutting down socket kernel: end_request: I/O error, dev nbd17, sector 83328128 kernel: raid1: Disk failure on nbd17, disabling device. kernel: Operation continuing on 1 devices kernel: end_request: I/O error, dev nbd17, sector 83328112 kernel: end_request: I/O error, dev nbd17, sector 140966752 kernel: end_request: I/O error, dev nbd17, sector 107277384 kernel: end_request: I/O error, dev nbd17, sector 89877648
Environment
- Red Hat Enterprise Linux 5
- LifeKeeper
- nbd-server
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