글 수 47
OS : CentOS 5.6 64bit
kernel ver : 2.6.18-238.12.1.el5 x86_64
/var/log/messages 일부 발췌
Jul 13 09:31:47 new kernel: PCI: Failed to allocate mem resource #12:20000@df300000 for 0000:01:00.0
Jul 13 09:31:47 new kernel: PCI: Failed to allocate mem resource #15:20000@df300000 for 0000:01:00.0
Jul 13 09:31:47 new kernel: PCI: Failed to allocate mem resource #12:20000@df300000 for 0000:01:00.1
Jul 13 09:31:47 new kernel: PCI: Failed to allocate mem resource #15:20000@df300000 for 0000:01:00.1
아래 url 참조.
Red Hat Bugzilla – Bug 715469
커널 모듈중 igb 모듈 확인
lsmod |grep igb
lspci -v 명령으로 재확인
01:00.1 Ethernet controller: Intel Corporation 82576 Gigabit Network Connection
intel 82576 On board 장비에서 centos 5.6 64bit 일 경우 위 커널 패닉이 날 수 있음

위와 같은 환경 CentOS 5.6 32bit 2.6.18-238.19.1.el5PAE kernel 에서도 같은 버그 있습니다.
Aug 2 17:31:07 pbs07 kernel: PCI: Failed to allocate mem resource #12:20000@df300000 for 0000:01:00.0
Aug 2 17:31:07 pbs07 kernel: PCI: Failed to allocate mem resource #15:20000@df300000 for 0000:01:00.0
Aug 2 17:31:07 pbs07 kernel: PCI: Failed to allocate mem resource #12:20000@df300000 for 0000:01:00.1
Aug 2 17:31:07 pbs07 kernel: PCI: Failed to allocate mem resource #15:20000@df300000 for 0000:01:00.1