| Summary: | Core dump occurs when start VM with mem much larger than host's mem | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 6 | Reporter: | Mike Cao <bcao> |
| Component: | qemu-kvm | Assignee: | Virtualization Maintenance <virt-maint> |
| Status: | CLOSED NOTABUG | QA Contact: | Virtualization Bugs <virt-bugs> |
| Severity: | medium | Docs Contact: | |
| Priority: | medium | ||
| Version: | 6.1 | CC: | lcapitulino, michen, mkenneth, virt-maint |
| Target Milestone: | rc | ||
| Target Release: | --- | ||
| Hardware: | x86_64 | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | Bug Fix | |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2011-03-11 14:07:23 UTC | Type: | --- |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
That's the expected behavior. The core is generated because the code calls abort() and not because of a segfault. Closing as NOTABUG. |
Description of problem: Version-Release number of selected component (if applicable): # rpm -q qemu-kvm qemu-kvm-0.12.1.2-2.148.el6.x86_64 # uname -r 2.6.32-118.el6.x86_64 How reproducible: 100% Steps to Reproduce: 1.find a 10GB or less memory host 2.start VM with 200GB mem eg:<commandLine> -m 200G Actual results: Failed to allocate 549755813888 B: Cannot allocate memory Aborted (core dumped) Expected results: qemu-kvm process quit w/o core dump Additional info: (gdb) bt #0 0x00000036158329e5 in raise () from /lib64/libc.so.6 #1 0x00000036158341c5 in abort () from /lib64/libc.so.6 #2 0x0000000000482929 in qemu_memalign (alignment=2097152, size=549755813888) at osdep.c:112 #3 0x00000000004eaed9 in qemu_ram_alloc (dev=<value optimized out>, name=<value optimized out>, size=<value optimized out>) at /usr/src/debug/qemu-kvm-0.12.1.2/exec.c:2724 #4 0x000000000045239e in pc_init1 (ram_size=3758096384, boot_device=0x7fff42df25b0 "c", kernel_filename=0x0, kernel_cmdline=0x63bf42 "", initrd_filename=0x0, cpu_model=0x62bce1 "cpu64-rhel6", pci_enabled=1) at /usr/src/debug/qemu-kvm-0.12.1.2/hw/pc.c:1111 #5 0x000000000040e541 in main (argc=<value optimized out>, argv=<value optimized out>, envp=<value optimized out>) at /usr/src/debug/qemu-kvm-0.12.1.2/vl.c:6649