diff options
Diffstat (limited to '')
| -rw-r--r-- | results/scraper/launchpad-without-comments/1917394 | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/results/scraper/launchpad-without-comments/1917394 b/results/scraper/launchpad-without-comments/1917394 new file mode 100644 index 00000000..1f868955 --- /dev/null +++ b/results/scraper/launchpad-without-comments/1917394 @@ -0,0 +1,39 @@ +command lspci does not show the IVSHMEM device + +qeum version: +QEMU emulator version 4.2.1 + +I met a problem when I tried to use IVSHMEM. Command lspci does not show the IVSHMEM device. +Below is the configuration from my side: + +1. guest vm xml configuration. + <shmem name='ivshmem'> + <model type='ivshmem-plain'/> + <size unit='M'>2</size> + <address type='pci' domain='0x0000' bus='0x00' slot='0x10' function='0x0'/> + </shmem> + +2. after the booting up and I found the qemu commandline ideedly have the device option: +ps aux | grep ivshmem + /usr/bin/qemu-system-x86_64 + .......(ignore other options) +-object memory-backend-file,id=shmmem-shmem0,mem-path=/dev/shm/hostmem,size=4194304,share=yes -device ivshmem-plain,id=shmem0,memdev=shmmem-shmem0,bus=pcie.0,addr=0x10 + +3. lspci command not shown the device. + +4. lshw command indeedly show the device: + +*-memory UNCLAIMED + description: RAM memory + product: Inter-VM shared memory + vendor: Red Hat, Inc. + physical id: 10 + bus info: pci@0000:00:10.0 + version: 01 + width: 64 bits + clock: 33MHz (30.3ns) + configuration: latency=0 + resources: memory:fcc1c000-fcc1c0ff memory:fdc00000-fdffffff + +My host and vm os is ubuntu 20.04 and version is: +#49~20.04.1-Ubuntu SMP Fri Feb 5 09:57:56 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
\ No newline at end of file |