On 2015/1/19 18:06, Tetsuya Mukawa wrote: > On 2015/01/19 18:49, Qiu, Michael wrote: >> Hi Tetsuya, >> >> I see two lines log like: >> >> EAL: cannot open VFIO container, error 2 (No such file or directory) >> EAL: VFIO support could not be initialized >> >> It should not happen as I have a patch merged to master branch. >> >> There should have something wrong, could you please help me to debug this? >> >> All I needed are the results of: >> 1. cat /proc/modules >> 2. lsmod | grep vfio >> 3. ls -al /dev/vfio >> 4. uname -a > Because I got the log while running bisect, I guess your patch was not > be applied at the time. > (But "Fix rte_is_power_of_2" was applied.) > > I tried to run testpmd using latest code again, and I didn't see above > warnings. > So your patch works fine. Sorry for confusion. > > Thanks, > Tetsuya > >> Thanks, >> Michael >> >> On 2015/1/19 16:54, Doherty, Declan wrote: >>>> -----Original Message----- >>>> From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Tetsuya Mukawa >>>> Sent: Monday, January 19, 2015 7:11 AM >>>> To: dev at dpdk.org >>>> Subject: [dpdk-dev] rte_eal_init() causes PANIC using latest DPDK code. >>>> >>>> Hi, >>>> >>>> I've got following error using latest DPDK code. >>>> Does someone face the same issue? >>>> In my environment, It seems almost all DPDK apps (at lease l2fwd and >>>> testpmd) cannot work. >>>> >>>> -------------------------------------------- >>>> EAL: Support maximum 128 logical core(s) by configuration. >>>> EAL: Detected 8 lcore(s) >>>> EAL: cannot open VFIO container, error 2 (No such file or directory) >>>> EAL: VFIO support could not be initialized >>>> EAL: Setting up memory... >>>> EAL: Ask a virtual area of 0x280000000 bytes >>>> EAL: Virtual area found at 0x7ffd40000000 (size = 0x280000000) >>>> EAL: Requesting 10 pages of size 1024MB from socket 0 >>>> RING: Cannot reserve memory for tailq >>>> EAL: rte_eal_common_log_init(): cannot create log_history mempool >>>> PANIC in rte_eal_init(): >>>> Cannot init logs >>>> 6: [./build/l2fwd() [0x41cf53]] >>>> 5: [/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) >>>> [0x7ffff7105ec5]] >>>> 4: [./build/l2fwd(main+0x1c) [0x41c52c]] >>>> 3: [./build/l2fwd(rte_eal_init+0x1073) [0x46a653]] >>>> 2: [./build/l2fwd(__rte_panic+0xc9) [0x41c3ff]] >>>> 1: [./build/l2fwd(rte_dump_stack+0x18) [0x471828]] >>>> -------------------------------------------- >>>> >>>> I tried bisect, and it seems below patch causes this. >>>> "eal: fix check for power of 2 in 0 case".
OK, that's fine. Thanks, Michael >>>> >>>> Thanks, >>>> Tetsuya >>>> >>>> >>> Hey Tetsuya, >>> >>> This is the issue which my patch >>> (http://dpdk.org/dev/patchwork/patch/2333/) submitted on Friday addresses. >>> >>> > >