I found some other people report the same issue 'alloc_contig_range' spamming the system logs:
http://lists-archives.com/linux-kernel/28714307-problem-persists-dmesg-spam-alloc_contig_range-xx-yy-pfns-busy.html http://lists-archives.com/linux-kernel/28715065-drm-radeon-spamming-alloc_contig_range-xxx-yyy-pfns-busy-busy.html http://forums.fedoraforum.org/showthread.php?t=314123 https://bugzilla.redhat.com/show_bug.cgi?id=1387732 One of the suggested fix is to suppress printing of this message (example as was done in a raspberry Pi tree) <https://github.com/raspberrypi/linux/commit/be6077b5b0464e22342d038aa94240112e038ae9> On Tue, Jun 27, 2017 at 2:52 PM, Kumar Abhishek < [email protected]> wrote: > 1. Update: Switching to a different SD card solves the boot time being long > 2. Doing 'sudo service lightdm stop' seems to stop the > "alloc_contig_range" spam in the kernel log, suggesting it might have > something to do with the X server (?) > > On Mon, Jun 26, 2017 at 4:38 PM, Kumar Abhishek < > [email protected]> wrote: > >> 1. Using a serial console, I get the following output: >> >> ---------------------------------- >> U-Boot SPL 2017.01-00341-gb2aad42503 (Jun 21 2017 - 10:56:05) >> DRA752-GP ES1.1 >> Trying to boot from MMC1 >> >> ** Unable to use mmc 0:1 for loading the env ** >> Using default environment >> >> >> >> U-Boot 2017.01-00341-gb2aad42503 (Jun 21 2017 - 10:56:05 -0500), Build: >> jenkins-github_Bootloader-Builder-581 >> >> CPU : DRA752-GP ES1.1 >> Model: TI AM5728 BeagleBoard-X15 >> Board: BeagleBoard X15 REV A.20 >> DRAM: 2 GiB >> MMC: OMAP SD/MMC: 0, OMAP SD/MMC: 1 >> >> ** Unable to use mmc 0:1 for loading the env ** >> Using default environment >> >> setup_board_eeprom_env: beagle_x15 >> SCSI: SATA link 0 timeout. >> AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl SATA mode >> flags: 64bit ncq stag pm led clo only pmp pio slum part ccc apst >> scanning bus for devices... >> Found 0 device(s). >> Net: <ethaddr> not set. Validating first E-fuse MAC >> cpsw >> Press SPACE to abort autoboot in 2 seconds >> usb_boot is currently disabled >> scsi_boot is currently disabled >> switch to partitions #0, OK >> mmc0 is current device >> Scanning mmc device 0 >> Checking for: /uEnv.txt ... >> Checking for: /boot/uEnv.txt ... >> 445 bytes read in 395 ms (1000 Bytes/s) >> Loaded environment from /boot/uEnv.txt >> Checking if uname_r is set in /boot/uEnv.txt ... >> debug: [uname_r=4.9.33-ti-r42] ... >> loading /boot/vmlinuz-4.9.33-ti-r42 ... >> 9530640 bytes read in 96459 ms (95.7 KiB/s) >> loading /boot/dtbs/4.9.33-ti-r42/am57xx-beagle-x15.dtb ... >> 152761 bytes read in 1969 ms (75.2 KiB/s) >> loading /boot/initrd.img-4.9.33-ti-r42 ... >> 5913007 bytes read in 59990 ms (95.7 KiB/s) >> debug: [console=ttyO2,115200n8 root=/dev/mmcblk0p1 ro rootfstype=ext4 >> rootwait coherent_pool=1M net.ifnames=0 quiet] ... >> debug: [bootz 0x82000000 0x88080000:5a39af 0x88000000] ... >> ## Flattened Device Tree blob at 88000000 >> Booting using the fdt blob at 0x88000000 >> Loading Ramdisk to 8fa5c000, end 8ffff9af ... OK >> Loading Device Tree to 8fa33000, end 8fa5b4b8 ... OK >> >> Starting kernel ... >> ---------------------------------------------------- >> It seems that the loading of the kernel and initrd from the SD card is >> rather slow (95KB/s), wonder why. >> >> 2. >> Also, the second issue (alloc_contig_range) seems to happen about 1000 >> seconds in after the system boots. These messages start slow initially >> (once every 30 seconds or so) but become more frequent with time, until >> they block everything. >> >> >> On Mon, Jun 26, 2017 at 12:44 PM, Kumar Abhishek < >> [email protected]> wrote: >> >>> I have Rev A2 of the X15, and the kernel logs say that it is a DRA752 >>> ES1.1 silicon. >>> >>> On Sun, Jun 25, 2017 at 11:09 PM, Robert Nelson <[email protected] >>> > wrote: >>> >>>> Hi Kumar, what do you have plugged in? Which rev of the x15? I had >>>> tested this image on Friday, it was working for me on the new x15 (sr 2.0 >>>> silicon) >>>> >>>> Regards, >>>> >>>> On Jun 25, 2017 11:44 AM, "Kumar Abhishek" < >>>> [email protected]> wrote: >>>> >>>>> I have two issues working with the latest BeagleBoard Stretch image on >>>>> the BeagleBoard X15. >>>>> >>>>> ( I used image under both https://rcn-ee.net/rootfs >>>>> /bb.org/testing/2017-06-22/stretch-lxqt/ and >>>>> https://rcn-ee.net/rootfs/bb.org/testing/2017-06-18/stretch-lxqt/ ) >>>>> >>>>> 1. The bootup from microSD card containing the image happens only >>>>> after roughly 3-4 minutes, the board is unresponsive until then. I don't >>>>> know why this is happening but this did not happen with a Jessie image ( >>>>> the board boots immediately ) >>>>> >>>>> 2. The syslog is getting spammed with log messages like this, and it >>>>> fills up the entire space on the microSD card, to the point I can no >>>>> longer >>>>> do anything: >>>>> >>>>> [ 4906.387892] alloc_contig_range: [fceb1, fceb2) PFNs busy >>>>> [ 4906.387951] alloc_contig_range: [fceb2, fceb3) PFNs busy >>>>> [ 4906.388082] alloc_contig_range: [fceb3, fceb4) PFNs busy >>>>> [ 4906.388152] alloc_contig_range: [fceb4, fceb5) PFNs busy >>>>> [ 4906.388251] alloc_contig_range: [fceb5, fceb6) PFNs busy >>>>> [ 4906.388307] alloc_contig_range: [fceb6, fceb7) PFNs busy >>>>> [ 4906.540999] alloc_contig_range: [fceb0, fceb1) PFNs busy >>>>> [ 4906.541076] alloc_contig_range: [fceb1, fceb2) PFNs busy >>>>> [ 4906.541135] alloc_contig_range: [fceb2, fceb3) PFNs busy >>>>> [ 4906.541195] alloc_contig_range: [fceb3, fceb4) PFNs busy >>>>> [ 4906.541253] alloc_contig_range: [fceb4, fceb5) PFNs busy >>>>> [ 4906.541311] alloc_contig_range: [fceb5, fceb6) PFNs busy >>>>> [ 4906.541369] alloc_contig_range: [fceb6, fceb7) PFNs busy >>>>> [ 4906.549392] alloc_contig_range: [fceb0, fceb1) PFNs busy >>>>> [ 4906.549539] alloc_contig_range: [fceb1, fceb2) PFNs busy >>>>> [ 4906.549599] alloc_contig_range: [fceb2, fceb3) PFNs busy >>>>> [ 4906.549654] alloc_contig_range: [fceb3, fceb4) PFNs busy >>>>> [ 4906.549708] alloc_contig_range: [fceb4, fceb5) PFNs busy >>>>> [ 4906.549762] alloc_contig_range: [fceb5, fceb6) PFNs busy >>>>> [ 4906.549816] alloc_contig_range: [fceb6, fceb7) PFNs busy >>>>> >>>>> I wanted to bring these to your notice. >>>>> >>>>> Thanks >>>>> Kumar Abhishek >>>>> >>>> >>> >> > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. 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