id,summary,reporter,owner,description,type,status,priority,milestone,component,version,resolution,keywords,cc,field_blocks,field_dependson,field_seealso 821,kfb assertion failure (old >= 0) on BeagleBoard-xM,Jiri Svoboda,Jiri Svoboda,"As of current master ([[https://github.com/HelenOS/helenos/commit/37d4c915fb39ff74e65cfe063a2abfd05093b32d]]) kfb will fail an assertion failure on BeagleBoard-xM built with default configuration: {{{ OK ## Transferring control to NetBSD stage-2 loader (at address 80000000) ... HelenOS bootloader, release 0.9.1 (Armonia), revision 37d4c915f Built on 2020-11-20 17:16:28 for arm32 Copyright (c) 2001-2019 HelenOS project Boot loader: 0x80000000 -> 0x8000dd1c Memory statistics 0x8000d000|0x8000d000: bootstrap stack 0x80008000|0x80008000: bootstrap page table 0x8000d818|0x8000d818: boot info structure 0x80a00000|0x80a00000: kernel entry point Boot loader: 0x80000000 -> 0x8000dd1c Payload: 0x8000dd1c -> 0x8028651c Kernel load address: 0x80a00000 Kernel start: 0x80a00000 RAM end: 0x81a00000 (16777216 bytes available) Inflating components ... 0x80a00000|0x80a00000: kernel.elf.gz image (498204/148007 bytes) 0x80a7a000|0x80a7a000: ns.gz image (109868/50394 bytes) 0x80a95000|0x80a95000: loader.gz image (116424/53928 bytes) 0x80ab2000|0x80ab2000: init.gz image (140576/63708 bytes) 0x80ad5000|0x80ad5000: locsrv.gz image (125436/57862 bytes) 0x80af4000|0x80af4000: rd.gz image (116248/53519 bytes) 0x80b11000|0x80b11000: vfs.gz image (140140/63730 bytes) 0x80b34000|0x80b34000: logger.gz image (122368/56051 bytes) 0x80b52000|0x80b52000: ext4fs.gz image (177924/81761 bytes) 0x80b7e000|0x80b7e000: initrd.img.gz image (12582912/1947403 bytes) Done. Booting the kernel... SPARTAN kernel, release 0.9.1 (Armonia), revision 37d4c915f Built on 2020-11-20 17:16:28 for arm32 Copyright (c) 2001-2019 HelenOS project Detected 1 CPU(s), 524288 KiB free memory Found DCache L1: 4-way, 128 sets, 64 byte lines (shifts: w29, s6) Found DCache L2: 8-way, 512 sets, 64 byte lines (shifts: w28, s6) Detected VFPv3+ with 32 regs Program loader at 0xc001f000 Kernel console ready (press any key to activate) RAM disk at 0x80b7e000 (size 12582912 bytes) [init:ns(2)] ns: HelenOS IPC Naming Service [init:ns(2)] ns: Accepting connections [init:init(3)] init: HelenOS init [init:locsrv(4)] loc: HelenOS Location Service [init:rd(5)] rd: HelenOS RAM disk server [init:rd(5)] rd: Found RAM disk at 0x80b7e000, 12582912 bytes [init:vfs(6)] vfs: HelenOS VFS server [init:logger(7)] logger: HelenOS Logging Service [init:ext4fs(8)] ext4fs: HelenOS ext4 file system server [init:logger(7)] logger: Accepting connections [init:locsrv(4)] loc: Accepting connections [init:vfs(6)] vfs: Accepting connections [init:rd(5)] rd: Accepting connections [init:ext4fs(8)] ext4fs: Accepting connections [init:init(3)] init: Root file system mounted on / (ext4fs at bd/initrd) [init:init(3)] init: Unable to stat /srv/fs/tmpfs [init:init(3)] init: Unable to stat /srv/fs/exfat [init:init(3)] init: Unable to stat /srv/fs/fat [init:init(3)] init: Unable to stat /srv/fs/cdfs [init:init(3)] init: Unable to stat /srv/fs/mfs [init:init(3)] init: Starting /srv/klog [kernel/other] note: Program loader at 0xc001f000 [init:init(3)] init: Starting /srv/fs/locfs [kernel/other] note: RAM disk at 0x80b7e000 (size 12582912 bytes) [/srv/fs/locfs(10)] locfs: HelenOS Device Filesystem [/srv/fs/locfs(10)] locfs: Accepting connections [init:init(3)] init: Unable to stat /srv/taskmon [init:init(3)] init: Location service file system mounted on /loc (locfs) [init:init(3)] init: Temporary file system not mounted on /tmp ([ENOFS] No such) [init:init(3)] init: Starting /srv/devman [/srv/devman(11)] devman: HelenOS Device Manager [/srv/devman(11)] devman: Accepting connections. [/drv/root/root(12)] root: HelenOS root device driver [init:init(3)] init: Unable to stat /srv/hid/s3c24xx_uart [devman] note: The `root' driver was successfully registered as running. [init:init(3)] init: Unable to stat /srv/hid/s3c24xx_ts [init:init(3)] init: Unable to stat /srv/bd/vbd [init:init(3)] init: Unable to stat /srv/volsrv [init:init(3)] init: Unable to stat /srv/net/loopip [init:init(3)] init: Unable to stat /srv/net/ethip [init:init(3)] init: Unable to stat /srv/net/inetsrv [init:init(3)] init: Unable to stat /srv/net/tcp [init:init(3)] init: Unable to stat /srv/net/udp [init:init(3)] init: Unable to stat /srv/net/dnsrsrv [init:init(3)] init: Unable to stat /srv/net/dhcp [init:init(3)] init: Unable to stat /srv/net/nconfsrv [init:init(3)] init: Unable to stat /srv/clipboard [init:init(3)] init: Unable to stat /srv/hid/remcons [init:init(3)] init: Starting /srv/hid/input [/drv/amdm37x/amdm37x(14)] amdm37x: HelenOS AM/DM37x(OMAP37x) platform driver [/drv/virt/virt(13)] virt: HelenOS virtual devices root driver [devman] note: The `amdm37x' driver was successfully registered as running. [devman] note: The `virt' driver was successfully registered as running. [/srv/hid/input(15)] input: HelenOS input service [amdm37x] note: Base frequency: 13.0Mhz [/srv/hid/input(15)] input: Accepting connections [virt] note: Registered child device `kfb' [init:init(3)] init: Starting /srv/hid/output [amdm37x] note: MPU running at 600.0 MHz [amdm37x] note: CORE CLK running at 332.0 MHz [amdm37x] note: L3 interface at 166.0 MHz [amdm37x] error: USB TLL is not accessible [amdm37x] fatal: Failed to init USB TLL!. [/drv/kfb/kfb(16)] kfb: HelenOS kernel framebuffer driver [/srv/hid/output(17)] output: HelenOS output service [/srv/hid/output(17)] output: Accepting connections [devman] note: The `kfb' driver was successfully registered as running. [init:init(3)] init: Unable to stat /srv/audio/hound [init:init(3)] Error contacting volume service. [/drv/kfb/kfb(16)] Assertion failed (old >= 0) in task 16, file ""../uspace/lib/. Task /drv/kfb/kfb (16) killed due to an exception at program counter 0x00000000. r0 =0x7017eca0 r1 =0x00214e74 r2 =0x70176b4c r3 =0x00000000 r4 =0x00214e74 r5 =0x00214e30 r6 =0x00000014 r7 =0x70181810 r8 =0x7017eca0 r9 =0x00113824 r10=0x00113a00 fp =0x00214e5c r12=0x00214e20 sp =0x00214e20 lr =0x70176ab8 spsr=0x20000050 0x00214e5c: 0x00000000() 0x00214e74: 0x70176b68() 0x00214e94: 0x701772e4() 0x00214ebc: 0x00102b70() 0x00214efc: 0x0010156c() 0x00214f0c: 0x001018b4() 0x00214f7c: 0x001033c8() 0x00214fe4: 0x70169c80() 0x00214ff4: 0x70163928() Kill message: Page fault: 0x00000000. [init:init(3)] init: Starting /srv/hid/display [/srv/hid/display(18)] display: Display server [display] error: No output device found. [init:init(3)] init: Server /srv/hid/display failed to start (exit code 1) [init:init(3)] init: Starting /srv/hid/console [/srv/hid/console(19)] console: HelenOS Console service [/srv/hid/console(19)] console: Accepting connections [init:init(3)] init: Spawning /app/getterm term/vc0 /loc --msg --wait -- /app/bh [init:init(3)] init: Spawning /app/getterm term/vc1 /loc --wait -- /app/bdsh [init:init(3)] init: Spawning /app/getterm term/vc2 /loc --wait -- /app/bdsh [init:init(3)] init: Spawning /app/getterm term/vc3 /loc --wait -- /app/bdsh [init:init(3)] init: Spawning /app/getterm term/vc4 /loc --wait -- /app/bdsh [init:init(3)] init: Spawning /app/getterm term/vc5 /loc --wait -- /app/bdsh kconsole> }}}",defect,closed,major,0.11.1,helenos/unspecified,mainline,fixed,,,,,