On Sun, Aug 10, 2014 at 6:22 PM, Toralf Förster <toralf.foers...@gmx.de> wrote: > Well, might be too early to try the new kernel at a 32 bit Linux, but this is > what I got today (just once, next attempt to start the kernel worked fine) : > > tfoerste@n22 /mnt/ramdisk $ stresc Xterm.log.n22.2014.08.10.17.43.36.9202 > Locating the bottom of the address space ... 0x1000 > Locating the top of the address space ... 0xc0000000 > Core dump limits : > soft - 0 > hard - NONE > Checking that ptrace can change system call numbers...OK > Checking syscall emulation patch for ptrace...OK > Checking advanced syscall emulation patch for ptrace...OK > Checking environment variables for a tempdir...none found > Checking if /dev/shm is on tmpfs...OK > Checking PROT_EXEC mmap in /dev/shm...OK > Checking for the skas3 patch in the host: > - /proc/mm...not found: No such file or directory > - PTRACE_FAULTINFO...not found > - PTRACE_LDT...not found > UML running in SKAS0 mode > Adding 3354624 bytes to physical memory to account for exec-shield gap > Kernel virtual memory size shrunk to 976224256 bytes > bootconsole [earlycon0] enabled > PID hash table entries: 4096 (order: 2, 16384 bytes) > Dentry cache hash table entries: 262144 (order: 8, 1048576 bytes) > Inode-cache hash table entries: 131072 (order: 7, 524288 bytes) > Sorting __ex_table... > Memory: 2007004K/2051276K available (4824K kernel code, 304K rwdata, 1776K > rodata, 118K init, 241K bss, 44272K reserved) > SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 > NR_IRQS:15 > Calibrating delay loop... 898.66 BogoMIPS (lpj=4493312) > pid_max: default: 32768 minimum: 301 > Mount-cache hash table entries: 4096 (order: 2, 16384 bytes) > Mountpoint-cache hash table entries: 4096 (order: 2, 16384 bytes) > Checking for host processor cmov support...Yes > Checking that host ptys support output SIGIO...Yes > Checking that host ptys support SIGIO on close...No, enabling workaround > devtmpfs: initialized > Using 2.6 host AIO > xor: measuring software checksum speed > 8regs : 1351.600 MB/sec > 8regs_prefetch: 1192.400 MB/sec > 32regs : 740.400 MB/sec > 32regs_prefetch: 666.400 MB/sec > xor: using function: 8regs (1351.600 MB/sec) > prandom: seed boundary self test passed > prandom: 100 self tests passed > NET: Registered protocol family 16 > raid6: int32x1 235 MB/s > raid6: int32x2 216 MB/s > raid6: int32x4 153 MB/s > raid6: int32x8 237 MB/s > raid6: using algorithm int32x8 (237 MB/s) > raid6: using intx1 recovery algorithm > Switched to clocksource itimer > > EIP: 0073:[<0808028c>] CPU: 0 Not tainted ESP: 007b:84ca7e60 EFLAGS: 00010202 > Not tainted > EAX: 086f7970 EBX: 00000000 ECX: 00000001 EDX: 7d332fff > ESI: 84ca7e9c EDI: 085cc0b2 EBP: 84ca7e88 DS: 007b ES: 007b > Kernel panic - not syncing: Segfault with no mm > CPU: 0 PID: 1 Comm: swapper Not tainted 3.16.0-10436-g9138475 #3 > Stack: > 086f7970 08364f4d 84c499c0 84cd08b0 00000000 7d332fff 086fee70 7d332fff > ffffffff 08166980 84ca7ec4 080808ba 84ca7eb8 00000000 84ca7ea4 00000000 > 7d332fff 84ca7ec4 80000200 84d5aa50 84d5aa50 84d5aaa9 086d5064 00000000 > Call Trace: > [<08364f4d>] ? ida_get_new_above+0x18d/0x1b0 > [<08166980>] ? kclist_add_private+0x0/0xb0 > [<080808ba>] walk_system_ram_range+0x8a/0xa0 > [<08166a69>] kcore_update_ram+0x39/0x160 > [<08166980>] ? kclist_add_private+0x0/0xb0 > [<08053ed4>] proc_kcore_init+0x87/0x8b > [<08048a68>] do_one_initcall+0x115/0x1c3 > [<08053e4d>] ? proc_kcore_init+0x0/0x8b > [<08507abc>] ? _raw_spin_unlock_irqrestore+0x1c/0x20 > [<08071c2e>] ? set_signals+0x1e/0x40 > [<08048239>] ? repair_env_string+0x1a/0x91 > [<08093654>] ? parse_args+0x214/0x360 > [<08048c0f>] kernel_init_freeable+0xf9/0x19d > [<08053e4d>] ? proc_kcore_init+0x0/0x8b > [<0804821f>] ? repair_env_string+0x0/0x91 > [<084ff00b>] kernel_init+0xb/0xe0 > [<0805f69b>] new_thread_handler+0x6b/0x90 > > /home/tfoerste/workspace/bin/start_uml.sh: line 110: 9231 Aborted > $LINUX earlyprintk ubda=$ROOTFS ubdb=$SWAP eth0=$NET mem=$MEM $TTY > umid=uml_$NAME rootfstype=ext4 "$ARGS" > > rase is backspace. > > > > Usually something like the following I'd expected : > > NET: Registered protocol family 2 > TCP established hash table entries: 16384 (order: 4, 65536 bytes) > TCP bind hash table entries: 16384 (order: 6, 327680 bytes) > TCP: Hash tables configured (established 16384 bind 16384) > TCP: reno registered > UDP hash table entries: 1024 (order: 3, 49152 bytes) > UDP-Lite hash table entries: 1024 (order: 3, 49152 bytes) > NET: Registered protocol family 1 > RPC: Registered named UNIX socket transport module. > RPC: Registered udp transport module. > RPC: Registered tcp transport module. > RPC: Registered tcp NFSv4.1 backchannel transport module. >
Please see: [uml-devel] "resource: provide new functions to walk through resources" breaks UML > -- > Toralf > > > ------------------------------------------------------------------------------ > _______________________________________________ > User-mode-linux-devel mailing list > User-mode-linux-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel -- Thanks, //richard ------------------------------------------------------------------------------ _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel
