On 03/10/2015 10:21 PM, Richard Weinberger wrote: > Am 10.03.2015 um 19:56 schrieb Toralf Förster: >> On 03/10/2015 07:43 PM, Richard Weinberger wrote: >>> Also please send me your .config. >> attached > > This .config works perfecly fine here. > So, what does your userspace? Does UML crash while booting up? > BTW: You do not specify mem=, so you have only very few memory... > > Thanks, > //richard > Well, in fact I never ever managed it to boot the UML guest here at my new hardened host. But at elast (today) I get reliable a crash in the same place (again and again):
$ /home/tfoerste/devel/linux/linux earlyprintk ubda=/home/tfoerste/virtual/uml/trinity ubdb=/mnt/ramdisk/trinity_swap eth0=tuntap,tap0,72:ef:3d:9f:c3:5a mem=2000M con0=fd:0,fd:1 con=pts umid=uml_trinity rootfstype=ext4 softlockup_all_cpu_backtrace=1 console [mc-1] enabled Failed to initialize ubd device 1 :Couldn't determine size of device's file Netdevice 0 (72:ef:3d:9f:c3:5a) : TUN/TAP backend - EXT4-fs (ubda): mounted filesystem with ordered data mode. Opts: (null) VFS: Mounted root (ext4 filesystem) readonly on device 98:0. devtmpfs: mounted Modules linked in: Pid: 1, comm: swapper Not tainted 4.0.0-rc3-00148-gc202baf RIP: 0033:[<0000000060250c5e>] RSP: 000003d3185f5f08 EFLAGS: 00010202 RAX: 0000000060250c4c RBX: 00000000606049c8 RCX: 000003d317f1db99 RDX: 00000000602356f0 RSI: 000003d3185f6fe8 RDI: 00000000dcdd6000 RBP: 000003d3185f6fe8 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000dc819778 R11: 0000000000000246 R12: 00000000dcdd6000 R13: 000003d3185f6000 R14: 0000000060235c00 R15: 00000000602d98b2 Kernel panic - not syncing: Segfault with no mm CPU: 0 PID: 1 Comm: swapper Not tainted 4.0.0-rc3-00148-gc202baf #5 Stack: Modules linked in: Pid: 1, comm: swapper Not tainted 4.0.0-rc3-00148-gc202baf RIP: 0033:[<0000000060238a51>] RSP: 0000000060571450 EFLAGS: 00010202 RAX: 0000000000000006 RBX: 000000006049c59e RCX: 00000000606049c8 RDX: 0000000000000000 RSI: 0000000060613338 RDI: 0000000000000000 RBP: 0000000060571480 R08: 0000000060571059 R09: 000000006027eb6f R10: 0000000000000008 R11: 00000000003b7039 R12: 000003d3185f5f0f R13: 0000000000000001 R14: 00000000605716f0 R15: 0000000000000001 Kernel panic - not syncing: Segfault with no mm which resolves now to $ addr2line -e ./linux 0000000060250c5e /home/tfoerste/devel/linux/arch/um/os-Linux/skas/process.c:199 $ addr2line -e ./linux 0000000060238a51 /home/tfoerste/devel/linux/arch/um/kernel/sysrq.c:56 -- Toralf pgp key: 7B1A 07F4 EC82 0F90 D4C2 8936 872A E508 0076 E94E ------------------------------------------------------------------------------ Dive into the World of Parallel Programming The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net/ _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel