Am Samstag, 30. November 2013, 19:19:59 schrieb Toralf Förster: > On 11/30/2013 06:35 PM, Richard Weinberger wrote: > > Am Samstag, 30. November 2013, 18:26:45 schrieb Toralf Förster: > >> On 11/30/2013 05:36 PM, Richard Weinberger wrote: > >>> Am Samstag, 30. November 2013, 17:28:55 schrieb Toralf Förster: > >>>> On 11/30/2013 03:51 PM, Richard Weinberger wrote: > >>>>> Please more details. > >>>>> Does Linus' tree work? > >>>>> Does it crash immediately? > >>>> > >>>> Does this helps ? : > >>> Please try Linus's tree and run it without GDB. > >>> UML now has a complete new stack unwinder, let's give it a try. > >> > >> I tried it again now with host kernel 3.13-rc2 - (and guest kernel 3.11, > >> 3.12 and 3.13-rc2) - same picture. > >> > >> (FWIW I tried the UML guest already with a lot of versions inclusive > >> latest Linus git tree, but for the host I'd like to run latest stable > >> from Greg KH) > > > > Please show me the backtrace from Linus' tree. > > > > Thanks, > > //richard > > 3 subsequent runs gave these 3 back traces :
Sorry for being imprecise, I meant the raw output from UML, not GDB. Currently it looks like yet another cluster fuck within the winch-Thread. Thanks, //richard > > tfoerste@n22 /mnt/ramdisk $ cat bt-g > [New LWP 5297] > Core was generated by `/home/tfoerste/devel/linux/linux earlyprintk > ubda=/home/tfoerste/virtual/uml/tr'. Program terminated with signal 11, > Segmentation fault. > #0 constant_test_bit (addr=<optimized out>, nr=<optimized out>) at > /home/tfoerste/devel/linux/arch/x86/include/asm/bitops.h:313 313 > (addr[nr >> _BITOPS_LONG_SHIFT])) != 0; > #0 constant_test_bit (addr=<optimized out>, nr=<optimized out>) at > /home/tfoerste/devel/linux/arch/x86/include/asm/bitops.h:313 No locals. > #1 test_ti_thread_flag (ti=<optimized out>, flag=<optimized out>) at > include/linux/thread_info.h:93 No locals. > #2 test_tsk_thread_flag (flag=<optimized out>, tsk=<optimized out>) at > include/linux/sched.h:2422 No locals. > #3 signal_pending (p=<optimized out>) at include/linux/sched.h:2448 > No locals. > #4 __set_task_blocked (tsk=0x34747865, newset=0x49b41f4c) at > kernel/signal.c:2530 No locals. > #5 0x0808a390 in __set_current_blocked (newset=0x49b41f4c) at > kernel/signal.c:2558 tsk = 0x34747865 > #6 0x0808a3b7 in set_current_blocked (newset=0x0) at kernel/signal.c:2550 > No locals. > #7 0x0808b8fd in sigsuspend (set=0x0) at kernel/signal.c:3556 > No locals. > #8 0x080646d8 in winch_thread (arg=0x0) at arch/um/drivers/chan_user.c:210 > sigs = <incomplete type> > pty_fd = 172431400 > pipe_fd = 15 > c = 1 '\001' > #9 0x083da38e in clone () > No symbol table info available. > > > tfoerste@n22 /mnt/ramdisk $ cat bt-g > [New LWP 5557] > Core was generated by `/home/tfoerste/devel/linux/linux earlyprintk > ubda=/home/tfoerste/virtual/uml/tr'. Program terminated with signal 11, > Segmentation fault. > #0 0x0808b8da in sigsuspend (set=0x0) at kernel/signal.c:3555 > 3555 current->saved_sigmask = current->blocked; > #0 0x0808b8da in sigsuspend (set=0x0) at kernel/signal.c:3555 > No locals. > #1 0x080646d8 in winch_thread (arg=0x0) at arch/um/drivers/chan_user.c:210 > sigs = <incomplete type> > pty_fd = 145942568 > pipe_fd = 15 > c = 1 '\001' > #2 0x083da38e in clone () > No symbol table info available. > > > tfoerste@n22 /mnt/ramdisk $ cat bt-g > [New LWP 5809] > Core was generated by `/home/tfoerste/devel/linux/linux earlyprintk > ubda=/home/tfoerste/virtual/uml/tr'. Program terminated with signal 11, > Segmentation fault. > #0 constant_test_bit (addr=<optimized out>, nr=<optimized out>) at > /home/tfoerste/devel/linux/arch/x86/include/asm/bitops.h:313 313 > (addr[nr >> _BITOPS_LONG_SHIFT])) != 0; > #0 constant_test_bit (addr=<optimized out>, nr=<optimized out>) at > /home/tfoerste/devel/linux/arch/x86/include/asm/bitops.h:313 No locals. > #1 test_ti_thread_flag (ti=<optimized out>, flag=<optimized out>) at > include/linux/thread_info.h:93 No locals. > #2 test_tsk_thread_flag (flag=<optimized out>, tsk=<optimized out>) at > include/linux/sched.h:2422 No locals. > #3 signal_pending (p=<optimized out>) at include/linux/sched.h:2448 > No locals. > #4 __set_task_blocked (tsk=0x34747865, newset=0x48b41f4c) at > kernel/signal.c:2530 No locals. > #5 0x0808a390 in __set_current_blocked (newset=0x48b41f4c) at > kernel/signal.c:2558 tsk = 0x34747865 > #6 0x0808a3b7 in set_current_blocked (newset=0x0) at kernel/signal.c:2550 > No locals. > #7 0x0808b8fd in sigsuspend (set=0x0) at kernel/signal.c:3556 > No locals. > #8 0x080646d8 in winch_thread (arg=0x0) at arch/um/drivers/chan_user.c:210 > sigs = <incomplete type> > pty_fd = 152619048 > pipe_fd = 15 > c = 1 '\001' > #9 0x083da38e in clone () > No symbol table info available. ------------------------------------------------------------------------------ Rapidly troubleshoot problems before they affect your business. Most IT organizations don't have a clear picture of how application performance affects their revenue. With AppDynamics, you get 100% visibility into your Java,.NET, & PHP application. Start your 15-day FREE TRIAL of AppDynamics Pro! http://pubads.g.doubleclick.net/gampad/clk?id=84349351&iu=/4140/ostg.clktrk _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel
