On Thu, 09 Jul 2009, 10:42 +0400, pluknet wrote: > 2009/7/9 John Marshall <john.marshall_at_riverwillow.com.au>: > > After upgrading... > > - boot new kernel to single-user > > - make installworld > > - make delete-old > > - make delete-old-libs > > - mergemaster > > - reboot > > > > I re-built a few of my applications. I noticed a problem with ntpd > > 4.2.4p7. The build was fine, it started fine, but got stuck in vmmaps > > and I couldn't kill it. Stopping the operating system appears to be the > > only remedy. I have re-built a few times (starting with 'make > > distclean') just to make sure. > > > > UID PID PPID CPU PRI NI VSZ RSS MWCHAN STAT TT TIME COMMAND > > 0 791 1 0 44 0 4944 4920 vmmaps Ds ?? 0:00.01 ntpd > > > > Can you place here 'procstat -k 791', where 791 is pid of ntpd? > It'd be nice also if you go through all ddb steps described in > Debugging Deadlocks chapter of FreeBSD Developers' Handbook. Here is some procstat output. I'm just rebuilding the kernel with the debugging options enabled - not something I've ever done before. rwsrv05# procstat 2788 PID PPID PGID SID TSID THR LOGIN WCHAN EMUL COMM 2788 1 2788 2788 0 1 john vmmaps FreeBSD ELF32 ntpd rwsrv05# procstat -k 2788 PID TID COMM TDNAME KSTACK 2788 100164 ntpd - mi_switch sleepq_switch sleepq_wait _sleep vm_map_unlock_and_wait vm_map_delete vm_map_fixed vm_mmap mmap syscall Xint0x80_syscall rwsrv05# procstat -v 2788 PID START END PRT RES PRES REF SHD FL TP PATH 2788 0x8048000 0x807e000 r-x 54 60 2 1 CN vn /usr/local/bin/ntpd 2788 0x807e000 0x8080000 rw- 2 0 1 0 C- vn /usr/local/bin/ntpd 2788 0x8080000 0x8100000 rw- 128 0 1 0 C- df 2788 0x2807e000 0x280ab000 r-x 45 0 171 75 CN vn /libexec/ld-elf.so.1 2788 0x280ab000 0x280ad000 rw- 2 0 1 0 C- vn /libexec/ld-elf.so.1 2788 0x280ad000 0x280c0000 rw- 19 0 1 0 C- df 2788 0x280c0000 0x280d7000 r-x 23 0 1 0 CN vn /lib/libm.so.5 2788 0x280d7000 0x280d8000 r-x 1 0 1 0 CN vn /lib/libm.so.5 2788 0x280d8000 0x280d9000 rw- 1 0 1 0 C- vn /lib/libm.so.5 2788 0x280d9000 0x28211000 r-x 312 0 1 0 CN vn /lib/libcrypto.so.5 2788 0x28211000 0x28212000 r-x 1 0 1 0 CN vn /lib/libcrypto.so.5 2788 0x28212000 0x2822a000 rw- 24 0 1 0 C- vn /lib/libcrypto.so.5 2788 0x2822a000 0x2822c000 rw- 2 0 1 0 C- df 2788 0x2822c000 0x28232000 r-x 6 0 1 0 CN vn /lib/libkvm.so.4 2788 0x28232000 0x28233000 r-x 1 0 1 0 CN vn /lib/libkvm.so.4 2788 0x28233000 0x28234000 rw- 1 0 1 0 C- vn /lib/libkvm.so.4 2788 0x28234000 0x2824c000 r-x 24 0 1 0 CN vn /usr/lib/libelf.so.1 2788 0x2824c000 0x2824d000 r-x 1 0 1 0 CN vn /usr/lib/libelf.so.1 2788 0x2824d000 0x2824e000 rw- 1 0 1 0 C- vn /usr/lib/libelf.so.1 2788 0x2824e000 0x28251000 r-x 3 0 15 10 CN vn /usr/lib/librt.so.1 2788 0x28251000 0x28252000 r-x 1 0 1 0 CN vn /usr/lib/librt.so.1 2788 0x28252000 0x28253000 rw- 1 0 1 0 C- vn /usr/lib/librt.so.1 2788 0x28253000 0x28260000 r-x 13 0 1 0 CN vn /lib/libmd.so.4 2788 0x28260000 0x28261000 r-x 1 0 1 0 CN vn /lib/libmd.so.4 2788 0x28261000 0x28262000 rw- 1 0 1 0 C- vn /lib/libmd.so.4 2788 0x28262000 0x28351000 r-x 239 0 1 0 CN vn /lib/libc.so.7 2788 0x28351000 0x28352000 r-x 1 0 1 0 CN vn /lib/libc.so.7 2788 0x28352000 0x28358000 rw- 6 0 1 0 C- vn /lib/libc.so.7 2788 0x28358000 0x2836e000 rw- 22 0 1 0 C- df 2788 0x2836e000 0x2837a000 --- 0 0 0 0 -- -- 2788 0x28400000 0x28500000 rw- 256 0 1 0 C- df 2788 0xbfbe0000 0xbfc00000 rwx 32 0 1 0 C- df rwsrv05# -- John Marshall
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