Manuel Bouyer wrote: > On Fri, Sep 14, 2012 at 03:19:19AM -0700, Brian Buhrow wrote: >> } FWIW, I've just seen this on a native i386 system while running a >> } pkg_delete. No WAPBL on this system. >> >> hello. What version of NetBSD? > > 6.0_RC1
A little more info about this, while doing a git clone of a very big project inside a Xen DomU I also got a crash, this time I was not able to get to ddb, this was printed on the console: dmode 7274 mode 7274 dgen 61006465 gen 61006465 size 7474615f68736168 blocks 6269727474610072 ino 113648 ipref 113600 panic: ffs_valloc: dup alloc fatal breakpoint trap However, I've been able to get a kernel trace with gdb: Thread 1: #0 0xffffffff80130c82 in x86_pause () #1 0xffffffff801f70c1 in _kernel_lock () #2 0xffffffff801edd7d in kevent1 () #3 0xffffffff801edf01 in sys___kevent50 () #4 0xffffffff8032c2e4 in syscall () #5 0xffffffff8010221d in Xsyscall () Thread 2: #0 0xffffffff80130adb in x86_lfence () #1 0xffffffff803ab99d in spllower () #2 0xffffffff8020c1f6 in sleepq_abort () #3 0xffffffff8020e5a7 in tsleep () #4 0xffffffff803ad381 in xb_read () #5 0xffffffff803aea52 in xenbus_thread () #6 0xffffffff80102327 in lwp_trampoline () #7 0x0000000000000000 in ?? () Thread 3: #0 0xffffffff80130c82 in x86_pause () #1 0xffffffff801f70c1 in _kernel_lock () #2 0xffffffff8030c224 in bdev_strategy () #3 0xffffffff803049a8 in spec_strategy () #4 0xffffffff803a83a6 in VOP_STRATEGY () #5 0xffffffff80176dc6 in genfs_do_io () #6 0xffffffff801790a5 in genfs_gop_write () #7 0xffffffff801786cf in genfs_do_putpages () #8 0xffffffff803a86d4 in VOP_PUTPAGES () #9 0xffffffff8039799d in vflushbuf () #10 0xffffffff8016a0a2 in ffs_full_fsync () #11 0xffffffff8016a1eb in ffs_fsync () #12 0xffffffff803a7c77 in VOP_FSYNC () #13 0xffffffff8031e565 in sched_sync () #14 0xffffffff80102327 in lwp_trampoline () #15 0x0000000000000000 in ?? () Thread 4: #0 0xffffffff80130c82 in x86_pause () #1 0xffffffff801f70c1 in _kernel_lock () #2 0xffffffff8014b220 in intr_biglock_wrapper () #3 0xffffffff80103cb7 in Xresume_xenev6 () #4 0x0000000018041969 in ?? () Backtrace stopped: previous frame inner to this frame (corrupt stack?) This was on a clean install of RC1, using FFSv2.