On Fri, Sep 24, 2010 at 03:46:49PM +0300, Andriy Gapon wrote: > on 24/09/2010 15:33 Jeremy Chadwick said the following: > > On Fri, Sep 24, 2010 at 01:24:46PM +0200, Leroy van Logchem wrote: > >> ----------------------------------------------------------------------------- > >> Problem : Kernel panic "kmem_malloc(114688): kmem_map too small > >> Trigger : Destroy ZFS snapshots (each bigger >80GB) > >> Version : FreeBSD 8.1-RELEASE (GENERIC AMD64 but with DDB) > >> ... > >> panic: kmem_malloc(114688): kmem_map too small: 3307884544 total allocated > >> cpuid = 2 > >> KDB: stack backtrace: > >> db_trace_self_wrapper() at db_trace_self_wrapper+0x2a > >> panic() at panic+0x182 > >> kmem_malloc() at kmem_malloc+0x5b5 > >> uma_large_malloc() at uma_large_malloc+0x4a > >> malloc() at malloc+0x14b > >> zio_compress_data() at zio_compress_data+0xa2 > >> zio_write_bp_init() at zio_write_bp_init+0xc2 > >> zio_exectute() at zio_execute+0x77 > >> taskq_run_safe() at taskq_run_safe+0x13 > >> taskqueue_run() at taskqueue_run+0x91 > >> taskqueue_thread_loop() at taskqueue_thread_loop+0x3f > >> fork_exit() at fork_exit+0x12a > >> fork_trampoline() at fork_trampoline+0xe > >> --- trap 0, rip = 0, rsp = 0xffffff81261edd30, rbp = 0 --- > >> panic: kmem_malloc(118784): kmem_map too small: 3307884544 total allocated > >> cpuid = 2 > > > > Can you please provide uname -a output? The built date of your kernel > > matters in this case. The panic looks like uma(9) is in use > > No, it doesn't.
You're right, sorry, I missed the malloc(9) call. (I thought it was zio_compress_data() followed by uma_large_malloc()). Leroy, you can ignore my advice of adjusting your loader.conf with the tunable in question. -- | Jeremy Chadwick j...@parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB | _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"
