Josh Tolbert wrote:
Hi,
FreeBSD 5.3-RELEASE-p5 on a Tyan Tiger LE with two PIII/733s an
Intel Pro/1000MT 64-bit NIC in a 66MHz PCI slot nets me these
repeatedly on boot immediately after the interface comes up:
Apr 26 09:57:56 ram kernel: em0: Link is up 1000 Mbps Full Duplex
Apr 26 09:57:56 ram kernel: lock order reversal
Apr 26 09:57:56 ram kernel: 1st 0xc162e3b4 em0 (network driver) @ /usr/src/sys/dev/em/if_em.c:980
Apr 26 09:57:56 ram kernel: 2nd 0xc0663d80 Giant (Giant) @ /usr/src/sys/vm/vm_contig.c:538
Apr 26 09:57:56 ram kernel: KDB: stack backtrace:
Apr 26 09:57:56 ram kernel: kdb_backtrace(c0619e00,c0663d80,c0615a3e,c0615a3e,c06270aa) at kdb_backtrace+0x2e
Apr 26 09:57:56 ram kernel: witness_checkorder(c0663d80,9,c06270aa,21a,d403d964) at witness_checkorder+0x6a6
Apr 26 09:57:56 ram kernel: _mtx_lock_flags(c0663d80,0,c06270aa,21a,c04b9b5f) at _mtx_lock_flags+0x8a
Apr 26 09:57:56 ram kernel: contigmalloc(1000,c063d760,1,0,ffffffff) at contigmalloc+0x42
Apr 26 09:57:56 ram kernel: alloc_bounce_pages(c1737d00,4,101,c18ac100,c162e000) at alloc_bounce_pages+0x83
Apr 26 09:57:56 ram kernel: bus_dmamap_create(c1737d00,1,d403da28,c0672c20,0) at bus_dmamap_create+0x131
Apr 26 09:57:56 ram kernel: em_encap(c162e000,c18ac100,c0609329,267,c162e0e8) at em_encap+0x90
Apr 26 09:57:56 ram kernel: em_start_locked(c162e000,ffffffff,c044cfc0,c162e000,c162e37c) at em_start_locked+0x254
Apr 26 09:57:56 ram kernel: em_intr(c162e000,0,c0613eaa,269,c0663d40) at em_intr+0x143
Apr 26 09:57:56 ram kernel: ithread_loop(c1566400,d403dd48,c0613cce,323,b20684f9) at ithread_loop+0x172
Apr 26 09:57:56 ram kernel: fork_exit(c04b0410,c1566400,d403dd48) at fork_exit+0xc6
Apr 26 09:57:56 ram kernel: fork_trampoline() at fork_trampoline+0x8
Apr 26 09:57:56 ram kernel: --- trap 0x1, eip = 0, esp = 0xd403dd7c, ebp = 0 ---
If there's any other information you need, please let me know.
Thanks,
Josh
Crumbs, I'll look at this. Can you provide some details of your system?
dmesg? Could you also provide the output of 'sysctl hw.busdma'? Thanks,
Scott
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