Displaying 2 results from an estimated 2 matches for "_mtx_lock_spin_flags".
2013 Jun 30
1
locks under printf(9) and WITNESS = panic?
...ecursed on non-recursive mutex cnputs_mtx @ /usr/src/sys/kern/kern_cons.c:500
cpuid = 0
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2a/frame 0xffffff9185023940
kdb_backtrace() at kdb_backtrace+0x37/frame 0xffffff9185023a00
panic() at panic+0x1d8/frame 0xffffff9185023b00
_mtx_lock_spin_flags() at _mtx_lock_spin_flags+0x123/frame 0xffffff9185023b40
cnputs() at cnputs+0x7a/frame 0xffffff9185023b60
putbuf() at putbuf+0xbf/frame 0xffffff9185023be0
kvprintf() at kvprintf+0x83/frame 0xffffff9185023d20
vprintf() at vprintf+0x85/frame 0xffffff9185024580
printf() at printf+0x67/frame 0xffffff91...
2009 Jan 28
0
smp_tlb_shootdown bottleneck?
...2 td 0xffffff00036426e0
cpustop_handler() at cpustop_handler+0x40
ipi_nmi_handler() at ipi_nmi_handler+0x30
trap() at trap+0x378
nmi_calltrap() at nmi_calltrap+0x8
--- trap 0x13, rip = 0xffffffff8048b49c, rsp = 0xffffffff80b564b0, rbp
= 0xffffffffb4aca680 ---
_mtx_lock_spin() at _mtx_lock_spin+0x6c
_mtx_lock_spin_flags() at _mtx_lock_spin_flags+0x124
smp_tlb_shootdown() at smp_tlb_shootdown+0x58
pmap_invalidate_range() at pmap_invalidate_range+0xae
vfs_vmio_release() at vfs_vmio_release+0x120
getnewbuf() at getnewbuf+0x7be
getblk() at getblk+0x308
cluster_read() at cluster_read+0xc5
ffs_read() at ffs_read+0x37d
v...