Re: Non-sleepable locks PANIC in sf(4)

On Thu, Nov 11, 2010 at 02:30:59PM -0800, Pyun YongHyeon wrote:
> On Wed, Nov 10, 2010 at 04:32:54PM -0800, David O'Brien wrote:
> > Kernel page fault with the following non-sleepable locks held:
> > exclusive sleep mutex sf0 (network driver) r = 0 (0xc722b584) locked _at_ /usr/obj/4kib/modules/sf/../../dev/sf/if_sf.c:1862
> > KDB: stack backtrace:
> > db_trace_self_wrapper(c08870ef,c6be8a80,4,c0a83ba0,c704164c,...) at 0xc04ed726 = db_trace_self_wrapper+0x26
> > kdb_backtrace(746,0,ffffffff,c0a83b94,daaa2ac0,...) at 0xc061152a = kdb_backtrace+0x2a
> > _witness_debugger(c08898ba,daaa2ad4,4,1,0,...) at 0xc0626256 = _witness_debugger+0x26
> > witness_warn(5,0,c08b2265,246,c70415a0,...) at 0xc062776d = witness_warn+0x1fd
> > trap(daaa2bac) at 0xc08214bd = trap+0x2ad
> > calltrap() at 0xc080b93c = calltrap+0x6
> > --- trap 0xc, eip = 0xc08077c4, esp = 0xdaaa2bec, ebp = 0xdaaa2c00 ---
> > _bus_dmamap_sync(c6cbac80,c724a000,2,daaa2c28,daaa2c30,...) at 0xc08077c4 = _bus_dmamap_sync+0x54
> > sf_newbuf(c722b584,4,c7223bbd,603,c06051d5,...) at 0xc7220173 = sf_newbuf+0xf3
> > sf_intr(c722a000,c0947ec0,4,c0882361,c65d4238,...) at 0xc7221c48 = sf_intr+0x248
> > intr_event_execute_handlers(c658f7f8,c65d4200,c087ef80,533,c65d4270,...) at 0xc05b47b5 = intr_event_execute_handlers+0x125
> > ithread_loop(c65dd830,daaa2d28,c087ed0e,33b,c658f7f8,...) at 0xc05b55ac = ithread_loop+0xac
[..]
> > 
> > thoughts?
> 
> Does sf(4) use shared interrupt?

Yes.

sf0: <Adaptec ANA-62044 (rev 1) 10/100BaseTX> port 0x8800-0x88ff mem 0xfa480000-0xfa4fffff irq 26 at device 4.0 on pci3

sf1: <Adaptec ANA-62044 (rev 1) 10/100BaseTX> port 0x8400-0x84ff mem 0xfa380000-0xfa3fffff irq 27 at device 5.0 on pci3
em0: <Intel(R) PRO/1000 Legacy Network Connection 1.0.3> port 0x9880-0x98bf mem 0xfa5c0000-0xfa5dffff irq 27 at device 8.0 on pci2

sf2: <Adaptec ANA-62044 (rev 1) 10/100BaseTX> port 0x8000-0x80ff mem 0xfa300000-0xfa37ffff irq 24 at device 6.0 on pci3
bge0: <Broadcom NetXtreme Gigabit Ethernet Controller, ASIC rev. 0x001002> mem 0xfa5b0000-0xfa5bffff irq 24 at device 9.0 on pci2
em1: <Intel(R) PRO/1000 Legacy Network Connection 1.0.3> port 0x9c00-0x9c3f mem 0xfa5e0000-0xfa5fffff irq 24 at device 8.1 on pci2

sf3: <Adaptec ANA-62044 (rev 1) 10/100BaseTX> port 0x7800-0x78ff mem 0xfa200000-0xfa27ffff irq 25 at device 7.0 on pci3

-- 
-- David  (obrien_at_FreeBSD.org)