Date: Thu, 20 Feb 2003 09:48:50 +0200 From: ianf@za.uu.net To: freebsd-current@FreeBSD.org Subject: LOR in pcn driver (and pcn driver may be broken) Message-ID: <93079.1045727330@wcom.com>
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Hi I got this yesterday on my SMP system current as of yesterday: pcn0: <AMD PCnet/PCI 10/100BaseTX> port 0xe800-0xe81f mem 0xea001000-0xea00101f irq 16 at device 9.0 on pci0 ../../../vm/uma_core.c:1330: could sleep with "pcn0" locked from ../../../pci/if_pcn.c:524 ../../../vm/uma_core.c:1330: could sleep with "pcn0" locked from ../../../pci/if_pcn.c:524 lock order reversal 1st 0xc3860e88 pcn0 (network driver) @ ../../../pci/if_pcn.c:524 2nd 0xc0343660 allproc (allproc) @ ../../../kern/kern_fork.c:328 Stack backtrace: backtrace(c031afb6,c0343660,c0317d4f,c0317d4f,c031615f) at backtrace+0x17 witness_lock(c0343660,8,c031615f,148,0) at witness_lock+0x660 _sx_xlock(c0343660,c031615f,148,fa,0) at _sx_xlock+0xb2 fork1(c033eae0,60034,0,c043d994,c0d16f6b) at fork1+0x23d kthread_create(c01c5210,c0d16f00,c043d9c4,60000,0) at kthread_create+0x48 ithread_create(c043d9f8,10,0,c02e0410,c02e03a0) at ithread_create+0xda inthand_add(c0d00dc0,10,c0263da0,c3860800,4) at inthand_add+0x9e nexus_setup_intr(c0d15880,c385f300,c38671c0,4,c0263da0) at nexus_setup_intr+0x85 bus_generic_setup_intr(c0d15800,c385f300,c38671c0,4,c0263da0) at bus_generic_setup_intr+0xa2 bus_generic_setup_intr(c0d15700,c385f300,c38671c0,4,c0263da0) at bus_generic_setup_intr+0xa2 bus_generic_setup_intr(c0d15680,c385f300,c38671c0,4,c0263da0) at bus_generic_setup_intr+0xa2 bus_setup_intr(c385f300,c38671c0,4,c0263da0,c3860800) at bus_setup_intr+0xa5 pcn_attach(c385f300,c380f098,c0335270,c0186b5e,c385f500) at pcn_attach+0x69b device_probe_and_attach(c385f300,0,c043dc0c,c0186ce6,c0d15680) at device_probe_and_attach+0xb0 bus_generic_attach(c0d15680,0,58,c043dbfc,c0d15680,0) at bus_generic_attach+0x28 pci_attach(c0d15680,c380a098,c0335270,c0328e72,0) at pci_attach+0xa6 device_probe_and_attach(c0d15680,c382f070,c043dc78,c02e398f,c0d15700) at device_probe_and_attach+0xb0 bus_generic_attach(c0d15700,c0328e72,0,c043dc68,c0d15700) at bus_generic_attach+0x28 nexus_pcib_attach(c0d15700,c3834098,c0335270,c035ce00,c0d00290) at nexus_pcib_attach+0x8f device_probe_and_attach(c0d15700,c0d15800,c043dcdc,c02ce29c,c0d15800) at device_probe_and_attach+0xb0 bus_generic_attach(c0d15800,0,c0d003a0,c0d0d280,c0d15800) at bus_generic_attach+0x28 legacy_attach(c0d15800,c382f098,c0335270,c3837170,c035cbe0) at legacy_attach+0x1c device_probe_and_attach(c0d15800,c0d15880,c043dd2c,c02d5edc,c0d15880) at device_probe_and_attach+0xb0 bus_generic_attach(c0d15880,c0d15880,c043dd5c,c01ec8b0,c0d15880) at bus_generic_attach+0x28 nexus_attach(c0d15880,c3829098,c0335270,c032a7ac,0) at nexus_attach+0x1c device_probe_and_attach(c0d15880,c033018c,c043dd80,c02c04ce,c0d15c00) at device_probe_and_attach+0xb0 root_bus_configure(c0d15c00,c032a7ac,0,c043dd98,c01b3225) at root_bus_configure+0x28 configure(0,43a000,43ac00,43a000,0) at configure+0x2e mi_startup() at mi_startup+0xb5 begin() at begin+0x2c ../../../vm/uma_core.c:1330: could sleep with "pcn0" locked from ../../../pci/if_pcn.c:524 ../../../vm/uma_core.c:1330: could sleep with "pcn0" locked from ../../../pci/if_pcn.c:524 ../../../vm/uma_core.c:1330: could sleep with "pcn0" locked from ../../../pci/if_pcn.c:524 pcn0: Ethernet address: 00:60:b0:b6:d9:ee miibus1: <MII bus> on pcn0 lxtphy0: <LXT970 10/100 media interface> on miibus1 lxtphy0: 100baseFX, 100baseFX-FDX, 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto ../../../vm/uma_core.c:1330: could sleep with "pcn0" locked from ../../../pci/if_pcn.c:524 Also, the card sees link and correctly autodetects the link speed, but the driver does not seem to be able to get packets onto the wire, or read packets from the wire. Ian To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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