Ingo Molnar b57bd06655 [PATCH] net, 8139too.c: fix netpoll deadlock ... fix deadlock in the 8139too driver: poll handlers should never forcibly enable local interrupts, because they might be used by netpoll/printk from IRQ context. ================================= [ INFO: inconsistent lock state ] 2.6.19 #11 --------------------------------- inconsistent {softirq-on-W} -> {in-softirq-W} usage. swapper/1 [HC0[0]:SC1[1]:HE1:SE0] takes: (&npinfo->poll_lock){-+..}, at: [<c0350a41>] net_rx_action+0x64/0x1de {softirq-on-W} state was registered at: [<c0134c86>] mark_lock+0x5b/0x39c [<c0135012>] mark_held_locks+0x4b/0x68 [<c01351e9>] trace_hardirqs_on+0x115/0x139 [<c02879e6>] rtl8139_poll+0x3d7/0x3f4 [<c035c85d>] netpoll_poll+0x82/0x32f [<c035c775>] netpoll_send_skb+0xc9/0x12f [<c035cdcc>] netpoll_send_udp+0x253/0x25b [<c0288463>] write_msg+0x40/0x65 [<c011cead>] __call_console_drivers+0x45/0x51 [<c011cf16>] _call_console_drivers+0x5d/0x61 [<c011d4fb>] release_console_sem+0x11f/0x1d8 [<c011d7d7>] register_console+0x1ac/0x1b3 [<c02883f8>] init_netconsole+0x55/0x67 [<c010040c>] init+0x9a/0x24e [<c01049cf>] kernel_thread_helper+0x7/0x10 [<ffffffff>] 0xffffffff irq event stamp: 819992 hardirqs last enabled at (819992): [<c0350a16>] net_rx_action+0x39/0x1de hardirqs last disabled at (819991): [<c0350b1e>] net_rx_action+0x141/0x1de softirqs last enabled at (817552): [<c01214e4>] __do_softirq+0xa3/0xa8 softirqs last disabled at (819987): [<c0106051>] do_softirq+0x5b/0xc9 other info that might help us debug this: no locks held by swapper/1. stack backtrace: [<c0104d88>] dump_trace+0x63/0x1e8 [<c0104f26>] show_trace_log_lvl+0x19/0x2e [<c010532d>] show_trace+0x12/0x14 [<c0105343>] dump_stack+0x14/0x16 [<c0134980>] print_usage_bug+0x23c/0x246 [<c0134d33>] mark_lock+0x108/0x39c [<c01356a7>] __lock_acquire+0x361/0x9ed [<c0136018>] lock_acquire+0x56/0x72 [<c03aff1f>] _spin_lock+0x35/0x42 [<c0350a41>] net_rx_action+0x64/0x1de [<c0121493>] __do_softirq+0x52/0xa8 [<c0106051>] do_softirq+0x5b/0xc9 [<c0121338>] irq_exit+0x3c/0x48 [<c0106163>] do_IRQ+0xa4/0xbd [<c01047c6>] common_interrupt+0x2e/0x34 [<c011db92>] vprintk+0x2c0/0x309 [<c011dbf6>] printk+0x1b/0x1d [<c01003f2>] init+0x80/0x24e [<c01049cf>] kernel_thread_helper+0x7/0x10 ======================= Signed-off-by: Ingo Molnar <mingo@elte.hu> Acked-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>		2006-12-12 08:10:44 -08:00
..
appletalk
arcnet
arm
bonding
chelsio	[PATCH] chelsio: working NAPI	2006-12-11 09:51:07 -05:00
cris
e1000
ehea
fec_8xx
fs_enet
hamradio	[HAMRADIO]: Fix baycom_epp.c compile failure.	2006-12-11 14:35:01 -08:00
ibm_emac
irda	[PATCH] tty: switch to ktermios	2006-12-08 08:28:57 -08:00
ixgb
ixp2000
myri10ge	[PATCH] myri10ge: update driver version to 1.1.0	2006-12-11 09:54:07 -05:00
netxen
pcmcia
phy	Add "run_scheduled_work()" workqueue function	2006-12-07 09:28:19 -08:00
sk98lin
skfp
tokenring
tulip
wan	[NET]: Fix WAN routers kconfig dependency.	2006-12-11 14:34:34 -08:00
wireless	[PATCH] tty: preparatory structures for termios revamp	2006-12-08 08:28:56 -08:00
3c59x.c
3c501.c
3c501.h
3c503.c
3c503.h
3c505.c
3c505.h
3c507.c
3c509.c
3c515.c
3c523.c
3c523.h
3c527.c
3c527.h
7990.c	[PATCH] m68k/HP300: HP LANCE updates	2006-12-09 09:41:18 -08:00
7990.h
8139cp.c
8139too.c	[PATCH] net, 8139too.c: fix netpoll deadlock	2006-12-12 08:10:44 -08:00
8390.c
8390.h
82596.c
a2065.c
a2065.h
ac3200.c
acenic_firmware.h
acenic.c
acenic.h
amd8111e.c
amd8111e.h
apne.c	[PATCH] Amiga PCMCIA NE2000 Ethernet dev->irq init	2006-12-09 09:41:18 -08:00
ariadne.c
ariadne.h
at1700.c
atari_bionet.c
atari_pamsnet.c
atarilance.c
atp.c
atp.h
au1000_eth.c
au1000_eth.h
b44.c
b44.h
bmac.c
bmac.h
bnx2_fw2.h
bnx2_fw.h
bnx2.c	[BNX2]: Add an error check.	2006-12-08 17:19:22 -08:00
bnx2.h
bsd_comp.c
cassini.c
cassini.h
cs89x0.c
cs89x0.h
de600.c
de600.h
de620.c
de620.h
declance.c
defxx.c
defxx.h
depca.c
depca.h
dgrs_asstruct.h
dgrs_bcomm.h
dgrs_es4h.h
dgrs_ether.h
dgrs_firmware.c
dgrs_i82596.h
dgrs_plx9060.h
dgrs.c
dgrs.h
dl2k.c
dl2k.h
dm9000.c
dm9000.h
dummy.c
e100.c
e2100.c
eepro100.c
eepro.c
eexpress.c
eexpress.h
epic100.c
eql.c
es3210.c
eth16i.c
ewrk3.c
ewrk3.h
fealnx.c
fec.c
fec.h
forcedeth.c
gianfar_ethtool.c
gianfar_mii.c
gianfar_mii.h
gianfar_sysfs.c
gianfar.c
gianfar.h
hamachi.c
hp100.c
hp100.h
hp-plus.c
hp.c
hplance.c	[PATCH] m68k/HP300: HP LANCE updates	2006-12-09 09:41:18 -08:00
hplance.h
hydra.c
ibmlana.c
ibmlana.h
ibmveth.c
ibmveth.h
ifb.c
ioc3-eth.c
isa-skeleton.c
iseries_veth.c
jazzsonic.c
Kconfig	[PATCH] chelsio: working NAPI	2006-12-11 09:51:07 -05:00
lance.c
lasi_82596.c
lib8390.c
LICENSE.SRC
lne390.c
loopback.c
lp486e.c
mac89x0.c
mac8390.c
macb.c	[PATCH] MACB: Use __raw register access	2006-12-11 09:31:28 -05:00
macb.h	[PATCH] MACB: Use __raw register access	2006-12-11 09:31:28 -05:00
mace.c
mace.h
macmace.c
macsonic.c
Makefile
meth.c
meth.h
mii.c
mipsnet.c
mipsnet.h
mv643xx_eth.c
mv643xx_eth.h
mvme147.c
myri_code.h
myri_sbus.c
myri_sbus.h
natsemi.c
ne2.c
ne2k-pci.c
ne3210.c
ne-h8300.c
ne.c
netconsole.c
netx-eth.c
ni52.c
ni52.h
ni65.c
ni65.h
ni5010.c
ni5010.h
ns83820.c
oaknet.c
pci-skeleton.c
pcnet32.c
plip.c
ppp_async.c
ppp_deflate.c
ppp_generic.c
ppp_mppe.c
ppp_mppe.h
ppp_synctty.c
pppoe.c
pppox.c
qla3xxx.c
qla3xxx.h
r8169.c
rionet.c
rrunner.c
rrunner.h
s2io-regs.h
s2io.c
s2io.h
saa9730.c
saa9730.h
sb1000.c
sb1250-mac.c
seeq8005.c
seeq8005.h
sgiseeq.c
sgiseeq.h
shaper.c
sis190.c
sis900.c
sis900.h
sk_mca.c
sk_mca.h
skge.c
skge.h
sky2.c
sky2.h
slhc.c
slip.c
slip.h
smc91x.c
smc91x.h	[PATCH] smc91x: Kill off excessive versatile hooks.	2006-12-11 09:54:50 -05:00
smc911x.c
smc911x.h
smc9194.c
smc9194.h
smc-mca.c
smc-ultra32.c
smc-ultra.c
sonic.c
sonic.h
Space.c
spider_net_ethtool.c
spider_net.c
spider_net.h
starfire_firmware.h
starfire_firmware.pl
starfire.c
stnic.c
sun3_82586.c
sun3_82586.h
sun3lance.c
sunbmac.c
sunbmac.h
sundance.c
sungem_phy.c
sungem_phy.h
sungem.c
sungem.h
sunhme.c
sunhme.h
sunlance.c
sunqe.c
sunqe.h
tc35815.c
tg3.c
tg3.h
tlan.c
tlan.h
tsi108_eth.c
tsi108_eth.h
tun.c
typhoon-firmware.h
typhoon.c
typhoon.h
ucc_geth_phy.c
ucc_geth_phy.h
ucc_geth.c	[PATCH] ucc_geth: Initialize mdio_lock.	2006-12-11 09:31:28 -05:00
ucc_geth.h
via-rhine.c
via-velocity.c	[PATCH] crc32: replace bitreverse by bitrev32	2006-12-08 08:28:39 -08:00
via-velocity.h
wd.c
yellowfin.c
znet.c
zorro8390.c