Neil Horman 6094628bfd rds: prevent BUG_ON triggering on congestion map updates ... Recently had this bug halt reported to me: kernel BUG at net/rds/send.c:329! Oops: Exception in kernel mode, sig: 5 [#1] SMP NR_CPUS=1024 NUMA pSeries Modules linked in: rds sunrpc ipv6 dm_mirror dm_region_hash dm_log ibmveth sg ext4 jbd2 mbcache sd_mod crc_t10dif ibmvscsic scsi_transport_srp scsi_tgt dm_mod [last unloaded: scsi_wait_scan] NIP: d000000003ca68f4 LR: d000000003ca67fc CTR: d000000003ca8770 REGS: c000000175cab980 TRAP: 0700 Not tainted (2.6.32-118.el6.ppc64) MSR: 8000000000029032 <EE,ME,CE,IR,DR> CR: 44000022 XER: 00000000 TASK = c00000017586ec90[1896] 'krdsd' THREAD: c000000175ca8000 CPU: 0 GPR00: 0000000000000150 c000000175cabc00 d000000003cb7340 0000000000002030 GPR04: ffffffffffffffff 0000000000000030 0000000000000000 0000000000000030 GPR08: 0000000000000001 0000000000000001 c0000001756b1e30 0000000000010000 GPR12: d000000003caac90 c000000000fa2500 c0000001742b2858 c0000001742b2a00 GPR16: c0000001742b2a08 c0000001742b2820 0000000000000001 0000000000000001 GPR20: 0000000000000040 c0000001742b2814 c000000175cabc70 0800000000000000 GPR24: 0000000000000004 0200000000000000 0000000000000000 c0000001742b2860 GPR28: 0000000000000000 c0000001756b1c80 d000000003cb68e8 c0000001742b27b8 NIP [d000000003ca68f4] .rds_send_xmit+0x4c4/0x8a0 [rds] LR [d000000003ca67fc] .rds_send_xmit+0x3cc/0x8a0 [rds] Call Trace: [c000000175cabc00] [d000000003ca67fc] .rds_send_xmit+0x3cc/0x8a0 [rds] (unreliable) [c000000175cabd30] [d000000003ca7e64] .rds_send_worker+0x54/0x100 [rds] [c000000175cabdb0] [c0000000000b475c] .worker_thread+0x1dc/0x3c0 [c000000175cabed0] [c0000000000baa9c] .kthread+0xbc/0xd0 [c000000175cabf90] [c000000000032114] .kernel_thread+0x54/0x70 Instruction dump: 4bfffd50 60000000 60000000 39080001 935f004c f91f0040 41820024 813d017c 7d094a78 7d290074 7929d182 394a0020 <0b090000> 40e2ff68 4bffffa4 39200000 Kernel panic - not syncing: Fatal exception Call Trace: [c000000175cab560] [c000000000012e04] .show_stack+0x74/0x1c0 (unreliable) [c000000175cab610] [c0000000005a365c] .panic+0x80/0x1b4 [c000000175cab6a0] [c00000000002fbcc] .die+0x21c/0x2a0 [c000000175cab750] [c000000000030000] ._exception+0x110/0x220 [c000000175cab910] [c000000000004b9c] program_check_common+0x11c/0x180 Signed-off-by: David S. Miller <davem@davemloft.net>		2011-03-08 11:22:43 -08:00
..
9p	net/9p: Use proper data types	2011-01-11 09:58:07 -06:00
802
8021q
appletalk
atm	Merge branch 'for-2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq	2011-01-07 16:58:04 -08:00
ax25	net: ax25: fix information leak to userland harder	2011-01-12 00:34:49 -08:00
batman-adv	batman-adv: Linearize fragment packets before merge	2011-02-08 00:54:31 +01:00
bluetooth	Bluetooth: Release BTM while sleeping to avoid deadlock	2011-02-16 15:54:11 -03:00
bridge	bridge: Use IPv6 link-local address for multicast listener queries	2011-02-22 10:07:29 -08:00
caif	net/caif: Fix dangling list pointer in freed object on error.	2011-02-08 14:31:31 -08:00
can	can: test size of struct sockaddr in sendmsg	2011-01-15 20:56:42 -08:00
ceph	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client	2011-02-21 15:01:38 -08:00
core	net: handle addr_type of 0 properly	2011-02-25 13:58:54 -08:00
dcb	net: dcbnl: check correct ops in dcbnl_ieee_set()	2011-03-02 15:04:33 -08:00
dccp	dccp: fix oops on Reset after close	2011-03-01 23:02:07 -08:00
decnet	Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial	2011-01-13 10:05:56 -08:00
dns_resolver	DNS: Fix a NULL pointer deref when trying to read an error key [CVE-2011-1076]	2011-03-04 09:56:19 +11:00
dsa	module: fix missing semicolons in MODULE macro usage	2011-01-24 14:32:54 +10:30
econet	econet: remove compiler warnings	2011-01-27 14:15:54 -08:00
ethernet	eth: fix new kernel-doc warning	2011-01-12 19:00:40 -08:00
ieee802154
ipv4	tcp: undo_retrans counter fixes	2011-02-21 11:31:18 -08:00
ipv6	sysctl: ipv6: use correct net in ipv6_sysctl_rtcache_flush	2011-02-25 11:01:56 -08:00
ipx
irda	Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6	2010-12-26 22:37:05 -08:00
iucv	[S390] irq: have detailed statistics for interrupt types	2011-01-05 12:47:25 +01:00
key
l2tp	Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6	2010-12-08 13:47:38 -08:00
lapb
llc
mac80211	Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6	2011-02-22 11:53:05 -08:00
netfilter	netfilter: nf_log: avoid oops in (un)bind with invalid nfproto values	2011-03-02 12:10:13 +01:00
netlabel	net: kill unused macros	2010-12-19 21:59:35 -08:00
netlink	netlink: handle errors from netlink_dump()	2011-02-28 12:18:12 -08:00
netrom
packet	net: Use skb_checksum_start_offset()	2010-12-16 14:43:14 -08:00
phonet	phonet: some signedness bugs	2011-01-10 13:33:17 -08:00
rds	rds: prevent BUG_ON triggering on congestion map updates	2011-03-08 11:22:43 -08:00
rfkill	kconfig: rename CONFIG_EMBEDDED to CONFIG_EXPERT	2011-01-20 17:02:05 -08:00
rose
rxrpc	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6	2011-03-03 15:43:15 -08:00
sched	net: Fix more stale on-stack list_head objects.	2011-02-20 11:49:45 -08:00
sctp	sctp: fix reporting of unknown parameters	2011-02-19 19:06:55 -08:00
sunrpc	NFS do not find client in NFSv4 pg_authenticate	2011-01-25 15:26:51 -05:00
tipc	tipc: update log.h re-include protection to reflect new name	2011-01-01 14:56:18 -08:00
unix	net: fix multithreaded signal handling in unix recv routines	2011-03-07 15:31:16 -08:00
wanrouter
wimax
wireless	Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6	2011-02-22 11:53:05 -08:00
x25	x25: Do not reference freed memory.	2011-02-09 22:36:13 -08:00
xfrm	xfrm: avoid possible oopse in xfrm_alloc_dst	2011-02-10 23:08:33 -08:00
compat.c
Kconfig	Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial	2011-01-13 10:05:56 -08:00
Makefile	net: Enter net/ipv6/ even if CONFIG_IPV6=n	2011-03-07 12:50:52 -08:00
nonet.c
socket.c	pass default dentry_operations to mount_pseudo()	2011-01-12 20:03:43 -05:00
sysctl_net.c
TUNABLE