* 2.6.9-rc2: bad: scheduling while atomic!
@ 2004-09-29 16:00 Miroslav Zubcic
0 siblings, 0 replies; only message in thread
From: Miroslav Zubcic @ 2004-09-29 16:00 UTC (permalink / raw)
To: linux-kernel
System description:
Hardware:
==========
HP/Compaq ProLiant 320DL
Dual Pentium 4 CPU system, 3Ghz, 512 cache
2 GB memory
2 80GB WD IDE drives, 5 partitions - all in software RAID1 (mirror) -
not using hardware RAID.
lspci:
----------------------------------------------------
00:00.0 Host bridge: ServerWorks GCNB-LE Host Bridge (rev 32)
00:00.1 Host bridge: ServerWorks GCNB-LE Host Bridge
00:02.0 RAID bus controller: Silicon Image, Inc. (formerly CMD Technology Inc) PCI0649 (rev 02)
00:03.0 VGA compatible controller: ATI Technologies Inc Rage XL (rev 27)
00:04.0 System peripheral: Compaq Computer Corporation Advanced System Management Controller
00:05.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5702X Gigabit Ethernet (rev 02)
00:06.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5702X Gigabit Ethernet (rev 02)
00:0f.0 ISA bridge: ServerWorks CSB6 South Bridge (rev a0)
00:0f.1 IDE interface: ServerWorks CSB6 RAID/IDE Controller (rev a0)
00:0f.2 USB Controller: ServerWorks CSB6 OHCI USB Controller (rev 05)
00:0f.3 Host bridge: ServerWorks GCLE-2 Host Bridge
----------------------------------------------------
Usual inserted modules:
---------------------------
nfsd 201856 9
exportfs 7040 1 nfsd
lockd 63720 2 nfsd
sunrpc 156672 13 nfsd,lockd
parport_pc 35424 0
lp 12360 0
parport 42976 2 parport_pc,lp
autofs4 21700 2
ppp_synctty 11008 0
ppp_async 12224 1
crc_ccitt 2336 1 ppp_async
ppp_generic 32300 6 ppp_synctty,ppp_async
slhc 7584 1 ppp_generic
dummy 3300 0
md5 4224 1
ipv6 284484 65
8021q 20968 0
tg3 89216 0
ip_nat_ftp 5456 0
ip_conntrack_ftp 72500 1 ip_nat_ftp
ipt_MASQUERADE 4576 1
iptable_nat 25124 3 ip_nat_ftp,ipt_MASQUERADE
ipt_REJECT 7424 2
ipt_state 2272 2
ip_conntrack 37508 5 ip_nat_ftp,ip_conntrack_ftp,ipt_MASQUERADE,iptable_nat,ipt_state
iptable_filter 3072 1
ip_tables 19632 5 ipt_MASQUERADE,iptable_nat,ipt_REJECT,ipt_state,iptable_filter
microcode 7488 0
capability 4680 0
commoncap 7648 1 capability
pcspkr 3852 0
psmouse 20456 0
rtc 14120 0
---------------------------
No proprietary or even _any_ third party modules.
Software:
=========
Kernel: 2.6.9 rc2 (vanilla)
Distribution: Red Hat ES release 3, Update 3
gcc: 3.2.3
util-linux: 2.11y
module-init-tools: 2.4.26
binutils: 2.14.90.0.4
CONFIG_PREEMPT is y.
CONFIG_SCHED_SMT is n.
CONFIG_ACPI=y
CONFIG_ACPI_BOOT=y
CONFIG_ACPI_INTERPRETER=y
CONFIG_ACPI_SLEEP=y
CONFIG_ACPI_SLEEP_PROC_FS=y
CONFIG_ACPI_AC=m
CONFIG_ACPI_BATTERY=m
CONFIG_ACPI_BUTTON=m
CONFIG_ACPI_FAN=m
CONFIG_ACPI_PROCESSOR=m
CONFIG_ACPI_THERMAL=m
CONFIG_ACPI_ASUS=m
CONFIG_ACPI_TOSHIBA=m
# CONFIG_ACPI_DEBUG is not set
CONFIG_ACPI_BUS=y
CONFIG_ACPI_EC=y
CONFIG_ACPI_POWER=y
CONFIG_ACPI_PCI=y
CONFIG_ACPI_SYSTEM=y
# CONFIG_X86_PM_TIMER is not set
# CONFIG_APM is not set
Problem description:
====================
Kernel 2.6.8.1 will lock down on this machine if snmpd(8) is turned on
and receiving authenticated v3 requests for memory or interface status
from nagios NMS over network. No trace, no panic, no oops, no log
entries ... - nothing just silence.
So I have decided to try 2.6.9 rc2 to see if this bug is
fixed. 2.6.9rc2 will *not* freeze when receiving snmp request over
network, but kernel will start logging this (below) endless errors
over and over very soon early during boot process:
-----------------------------------------------------------
Sep 29 16:48:49 svarog kernel: VFS: Mounted root (ext3 filesystem) readonly.
Sep 29 16:48:50 svarog kernel: ip_tables: (C) 2000-2002 Netfilter core team
Sep 29 16:48:50 svarog last message repeated 11 times
Sep 29 16:48:50 svarog kernel: ip_conntrack version 2.1 (8192 buckets, 65536 max) - 336 bytes per conntrack
Sep 29 16:48:50 svarog kernel: process `syslogd' is using obsolete setsockopt SO_BSDCOMPAT
Sep 29 16:48:53 svarog kernel: Warning: kfree_skb on hard IRQ c0306a80
Sep 29 16:48:53 svarog kernel: bad: scheduling while atomic!
Sep 29 16:48:53 svarog kernel: [<c030b11c>] schedule+0x64c/0x660
Sep 29 16:48:53 svarog kernel: [<c029fae8>] sys_socketcall+0x168/0x270
Sep 29 16:48:53 svarog kernel: [<c01053a2>] work_resched+0x5/0x16
Sep 29 16:48:53 svarog kernel: Warning: kfree_skb on hard IRQ c0306a80
Sep 29 16:48:53 svarog last message repeated 4 times
Sep 29 16:48:53 svarog kernel: bad: scheduling while atomic!
Sep 29 16:48:53 svarog kernel: [<c030b11c>] schedule+0x64c/0x660
Sep 29 16:48:53 svarog kernel: [<c029fae8>] sys_socketcall+0x168/0x270
Sep 29 16:48:58 svarog kernel: [<c01053a2>] work_resched+0x5/0x16
Sep 29 16:49:09 svarog kernel: Warning: kfree_skb on hard IRQ c0306a80
Sep 29 16:49:26 svarog kernel: [<c0160172>] sys_fsync+0xa2/0xe0
Sep 29 16:49:32 svarog kernel: [<c010537b>] syscall_call+0x7/0xb
Sep 29 16:49:36 svarog kernel: Warning: kfree_skb on hard IRQ c0306a80
Sep 29 16:49:38 svarog kernel: bad: scheduling while atomic!
Sep 29 16:49:41 svarog kernel: [<c030b11c>] schedule+0x64c/0x660
Sep 29 16:49:42 svarog kernel: [<c02319d5>] generic_make_request+0x115/0x1a0
Sep 29 16:49:44 svarog kernel: [<c01b7af2>] find_revoke_record+0x72/0x90
Sep 29 16:49:46 svarog kernel: [<c01b81f9>] journal_cancel_revoke+0x69/0x1f0
Sep 29 16:49:46 svarog kernel: [<c030b204>] wait_for_completion+0x84/0xd0
Sep 29 16:49:49 svarog kernel: [<c011bd30>] default_wake_function+0x0/0x20
Sep 29 16:49:51 svarog kernel: [<c011bd30>] default_wake_function+0x0/0x20
Sep 29 16:49:54 svarog kernel: [<c0292b83>] sync_page_io+0xa3/0xc0
Sep 29 16:49:56 svarog kernel: [<c01a507e>] ext3_do_update_inode+0x16e/0x3c0
Sep 29 16:49:58 svarog kernel: [<c0292ac0>] bi_complete+0x0/0x20
Sep 29 16:50:00 svarog kernel: [<c029452b>] write_disk_sb+0x7b/0xc0
Sep 29 16:50:02 svarog kernel: [<c02945a4>] sync_sbs+0x34/0x50
Sep 29 16:50:05 svarog kernel: [<c029466e>] md_update_sb+0xae/0xe0
Sep 29 16:50:10 svarog kernel: [<c011d8f0>] autoremove_wake_function+0x0/0x60
Sep 29 16:50:12 svarog kernel: [<c01b305f>] journal_stop+0x21f/0x350
Sep 29 16:50:15 svarog kernel: [<c011d8f0>] autoremove_wake_function+0x0/0x60
Sep 29 16:50:17 svarog kernel: [<c0297b23>] md_write_start+0x93/0xa0
Sep 29 16:50:21 svarog kernel: [<c0290c67>] make_request+0x1a7/0x300
Sep 29 16:50:23 svarog kernel: [<c01a2d35>] ext3_ordered_commit_write+0xd5/0x100
Sep 29 16:50:27 svarog kernel: [<c02319d5>] generic_make_request+0x115/0x1a0
Sep 29 16:50:31 svarog kernel: [<c0141e41>] mempool_alloc+0x71/0x140
Sep 29 16:50:35 svarog kernel: [<c011d8f0>] autoremove_wake_function+0x0/0x60
Sep 29 16:50:37 svarog kernel: [<c0231ad1>] submit_bio+0x71/0x130
Sep 29 16:50:39 svarog kernel: [<c0163a27>] bio_alloc+0xe7/0x1d0
Sep 29 16:50:41 svarog kernel: [<c016323c>] submit_bh+0xdc/0x140
Sep 29 16:50:41 svarog kernel: [<c0161952>] __block_write_full_page+0x1e2/0x3a0
Sep 29 16:50:46 svarog kernel: [<c01630a0>] block_write_full_page+0x100/0x120
-----------------------------------------------------------
and so on and on until rebooted by plugging power off/on.
--
Many men would sooner die then think. In fact they do.
-- Bertrand Russell
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2004-09-29 16:00 2.6.9-rc2: bad: scheduling while atomic! Miroslav Zubcic
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