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Message-id: <4B49015D.9000903@majjas.com>
Date: Sat, 09 Jan 2010 17:21:17 -0500
From: Michael Breuer <mbreuer@...jas.com>
To: linux-kernel@...r.kernel.org,
Stephen Hemminger <shemminger@...tta.com>
Subject: 2.6.33RC3 Sky2 oops - Driver tries to sync DMA memory it has not
allocated
Hi,
Attempting to move back to mainline after my recent 2.6.32 issues...
Config is make oldconfig from working 2.6.32 config. Patch for
af_packet.c (for skb issue found in 2.6.32) included. Attaching .config
and NMI backtraces.
System becomes unusable after bringing up the network:
Jan 9 16:36:50 mail kernel: ------------[ cut here ]------------
Jan 9 16:36:50 mail kernel: WARNING: at lib/dma-debug.c:902
check_sync+0xbd/0x426()
Jan 9 16:36:50 mail kernel: Hardware name: System Product Name
Jan 9 16:36:50 mail kernel: sky2 0000:04:00.0: DMA-API: device driver
tries to sync DMA memory it has not allocated [device
address=0x0000000311686822] [size=60 bytes]
Jan 9 16:36:50 mail kernel: Modules linked in: bridge stp appletalk
psnap llc nfsd lockd nfs_acl auth_rpcgss exportfs hwmon_vid coretemp
sunrpc acpi_cpufreq sit tunnel4 ipt_LOG ipt_MASQUERADE iptable_nat
nf_nat iptable_mangle iptable_raw nf_conntrack_netbios_ns
nf_conntrack_ftp nf_conntrack_ipv6 xt_multiport ip6table_filter xt_DSCP
xt_dscp xt_MARK ip6table_mangle ip6_tables ipv6 dm_multipath kvm_intel
kvm snd_hda_codec_analog snd_ens1371 gameport snd_rawmidi snd_ac97_codec
snd_hda_intel ac97_bus snd_hda_codec snd_hwdep snd_seq gspca_spca505
snd_seq_device gspca_main snd_pcm videodev snd_timer snd v4l1_compat
v4l2_compat_ioctl32 firewire_ohci soundcore snd_page_alloc iTCO_wdt
i2c_i801 iTCO_vendor_support firewire_core crc_itu_t sky2 pcspkr wmi
asus_atk0110 hwmon fbcon tileblit font bitblit softcursor raid456
async_raid6_recov async_pq raid6_pq async_xor xor async_memcpy async_tx
raid1 ata_generic pata_acpi pata_marvell nouveau ttm drm_kms_helper drm
agpgart fb i2c_algo_bit cfbcopyarea i2c_core cfbimgblt cfbfil
Jan 9 16:36:50 mail kernel: lrect [last unloaded: scsi_wait_scan]
Jan 9 16:36:50 mail kernel: Pid: 5271, comm: libvirtd Not tainted
2.6.33-rc3WITHMMAPNODMAR-00147-g3c8ad49-dirty #1
Jan 9 16:36:50 mail kernel: Call Trace:
Jan 9 16:36:50 mail kernel: <IRQ> [<ffffffff81049fe5>]
warn_slowpath_common+0x7c/0x94
Jan 9 16:36:50 mail kernel: [<ffffffff8104a054>]
warn_slowpath_fmt+0x41/0x43
Jan 9 16:36:50 mail kernel: [<ffffffff81261c0a>] check_sync+0xbd/0x426
Jan 9 16:36:50 mail kernel: [<ffffffff813b2aff>] ?
__netdev_alloc_skb+0x34/0x50
Jan 9 16:36:50 mail kernel: [<ffffffff812622c6>]
debug_dma_sync_single_for_cpu+0x42/0x44
Jan 9 16:36:50 mail kernel: [<ffffffff8125f6c7>] ?
swiotlb_sync_single+0x2a/0xb6
Jan 9 16:36:50 mail kernel: [<ffffffff8125f823>] ?
swiotlb_sync_single_for_cpu+0xc/0xe
Jan 9 16:36:50 mail kernel: [<ffffffffa018efcb>] sky2_poll+0x4d5/0xaf0
[sky2]
Jan 9 16:36:50 mail kernel: [<ffffffff8106a1a3>] ?
sched_clock_cpu+0x44/0xce
Jan 9 16:36:50 mail kernel: [<ffffffff81070573>] ?
clockevents_program_event+0x7a/0x83
Jan 9 16:36:50 mail kernel: [<ffffffff813b9766>] net_rx_action+0xb5/0x1f0
Jan 9 16:36:50 mail kernel: [<ffffffff8105059c>] __do_softirq+0xf8/0x1cd
Jan 9 16:36:50 mail kernel: [<ffffffff8109389a>] ?
handle_IRQ_event+0x119/0x12b
Jan 9 16:36:50 mail kernel: [<ffffffff8100ab1c>] call_softirq+0x1c/0x30
Jan 9 16:36:50 mail kernel: [<ffffffff8100c2b3>] do_softirq+0x4b/0xa3
Jan 9 16:36:50 mail kernel: [<ffffffff81050188>] irq_exit+0x4a/0x8c
Jan 9 16:36:50 mail kernel: [<ffffffff8145a83c>] do_IRQ+0xac/0xc3
Jan 9 16:36:50 mail kernel: [<ffffffff81455a93>] ret_from_intr+0x0/0x16
Jan 9 16:36:50 mail kernel: <EOI> [<ffffffff8104474c>] ?
set_cpus_allowed_ptr+0x22/0x14b
Jan 9 16:36:50 mail kernel: [<ffffffff81087aff>]
cpuset_attach_task+0x27/0x9c
Jan 9 16:36:50 mail kernel: [<ffffffff81087bfe>] cpuset_attach+0x8a/0x133
Jan 9 16:36:50 mail kernel: [<ffffffff81042cba>] ?
sched_move_task+0x104/0x110
Jan 9 16:36:50 mail kernel: [<ffffffff81085b4f>]
cgroup_attach_task+0x4d5/0x533
Jan 9 16:36:50 mail kernel: [<ffffffff81085e05>] cgroup_clone+0x258/0x2ac
Jan 9 16:36:50 mail kernel: [<ffffffff81088a74>] ns_cgroup_clone+0x58/0x75
Jan 9 16:36:50 mail kernel: [<ffffffff81048ec1>] copy_process+0xcef/0x13af
Jan 9 16:36:50 mail kernel: [<ffffffff810d9044>] ?
handle_mm_fault+0x355/0x7ff
Jan 9 16:36:50 mail kernel: [<ffffffff8108f769>] ?
audit_filter_rules+0x19a/0x7c5
Jan 9 16:36:50 mail kernel: [<ffffffff810496ec>] do_fork+0x16b/0x309
Jan 9 16:36:50 mail kernel: [<ffffffff81251d12>] ? __up_read+0x82/0x8a
Jan 9 16:36:50 mail kernel: [<ffffffff81010f22>] sys_clone+0x28/0x2a
Jan 9 16:36:50 mail kernel: [<ffffffff81009f33>] stub_clone+0x13/0x20
Jan 9 16:36:50 mail kernel: [<ffffffff81009bf2>] ?
system_call_fastpath+0x16/0x1b
Jan 9 16:36:50 mail kernel: ---[ end trace cd5e0588bad4ec83 ]---
Then... after a few more normal boot messages (samba starting up, etc.)
I just see rcu stalls with NMI backtraces for each cpu. I've attached
the first one - the rcu stall oops repeats until the reboot I forced.
View attachment "messages" of type "text/plain" (34144 bytes)
View attachment "config" of type "text/plain" (85920 bytes)
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