[Xen-users] Re: [Fedora-xen] 2.6.37-rc1 dom0 kernel

[Boris Derzhavets <bderzhavets@xxxxxxxxx>]

Dmesg log is attached :-

[   42.140012] WARNING: at lib/debugobjects.c:259 debug_print_object+0x5b/0x63()
[   42.140012] Hardware name: System Product Name
[   42.140012] ODEBUG: free active (active state 0) object type: percpu_counter
[   42.140012] Modules linked in: ip6table_filter ip6_tables ebtable_nat ebtables ipt_MASQUERADE iptable_nat nf_nat deflate zlib_deflate ctr camellia cast5 rmd160 crypto_null ccm serpent blowfish twofish_generic twofish_x86_64 twofish_common ecb xcbc cbc sha256_generic sha512_generic des_generic cryptd aes_x86_64 aes_generic ah6 ah4 esp6 esp4 xfrm4_mode_beet xfrm4_tunnel tunnel4 xfrm4_mode_tunnel xfrm4_mode_transport xfrm6_mode_transport xfrm6_mode_ro xfrm6_mode_beet xfrm6_mode_tunnel ipcomp ipcomp6 xfrm_ipcomp xfrm6_tunnel tunnel6 af_key sunrpc bridge stp llc ipv6 evtchn xenfs uinput snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel r8169 mii snd_hda_codec snd_hwdep shpchp snd_seq snd_seq_device snd_pcm microcode snd_timer iTCO_wdt i2c_i801 asus_atk0110 snd iTCO_vendor_support soundcore snd_page_alloc pata_acpi firewire_ohci firewire_core ata_generic crc_itu_t pata_jmicron radeon ttm drm_kms_helper drm i2c_algo_bit i2c_core [last unloaded: scsi_wait_scan]
[   42.140012] Pid: 53, comm: kworker/u:6 Not tainted 2.6.37-0.1.rc1.git0.xendom0.fc14.x86_64 #1
[   42.140012] Call Trace:
[   42.140012]  [<ffffffff81051d68>] warn_slowpath_common+0x85/0x9d
[   42.140012]  [<ffffffff81051e23>] warn_slowpath_fmt+0x46/0x48
[   42.140012]  [<ffffffff812573e9>] debug_print_object+0x5b/0x63
[   42.140012]  [<ffffffff81257c1f>] debug_check_no_obj_freed+0x99/0x18a
[   42.140012]  [<ffffffff8107d997>] ? arch_local_save_flags+0xb/0xd
[   42.140012]  [<ffffffff810822b4>] ? debug_check_no_locks_freed+0x11c/0x138
[   42.140012]  [<ffffffff813f76b8>] ? net_free+0x2c/0x31
[   42.140012]  [<ffffffff81123804>] kmem_cache_free+0x6f/0x10b
[   42.140012]  [<ffffffff813f76b8>] net_free+0x2c/0x31
[   42.140012]  [<ffffffff813f7835>] cleanup_net+0x178/0x197
[   42.140012]  [<ffffffff81068d8f>] process_one_work+0x1f4/0x361
[   42.140012]  [<ffffffff81068cfb>] ? process_one_work+0x160/0x361
[   42.140012]  [<ffffffff813f76bd>] ? cleanup_net+0x0/0x197
[   42.140012]  [<ffffffff8106a1a8>] worker_thread+0x104/0x1a4
[   42.140012]  [<ffffffff8106a0a4>] ? worker_thread+0x0/0x1a4
[   42.140012]  [<ffffffff8106dbee>] kthread+0xa0/0xa8
[   42.140012]  [<ffffffff81082165>] ? trace_hardirqs_on_caller+0x10b/0x12f
[   42.140012]  [<ffffffff8100ab64>] kernel_thread_helper+0x4/0x10
[   42.140012]  [<ffffffff814b23d0>] ? restore_args+0x0/0x30
[   42.140012]  [<ffffffff8100ab60>] ? kernel_thread_helper+0x0/0x10
[   42.140012] ---[ end trace c2d2451e1a620a4f ]---
[   42.140012] BUG: sleeping function called from invalid context at kernel/mutex.c:278
[   42.140012] in_atomic(): 0, irqs_disabled(): 1, pid: 53, name: kworker/u:6
[   42.140012] 2 locks held by kworker/u:6/53:
[   42.140012]  #0:  (netns){+.+.+.}, at: [<ffffffff81068cfb>] process_one_work+0x160/0x361
[   42.140012]  #1:  (net_cleanup_work){+.+.+.}, at: [<ffffffff81068cfb>] process_one_work+0x160/0x361
[   42.140012] irq event stamp: 7666
[   42.140012] hardirqs last  enabled at (7665): [<ffffffff81123756>] kfree+0x11f/0x136
[   42.140012] hardirqs last disabled at (7666): [<ffffffff811237cd>] kmem_cache_free+0x38/0x10b
[   42.140012] softirqs last  enabled at (7620): [<ffffffff8141ea6c>] netlink_release+0x1f3/0x208
[   42.140012] softirqs last disabled at (7618): [<ffffffff8141ea54>] netlink_release+0x1db/0x208
[   42.140012] Pid: 53, comm: kworker/u:6 Tainted: G        W   2.6.37-0.1.rc1.git0.xendom0.fc14.x86_64 #1
[   42.140012] Call Trace:
[   42.140012]  [<ffffffff810807a8>] ? print_irqtrace_events+0xa0/0xa4
[   42.140012]  [<ffffffff81043256>] __might_sleep+0x103/0x108
[   42.140012]  [<ffffffff814b0512>] mutex_lock_nested+0x25/0x43
[   42.140012]  [<ffffffff8125ae02>] percpu_counter_destroy+0x3c/0x66
[   42.140012]  [<ffffffff8125ae42>] percpu_counter_fixup_free+0x16/0x32
[   42.140012]  [<ffffffff8125723b>] debug_object_fixup+0x1e/0x2b
[   42.140012]  [<ffffffff81257c54>] debug_check_no_obj_freed+0xce/0x18a
[   42.140012]  [<ffffffff810822b4>] ? debug_check_no_locks_freed+0x11c/0x138
[   42.140012]  [<ffffffff813f76b8>] ? net_free+0x2c/0x31
[   42.140012]  [<ffffffff81123804>] kmem_cache_free+0x6f/0x10b
[   42.140012]  [<ffffffff813f76b8>] net_free+0x2c/0x31
[   42.140012]  [<ffffffff813f7835>] cleanup_net+0x178/0x197
[   42.140012]  [<ffffffff81068d8f>] process_one_work+0x1f4/0x361
[   42.140012]  [<ffffffff81068cfb>] ? process_one_work+0x160/0x361
[   42.140012]  [<ffffffff813f76bd>] ? cleanup_net+0x0/0x197
[   42.140012]  [<ffffffff8106a1a8>] worker_thread+0x104/0x1a4
[   42.140012]  [<ffffffff8106a0a4>] ? worker_thread+0x0/0x1a4
[   42.140012]  [<ffffffff8106dbee>] kthread+0xa0/0xa8
[   42.140012]  [<ffffffff81082165>] ? trace_hardirqs_on_caller+0x10b/0x12f
[   42.140012]  [<ffffffff8100ab64>] kernel_thread_helper+0x4/0x10
[   42.140012]  [<ffffffff814b23d0>] ? restore_args+0x0/0x30
[   42.140012]  [<ffffffff8100ab60>] ? kernel_thread_helper+0x0/0x10

Boris

--- On Fri, 11/5/10, M A Young <m.a.young@xxxxxxxxxxxx> wrote:

From: M A Young <m.a.young@xxxxxxxxxxxx>
Subject: [Fedora-xen] 2.6.37-rc1 dom0 kernel
To: xen@xxxxxxxxxxxxxxxxxxxxxxx
Date: Friday, November 5, 2010, 7:32 PM

I have built another test kernel (2.6.37-0.1.rc1.git0.xendom0.fc15) to
play with at http://koji.fedoraproject.org/koji/taskinfo?taskID=2581020 .
As with the previous kernel this is entirely based on the upstream kernel
and Fedora kernel patches, and is probably close to what the Fedora 15
kernel will look like soon. I haven't tested it yet.

    Michael Young
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dmesg.log.gz
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