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Subjectkernel panic after suspend/resume (was: Linux 3.4-rc3)
Date
With Linux 3.4-rc3, I'm experiencing crashes after resuming from
suspend, not immediately but after a few minutes. This has happened
three times so far, note that 3.4-rc2 worked fine.

[29747.810224] BUG: unable to handle kernel NULL pointer dereference at (null)
[29747.810359] IP: [< (null)>] (null)
[29747.810359] PGD c71d9067 PUD c7217067 PMD 0
[29747.810359] Oops: 0010 [#1] SMP
[29747.810359] CPU 0
[29747.810359] Modules linked in: netconsole ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_conntrack ip_tables x_tables nfsd exportfs nfs_acl auth_rpcgss lockd sunrpc binfmt_misc aes_generic ipv6 cryptomgr aead arc4 crypto_algapi rt73usb rt2x00usb rt2x00lib mac80211 cfg80211 crc_itu_t snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_pcm_oss snd_mixer_oss snd_pcm snd_page_alloc snd_seq_oss snd_seq_midi_event 8250_pnp snd_seq coretemp pcspkr snd_seq_device snd_timer 8250 serial_core parport_pc acpi_cpufreq i2c_i801 mperf parport intel_agp snd evdev intel_gtt processor microcode soundcore nouveau uhci_hcd video mxm_wmi fan thermal button sr_mod cdrom ehci_hcd wmi hwmon drm_kms_helper ttm drm sky2 usbcore usb_common [last unloaded: netconsole]
[29747.810359]
[29747.810359] Pid: 0, comm: swapper/0 Not tainted 3.4.0-rc3-nouveau #1 . ./I-45C(Intel i945GC-ICH7)
[29747.810359] RIP: 0010:[<0000000000000000>] [< (null)>] (null)
[29747.810359] RSP: 0018:ffff8800cfc03ee0 EFLAGS: 00010046
[29747.810359] RAX: ffffffff813a6780 RBX: ffffffff813a2600 RCX: ffffffffffffffcf
[29747.810359] RDX: 0000000000000066 RSI: 0000000000000000 RDI: ffffffff813a6780
[29747.810359] RBP: ffff8800cf006080 R08: ffff8800cf006080 R09: 0000000000000002
[29747.810359] R10: 000000000000000c R11: ffff8800caf0d790 R12: 0000000000000000
[29747.810359] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[29747.810359] FS: 0000000000000000(0000) GS:ffff8800cfc00000(0000) knlGS:0000000000000000
[29747.810359] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[29747.810359] CR2: 0000000000000000 CR3: 00000000c7308000 CR4: 00000000000007f0
[29747.810359] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[29747.810359] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[29747.810359] Process swapper/0 (pid: 0, threadinfo ffffffff8138e000, task ffffffff813a1020)
[29747.810359] Stack:
[29747.810359] ffffffff81003951 ffffffff81019593 ffffffff8106a8c7 ffff8800cf006080
[29747.810359] ffff8800cf006080 ffff8800cf00610c 0000000000000000 ffffffff8138fed8
[29747.810359] 0000000000000000 0000000000000000 ffffffff8106a9eb ffffffffffffffcf
[29747.810359] Call Trace:
[29747.810359] <IRQ>
[29747.810359] [<ffffffff81003951>] ? timer_interrupt+0xd/0x14
[29747.810359] [<ffffffff81019593>] ? default_inquire_remote_apic+0xf/0xf
[29747.810359] [<ffffffff8106a8c7>] ? handle_irq_event_percpu+0x24/0x11a
[29747.810359] [<ffffffff8106a9eb>] ? handle_irq_event+0x2e/0x4f
[29747.810359] [<ffffffff8106cd39>] ? handle_edge_irq+0xbb/0xdc
[29747.810359] [<ffffffff81003356>] ? handle_irq+0x1a/0x1e
[29747.810359] [<ffffffff8100308d>] ? do_IRQ+0x42/0xa7
[29747.810359] [<ffffffff8128eb27>] ? common_interrupt+0x67/0x67
[29747.810359] <EOI>
[29747.810359] [<ffffffff8100838b>] ? mwait_idle+0x5a/0x5d
[29747.810359] [<ffffffff81008b15>] ? cpu_idle+0x55/0x8f
[29747.810359] [<ffffffff813e3a74>] ? start_kernel+0x32f/0x33a
[29747.810359] [<ffffffff813e348f>] ? loglevel+0x34/0x34
[29747.810359] Code: Bad RIP value.
[29747.810359] RIP [< (null)>] (null)
[29747.810359] RSP <ffff8800cfc03ee0>
[29747.810359] CR2: 0000000000000000
[29747.810359] ---[ end trace ed1a30f4a6c65235 ]---
[29747.810359] Kernel panic - not syncing: Fatal exception in interrupt
[29747.810359] panic occurred, switching back to text console



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