[Bug 354816] Re: system freeze when browsing internet with linux-rt

[freyr]

Hi,
The result of lspci - v in attachment.

In my /proc/interrupts I have :

          CPU0       CPU1       
  0:        406          0    XT-PIC-XT        timer
  1:         69          0    XT-PIC-XT        i8042
  2:          0          0    XT-PIC-XT        cascade
  5:      12622          0    XT-PIC-XT        ohci_hcd:usb2, ath
  7:          4          0    XT-PIC-XT        ehci_hcd:usb1, EMU10K1
  8:          1          0    XT-PIC-XT        rtc0
  9:          0          0    XT-PIC-XT        acpi
 10:       6369          0    XT-PIC-XT        sata_nv
 12:       1090          0    XT-PIC-XT        i8042
 14:       1607          0    XT-PIC-XT        pata_amd
 15:          0          0    XT-PIC-XT        pata_amd
2300:         10      13732   PCI-MSI-edge      eth0
NMI:          0          0   Non-maskable interrupts
LOC:     157316     157256   Local timer interrupts
RES:      14036      18394   Rescheduling interrupts
CAL:         37         50   Function call interrupts
TLB:        898        851   TLB shootdowns
SPU:          0          0   Spurious interrupts
ERR:          1
MIS:          0


I've found a strange message in /var/log/messages at a time of freeze :

Apr 10 22:42:27 mao kernel: [ 1412.391213] Pid: 740, comm: kjournald2 Not tainted 2.6.28-3-rt #11-Ubuntu
Apr 10 22:42:27 mao kernel: [ 1412.391216] Call Trace:
Apr 10 22:42:27 mao kernel: [ 1412.391224]  [<ffffffff806b2a99>] ? rt_spin_lock+0x9/0x10
Apr 10 22:42:27 mao kernel: [ 1412.391229]  [<ffffffff802477b6>] __schedule_bug+0x76/0x80
Apr 10 22:42:27 mao kernel: [ 1412.391233]  [<ffffffff806b0da8>] thread_return+0x145/0x37d
Apr 10 22:42:27 mao kernel: [ 1412.391236]  [<ffffffff806b2eb3>] ? _spin_unlock+0x33/0x40
Apr 10 22:42:27 mao kernel: [ 1412.391239]  [<ffffffff806b1fef>] rt_spin_lock_slowlock+0x1df/0x2b0
Apr 10 22:42:27 mao kernel: [ 1412.391242]  [<ffffffff806b2a84>] __rt_spin_lock+0x64/0x70
Apr 10 22:42:27 mao kernel: [ 1412.391245]  [<ffffffff806b2a99>] rt_spin_lock+0x9/0x10
Apr 10 22:42:27 mao kernel: [ 1412.391249]  [<ffffffff802e9b7f>] kmem_cache_free+0x5f/0x250
Apr 10 22:42:27 mao kernel: [ 1412.391254]  [<ffffffff803a210b>] __journal_remove_journal_head+0xcb/0x160
Apr 10 22:42:27 mao kernel: [ 1412.391257]  [<ffffffff803a41f8>] jbd2_journal_put_journal_head+0x88/0x110
Apr 10 22:42:27 mao kernel: [ 1412.391260]  [<ffffffff8039e030>] journal_wait_on_commit_record+0x70/0x110
Apr 10 22:42:27 mao kernel: [ 1412.391263]  [<ffffffff8039f21f>] jbd2_journal_commit_transaction+0x10af/0x1110
Apr 10 22:42:27 mao kernel: [ 1412.391265]  [<ffffffff806b2a99>] ? rt_spin_lock+0x9/0x10
Apr 10 22:42:27 mao kernel: [ 1412.391268]  [<ffffffff803a2b94>] kjournald2+0xe4/0x250
Apr 10 22:42:27 mao kernel: [ 1412.391271]  [<ffffffff8026cd70>] ? autoremove_wake_function+0x0/0x40
Apr 10 22:42:27 mao kernel: [ 1412.391274]  [<ffffffff803a2ab0>] ? kjournald2+0x0/0x250
Apr 10 22:42:27 mao kernel: [ 1412.391277]  [<ffffffff8026c879>] kthread+0x49/0x90
Apr 10 22:42:27 mao kernel: [ 1412.391280]  [<ffffffff80214b49>] child_rip+0xa/0x11
Apr 10 22:42:27 mao kernel: [ 1412.391283]  [<ffffffff8026c830>] ? kthread+0x0/0x90
Apr 10 22:42:27 mao kernel: [ 1412.391285]  [<ffffffff80214b3f>] ? child_rip+0x0/0x11


** Attachment added: "lspci-v"
   http://launchpadlibrarian.net/25252943/lspci-v

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system freeze when browsing internet with linux-rt
https://bugs.launchpad.net/bugs/354816
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