[Bug 350285] [NEW] 2.6.28-3.9-rt fails to boot correctly (screen issue?)

[Sébastien Valette]

Public bug reported:

Hi,
on my Sony VAIO NS12M, the -rt kernel fails to boot, giving me a garbled screen and no interaction. Trying to switch consoles gives me a reboot. I join the full kernel log. Maybe this is interesting:

Mar 28 14:11:22 argo kernel: [    4.135531] ------------[ cut here ]------------
Mar 28 14:11:22 argo kernel: [    4.135535] WARNING: at /build/buildd/linux-rt-2.6.28/arch/x86/kernel/signal_32.c:608 do_signal+0x171/0x180()
Mar 28 14:11:22 argo kernel: [    4.135538] Modules linked in: fbcon tileblit font bitblit softcursor
Mar 28 14:11:22 argo kernel: [    4.135546] Pid: 221, comm: udevd Not tainted 2.6.28-3-rt #9-Ubuntu
Mar 28 14:11:22 argo kernel: [    4.135549] Call Trace:
Mar 28 14:11:22 argo kernel: [    4.135555]  [<c050fd11>] ? printk+0x18/0x1f
Mar 28 14:11:22 argo kernel: [    4.135559]  [<c013be54>] warn_on_slowpath+0x54/0x80
Mar 28 14:11:22 argo kernel: [    4.135563]  [<c0135eff>] ? resched_task+0x1f/0xd0
Mar 28 14:11:22 argo kernel: [    4.135567]  [<c02d270d>] ? rb_erase+0xcd/0x150
Mar 28 14:11:22 argo kernel: [    4.135570]  [<c0102da7>] ? __switch_to+0xb7/0x1a0
Mar 28 14:11:22 argo kernel: [    4.135574]  [<c0512258>] ? _spin_unlock_irq+0x8/0x40
Mar 28 14:11:22 argo kernel: [    4.135578]  [<c0130850>] ? finish_task_switch+0x50/0x120
Mar 28 14:11:22 argo kernel: [    4.135581]  [<c0510497>] ? schedule+0x457/0x760
Mar 28 14:11:22 argo kernel: [    4.135584]  [<c0103eb1>] do_signal+0x171/0x180
Mar 28 14:11:22 argo kernel: [    4.135587]  [<c0510a14>] ? preempt_schedule+0x74/0x80
Mar 28 14:11:22 argo kernel: [    4.135590]  [<c05122da>] ? _spin_unlock_irqrestore+0x4a/0x50
Mar 28 14:11:22 argo kernel: [    4.135593]  [<c0135e94>] ? wake_up_new_task+0xf4/0x140
Mar 28 14:11:22 argo kernel: [    4.135596]  [<c013b5a0>] ? do_fork+0x130/0x320
Mar 28 14:11:22 argo kernel: [    4.135599]  [<c01c41ef>] ? fput+0x1f/0x30
Mar 28 14:11:22 argo kernel: [    4.135603]  [<c01c0b29>] ? filp_close+0x49/0x70
Mar 28 14:11:22 argo kernel: [    4.135606]  [<c0103efd>] do_notify_resume+0x3d/0x40
Mar 28 14:11:22 argo kernel: [    4.135609]  [<c0104200>] work_notifysig+0x13/0x23
Mar 28 14:11:22 argo kernel: [    4.135611] ---[ end trace b70e9c8367946519 ]---

** Affects: linux-rt (Ubuntu)
     Importance: Undecided
         Status: New

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2.6.28-3.9-rt fails to boot correctly (screen issue?)
https://bugs.launchpad.net/bugs/350285
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