[Bug 669798] New: Kernel 2.6.38-rc3 regresses to black screen on boot
https://bugzilla.novell.com/show_bug.cgi?id=669798 https://bugzilla.novell.com/show_bug.cgi?id=669798#c0 Summary: Kernel 2.6.38-rc3 regresses to black screen on boot Classification: openSUSE Product: openSUSE 11.4 Version: Factory Platform: x86-64 OS/Version: openSUSE 11.3 Status: NEW Severity: Major Priority: P5 - None Component: Kernel AssignedTo: kernel-maintainers@forge.provo.novell.com ReportedBy: Sean.D.McNally@GMail.com QAContact: qa@suse.de Found By: --- Blocker: --- User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.13) Gecko/20101203 SUSE/3.6.13-3.1 Firefox/3.6.13 Kernels 2.6.38-rc1 and -rc2 from the /HEAD repositories correctly booted on an Intel i5 Arrandale with Ironlake graphics (Intel GMA HD), resolving the "black screen" on boot. Problem originally reported on Dell e6510 (bug # 29728). Kernel 2.6.38-rc3 reverts to pre-2.6.38 behavior, reverting to the "black screen" after inteldrmfb. Reproducible: Always Steps to Reproduce: 1. Boot kernel 2.6.38-rc3-3.1 on a Intel i3 or i5 with integrated graphics 2. 3. Actual Results: Results in the previously (2.6.34, .36 and .37 kernel) experienced "black screen" Expected Results: Expected (at least) the behavior exhibited by kernels 2.6.38-rc1 and -rc2. Although the graphics transition flickered for a moment, the display continued to operate in correct form (full geometry, and not black). Problem appears to be a regression. See bug #29278 for history. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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--- Comment #1 from Martin Seidler
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Sean McNally
Is this a bugreport for 11.3 or for 11.4 or for both?
I can confirm that the actual '.38 kernel is not working for me with 11.4 factory-tested - the magic keys were not working ether. But for me it was no '.38er regression - the one before was not working ether (but in '.37 only severe problems with pae )
i | kernel-default | package | 2.6.38-rc3.3.1 | i586 | Kernel: HEAD openSUSE_Factory i | kernel-default | package | 2.6.38-rc2.1.2 | i586 | (System Packages)
openSUSE factory-tested GNOME 2.32.1; Samsung X20 Pentium M 740 Intel 915GM 1400x1050
Confirm this bug report for 11.3 and 11.4. On 11.3, kernel 2.6.38-rc3.3.1 from kernel/HEAD/openSUSE_11.3, date 04-Feb-2011 @ 1141. On 11.4, kernel 2.6.38-rc3.3.1 from kernel/HEAD/opeSUSE_Factory, date 05-Feb-2011 @ 0145. In each case, re-boot with kernel 2.6.38-rc2-2.2 restored proper boot (absence of "black screen"). Behavior of 2.6.38-rc3 kernels mimics 2.6.37 and prior kernels. PC is Gateway NV79 i5-430, 4GB, Intel GMA HD. Graphics is commonly referred to as "Ironlake: with Arrandale processor. Earlier bugs reported against Dell e6510, however problem is more expansive (ref bug 29278). -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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Jeff Mahoney
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Sean McNally
Thanks for testing.
Can you reproduce it with kernel-vanilla?
Sorry for the delays .... On 11.4: kernel 2.6.38-rc3.3.1 vanilla exhibits the same behavior ("black screen") as kernel desktop from kernel/HEAD. Please note: in every case, lid closure/reopening immediately following "black" screen will restore the dispaly in proper form, and boot continues. Continuance to the DE login screen without the lid closure/reopening requires a workspace switch: ctrl+alt+F2 close lid reopen lid ctrl+alt+F1 ctrl+alt+f7 (<--- not always required) Further, with each -rc3 kernel, power management enters a behavior loop during "suspend": suspend recover (as above) prompt for permission suspend Only method of recovery is re-boot. I will test on 11.3 shortly and post back. Note: The -rc3 kernel is definitely faster (over -rc2) during boot and in subsequent activity. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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--- Comment #5 from Sean McNally
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--- Comment #6 from Martin Seidler
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Jeff Mahoney
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--- Comment #8 from Sean McNally
Ok, thanks for the feedback. This isolates the openSUSE patch set and identifies a defect in the upstream kernel. Please file a report with the upstream kernel bug tracker at bugzilla.kernel.org linking to this one.
We can close this once that report is resolved.
On 11.3 standard from DVD, 11.4 MS5 (updated to MS6) and 11. MS5 (fresh from DVD), all kernels post 2.6.36-rc2-2.2 boot into black screen. The kernels include 2.6.38-rc3-3.3, -rc3-3.4, -rc3-4.1, and -rc4-r.5 kernel types desktop and vanilla. No testing has been done on -default or -pae kernels, Kernel 2.6.38-rc2 continues to boot satisfactorily. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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Jeff Mahoney
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--- Comment #10 from Sean McNally
(In reply to comment #7)
Ok, thanks for the feedback. This isolates the openSUSE patch set and identifies a defect in the upstream kernel. Please file a report with the upstream kernel bug tracker at bugzilla.kernel.org linking to this one.
We can close this once that report is resolved.
On 11.3 standard from DVD, 11.4 MS5 (updated to MS6) and 11. MS5 (fresh from DVD), all kernels post 2.6.36-rc2-2.2 boot into black screen. The kernels include
2.6.38-rc3-3.3, -rc3-3.4, -rc3-4.1, and -rc4-r.5
kernel types desktop and vanilla. No testing has been done on -default or -pae kernels,
Kernel 2.6.38-rc2 continues to boot satisfactorily.
This bug remains open with Status=NEEDINFO. I hope that this status is not waiting on action(gs) by me. Updating status: same regressed "black screen" continues to present in kernels 2.6.38-rc5 (all) and 2.6.38-rc6 (all). Kernel 2.6.38-rc2 continues to boot cleanly (without the "black screen). I am concerned with bug # 29278 (https://bugs.freedesktop.org/show_bug.cgi?id=29278), as remarks therein suggest that this problem may not be resolved until kernel 2.6.39. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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Egbert Eich
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Egbert Eich
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Melchior FRANZ
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--- Comment #13 from Sean McNally
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Sara Fauzia
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Sean McNally
Updating status: same regressed "black screen" continues to present in kernels through 2.6.38-27 (inclusive, with exception of 2.6.38-rc6-16).
Kernel 2.6.38-rc2 continues to boo-16t cleanly (without the "black screen).
With exception of kernel 2.6.38-rc6-16, each "black screen" at boot is recoverable by lid closure/reopening.
Install of kernel 2.6.39-27 (the "release" kernel?) exhibits the same "black screen" behavior. As this behavior has been presented in every kernel since 2.6.38-rc2, I am posting to this bug. In bug 29278 (freedesktop), allusion was made to possible incorporation in kernel 2.6.39. Apparently, the various commits did not make this cut, as the problem persists. The problem is not just the recoverable "black screen" during boot, but more significantly, the severe compromise of power management, as suspend, hibernation, lid closure and display brightness/power manifested. I have amended the bug title text to reflect the current kernel. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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--- Comment #16 from Sara Fauzia
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--- Comment #17 from Melchior FRANZ
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--- Comment #18 from Sean McNally
This issue has been resolved in kernel 2.6.39.1-1 in ArchLinux. Perfect boot, no need to close the lid.
Problem is NOT resolved up through kernel 3.0.0rc5. FWIW, as stated in original bug report, problem had been previously resolved in kernels 2.6.38-rc1 and -rc2. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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--- Comment #19 from Sean McNally
(In reply to comment #16)
This issue has been resolved in kernel 2.6.39.1-1 in ArchLinux. Perfect boot, no need to close the lid.
Problem is NOT resolved up through kernel 3.0.0rc5. FWIW, as stated in original bug report, problem had been previously resolved in kernels 2.6.38-rc1 and -rc2.
Further update: Problem persists through Kernel 3.0.0-7, presents in kernel versions: desktop, default and vanilla, all x86-64. Observation: entry of "vga=ask" in GRUB presents only the VESA modes (i.e.: x0317 = 1024x768/16 bit). The two kernels that CORRECTLY booted (2.6.38-rc1/rc2) presented the entire range of available video modes. However, ..., when the failing kernels were tested on an Ubuntu GRUB2, the problem manifests exactly the same. The only resolutions found to work: 1. Closure/re-opening of the lid. (Depending on Power Management settings, the timing of this action is problematical). 2. ctrl+alt+F2, close/reopen, ctrl+alt+f1. Unfortunately, this sequence is not a 100% circumvention. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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Sean McNally
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Jeff Mahoney
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