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Re: 2.6.25-mm1

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To: Andrew Morton <akpm@...>
Cc: <linux-kernel@...>
Date: Friday, April 18, 2008 - 11:10 pm

On Fri, Apr 18, 2008 at 01:47:57AM -0700, Andrew Morton wrote:

New, in 2.6.25-mm1 is a hang I'm seeing, just after the kernel prints:

"[    0.160375] NET: Registered protocol family 16"

The hang lasts about five minutes, and then boot continues.  Just
after that, a backtrace is printed; I don't know if it's related.  The
backtrace will follow.

This does not occur in mainline.  It seems it might be related to OLPC
support -- I enabled all those options -- but that's not good
behavior, and I see no warning of thus in the help.

I'm sending a number or reports against 2.6.25-mm1, so I've put my
dmesg and .config on a server:

http://home.columbus.rr.com/jfannin3/dmesg.txt
http://home.columbus.rr.com/jfannin3/config-2.6.25-mm1.txt

[    0.160375] NET: Registered protocol family 16
[  400.782683] ------------[ cut here ]------------
[  400.782832] WARNING: at arch/x86/mm/ioremap.c:158 __ioremap_caller+0x27d/0x2e0()
[  400.783022] Modules linked in:
[  400.783169] Pid: 1, comm: swapper Not tainted 2.6.25-mm1 #7
[  400.783300]  [<c0130fa9>] warn_on_slowpath+0x59/0x80
[  400.783480]  [<c0106c2e>] ? profile_pc+0x3e/0x50
[  400.783682]  [<c01374ee>] ? irq_exit+0x4e/0xa0
[  400.783879]  [<c0115aec>] ? smp_apic_timer_interrupt+0x5c/0x90
[  400.784087]  [<c024314c>] ? trace_hardirqs_on_thunk+0xc/0x10
[  400.784298]  [<c01552cd>] ? trace_hardirqs_on_caller+0xcd/0x150
[  400.784506]  [<c024314c>] ? trace_hardirqs_on_thunk+0xc/0x10
[  400.784706]  [<c010416c>] ? restore_nocheck_notrace+0x0/0xe
[  400.784906]  [<c011d0e6>] ? page_is_ram+0xa6/0xd0
[  400.785059]  [<c011d4ed>] __ioremap_caller+0x27d/0x2e0
[  400.785221]  [<c03569d8>] ? _spin_unlock_irqrestore+0x48/0x80
[  400.785421]  [<c017f4cd>] ? ftrace_record_ip+0x7d/0x250
[  400.785621]  [<c0474801>] ? olpc_init+0x31/0x140
[  400.785817]  [<c011d59f>] ioremap_nocache+0x1f/0x30
[  400.785976]  [<c0474801>] ? olpc_init+0x31/0x140
[  400.786165]  [<c0474801>] olpc_init+0x31/0x140
[  400.786318]  [<c0464992>] kernel_init+0x142/0x2d0
[  400.786479]  [<c01552cd>] ? trace_hardirqs_on_caller+0xcd/0x150
[  400.786680]  [<c010416c>] ? restore_nocheck_notrace+0x0/0xe
[  400.786879]  [<c0464850>] ? kernel_init+0x0/0x2d0
[  400.787069]  [<c0464850>] ? kernel_init+0x0/0x2d0
[  400.787260]  [<c0104d9b>] kernel_thread_helper+0x7/0x10
[  400.787422]  =======================
[  400.787727] ---[ end trace 4eaa2a86a8e2da22 ]---

--
Joseph Fannin
jfannin@gmail.com

--
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Messages in current thread:
2.6.25-mm1, Andrew Morton, (Fri Apr 18, 4:47 am)
[Was: 2.6.25-mm1], Jiri Slaby, (Mon Apr 21, 4:31 am)
Re: [Was: 2.6.25-mm1], Al Viro, (Mon Apr 21, 5:06 am)
fault in __d_lookup [Was: 2.6.25-mm1], Jiri Slaby, (Mon Apr 21, 5:37 am)
Re: fault in __d_lookup [Was: 2.6.25-mm1], Al Viro, (Mon Apr 21, 5:45 am)
Re: fault in __d_lookup [Was: 2.6.25-mm1], Jiri Slaby, (Mon Apr 21, 5:59 am)
Re: fault in __d_lookup [Was: 2.6.25-mm1], Matthew Wilcox, (Mon Apr 21, 1:23 pm)
Re: fault in __d_lookup [Was: 2.6.25-mm1], Rafael J. Wysocki, (Mon Apr 21, 9:42 am)
internal compiler error: SIGSEGV [Was: 2.6.25-mm1], Jiri Slaby, (Sun Apr 20, 7:29 am)
Re: 2.6.25-mm1, Joseph Fannin, (Fri Apr 18, 11:10 pm)
Re: 2.6.25-mm1, Andrew Morton, (Fri Apr 18, 11:29 pm)
Re: 2.6.25-mm1, Arjan van de Ven, (Sat Apr 19, 2:21 pm)
Re: 2.6.25-mm1, Andres Salomon, (Sat Apr 19, 9:25 am)
Re: 2.6.25-mm1, Andrew Morton, (Sat Apr 19, 1:38 pm)
Re: 2.6.25-mm1, Andres Salomon, (Sat Apr 19, 1:50 pm)
Re: 2.6.25-mm1, Jordan Crouse, (Mon Apr 21, 10:56 am)
Re: 2.6.25-mm1, Andres Salomon, (Mon Apr 21, 11:05 am)
Re: 2.6.25-mm1, Jordan Crouse, (Mon Apr 21, 11:12 am)
[PATCH 2/2] OLPC: drop pre-OpenFirmware workarounds, Andres Salomon, (Sat Apr 19, 1:39 pm)
Re: OLPC: only check for OFW signature on VSA-less Geodes, Jordan Crouse, (Mon Apr 21, 5:17 pm)
Re: OLPC: Add support for calling into Open Firmware, Jordan Crouse, (Mon Apr 21, 11:05 am)
Re: OLPC: Add support for calling into Open Firmware, H. Peter Anvin, (Mon Apr 21, 10:58 am)
Re: 2.6.25-mm1, Joseph Fannin, (Fri Apr 18, 10:25 pm)
Re: 2.6.25-mm1, Andrew Morton, (Fri Apr 18, 11:08 pm)
Re: 2.6.25-mm1, Joseph Fannin, (Fri Apr 18, 10:13 pm)
Re: 2.6.25-mm1, Andrew Morton, (Fri Apr 18, 11:02 pm)
Re: 2.6.25-mm1, Dmitry Torokhov, (Sat Apr 19, 12:14 am)
Re: 2.6.25-mm1, Andrew Morton, (Sat Apr 19, 12:29 am)
Re: 2.6.25-mm1, Takashi Iwai, (Mon Apr 21, 10:06 am)
Re: 2.6.25-mm1 (snd-pcsp doesn't like DEBUG_PAGEALLOC), Stas Sergeev, (Mon Apr 21, 1:55 pm)
Re: 2.6.25-mm1 (snd-pcsp doesn't like DEBUG_PAGEALLOC), Takashi Iwai, (Tue Apr 22, 6:13 am)
Re: 2.6.25-mm1 (snd-pcsp doesn't like DEBUG_PAGEALLOC), Stas Sergeev, (Tue Apr 22, 2:31 pm)
Re: 2.6.25-mm1 (snd-pcsp doesn't like DEBUG_PAGEALLOC), Takashi Iwai, (Wed Apr 23, 4:49 am)
Re: 2.6.25-mm1 (snd-pcsp doesn't like DEBUG_PAGEALLOC), Stas Sergeev, (Wed Apr 23, 4:02 pm)
Re: 2.6.25-mm1 (snd-pcsp doesn't like DEBUG_PAGEALLOC), Takashi Iwai, (Thu Apr 24, 5:40 am)
Re: 2.6.25-mm1 (snd-pcsp doesn't like DEBUG_PAGEALLOC), Stas Sergeev, (Thu Apr 24, 11:51 pm)
Re: 2.6.25-mm1 (snd-pcsp doesn't like DEBUG_PAGEALLOC), Takashi Iwai, (Fri Apr 25, 2:28 am)
Re: 2.6.25-mm1 (snd-pcsp doesn't like DEBUG_PAGEALLOC), Stas Sergeev, (Fri Apr 25, 12:45 pm)
Re: 2.6.25-mm1 (snd-pcsp doesn't like DEBUG_PAGEALLOC), Dmitry Torokhov, (Fri Apr 25, 2:09 pm)
Re: 2.6.25-mm1 (snd-pcsp doesn't like DEBUG_PAGEALLOC), Stas Sergeev, (Fri Apr 25, 2:31 pm)
Re: 2.6.25-mm1 (snd-pcsp doesn't like DEBUG_PAGEALLOC), Dmitry Torokhov, (Fri Apr 25, 2:37 pm)
Re: 2.6.25-mm1 (snd-pcsp doesn't like DEBUG_PAGEALLOC), Takashi Iwai, (Fri Apr 25, 12:51 pm)
Re: 2.6.25-mm1 (snd-pcsp doesn't like DEBUG_PAGEALLOC), Takashi Iwai, (Fri May 2, 12:44 pm)
Re: 2.6.25-mm1 (snd-pcsp doesn't like DEBUG_PAGEALLOC), Stas Sergeev, (Fri May 2, 12:57 pm)
Re: 2.6.25-mm1 (snd-pcsp doesn't like DEBUG_PAGEALLOC), Takashi Iwai, (Tue May 6, 6:20 am)
Re: 2.6.25-mm1 (snd-pcsp doesn't like DEBUG_PAGEALLOC), Stas Sergeev, (Tue May 6, 12:51 pm)
Re: 2.6.25-mm1 (snd-pcsp doesn't like DEBUG_PAGEALLOC), Stas Sergeev, (Fri Apr 25, 1:25 pm)
Re: 2.6.25-mm1 (snd-pcsp doesn't like DEBUG_PAGEALLOC), Takashi Iwai, (Wed Apr 23, 10:18 am)
Re: 2.6.25-mm1 (snd-pcsp doesn't like DEBUG_PAGEALLOC), Dmitry Torokhov, (Tue Apr 22, 10:01 am)
Re: 2.6.25-mm1 (snd-pcsp doesn't like DEBUG_PAGEALLOC), Stas Sergeev, (Tue Apr 22, 12:42 pm)
Re: 2.6.25-mm1, Takashi Iwai, (Mon Apr 21, 7:07 am)
Re: 2.6.25-mm1, Stas Sergeev, (Mon Apr 21, 3:45 pm)
Re: 2.6.25-mm1 (snd-pcsp causes driver conflict), Stas Sergeev, (Mon Apr 21, 1:44 pm)
Re: 2.6.25-mm1 (snd-pcsp causes driver conflict), Takashi Iwai, (Tue Apr 22, 6:09 am)
Re: 2.6.25-mm1 (snd-pcsp causes driver conflict), Stas Sergeev, (Tue Apr 22, 1:54 pm)
Re: 2.6.25-mm1 (snd-pcsp causes driver conflict), Takashi Iwai, (Wed Apr 23, 4:55 am)
Re: 2.6.25-mm1 (snd-pcsp causes driver conflict), Takashi Iwai, (Wed Apr 23, 10:14 am)
Re: 2.6.25-mm1, Joseph Fannin, (Sat Apr 19, 2:33 am)
2.6.25-mm1: orphaned files after build, Alexey Dobriyan, (Fri Apr 18, 7:09 pm)
Re: 2.6.25-mm1, , (Fri Apr 18, 4:14 pm)
Re: 2.6.25-mm1 (build error: trace selftest), Randy Dunlap, (Fri Apr 18, 12:45 pm)
Re: 2.6.25-mm1 (build error: driver core), Randy Dunlap, (Fri Apr 18, 12:40 pm)
Re: 2.6.25-mm1 (build error: driver core), Greg KH, (Fri Apr 18, 12:56 pm)
Re: 2.6.25-mm1 (build error: driver core), Dan Williams, (Fri Apr 18, 2:38 pm)
StackProtector Oopses - Re: 2.6.25-mm1, Reuben Farrelly, (Fri Apr 18, 9:02 am)
Re: StackProtector Oopses - Re: 2.6.25-mm1, Ingo Molnar, (Fri Apr 18, 9:36 am)
Re: StackProtector Oopses - Re: 2.6.25-mm1, Reuben Farrelly, (Fri Apr 18, 10:49 am)
Re: StackProtector Oopses - Re: 2.6.25-mm1, Ingo Molnar, (Mon Apr 21, 11:06 am)
Re: StackProtector Oopses - Re: 2.6.25-mm1, Arjan van de Ven, (Mon Apr 21, 9:48 pm)
Re: StackProtector Oopses - Re: 2.6.25-mm1, Ingo Molnar, (Tue Apr 22, 4:34 am)
Re: StackProtector Oopses - Re: 2.6.25-mm1, Arjan van de Ven, (Tue Apr 22, 10:29 am)
Re: StackProtector Oopses - Re: 2.6.25-mm1, Arjan van de Ven, (Fri Apr 18, 9:51 am)
Re: StackProtector Oopses - Re: 2.6.25-mm1, Reuben Farrelly, (Fri Apr 18, 10:41 am)
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