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SubjectRe: 2.6.25-mm1
On Fri, Apr 18, 2008 at 01:47:57AM -0700, Andrew Morton wrote:
>
> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.25/2.6.25-mm1/

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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