Messages in this thread | | | Date | Fri, 29 Aug 2003 09:48:51 -0700 | From | Andrew Morton <> | Subject | Re: PROBLEM: JVC MP-XP7210 hangs on boot with 2.6.0-test4 |
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Mario Lang <mlang@delysid.org> wrote: > > I just tried 2.6.0-test4 on my Laptop (JVC MP-XP7210, 256MB RAM, IDE). > However, it hangs on boot. I tried booting with acpi=off and also > with "acpi=off noapic". Both options seem to help nothing, > and the same output appears on all attempts to boot. > > I compiled the kernel with gcc 3.3.2. > > Here is the output I get: > > [<c0 10 92 69>] Kernel_thread_helper+0x5/0xc > Code: 0f ba 6e 24 00 c7 44 24 04 00 00 00 00 89 34 24 e8 25 fa ff > <0> Kernel Panic: Fatal Exception in Interrupt > in interrupt handler - not syncing
There must have been more output than that? Please transcribe some more of the backtrace and send it. Don't worry about all the hex numbers: the important parts are these:
EIP is at i810fb_cursor+0x1da/0x240 [i810fb]
Call Trace: [<...>] apic_timer_interrupt+0x1a/0x20 [<...>] bh_lru_install+0xb5/0x100 [<...>] __find_get_block+0x73/0xf0 [<...>] __getblk+0x2b/0x60 [<...>] is_tree_node+0x6b/0x70 [<...>] search_by_key+0x6f9/0xf30 [<...>] search_for_position_by_key+0x1be/0x3d0 [<...>] apic_timer_interrupt+0x1a/0x20
Also, try stripping your kernel down by unconfiguring drivers and features which are not needed for a successful boot. This will help identify the buggy component.
Also, try adding the string `initcall_debug' to the kernel boot command line. Watch out for the messages "calling initcall 0xNNNNNNNN". Take a note of the final address which is printed before the crash and look it up in the 2.6 kernel's System.map file.
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