> I am seeing as a separate bug the crash during boot that I reported
> last, when I turned on some DEBUG options.
I have narrowed it down to between the following two patches
in *-mm (patch numbers 20 and 90 in 2.6.16-rc5-mm1, roughly):
multiple-exports-of-strpbrk.patch == ok
git-drm.patch == bad
I have to set this aside for now.
As stated before, the bad patch won't boot on my ia64 SN2 Altix
sn2_defconfig plus debug options:
> CONFIG_DEBUG_SLAB=y
> CONFIG_DEBUG_SPINLOCK=y
> CONFIG_DEBUG_SPINLOCK_SLEEP=y
It fails with:
==============
pci_hotplug: PCI Hot Plug PCI Core version: 0.5
SGI Altix RTC Timer: v2.1, 20 MHz
EFI Time Services Driver v0.4
Linux agpgart interface v0.101 (c) Dave Jones
sn_console: Console driver init
ttySG0 at I/O 0x0 (irq = 0) is a SGI SN L1
Unable to handle kernel NULL pointer dereference (address 0000000000000058)
swapper[1]: Oops 8813272891392 [1]
Modules linked in:
Pid: 1, CPU 0, comm: swapper
psr : 0000101008026018 ifs : 800000000000040b ip : [<a0000001001ea8b0>] Not tainted
ip is at sysfs_create_group+0x30/0x2a0
unat: 0000000000000000 pfs : 0000000000000308 rsc : 0000000000000003
rnat: 0000000002000027 bsps: 0000000000000002 pr : 0000000000005649
ldrs: 0000000000000000 ccv : 0000000000000000 fpsr: 0009804c8a70433f
csd : 0000000000000000 ssd : 0000000000000000
b0 : a000000100809190 b6 : e000023002310080 b7 : a0000001008091e0
f6 : 1003e0000000000000000 f7 : 1003e20c49ba5e353f7cf
f8 : 1003e0000000000003398 f9 : 1003e000000000000007f
f10 : 1003e0000000000000000 f11 : 1003e0000000000000000
r1 : a000000100c70d60 r2 : 0000000000000058 r3 : a000000100a866a8
r8 : 0000000000000000 r9 : a000000100c96920 r10 : ffffffffffffffff
r11 : 0000000000000400 r12 : e00002343bd97d50 r13 : e00002343bd90000
r14 : a000000100a87378 r15 : a000000100c96920 r16 : a000000100a866b0
r17 : 00000000000003c0 r18 : 0000000000000001 r19 : 0000000000000002
r20 : ffffffffffffffff r21 : 0000000000000000 r22 : 000000000000000e
r23 : a000000100a72150 r24 : a000000100812c40 r25 : a000000100a72670
r26 : a000000100a88c20 r27 : a0000001008f3b88 r28 : e00002bc3a0432f0
r29 : 0000000000000001 r30 : a0000001007cac58 r31 : a0000001008091e0
Call Trace:
[<a0000001000132c0>] show_stack+0x40/0xa0
sp=e00002343bd978e0 bsp=e00002343bd91278
[<a000000100013af0>] show_regs+0x7d0/0x800
sp=e00002343bd97ab0 bsp=e00002343bd91228
[<a000000100036df0>] die+0x210/0x320
sp=e00002343bd97ab0 bsp=e00002343bd911d8
[<a00000010005a840>] ia64_do_page_fault+0x900/0xa80
sp=e00002343bd97ad0 bsp=e00002343bd91178
[<a00000010000bd00>] ia64_leave_kernel+0x0/0x290
sp=e00002343bd97b80 bsp=e00002343bd91178
[<a0000001001ea8b0>] sysfs_create_group+0x30/0x2a0
sp=e00002343bd97d50 bsp=e00002343bd91120
[<a000000100809190>] topology_cpu_callback+0x70/0xc0
sp=e00002343bd97d60 bsp=e00002343bd910f0
[<a000000100809260>] topology_sysfs_init+0x80/0x120
sp=e00002343bd97d60 bsp=e00002343bd910d0
[<a000000100009860>] init+0x580/0x8e0
sp=e00002343bd97d60 bsp=e00002343bd910a8
[<a000000100011780>] kernel_thread_helper+0xe0/0x100
sp=e00002343bd97e30 bsp=e00002343bd91080
[<a000000100009140>] start_kernel_thread+0x20/0x40
sp=e00002343bd97e30 bsp=e00002343bd91080
<0>Kernel panic - not syncing: Attempted to kill init!
--
I won't rest till it's the best ...
Programmer, Linux Scalability
Paul Jackson <[email protected]> 1.925.600.0401
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