On 11/02/2009 10:50 PM, John David Anglin wrote:
On 11/02/2009 03:34 AM, John David Anglin wrote:
On Sun, 01 Nov 2009, John David Anglin wrote:
On Sun, 01 Nov 2009, John David Anglin wrote:
On Fri, 30 Oct 2009, Helge Deller wrote:
But when compiling the kernel something is still wrong.
I tried it a few times now, recompiled binutils, the kernel and so on.
I'm not 100% sure that I did everything correct, but I still think there is
something wrong...
I believe that you are correct but I think we have another unrelated bug.
It appears that the unwind data is getting messed up in the link of
built-in.o.
It seems the unwind data is being sorted by ld -r.
Does the attached patch fix the problem?
Yes, it does :-)
Thanks for testing! I have built a 32-bit kernel with the revised assembler
and linker, and the readelf -u output looked good to me. I will install
the remaining two changes tonight (the assembler change was installed a couple
of days ago).
I did tested the 64bit version now as well.
It looks good too.
I haven't had a chance to boot the new kernel (waiting for a GCC build
to complete). There is a USB issue that appeared on my c3750 with
2.6.30.9 (2.6.30.8 is ok) and 2.6.31.5. Here is the dmesg output
from 2.6.31.5:
Linux version 2.6.31.5 (root@hiauly6) (gcc version 4.3.4 (Debian 4.3.4-5) ) #6 Sun Nov 1 14:20:36 EST 2009
unwind_init: start = 0x10524000, end = 0x10559a60, entries = 13734
FP[0] enabled: Rev 1 Model 19
The 32-bit Kernel has started...
...
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
...
usbmon: debugfs is not available
ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
ohci_hcd 0000:00:0e.2: OHCI Host Controller
ohci_hcd 0000:00:0e.2: new USB bus registered, assigned bus number 1
ohci_hcd 0000:00:0e.2: irq 1, io mem 0xf4007000
...
usb usb1: configuration #1 chosen from 1 choice
sdb5
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 3 ports detected
...
usb 1-1: new low speed USB device using ohci_hcd and address 2
EXT3-fs: mounted filesystem with writeback data mode.
VFS: Mounted root (ext3 filesystem) readonly on device 8:19.
Freeing unused kernel memory: 124k freed
usb 1-1: configuration #1 chosen from 1 choice
usb 1-2: new low speed USB device using ohci_hcd and address 3
usb 1-2: configuration #1 chosen from 1 choice
sysfs: cannot create duplicate filename '/module/usbhid/sections/.text'
------------[ cut here ]------------
Badness at fs/sysfs/dir.c:487
Yes, this is known.
See here:
http://patchwork.kernel.org/patch/42190/
Would be nice if this could get fixed.
YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI
PSW: 00000000000001000000000000001111 Not tainted
r00-03 0004000f 10576200 101cb5dc 4edc9000
r04-07 ffffffef 4fbb4288 4edc8a88 00074844
r08-11 4f8db000 00000000 00063000 00000064
r12-15 00000124 00067bbb 104c36a0 00000058
r16-19 00068fc8 00000062 4fbb4148 10576244
r20-23 00002b68 4f16bca0 0027f808 ffffffff
r24-27 ffffffff 00002b68 10576240 1055c2d0
r28-31 0000004e 00000000 4fbb4340 102a0244
sr00-03 00000000 00000000 00000000 00000010
sr04-07 00000000 00000000 00000000 00000000
IASQ: 00000000 00000000 IAOQ: 101cb5dc 101cb5e0
IIR: 03ffe01f ISR: 00000000 IOR: 00000000
CPU: 0 CR30: 4fbb4000 CR31: ffffffff
ORIG_R28: 00000001
IAOQ[0]: sysfs_add_one+0x8c/0xb4
IAOQ[1]: sysfs_add_one+0x90/0xb4
RP(r2): sysfs_add_one+0x8c/0xb4
Backtrace:
[<101cadb0>] sysfs_add_file_mode+0x58/0xb4
[<101cd4b4>] internal_create_group+0x118/0x1dc
[<10158434>] load_module+0xf14/0x1214
input: Logitech N48 as /devices/parisc/10/10:0/pci0000:00/0000:00:0e.2/usb1/1-1/1-1:1.0/input/input0
generic-usb 0003:046D:C001.0001: input: USB HID v1.00 Mouse [Logitech N48] on usb-0000:00:0e.2-1/input0
input: SILITEK USB Keyboard and Mouse as /devices/parisc/10/10:0/pci0000:00/0000:00:0e.2/usb1/1-2/1-2:1.0/input/input1
generic-usb 0003:047B:0002.0002: input: USB HID v1.00 Keyboard [SILITEK USB Keyboard and Mouse] on usb-0000:00:0e.2-2/input0
input: SILITEK USB Keyboard and Mouse as /devices/parisc/10/10:0/pci0000:00/0000:00:0e.2/usb1/1-2/1-2:1.1/input/input2
generic-usb 0003:047B:0002.0003: input: USB HID v1.00 Mouse [SILITEK USB Keyboard and Mouse] on usb-0000:00:0e.2-2/input1
usbcore: registered new interface driver usbhid
usbhid: v2.6:USB HID core driver
...
As you can see, there is a USB mouse and keyboard. Want to see backtrace
with new assembler and linker. However, at the least the first part is
consistent with the sysfs warning.
I have the same keyboard and mouse attached to my c3000.
I "upgraded" this system to testing last weekend. The keyboard is broken
under X. In gdm/kdm, one has to press a key twice. The Xorg.0.log seems
ok:
(**) Option "CoreKeyboard"
(**) Generic Keyboard: always reports core events
(**) Option "Protocol" "standard"
(**) Generic Keyboard: Protocol: standard
(**) Option "AutoRepeat" "500 30"
(**) Option "XkbRules" "xorg"
(**) Generic Keyboard: XkbRules: "xorg"
(**) Option "XkbModel" "pc104"
(**) Generic Keyboard: XkbModel: "pc104"
(**) Option "XkbLayout" "us"
(**) Generic Keyboard: XkbLayout: "us"
(**) Option "CustomKeycodes" "off"
(**) Generic Keyboard: CustomKeycodes disabled
(II) XINPUT: Adding extended input device "Generic Keyboard" (type: KEYBOARD)
Mouse works ok.
Thoughts?
No idea, as I only netboot my c3000 and normally don't work in front of those PA boxes.
I'll test if I see the same issues...
Did you tried bisecting 2.6.30.8 and 2.6.30.9 ?
Helge
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