Re: 2.6.17-rc4-mm1 nfsroot build err, looks related to klibc

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Jim Cromie wrote:


Im getting nfsroot build error on 2 configs, both carried forward
from good rc4 and from rc3-mm1 builds.
turning off nfsroot fixes the err.

A little digging suggests the problem is in here:

git-klibc.patch:


I backed out these:

[jimc@harpo lxbuild]$ diff broken-out/series broken-out/nfsroot-fix-series
229,231c229,231
< git-klibc.patch
< git-klibc-alpha-fixes.patch
< git-klibc-ident-fix.patch
---
> # git-klibc.patch
> # git-klibc-alpha-fixes.patch
> # git-klibc-ident-fix.patch

with this it compiled cleanly, but broke on boot
[ 23.133338] eth0: Setting full-duplex based on negotiated link capability. 
[   23.151837] IP-Config: Complete:
[ 23.155028] device=eth0, addr=192.168.42.100, mask=255.255.255.0, gw=192.168.42.1, 
[   23.163329]      host=soekris, domain=, nis-domain=(none),
[ 23.168943] bootserver=192.168.42.1, rootserver=192.168.42.1, rootpath= 
[   23.181928] Looking up port of RPC 100003/2 on 192.168.42.1
[   23.193280] Looking up port of RPC 100005/1 on 192.168.42.1
[   23.295101] TSC appears to be running slowly. Marking it as unstable
[   20.564000] Time: pit clocksource has been installed.
[   42.836000] portmap: server localhost not responding, timed out
[   42.840000] RPC: failed to contact portmap (errno -5).
[   77.852000] portmap: server localhost not responding, timed out
[   77.856000] RPC: failed to contact portmap (errno -5).
[  112.864000] portmap: server localhost not responding, timed out
[  112.868000] RPC: failed to contact portmap (errno -5).
[ 112.876000] BUG: unable to handle kernel NULL pointer dereference at virtual address 00000000 
[  112.884000]  printing eip:
[  112.888000] c01d4523
[  112.888000] *pde = 00000000
[  112.892000] Oops: 0000 [#1]
[  112.892000] last sysfs file:
[  112.892000] Modules linked in:
[  112.892000] CPU:    0
[  112.892000] EIP:    0060:[<c01d4523>]    Not tainted VLI
[  112.892000] EFLAGS: 00010286   (2.6.17-rc4-mm1-sk #1)
[  112.892000] EIP is at _atomic_dec_and_lock+0xf/0x44
[  112.892000] eax: c02fc508   ebx: 00000000   ecx: 00000000   edx: 000000c0
[  112.892000] esi: fffffff4   edi: fffffff4   ebp: c113bcec   esp: c113bce8
[  112.892000] ds: 007b   es: 007b   ss: 0068
[  112.892000] Process idle (pid: 1, threadinfo=c113a000 task=c11395b0)
[ 112.892000] Stack: <0>00000000 c113bd00 c0199545 00000000 c02fc508 c12c2c14 c113bd10 c0199a21 [ 112.892000] 00000000 c113bd66 c113bd40 c019a56a c12c2c14 c12c2c14 c112b4d0 c113bd44 [ 112.892000] c015bfa0 00000004 00000001 c113bd66 00000060 c113bde8 c113bdf4 c01a0162 
[  112.892000] Call Trace:
[ 112.892000] <c0102fe2> show_stack_log_lvl+0x8b/0x95 <c010315f> show_registers+0x124/0x18a [ 112.892000] <c0103420> die+0x14d/0x20f <c010c76d> do_page_fault+0x438/0x52e [ 112.892000] <c0102b7f> error_code+0x4f/0x60 <c0199545> nfs_put_client+0x2a/0x9f [ 112.892000] <c0199a21> nfs_free_server+0xae/0xd4 <c019a56a> nfs_create_server+0x46e/0x47d [ 112.892000] <c01a0162> nfs_get_sb+0x458/0x475 <c014cb4d> vfs_kern_mount+0x34/0x95 [ 112.892000] <c014cbea> do_kern_mount+0x28/0x3c <c015fef2> do_mount+0x5d7/0x621 [ 112.892000] <c015ffa8> sys_mount+0x6c/0xa6 <c036a6be> do_mount_root+0x13/0x8c [ 112.892000] <c036a92e> mount_root+0x6d/0xd9 <c036aa1c> prepare_namespace+0x82/0xae [ 112.892000] <c01003d9> init+0x13a/0x1ed <c0101005> kernel_thread_helper+0x5/0xb [ 112.892000] Code: d1 0a c1 e2 0a 8d 43 01 0f a4 d1 0a c1 e2 0a 89 06 8d 65 f8 89 d0 89 ca 5b 5e 5d c3 55 89 e5 53 8b 5d 08 8b 45 0c e8 8f dd 0c 00 <8b> 03 85 c0 75 10 68 d4 56 2b c0 e8 7d d8 f3 ff e8 e9 ea f2 ff [ 112.892000] EIP: [<c01d4523>] _atomic_dec_and_lock+0xf/0x44 SS:ESP 0068:c113bce8 
[  112.892000]  <0>Kernel panic - not syncing: Attempted to kill init!
[  112.900000]  <0>Rebooting in 5 seconds..

POST: 0123456789bcefghipajklnopq,,,tvwxy

If theres more I should try, send, etc, please let me know.

thanks
Jim Cromie
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