Andrew James Wade <[email protected]> wrote:
>
> Hello, my kernel crashes on boot with the following BUG():
Indeed it will.
> ENABLING IO-APIC IRQs
> ..TIMER: vector=0x31 pin1=2 pin2=-1
> softlockup thread 0 started up.
> NET: Registered protocol family 16
> ------------[ cut here ]------------
> kernel BUG at kernel/sched.c:2888!
> invalid operand: 0000 [#1]
> PREEMPT
> last sysfs file:
> CPU: 0
> EIP: 0060:[<c0116745>] Not tainted VLI
> EFLAGS: 00010202 (2.6.13-rc3-mm2)
> EIP is at sub_preempt_count+0x35/0x40
> eax: dff80000 ebx: 00000000 ecx: 00000001 edx: 00000001
> esi: dffc3d18 edi: 00000000 ebp: dff81f50 esp: dff81f50
> ds: 007b es: 007b ss: 0068
> Process swapper (pid: 1, threadinfo=dff80000 task=c14d9a10)
> Stack: 00000000 c038a5fe 00000000 00000000 00000003 c048f5e0 c048f780 c048f780
> 00000000 dff8d544 c038bcaa 00000000 00000000 c0386d30 dffc3d18 0000000f
> 0000000f dff8d544 00000000 c04f2bf3 00000021 00000021 c04f2e8d 00000000
> Call Trace:
> [<c038a5fe>] netlink_create+0x5e/0x120
> [<c038bcaa>] netlink_kernel_create+0x13a/0x240
> [<c0386d30>] rtnetlink_rcv+0x0/0x390
> [<c04f2bf3>] rtnetlink_init+0x53/0xa0
> [<c04f2e8d>] netlink_proto_init+0x18d/0x200
> [<c04d87db>] do_initcalls+0x2b/0xc0
> [<c015aee5>] kern_mount+0x15/0x19
> [<c01002b0>] init+0x0/0x110
> [<c01002df>] init+0x2f/0x110
> [<c0100f28>] kernel_thread_helper+0x0/0x18
> [<c0100f2d>] kernel_thread_helper+0x5/0x18
> Code: 89 e5 3b 50 14 7f 24 81 fa fe 00 00 00 76 0c b8 00 e0 ff ff 21 e0 29 50 14 c9 c3 80 78 14 00 75 ee 0f 0b 4c 0b 66 50 41 c0 eb e4
> <0f> 0b 48 0b 66 50 41 c0 eb d2 90 55 8b 40 04 89 e5 c9 e9 54 f5
> <0>Kernel panic - not syncing: Attempted to kill init!
>
Unbalanced netlink_table_ungrab() in the netlink stuff in git-net.patch.
--- devel/net/netlink/af_netlink.c~netlink-locking-fix 2005-07-27 14:10:07.000000000 -0700
+++ devel-akpm/net/netlink/af_netlink.c 2005-07-27 14:10:16.000000000 -0700
@@ -349,12 +349,12 @@ static int netlink_create(struct socket
netlink_table_grab();
if (!nl_table[protocol].hash.entries) {
- netlink_table_ungrab();
#ifdef CONFIG_KMOD
/* We do 'best effort'. If we find a matching module,
* it is loaded. If not, we don't return an error to
* allow pure userspace<->userspace communication. -HW
*/
+ netlink_table_ungrab();
request_module("net-pf-%d-proto-%d", PF_NETLINK, protocol);
netlink_table_grab();
#endif
_
-
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