I needed to patch two things to get 2.6.15-rc1 to build on an x86-64
system running PLD linux:
diff -ru linux-2.6.15-rc1/arch/um/Kconfig.x86_64
linux-2.6.15-rc1-new/arch/um/Kconfig.x86_64
--- linux-2.6.15-rc1/arch/um/Kconfig.x86_64 2005-11-13 02:08:34.318108152 +0100
+++ linux-2.6.15-rc1-new/arch/um/Kconfig.x86_64 2005-11-13 01:55:47.761861224
+0100
@@ -9,7 +9,7 @@
#XXX: this is so in the underlying arch, but it's wrong!!!
config RWSEM_GENERIC_SPINLOCK
bool
- default y
+ default n
config SEMAPHORE_SLEEPERS
bool
diff -ru linux-2.6.15-rc1/arch/um/Makefile linux-2.6.15-rc1-new/arch/um/Makefile
--- linux-2.6.15-rc1/arch/um/Makefile 2005-11-13 02:08:34.318108152 +0100
+++ linux-2.6.15-rc1-new/arch/um/Makefile 2005-11-13 02:01:11.364014056 +0100
@@ -107,7 +107,7 @@
prepare: $(ARCH_DIR)/include/kern_constants.h
LINK-$(CONFIG_LD_SCRIPT_STATIC) += -static
-LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib
+LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib64
CPP_MODE-$(CONFIG_MODE_TT) := -DMODE_TT
CONFIG_KERNEL_STACK_ORDER ?= 2
Then I ran it with my standard ./linux rootfstype=hostfs rw init=/bin/sh
and got the following:
Kernel command line: rootfstype=hostfs rw init=/bin/sh root=98:0
PID hash table entries: 256 (order: 8, 8192 bytes)
Dentry cache hash table entries: 8192 (order: 4, 65536 bytes)
Inode-cache hash table entries: 4096 (order: 3, 32768 bytes)
Memory: 30208k available
Mount-cache hash table entries: 256
Checking that host ptys support output SIGIO...Yes
Checking that host ptys support SIGIO on close...No, enabling workaround
Checking for /dev/anon on the host...Not available (open failed with errno 2)
Linux NoNET1.0 for Linux 2.6
Using 2.6 host AIO
io scheduler noop registered
loop: loaded (max 8 devices)
Initialized stdio console driver
Console initialized on /dev/tty0
Failed to open 'root_fs', errno = 2
VFS: Mounted root (hostfs filesystem).
Stub registers -
0 - 9090909090909090
1 - 9090909090909090
2 - 9090909090909090
3 - 9090909090909090
4 - 9090909090909090
5 - 9090909090909090
6 - 9090909090909090
7 - 9090909090909090
8 - 9090909090909090
9 - 9090909090909090
10 - 0
11 - 9090909090909090
12 - 9090909090909090
13 - 9090909090909090
14 - 9090909090909090
15 - ffffffffffffffff
16 - 9090909090909090
17 - 33
18 - 292
19 - 9090909090909090
20 - 2b
...
[Remaining registers omitted because Jeff's debug patch iterates with the
wrong constants. The corrected version produced only the first 20.]
...
Kernel panic - not syncing: get_skas_faultinfo : failed to wait for
SIGUSR1/SIGTRAP, pid = 10090, n = 10090, errno = 0, status = 0xb7f
Pid: 1, comm: sh Not tainted 2.6.15-rc1
RIP: 0033:[<0000000040000ac0>]
RSP: 0000007f7facdfe0 EFLAGS: 00010212
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Call Trace:
6018b6a8: [<60014cba>] panic_exit+0x2a/0x50
6018b6b8: [<60033dff>] notifier_call_chain+0x1f/0x40
6018b6d8: [<6002479f>] panic+0xcf/0x170
6018b6f8: [<6001223c>] set_signals+0x6c/0x130
6018b750: [<60018370>] copy_chunk_to_user+0x0/0x40
6018b7b8: [<60016274>] wait_stub_done+0xd4/0x160
6018b948: [<6008b0fa>] load_elf_binary+0xfa/0x10a0
6018bb08: [<60012157>] enable_mask+0x47/0x70
6018bb28: [<6001223c>] set_signals+0x6c/0x130
6018bbd8: [<6006c508>] do_execve+0x198/0x220
6018bbf0: [<6000da40>] init+0x0/0x180
6018bbf8: [<6001053f>] current_cmd+0x3f/0x70
6018bc30: [<6000da40>] init+0x0/0x180
6018bc38: [<60014669>] do_longjmp+0x9/0x20
6018bc48: [<6000e137>] um_execve+0x47/0x50
6018bc78: [<6000da40>] init+0x0/0x180
6018bd08: [<6001f8d2>] run_kernel_thread+0x52/0xa0
6018bd38: [<6001635a>] get_skas_faultinfo+0x5a/0x70
6018bd48: [<60017e53>] user_signal+0x63/0x90
6018bd68: [<6001691f>] userspace+0x14f/0x1c0
6018bdb0: [<6000da40>] init+0x0/0x180
6018bdc0: [<6000da40>] init+0x0/0x180
6018bdd8: [<600174d7>] new_thread_handler+0x107/0x140
-------------------------------------------------------
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