I can't run a 64 bit UML on a 2.6.16.9 kernel. I get constantly this error
with various binaries, some of which I'm sure worked on 2.6.15 host (I'm
going to retest):
VFS: Mounted root (ext3 filesystem) readonly.
Warning: unable to open an initial console.
Kernel panic - not syncing: handle_trap - failed to wait at end of syscall,
errno = 0, status = 2943
Modules linked in:
Pid: 1, comm: init Not tainted 2.6.16-bb1
RIP: 0033:[<00000000400101ba>]
RSP: 0000007f7feafde8 EFLAGS: 00000246
RAX: 000000000050a000 RBX: 0000000000000000 RCX: ffffffffffffffff
RDX: 0000000000000026 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000040000000
R10: 0000000040000a18 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000040001dd0 R14: 0000000000000008 R15: 0000000000400040
Call Trace:
6031bc58: [<6000fa4c>] panic_exit+0x27/0x42
6031bc68: [<600312bd>] notifier_call_chain+0x1f/0x2f
6031bc88: [<60023b6e>] panic+0xcf/0x165
6031bcc8: [<60175bb9>] __libc_waitpid+0x39/0xc0
6031bcf8: [<6001be7c>] set_signals+0x14/0x1f
6031bd08: [<6004e99f>] sys_brk+0x100/0x10f
6031bd38: [<6001e040>] move_registers+0x33/0x4a
6031bd68: [<6001ef24>] userspace+0x1f8/0x248
6031bdc0: [<6000a17f>] init+0x0/0x13d
6031bdd8: [<6000ffd0>] new_thread_handler+0x121/0x12f
6031be38: [<601699c0>] __restore_rt+0x0/0x10
6031bee8: [<60169c79>] kill+0x9/0x20
I went looking for ptrace commits in -stable (I didn't check yet between
2.6.15 and 2.6.16) and found that in 2.6.16.6 this was added:
commit 18b1e8193eef97f3ac854276a7c4bacbb1bdfbd1
author Roland McGrath <[EMAIL PROTECTED]> mer, 12 apr 2006 16:30:20 -0700
committer Greg Kroah-Hartman <[EMAIL PROTECTED]> lun, 17 apr 2006 13:16:06 -0700
[PATCH] fix non-leader exec under ptrace
This reverts most of commit 30e0fca6c1d7d26f3f2daa4dd2b12c51dadc778a.
It broke the case of non-leader MT exec when ptraced.
I think the bug it was intended to fix was already addressed by commit
788e05a67c343fa22f2ae1d3ca264e7f15c25eaf.
And:
commit 30e0fca6c1d7d26f3f2daa4dd2b12c51dadc778a
[PATCH] ptrace/coredump/exit_group deadlock
was introduced between 2.6.14 and 2.6.15.
commit 788e05a67c343fa22f2ae1d3ca264e7f15c25eaf
[PATCH] fix do_coredump() vs SIGSTOP race
was introduced between 2.6.13 and 2.6.14.
--
Inform me of my mistakes, so I can keep imitating Homer Simpson's "Doh!".
Paolo Giarrusso, aka Blaisorblade (Skype ID "PaoloGiarrusso", ICQ 215621894)
http://www.user-mode-linux.org/~blaisorblade
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