[uml-devel] 2.6.15-rc2

["Michael Richardson" <mcr@sandelman.ottawa.on.ca>]

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Running a kernel which is not 2.6.15-rc2 (but a couple of merges back,
looking for a place where it works), I get:


Initializing software serial port version 1
Failed to open 'root_fs', errno = 2
RAMDISK: cramfs filesystem found at block 0
RAMDISK: Loading 1228KiB [1 disk] into ram disk... done.
VFS: Mounted root (cramfs filesystem) readonly.
Stub registers -
        0 - bffff000
        1 - 1000
        2 - 3
        3 - 11
        4 - 3
        5 - 0
        6 - bffff000
        7 - 7b
        8 - 7b
        9 - 0
        10 - 0
        11 - ffffffff
        12 - bfffe092
        13 - 73
        14 - 10246
        15 - bffff7fc
        16 - 7b
Kernel panic - not syncing: copy_context_skas0 : failed to wait for SIGUSR1/SIGTRAP, pid = 5136, n = 5136, errno = 0, status = 0xb7f

If I try with "mode=tt", (vs skas0) it boots, but on shutdown, I get:

EIP: 0073:[<40101e18>] CPU: 0 Not tainted ESP: 007b:bf8cec8c EFLAGS: 00000246
    Not tainted
EAX: ffffffda EBX: 40189880 ECX: ffffffff EDX: 00000000
ESI: bf8ced38 EDI: 00000000 EBP: bf8cec98 DS: 007b ES: 007b
a09ff800:  [<a00395bf>] show_regs+0x1cf/0x1e0
a09ff828:  [<a001d25c>] panic_exit+0x2c/0x50
a09ff838:  [<a00506cd>] notifier_call_chain+0x2d/0x50
a09ff858:  [<a003d922>] panic+0x72/0x110
a09ff874:  [<a0022d1e>] wait_stub_done+0xfe/0x180
a09ff8f4:  [<a0023792>] copy_context_skas0+0x1c2/0x270
a09ff9d4:  [<a0022aac>] init_new_context_skas+0x11c/0x1b0
a09ffa08:  [<a003bf97>] copy_mm+0x367/0x3a0
a09ffa50:  [<a003c969>] copy_process+0x499/0xe60
a09ffb40:  [<a003d39e>] do_fork+0x6e/0x1ca
a09ffbac:  [<a001a33b>] sys_fork+0x8b/0xb0
a09ffbe0:  [<a0024512>] handle_syscall+0x112/0x140
a09ffc5c:  [<a0022ed1>] handle_trap+0x31/0x140
a09ffc84:  [<a002357a>] userspace+0x1da/0x230
a09ffce0:  [<a0023f35>] new_thread_handler+0xe5/0x120
a09ffd20:  [<a01cb468>] __restore+0x0/0x8


- -- 
]       ON HUMILITY: to err is human. To moo, bovine.           |  firewalls  [
]   Michael Richardson,    Xelerance Corporation, Ottawa, ON    |net architect[
] mcr@xelerance.com      http://www.sandelman.ottawa.on.ca/mcr/ |device driver[
] panic("Just another Debian GNU/Linux using, kernel hacking, security guy"); [
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