Hi all,
I'm a UML newbie and I have been trying to get a UML system running on a FC5 host with the 2.6.18 kernel, but I seem to be stuck. I compiled a 2.6.18 guest kernel with the ARCH=um and the mainline-jmpbuf-akpm patch applied (without this 'make' would fail). I have also created a guest filesystem and loaded the FC5 Base packages using yum.
When I attempt to start the UML instance, the guest system hangs after the following log messages are displayed:
TCP bic registered
NET: Registered protocol family 1
NET: Registered protocol family 17
Initialized stdio console driver
Console initialized on /dev/tty0
Initializing software serial port version 1
ubda: unknown partition table
kjournald starting. Commit interval 5 seconds
EXT3-fs: mounted filesystem with ordered data mode.
VFS: Mounted root (ext3 filesystem) readonly.
^ Hangs here until I kill the guest kernel process. After killing the process the following gets logged:
Failed to get registers from stub, errno = 3
Kernel panic - not syncing: get_skas_faultinfo : failed to wait for SIGUSR1/SIGTRAP, pid = 2001, n = 2001, errno = 0, status = 0x9
EIP: 0073:[<b7f38400>] CPU: 0 Not tainted ESP: 007b:bfbf1df8 EFLAGS: 00010246
Not tainted
EAX: 00000021 EBX: 40075364 ECX: 00000000 EDX: 40078ff4
ESI: 40078ee0 EDI: 00000000 EBP: bfbf1e68 DS: 007b ES: 007b
08897b78: [<0806afc4>] show_regs+0xb4/0xb9
08897ba4: [<08059623>] panic_exit+0x25/0x3f
08897bb8: [<0807b348>] notifier_call_chain+0x1d/0x37
08897bd8: [<0807b3d2>] atomic_notifier_call_chain+0x11/0x13
08897bec: [<0806f7be>] panic+0x52/0xd8
08897c0c: [<080681a9>] wait_stub_done+0xeb/0xf6
08897c80: [<08068327>] get_skas_faultinfo+0x57/0x6d
08897c98: [<080689b8>] user_signal+0x34/0x4c
08897cb0: [<08068551>] userspace+0x214/0x240
08897d00: [<08059a1a>] new_thread_handler+0x9c/0xab
08897d1c: [<b7f38420>] 0xb7f38420
I downloaded a 2.6.18 kernel and FC5 filesystem from Antoine Martin's website and I see the same behavior. Are there any known issues with running a 2.6.18 guest system with FC5 on a 2.6.18 host system with FC5?
Sorry for the long post, let me know if there is additional information I can provide that will help debug what is not working. Thanks!
-mike
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