On Sat, Dec 29, 2007 at 11:11:13AM +0530, Dhaval Giani wrote:
> On Fri, Dec 28, 2007 at 09:27:39AM -0500, Vivek Goyal wrote:
> > On Fri, Dec 28, 2007 at 06:15:32PM +0530, Dhaval Giani wrote:
> > > Hi Vivek,
> > >
> > > I can't seem to get the latest -mm (2.6.24-rc6-mm1) to boot with
> > > kexec. It just gets stuck at "Starting new kernel".
> > >
> > > It does boot normally when booted as the first kernel.
> > >
> > > Any hints debugging? (x86 architecture)
> >
> > I generally try few things.
> >
> > - Specify earlyprintk= parameter for second kernel and see if control
> > is reaching to second kernel.
> >
> > - Otherwise specify --console-serial parameter on "kexec -l" commandline
> > and it should display a message "I am in purgatory" on serial console.
> > This will just mean that control has reached at least till purgatory.
> >
>
> Ok, so it reaches till here. I get "I'm in purgatory" on the console.
Hmm..., I just tried kexeing a 2.6.24-rc6-mm1 kernel from 2.6.24-rc6 on a
32bit box and it is working for me. That's a different thing 2.6.24-rc6-mm1
crashes later because of other problems.
Which kexec-tools are you using? I am using kexec-tools-testing-20071030.
Thanks
Vivek
2.6.24-rc6-mm1 boot BUG()
Creating block device nodes.
Creating root device.
end_request: I/O error, dev fd0, sector 0
input: ImPS/2 Generic Wheel Mouse as /class/input/input3
Mounting root filesystem.
end_request: I/O error, dev fd0, sector 0
------------[ cut here ]------------
kernel BUG at fs/buffer.c:1282!
invalid opcode: 0000 [#1] SMP
last sysfs file: /sys/block/hdc/dev
Modules linked in:
Pid: 1, comm: init Not tainted (2.6.24-rc6-mm1 #2)
EIP: 0060:[<c017e98b>] EFLAGS: 00010046 CPU: 0
EIP is at __find_get_block+0x1b/0x143
EAX: 00000086 EBX: 00000000 ECX: 00000400 EDX: 00000001
ESI: 00000001 EDI: f78bc000 EBP: f746e380 ESP: f7823c60
DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
Process init (pid: 1, ti=f7822000 task=f7820000 task.ti=f7822000)
Stack: 00000001 00000000 c014b17e 00000003 0000000a 0000c0d0 c16e2e00 c16e2ee0
f7177000 c16e2e00 c014bec4 00000000 00000001 f78bc000 f746e380 c017ecbd
00000400 00000001 00000000 00000000 00000000 0000c0d0 0000c0d0 c0560798
Call Trace:
[<c014b17e>] __rmqueue+0x13/0x174
[<c014bec4>] get_page_from_freelist+0x2d1/0x344
[<c017ecbd>] __getblk+0x21/0x295
[<c014bfb0>] __alloc_pages+0x67/0x2c5
[<c018089b>] __bread+0xa/0x78
[<c01c2353>] ext3_fill_super+0x138/0x1335
[<c0218d9e>] vsnprintf+0x407/0x445
[<c0218e52>] snprintf+0x1c/0x1f
[<c0194a0d>] disk_name+0x51/0x5b
[<c01665a1>] get_sb_bdev+0xce/0x10c
[<c014bfb0>] __alloc_pages+0x67/0x2c5
[<c0161c26>] __kmalloc+0x2f/0x9b
[<c01c0e06>] ext3_get_sb+0x12/0x16
[<c01c221b>] ext3_fill_super+0x0/0x1335
[<c01660ee>] vfs_kern_mount+0x39/0x72
[<c0166165>] do_kern_mount+0x2f/0xb4
[<c0176b00>] do_mount+0x5bf/0x621
[<c0175b12>] mntput_no_expire+0x11/0x85
[<c016c161>] link_path_walk+0x86/0x8f
[<c02d4e4a>] ide_disk_put+0x1c/0x27
[<c01672d9>] sys_stat64+0xf/0x23
[<c016534a>] put_filp+0x3c/0x9a
[<c014bc5c>] get_page_from_freelist+0x69/0x344
[<c0413309>] mutex_lock+0xb/0x1a
[<c014bfb0>] __alloc_pages+0x67/0x2c5
[<c01757b2>] copy_mount_options+0x26/0x109
[<c0176bcf>] sys_mount+0x6d/0xaa
[<c01038e6>] syscall_call+0x7/0xb
=======================
Code: 24 04 e8 49 f9 fc ff 89 d8 5b 5e 5b 5e 5f 5d c3 55 89 c5 57 56 53 83 ec 2c
89 4c 24 04 8b 4c 24 40 89 14 24 9c 58 f6 c4 02 75 04 <0f> 0b eb fe fa b8 00 bf
5f c0 31 ff 64 8b 15 10 a1 5f c0 01 c2
EIP: [<c017e98b>] __find_get_block+0x1b/0x143 SS:ESP 0068:f7823c60
---[ end trace bca1d6c3657fce65 ]---
Kernel panic - not syncing: Attempted to kill init!
WARNING: at arch/x86/kernel/smp_32.c:475 native_smp_send_reschedule()
Pid: 1, comm: init Tainted: G D 2.6.24-rc6-mm1 #2
[<c0115784>] native_smp_send_reschedule+0x2e/0x4d
[<c011cfae>] resched_task+0x56/0x58
[<c011e420>] resched_cpu+0x3c/0x49
[<c0120e22>] scheduler_tick+0x124/0x198
[<c012bff7>] update_process_times+0x3a/0x44
[<c013b380>] tick_sched_timer+0x73/0xb0
[<c0136c39>] hrtimer_interrupt+0x11f/0x1aa
[<c013b30d>] tick_sched_timer+0x0/0xb0
[<c01178d0>] smp_apic_timer_interrupt+0x69/0x78
[<c010434c>] apic_timer_interrupt+0x28/0x30
[<c041007b>] rpc_pipe_read+0xeb/0x100
[<c01243a4>] panic+0xc6/0xe6
[<c0126d8f>] do_exit+0x6b/0x5a7
[<c0104b74>] die+0x1c5/0x1ca
[<c0104cfd>] do_invalid_op+0x0/0x6b
[<c0104d5f>] do_invalid_op+0x62/0x6b
[<c017e98b>] __find_get_block+0x1b/0x143
[<c041437a>] error_code+0x72/0x78
[<c014007b>] sys_init_module+0x379/0x1602
[<c017e98b>] __find_get_block+0x1b/0x143
[<c014b17e>] __rmqueue+0x13/0x174
[<c014bec4>] get_page_from_freelist+0x2d1/0x344
[<c017ecbd>] __getblk+0x21/0x295
[<c014bfb0>] __alloc_pages+0x67/0x2c5
[<c018089b>] __bread+0xa/0x78
[<c01c2353>] ext3_fill_super+0x138/0x1335
[<c0218d9e>] vsnprintf+0x407/0x445
[<c0218e52>] snprintf+0x1c/0x1f
[<c0194a0d>] disk_name+0x51/0x5b
[<c01665a1>] get_sb_bdev+0xce/0x10c
[<c014bfb0>] __alloc_pages+0x67/0x2c5
[<c0161c26>] __kmalloc+0x2f/0x9b
[<c01c0e06>] ext3_get_sb+0x12/0x16
[<c01c221b>] ext3_fill_super+0x0/0x1335
[<c01660ee>] vfs_kern_mount+0x39/0x72
[<c0166165>] do_kern_mount+0x2f/0xb4
[<c0176b00>] do_mount+0x5bf/0x621
[<c0175b12>] mntput_no_expire+0x11/0x85
[<c016c161>] link_path_walk+0x86/0x8f
[<c02d4e4a>] ide_disk_put+0x1c/0x27
[<c01672d9>] sys_stat64+0xf/0x23
[<c016534a>] put_filp+0x3c/0x9a
[<c014bc5c>] get_page_from_freelist+0x69/0x344
[<c0413309>] mutex_lock+0xb/0x1a
[<c014bfb0>] __alloc_pages+0x67/0x2c5
[<c01757b2>] copy_mount_options+0x26/0x109
[<c0176bcf>] sys_mount+0x6d/0xaa
[<c01038e6>] syscall_call+0x7/0xb
=======================
WARNING: at arch/x86/kernel/smp_32.c:209 send_IPI_mask_bitmask()
Pid: 1, comm: init Tainted: G D 2.6.24-rc6-mm1 #2
[<c0115bbb>] send_IPI_mask_bitmask+0x33/0x80
[<c01157a1>] native_smp_send_reschedule+0x4b/0x4d
[<c011cfae>] resched_task+0x56/0x58
[<c011e420>] resched_cpu+0x3c/0x49
[<c0120e22>] scheduler_tick+0x124/0x198
[<c012bff7>] update_process_times+0x3a/0x44
[<c013b380>] tick_sched_timer+0x73/0xb0
[<c0136c39>] hrtimer_interrupt+0x11f/0x1aa
[<c013b30d>] tick_sched_timer+0x0/0xb0
[<c01178d0>] smp_apic_timer_interrupt+0x69/0x78
[<c010434c>] apic_timer_interrupt+0x28/0x30
[<c041007b>] rpc_pipe_read+0xeb/0x100
[<c01243a4>] panic+0xc6/0xe6
[<c0126d8f>] do_exit+0x6b/0x5a7
[<c0104b74>] die+0x1c5/0x1ca
[<c0104cfd>] do_invalid_op+0x0/0x6b
[<c0104d5f>] do_invalid_op+0x62/0x6b
[<c017e98b>] __find_get_block+0x1b/0x143
[<c041437a>] error_code+0x72/0x78
[<c014007b>] sys_init_module+0x379/0x1602
[<c017e98b>] __find_get_block+0x1b/0x143
[<c014b17e>] __rmqueue+0x13/0x174
[<c014bec4>] get_page_from_freelist+0x2d1/0x344
[<c017ecbd>] __getblk+0x21/0x295
[<c014bfb0>] __alloc_pages+0x67/0x2c5
[<c018089b>] __bread+0xa/0x78
[<c01c2353>] ext3_fill_super+0x138/0x1335
[<c0218d9e>] vsnprintf+0x407/0x445
[<c0218e52>] snprintf+0x1c/0x1f
[<c0194a0d>] disk_name+0x51/0x5b
[<c01665a1>] get_sb_bdev+0xce/0x10c
[<c014bfb0>] __alloc_pages+0x67/0x2c5
[<c0161c26>] __kmalloc+0x2f/0x9b
[<c01c0e06>] ext3_get_sb+0x12/0x16
[<c01c221b>] ext3_fill_super+0x0/0x1335
[<c01660ee>] vfs_kern_mount+0x39/0x72
[<c0166165>] do_kern_mount+0x2f/0xb4
[<c0176b00>] do_mount+0x5bf/0x621
[<c0175b12>] mntput_no_expire+0x11/0x85
[<c016c161>] link_path_walk+0x86/0x8f
[<c02d4e4a>] ide_disk_put+0x1c/0x27
[<c01672d9>] sys_stat64+0xf/0x23
[<c016534a>] put_filp+0x3c/0x9a
[<c014bc5c>] get_page_from_freelist+0x69/0x344
[<c0413309>] mutex_lock+0xb/0x1a
[<c014bfb0>] __alloc_pages+0x67/0x2c5
[<c01757b2>] copy_mount_options+0x26/0x109
[<c0176bcf>] sys_mount+0x6d/0xaa
[<c01038e6>] syscall_call+0x7/0xb
=======================
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