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SubjectRe: [ACPI] Re: 2.6.3-rc3 (and possibly earlier 2.6): weird hang and oopses
On Tue, Feb 17, 2004 at 09:10:22PM +0100, Alessandro Suardi wrote:
> Will run from now for a couple of weeks with CONFIG_ACPI_PROCESSOR=n;
> I checked my logs and noticed my first hang happened with 2.6.2,

IIRC 2.6.2 didn't yet contain the processor updates...

> I just now noticed that in /var/log I have the full Oops traces
> (until I Alt-SysRq'd out of it), so I'm attaching them; would you
> please take a further look and confirm this is _only_ an ACPI-related
> issue ?

The first Oops seems to be not related to ACPI:

Feb 16 15:57:48 incident kernel: Oops: 0000 [#1]
Feb 16 15:57:48 incident kernel: CPU: 0
Feb 16 15:57:48 incident kernel: EIP: 0060:[<c0242045>] Not tainted
Feb 16 15:57:48 incident kernel: EFLAGS: 00010246
Feb 16 15:57:48 incident kernel: EIP is at init_dev+0x2b/0x567
Feb 16 15:57:48 incident kernel: eax: a1192400 ebx: d2e6e000 ecx: c0418f38 edx: 00008802
Feb 16 15:57:48 incident kernel: esi: 02000000 edi: f3986480 ebp: a1192400 esp: d2e6fe98
Feb 16 15:57:48 incident kernel: ds: 007b es: 007b ss: 0068
Feb 16 15:57:48 incident kernel: Process sh (pid: 7260, threadinfo=d2e6e000 task=cd98ecc0)
Feb 16 15:57:48 incident kernel: Stack: a1192400 00000000 f7dabb80 c01655e6 f7dabb80 c03e52d0 00000000 f782f080
Feb 16 15:57:48 incident kernel: f30d2580 c015cc36 f7dabb80 d2e6ff04 d2e6ff00 f7dabb80 420d2290 f554c300
Feb 16 15:57:48 incident kernel: d2e6e000 02000000 f3986480 00500000 c0242eea 02000000 a1192400 d2e6ff00
Feb 16 15:57:48 incident kernel: Call Trace:
Feb 16 15:57:48 incident kernel: [<c01655e6>] dput+0x22/0x21f
Feb 16 15:57:48 incident kernel: [<c015cc36>] link_path_walk+0x61b/0x957
Feb 16 15:57:48 incident kernel: [<c0242eea>] tty_open+0x90/0x36d
Feb 16 15:57:48 incident kernel: [<c0242e5a>] tty_open+0x0/0x36d
Feb 16 15:57:48 incident kernel: [<c0157c7d>] chrdev_open+0xf3/0x21c
Feb 16 15:57:48 incident kernel: [<c015d860>] open_namei+0xa6/0x400
Feb 16 15:57:48 incident kernel: [<c0157b8a>] chrdev_open+0x0/0x21c
Feb 16 15:57:48 incident kernel: [<c014e264>] dentry_open+0x14d/0x218
Feb 16 15:57:48 incident kernel: [<c014e115>] filp_open+0x67/0x69
Feb 16 15:57:48 incident kernel: [<c014e598>] sys_open+0x5b/0x8b
Feb 16 15:57:48 incident kernel: [<c0108f9d>] sysenter_past_esp+0x52/0x71
... and neither the second, but then the "bad: scheduling while atomic"
calls start. And this call trace looks quite strange... There is no reason
ps should call "acpi_processor_set_performance".... But well, the kernel is
in an inconsistent state already because of the two previous oopses...
Is the kernel compiled with "frame pointers"? CONFIG_FRAME_POINTER ? If not,
please change this setting to "y".

What follows then are other oopses and bad: scheduling while atomic notices
where I cannot see any relation to ACPI.

Feb 16 16:07:16 incident kernel: SysRq : Show Regs
Feb 16 16:07:16 incident kernel:
Feb 16 16:07:16 incident kernel: Pid: 0, comm: swapper
Feb 16 16:07:16 incident kernel: EIP: 0060:[<c02380f8>] CPU: 0
Feb 16 16:07:16 incident kernel: EIP is at acpi_processor_idle+0x13c/0x1cb
Feb 16 16:07:16 incident kernel: EFLAGS: 00000216 Not tainted
Feb 16 16:07:16 incident kernel: EAX: 0050d212 EBX: 00000808 ECX: 0050d079 EDX: 00000808
Feb 16 16:07:16 incident kernel: ESI: c1b7d2b0 EDI: c0105000 EBP: c1b7d200 DS: 007b ES: 007b
Feb 16 16:07:16 incident kernel: CR0: 8005003b CR2: 421b7000 CR3: 35924000 CR4: 000006d0
Feb 16 16:07:16 incident kernel: Call Trace:
Feb 16 16:07:16 incident kernel: [<c0106cee>] default_idle+0x0/0x27
Feb 16 16:07:16 incident kernel: [<c0105000>] rest_init+0x0/0x5e
Feb 16 16:07:16 incident kernel: [<c023007b>] acpi_ut_copy_ipackage_to_ipackage+0x69/0xdb
Feb 16 16:07:16 incident kernel: [<c0106cee>] default_idle+0x0/0x27
Feb 16 16:07:16 incident kernel: [<c0105000>] rest_init+0x0/0x5e
Feb 16 16:07:16 incident kernel: [<c0106d79>] cpu_idle+0x2e/0x37
Feb 16 16:07:16 incident kernel: [<c0462686>] start_kernel+0x182/0x1b0
Feb 16 16:07:16 incident kernel: [<c04623dd>] unknown_bootoption+0x0/0xff
acpi_processor_idle seems to innocent, "ps" is causing an oops again:

Feb 16 16:08:28 incident kernel: Unable to handle kernel paging request at virtual address 02000064
Feb 16 16:08:28 incident kernel: printing eip:
Feb 16 16:08:28 incident kernel: c017b7ce
Feb 16 16:08:28 incident kernel: *pde = 00000000
Feb 16 16:08:28 incident kernel: Oops: 0000 [#7]
Feb 16 16:08:28 incident kernel: CPU: 0
Feb 16 16:08:28 incident kernel: EIP: 0060:[<c017b7ce>] Not tainted
Feb 16 16:08:28 incident kernel: EFLAGS: 00010286
Feb 16 16:08:28 incident kernel: EIP is at proc_pid_stat+0xa8/0x53c
Feb 16 16:08:28 incident kernel: eax: 00000000 ebx: 02000000 ecx: f4971000 edx: c03e6330
Feb 16 16:08:28 incident kernel: esi: e9b0d900 edi: c4c7c580 ebp: c3a58000 esp: c3a59e3c
Feb 16 16:08:28 incident kernel: ds: 007b es: 007b ss: 0068
Feb 16 16:08:28 incident kernel: Process ps (pid: 7430, threadinfo=c3a58000 task=d56e52e0)
Feb 16 16:08:28 incident kernel: Stack: c4c7c580 ffffffff 00000008 c4c7c780 00000010 f1db65f0 f7f57858 c3a58000
Feb 16 16:08:28 incident kernel: c3a58000 f1db6580 e3935006 c0179382 f1db6ef0 f7f570f8 c3a58000 c3a58000
Feb 16 16:08:28 incident kernel: f1db6e80 f254f510 c017939b e9b0d900 f1db6e80 c3a59f70 f7ff4700 c3a59f00
Feb 16 16:08:28 incident kernel: Call Trace:
Feb 16 16:08:28 incident kernel: [<c0179382>] pid_revalidate+0x28/0xd2
Feb 16 16:08:28 incident kernel: [<c017939b>] pid_revalidate+0x41/0xd2
Feb 16 16:08:28 incident kernel: [<c01655e6>] dput+0x22/0x21f
Feb 16 16:08:28 incident kernel: [<c015cc36>] link_path_walk+0x61b/0x957
Feb 16 16:08:28 incident kernel: [<c013741c>] buffered_rmqueue+0xc1/0x15a
Feb 16 16:08:28 incident kernel: [<c0137559>] __alloc_pages+0xa4/0x342
Feb 16 16:08:28 incident kernel: [<c01787e2>] proc_info_read+0x74/0x155
Feb 16 16:08:28 incident kernel: [<c014e115>] filp_open+0x67/0x69
Feb 16 16:08:28 incident kernel: [<c014ee92>] vfs_read+0xbc/0x127
Feb 16 16:08:28 incident kernel: [<c014f11d>] sys_read+0x42/0x63
Feb 16 16:08:28 incident kernel: [<c0108f9d>] sysenter_past_esp+0x52/0x71
Dominik
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