Bug 2781
| Summary: | kernel panic with acpi processor module and speedstep | ||
|---|---|---|---|
| Product: | ACPI | Reporter: | unit22 |
| Component: | Power-Processor | Assignee: | Zhu Yi (yi.zhu) |
| Status: | REJECTED DUPLICATE | ||
| Severity: | blocking | ||
| Priority: | P2 | ||
| Hardware: | i386 | ||
| OS: | Linux | ||
| Kernel Version: | 2.6.6 | Subsystem: | |
| Regression: | --- | Bisected commit-id: | |
| Attachments: | speedstep-centrino kernel panic fix | ||
May I please have your /proc/cpuinfo? Created attachment 3029 [details]
speedstep-centrino kernel panic fix
Oops, this is a known issue. Please use the fix patch from Luming.
The original bug reported here: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=121760 |
Distribution: Debian sid, kernel 2.6.6 from kernel.org Hardware Environment: Asus S5200N, Pentium M 1,6 Ghz Software Environment: Problem Description: I've got a kernel panic during the boot process with the following output: Unable to handle kernel NULL pointer dereference at virtual address 00000010 printing eip: c01c1a19 *pde = 00000000 Oops: 0002 [#1] PREEMPT CPU: 0 EIP: 0060:[<c01c1a19>] Tainted: P EFLAGS: 00010246 (2.6.5) EIP is at acpi_ds_execute_arguments+0x91/0x118 eax: 00000000 ebx: 00000000 ecx: 00000009 edx: 00000001 esi: da010000 edi: c16eb4e0 ebp: dbce5b80 esp: d9bd9c4c ds: 007b es: 007b ss: 0068 Process modprobe (pid: 1820, threadinfo=d9bd8000 task=d9d5e080) Stack: df0738c0 dbce5b80 00000000 da0105b8 c01c1b1b dbce5b80 dbce5b80 00000000 00000000 df0738c0 c01cb347 df0738c0 00000000 da0105b8 da010400 dbce5b80 00000000 c01c714b da0105b8 da010400 00000003 00000008 c01c93cc da0105b8 Call Trace: [<c01c1b1b>] acpi_ds_get_buffer_arguments+0x49/0x4e [<c01cb347>] acpi_ex_resolve_node_to_value+0x87/0xdc [<c01c714b>] acpi_ex_resolve_to_value+0x3b/0x46 [<c01c93cc>] acpi_ex_resolve_operands+0x1ca/0x316 [<c01c1d5f>] acpi_ds_eval_buffer_field_operands+0x46/0x9c [<c01c2468>] acpi_ds_exec_end_op+0x15f/0x26b [<c01cfb88>] acpi_ps_parse_loop+0x546/0x85f [<c01cfeef>] acpi_ps_parse_aml+0x4e/0x1af [<c01d079a>] acpi_psx_execute+0x142/0x19c [<c01cda90>] acpi_ns_execute_control_method+0x43/0x52 [<c01cda29>] acpi_ns_evaluate_by_handle+0x81/0xa5 [<c01cd903>] acpi_ns_evaluate_relative+0xab/0xc9 [<c01cd1e0>] acpi_evaluate_object+0x10f/0x1d1 [<e023f69b>] acpi_processor_set_pdc+0x6b/0x6f [processor] [<e023f972>] acpi_processor_get_performance_info+0x4a/0x71 [processor] [<e023fa13>] acpi_processor_register_performance+0x78/0xb6 [processor] [<e08c22f2>] acpi_cpufreq_cpu_init+0x62/0x2f0 [acpi] [<c014c96e>] map_area_pmd+0x7e/0xb0 [<c0226043>] cpufreq_add_dev+0xd3/0x2c0 [<c014cd98>] vfree+0x28/0x40 [<c0131515>] load_module+0x875/0xb10 [<e08c5000>] acpi_cpufreq_init+0x0/0x11 [acpi] [<c01f7b65>] sysdev_driver_register+0x85/0xd0 [<c0226d3c>] cpufreq_register_driver+0x7c/0xa0 [<e08c500f>] acpi_cpufreq_init+0xf/0x11 [acpi] [<c01318c9>] sys_init_module+0x119/0x230 [<c010740b>] syscall_call+0x7/0xb Code: 89 68 10 57 e8 05 e9 00 00 6a 37 e8 52 eb 00 00 5e 89 c7 85 <6>speedstep-centrino: found "Intel(R) Pentium(R) M processor 1600MHz": max frequency: 1600000kHz It doens't matter if I compile ACPI Processor and the Speedstep-related things into the kernel or as modules. It's the same output message. This Problem also happens with kernel 2.6.5 but only If compile acpi-processor and the speedstep related things as modules. It works now with 2.6.5 because I compiled it into the kernel Steps to reproduce: