Bug 8802
| Summary: | ACPI Exception (processor_throttling-0084): AE_NOT_FOUND, Evaluating _PTC [20070126] | ||
|---|---|---|---|
| Product: | ACPI | Reporter: | Daniel Viczinger (pdw) |
| Component: | Power-Thermal | Assignee: | Len Brown (lenb) |
| Status: | CLOSED CODE_FIX | ||
| Severity: | low | CC: | acpi-bugzilla, jmdebruin |
| Priority: | P1 | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Kernel Version: | 2.6.23-rc1 | Subsystem: | |
| Regression: | --- | Bisected commit-id: | |
| Attachments: | patch vs 2.6.23-rc1 to remove ACPI Exceptions | ||
Please try the patch at http://lkml.org/lkml/2007/7/23/274 It worked for someone else. Indeed it does. Thank you, haven't noticed it. Btw: the ACPI exceptions still remain. Created attachment 12130 [details]
patch vs 2.6.23-rc1 to remove ACPI Exceptions
patch remove the exception messages.
I Ack the patch at comment# 4 *** Bug 8806 has been marked as a duplicate of this bug. *** Patch in comment #4 shipped in Linux-2.6.23-rc1-git3 closed. |
Most recent kernel where this bug did not occur: 2.6.22.1 Distribution: Slackware-current Hardware Environment: 2.4XP, 768Ram, Abit KX7-333 with VIA VT8366 chipset Software Environment: Slackware, gcc 4.1.2, 2.6.23-rc1 Problem Description: 1, Getting these during boot: Jul 24 21:40:41 skogen kernel: ACPI Exception (processor_throttling-0084): AE_NOT_FOUND, Evaluating _PTC [20070126] Jul 24 21:40:41 skogen kernel: ACPI Exception (processor_throttling-0147): AE_NOT_FOUND, Evaluating _TSS [20070126] 2, After doing what I wrote below I get in syslog: BUG: unable to handle kernel NULL pointer dereference at virtual address 00000000 printing eip: c01cc098 *pdpt = 000000002a912001 *pde = 0000000000000000 Oops: 0000 [#2] PREEMPT Modules linked in: CPU: 0 EIP: 0060:[<c01cc098>] Tainted: P D VLI EFLAGS: 00010246 (2.6.23-rc1 #1) EIP is at acpi_processor_throttling_seq_show+0x98/0xdc eax: 00000000 ebx: effb8100 ecx: 00000000 edx: 00000000 esi: c1764000 edi: 00000000 ebp: ed515040 esp: ef381ef8 ds: 007b es: 007b fs: 0000 gs: 0033 ss: 0068 Process cat (pid: 1273, ti=ef380000 task=ed62e000 task.ti=ef380000) Stack: ed515040 c02f39ad 00000002 00000000 00000000 00000001 00000000 effb8100 ed515040 00000001 00001000 c01615c3 0804f000 ea0d8c80 ed515060 00000000 ed6606b4 ed660680 00000001 c010c12d 00000000 00000000 effb8100 c01614dc Call Trace: [<c01615c3>] seq_read+0xe7/0x274 [<c010c12d>] do_page_fault+0x318/0x739 [<c01614dc>] seq_read+0x0/0x274 [<c0172e14>] proc_reg_read+0x83/0x96 [<c0172d91>] proc_reg_read+0x0/0x96 [<c014be5b>] vfs_read+0x7c/0xb2 [<c014c157>] sys_read+0x41/0x67 [<c010252e>] syscall_call+0x7/0xb ======================= Code: e8 95 50 f9 ff ba 03 3a 2f c0 89 e8 e8 74 4e f9 ff c7 44 24 18 00 00 00 00 eb 42 8b 86 04 03 00 00 8b 54 24 18 3b be d8 02 00 00 <8b> 0c 02 b8 20 00 00 00 ba 2a 00 00 00 89 7c 24 0c c7 44 24 04 EIP: [<c01cc098>] acpi_processor_throttling_seq_show+0x98/0xdc SS:ESP 0068:ef381ef8 Steps to reproduce: cat /proc/acpi/processor/CPU0/throttling (segfaults) Note: Same as this: http://lkml.org/lkml/2007/6/7/60, it apparently got fixed in 2.6.22-rc4 but it still is here. It doesn't affect anything other I do.