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Old 09-06-2008, 08:39 AM
Didrik Pinte
Default Bug#494036: linux-image-2.6.26-1-686: same erractic freeze on my thinkpad t60 with 2.6.25 and 2.6.26

Package: linux-image-2.6.26-1-686
Version: 2.6.26-4
Followup-For: Bug #494036

Just to add another report. I have the same erratic freezes on my Thinkpad T60
with 2.6.25 and 2.6.26. I hope this is the same problem as reported in this bug
report but I have nothing to confirm it.

At the moment, I cannot use a kernel > 2.6.24 because of those freeze.

Feel free to ask for more details or tests if needed.


-- Package-specific info:

-- System Information:
Debian Release: lenny/sid
APT prefers unstable
APT policy: (500, 'unstable'), (500, 'testing'), (1, 'experimental')
Architecture: i386 (i686)

Kernel: Linux 2.6.24-1-686 (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages linux-image-2.6.26-1-686 depends on:
ii debconf [debconf-2.0] 1.5.23 Debian configuration management sy
ii initramfs-tools [linux-initra 0.92g tools for generating an initramfs
ii module-init-tools 3.4-1 tools for managing Linux kernel mo

Versions of packages linux-image-2.6.26-1-686 recommends:
ii libc6-i686 2.7-13 GNU C Library: Shared libraries [i

Versions of packages linux-image-2.6.26-1-686 suggests:
ii grub 0.97-47 GRand Unified Bootloader (Legacy v
pn linux-doc-2.6.26 <none> (no description available)

-- debconf information:
linux-image-2.6.26-1-686/postinst/depmod-error-initrd-2.6.26-1-686: false
linux-image-2.6.26-1-686/postinst/old-system-map-link-2.6.26-1-686: true
linux-image-2.6.26-1-686/prerm/would-invalidate-boot-loader-2.6.26-1-686: true
linux-image-2.6.26-1-686/preinst/elilo-initrd-2.6.26-1-686: true
linux-image-2.6.26-1-686/postinst/old-dir-initrd-link-2.6.26-1-686: true
linux-image-2.6.26-1-686/postinst/create-kimage-link-2.6.26-1-686: true
linux-image-2.6.26-1-686/preinst/overwriting-modules-2.6.26-1-686: true
linux-image-2.6.26-1-686/postinst/depmod-error-2.6.26-1-686: false
shared/kernel-image/really-run-bootloader: true
linux-image-2.6.26-1-686/prerm/removing-running-kernel-2.6.26-1-686: true
linux-image-2.6.26-1-686/preinst/bootloader-initrd-2.6.26-1-686: true
linux-image-2.6.26-1-686/preinst/lilo-initrd-2.6.26-1-686: true
linux-image-2.6.26-1-686/postinst/old-initrd-link-2.6.26-1-686: true

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Old 10-18-2008, 07:46 PM
Gonéri Le Bouder
Default Bug#494036: linux-image-2.6.26-1-686: same erractic freeze on my thinkpad t60 with 2.6.25 and 2.6.26

tag 494036 patch

This is the patch by Ingo Molnar I applied on my 2.6.26 kernel. Can you
please apply it.

Best regards,

Gonéri Le Bouder

--- linux-source-2.6.26.orig/include/asm-generic/rtc.h.orig 2008-10-18 00:26:24.000000000 +0200
+++ linux-source-2.6.26/include/asm-generic/rtc.h 2008-10-18 00:27:16.000000000 +0200
@@ -15,6 +15,7 @@
#include <linux/mc146818rtc.h>
#include <linux/rtc.h>
#include <linux/bcd.h>
+#include <linux/delay.h>

#define RTC_PIE 0x40 /* periodic interrupt enable */
#define RTC_AIE 0x20 /* alarm interrupt enable */
@@ -43,7 +44,6 @@ static inline unsigned char rtc_is_updat

static inline unsigned int get_rtc_time(struct rtc_time *time)
- unsigned long uip_watchdog = jiffies;
unsigned char ctrl;
unsigned long flags;

@@ -61,11 +61,9 @@ static inline unsigned int get_rtc_time(
* Once the read clears, read the RTC time (again via ioctl). Easy.

- if (rtc_is_updating() != 0)
- while (jiffies - uip_watchdog < 2*HZ/100) {
- barrier();
- cpu_relax();
- }
+ if (rtc_is_updating())
+ mdelay(20);

* Only the values that we read from the RTC are set. We leave

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