Messages in this thread Patch in this message | | | Date | Wed, 4 Jan 2006 23:52:12 -0500 | From | Dave Jones <> | Subject | oops pauser. |
| |
In my quest to get better debug data from users in Fedora bug reports, I came up with this patch. A majority of users don't have serial consoles, so when an oops scrolls off the top of the screen, and locks up, they usually end up reporting a 2nd (or later) oops that isn't particularly helpful (or worse, some inconsequential info like 'sleeping whilst atomic' warnings)
With this patch, if we oops, there's a pause for a two minutes.. which hopefully gives people enough time to grab a digital camera to take a screenshot of the oops.
It has an on-screen timer so the user knows what's going on, (and that it's going to come back to life [maybe] after the oops).
The one case this doesn't catch is the problem of oopses whilst in X. Previously a non-fatal oops would stall X momentarily, and then things continue. Now those cases will lock up completely for two minutes. Future patches could add some additional feedback during this 'stall' such as the blinky keyboard leds, or periodic speaker beeps.
Signed-off-by: Dave Jones <davej@redhat.com>
--- vanilla/arch/i386/kernel/traps.c 2006-01-02 22:21:10.000000000 -0500 +++ linux-2.6.15/arch/i386/kernel/traps.c 2006-01-04 23:42:46.000000000 -0500 @@ -256,6 +271,15 @@ void show_registers(struct pt_regs *regs } } printk("\n"); + { + int i; + for (i=120;i>0;i--) { + mdelay(1000); + touch_nmi_watchdog(); + printk("Continuing in %d seconds. \r", i); + } + printk("\n"); + } } static void handle_BUG(struct pt_regs *regs) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |