https://bugzilla.novell.com/show_bug.cgi?id=350980 User robin.listas@telefonica.net added comment https://bugzilla.novell.com/show_bug.cgi?id=350980#c7 --- Comment #7 from Carlos Robinson <robin.listas@telefonica.net> 2008-01-08 16:59:44 MST --- Ah! How can that be? If they are still 19.2 ticks/second, I should have had 537 ticks. I don't know how the timer works in linux, but I assume that, as the clock shows the correct time, the system uses TSC to estimate the lost interrupts correctly. Is that so? Now, questions... can this be a hardware problem and the timer chip doesn't produces the interrupts? However, in the test the other day with 10.2 there were no symptoms. Is the kernel reprogramming the chip to go slower? Is the kernel ignoring the interrupts? The only thing I can do, as I lack the knowledge of kernel internals, is to try again in 10.2 and measure the ticks over a period. Do you want me to try that? Note 1: This thing must be related to Bug 350981 Note 2: These days I'm using my personalized kernel, instead of the default suse kernel I used the other day for testing (which has the same symptoms). I play with different settings in an attempt to solve this. These are my different settings (diff -y --suppress-common-lines .config /boot/config-2.6.22.13-0.3-default): mine yours # Linux kernel version: 2.6.22.13 < # Sun Dec 30 14:30:44 2007 < CONFIG_BROKEN_ON_SMP=y | CONFIG_LOCK_KERNEL=y CONFIG_LOCALVERSION="-cer" | CONFIG_LOCALVERSION="-default" > CONFIG_CPUSETS=y > CONFIG_STOP_MACHINE=y CONFIG_HIGH_RES_TIMERS=y | # CONFIG_HIGH_RES_TIMERS is not set # CONFIG_SMP is not set | CONFIG_SMP=y # CONFIG_PARAVIRT is not set | CONFIG_PARAVIRT=y > CONFIG_VMI=y # CONFIG_M586 is not set | CONFIG_M586=y CONFIG_MPENTIUM4=y | # CONFIG_MPENTIUM4 is not set > CONFIG_X86_PPRO_FENCE=y > CONFIG_X86_F00F_BUG=y CONFIG_X86_GOOD_APIC=y | CONFIG_X86_ALIGNMENT_16=y CONFIG_X86_USE_PPRO_CHECKSUM=y < CONFIG_X86_TSC=y < CONFIG_X86_CMOV=y < > CONFIG_NR_CPUS=32 > CONFIG_SCHED_SMT=y > CONFIG_SCHED_MC=y > # CONFIG_PREEMPT_BKL is not set > CONFIG_X86_MCE_P4THERMAL=y # CONFIG_TOSHIBA is not set | CONFIG_TOSHIBA=m # CONFIG_I8K is not set | CONFIG_I8K=m > # CONFIG_IRQBALANCE is not set # CONFIG_HZ_250 is not set | CONFIG_HZ_250=y CONFIG_HZ_300=y | # CONFIG_HZ_300 is not set CONFIG_HZ=300 | CONFIG_HZ=250 > CONFIG_HOTPLUG_CPU=y > CONFIG_SUSPEND_SMP=y > CONFIG_ACPI_HOTPLUG_CPU=y # CONFIG_DMASCC is not set < # CONFIG_IRPORT_SIR is not set < # CONFIG_SBPCD is not set < # CONFIG_CM206 is not set < # CONFIG_CDU31A is not set < # CONFIG_NI5010 is not set < # CONFIG_PCMCIA_XIRTULIP is not set < # CONFIG_ISDN_DRV_LOOP is not set < # CONFIG_HYSDN is not set < # CONFIG_RISCOM8 is not set < # CONFIG_STALLION is not set < # CONFIG_ISTALLION is not set < # CONFIG_I2C_ELEKTOR is not set < # CONFIG_DEBUG_INFO is not set | CONFIG_DEBUG_INFO=y CONFIG_DEBUG_RODATA=y | # CONFIG_DEBUG_RODATA is not set > CONFIG_GENERIC_PENDING_IRQ=y > CONFIG_X86_SMP=y > CONFIG_X86_HT=y > CONFIG_X86_TRAMPOLINE=y -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.