11.04.2014 22:57, Sebastian Andrzej Siewior пишет:
x86-64 crashed after I started hackbench. I figured out that the crash does not happen with lazy-preempt disabled. Therefore the last but one patch in the queue disables lazy preempt on x86-64. With this change the test box survived ~2h without a crash. I look at this later but it looks good now.
AMD64 (Dual AMD Opteron 285), 8Gb RAM, MB: TYAN Thunder KW8E 2895 WORK ONLY IN UniProcessor mode (maxcpus=0) Normal boot: Debian 7 x64, Xorg, Google Chrome, Firefox/Thunderbird, Unigine Heaven Benchmark: 39 FPS, Nvidia driver 334.21, watch youtube. ./hackbench -T 4 -l 10000 Time: 162.643 ./cyclictest -p 99 -D 60 policy: fifo: loadavg: 0.27 19.88 19.17 1/311 4481 T: 0 ( 4336) P:99 I:1000 C: 59995 Min: 19 Act: 23 Avg: 24 Max: 61 ./signaltest -p99 -m -l 10000 0.25 13.60 16.96 3/312 4831 T: 0 ( 4812) P:99 C: 10000 Min: 9 Act: 9 Avg:10 Max: 35 --- In SMP mode boot only with kernel option init=/bin/bash After remount /dev/sda2 to RW mode, and run mc (midnight commander) system freezeeeee! But SysRQ key works! /proc/cmdline: root=/dev/sda2 quiet vga=0 pci=routeirq nmi_watchdog=0 iommu=noagp mce=dont_log_ce tsc=reliable clocksource=hpet workqueue.power_efficient=0 agp=off reset_devices iommu=memaper=4 amd_iommu=fullflush pci=skip_isa_align sata_nv.adma=1 hpet=force zswap.enabled=1 maxcpus=0 .config: http://pastebin.com/2GmGc3Ra dmesg: http://pastebin.com/gxZXHK2x -- Pavel. -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
