On Sun, 2015-06-14 at 11:13 +0800, Daniel J Blueman wrote: > On Sunday, June 14, 2015 at 4:00:06 AM UTC+8, Christoph Fritz wrote: > > Hi, > > > > on following computer configuration, I do get hard lockup under heavy > > IO-Load (using rsync): > > > > - CONFIG_HIGH_RES_TIMERS=y > > - CPU: AMD FX(tm)-8350 Eight-Core Processor (family 0x15 model 0x2) > > - Motherboard: 'GA-970A-UD3P (rev. 1.0)' AMD 970/SB950 > > - BIOS: C1E enabled (on 'GA-970A-UD3P' there is no disable option) > > - Kernels: 4.1.0-rc6, 4.0.x, 3.16.x > > > > Tests: > > - add kernel parameter "idle=halt" -> system runs fine > > - disable CONFIG_HIGH_RES_TIMERS -> system runs fine > > - change motherboard and disable C1E -> system runs fine > > - change CPU to AMD Phenom II X6 Processor -> system runs fine > [..] > > C1E disconnects HyperTransport links when all cores enter C1 (halt) > for a period of time; this is all at the platform level, so isn't due > to the kernel. The AMD AGESA code which controls the setup of this > mechanism is updated in the F2g BIOS: > http://www.gigabyte.com/products/product-page.aspx?pid=4717#bios > > Did you try both BIOS releases with defaults?
Yes, rechecked both versions: Same bad behaviour. > If still issues, also try with the current family 10h microcode from > http://www.amd64.org/microcode/amd-ucode-latest.tar.bz2 Don't you mean family 15h for 'AMD FX(tm)-8350' ? already using latest microcode: [ 0.514490] microcode: CPU0: patch_level=0x06000822 [ 0.514497] microcode: CPU1: patch_level=0x06000822 [ 0.514508] microcode: CPU2: patch_level=0x06000822 [ 0.514519] microcode: CPU3: patch_level=0x06000822 [ 0.514529] microcode: CPU4: patch_level=0x06000822 [ 0.514540] microcode: CPU5: patch_level=0x06000822 [ 0.514550] microcode: CPU6: patch_level=0x06000822 [ 0.514561] microcode: CPU7: patch_level=0x06000822 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
