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Message-ID: <55B7CBE8.6090801@ahsoftware.de> Date: Tue, 28 Jul 2015 20:37:28 +0200 From: Alexander Holler <holler@...oftware.de> To: Alex Deucher <alexdeucher@...il.com>, Jiang Liu <jiang.liu@...ux.intel.com> Cc: Tejun Heo <tj@...nel.org>, LKML <linux-kernel@...r.kernel.org> Subject: Re: ATA failure regression in kernel 4.2 Am 28.07.2015 um 20:19 schrieb Alex Deucher: > On Mon, Jul 27, 2015 at 12:30 PM, Jiang Liu <jiang.liu@...ux.intel.com> wrote: >> On 2015/7/27 23:21, Alex Deucher wrote: >>> On Sun, Jul 26, 2015 at 11:01 PM, Jiang Liu <jiang.liu@...ux.intel.com> wrote: >>>> On 2015/7/25 1:38, Alex Deucher wrote: >>>>> On Thu, Jul 23, 2015 at 2:44 PM, Alex Deucher <alexdeucher@...il.com> wrote: >>>>>> On Thu, Jul 23, 2015 at 2:35 PM, Tejun Heo <tj@...nel.org> wrote: >>>>>>> Hello, >>>>>>> >>>>>>> On Thu, Jul 23, 2015 at 01:48:24PM -0400, Alex Deucher wrote: >>>>>>>> Something new in kernel 4.2 seems to have broken one of my hard drives >>>>>>>> (ssd) in kernel 4.2. 4.1 and older kernels work fine. Here are the >>>>>>>> relevant logs. >>>>>>>> >>>>>>> ... >>>>>>>> [ 6.547628] ata2.00: qc timeout (cmd 0xec) >>>>>>>> [ 6.547721] ata2.00: failed to IDENTIFY (I/O error, err_mask=0x4) >>>>>>>> [ 7.007213] ata2: SATA link up 6.0 Gbps (SStatus 133 SControl 300) >>>>>>>> [ 16.997819] ata2.00: qc timeout (cmd 0xec) >>>>>>>> [ 16.997910] ata2.00: failed to IDENTIFY (I/O error, err_mask=0x4) >>>>>>>> [ 16.997995] ata2: limiting SATA link speed to 3.0 Gbps >>>>>>>> [ 17.457400] ata2: SATA link up 3.0 Gbps (SStatus 123 SControl 320) >>>>>>>> [ 47.429257] ata2.00: qc timeout (cmd 0xec) >>>>>>>> [ 47.429349] ata2.00: failed to IDENTIFY (I/O error, err_mask=0x4) >>>>>>>> [ 47.888822] ata2: SATA link up 3.0 Gbps (SStatus 123 SControl 320) >>>>>>> >>>>>>> Nothing really rings a bell. Timeouts on IDENTIFY. Could be IRQ >>>>>>> related. Which controller is it (lspci -nn)? Also, can you try to >>>>>>> bisect the issue? >>>>>> >>>>>> 00:11.0 SATA controller [0106]: Advanced Micro Devices, Inc. [AMD] FCH >>>>>> SATA Controller [AHCI mode] [1022:7801] (rev 40) >>>>>> 00:14.1 IDE interface [0101]: Advanced Micro Devices, Inc. [AMD] FCH >>>>>> IDE Controller [1022:780c] >>>>>> >>>>>> I can take a look at bisecting later this week. >>>>> >>>>> You were right about the interrupts. This is an AMD Kaveri APU system. >>>> Hi Alex, >>>> Could you please help to provide more information about the >>>> system so we could identify the issue? Dmesg and /proc/interrupts >>>> from good and bad kernels are welcomed. >>>> Thanks! >>>> Gerry >>> >>> See attached. Thanks! >> Hi Alex, >> Thanks for the info. Seems something is wrong with multiple-MSI >> support. To narrow down the scope, could you please help to: > > I'm also not getting interrupts in my gpu driver. I haven't bisected > this specifically, but I suspect it is related since it to used to > work in 4.1. Whether I enable MSIs or not in my driver, I get a huge > numbers of interrupts on all CPUs as soon as the driver is loaded, but > the driver isr never gets called. E.g., > 49: 117757835 117763227 117787837 117868913 PCI-MSI > 524288-edge amdgpu > nointremap doesn't seem to help. Same problem here with the AMD SATA controller (1022:7801). It failed to identify the second disk when using 4.2-rc4. nointremap helped, nothing else tested Regards, Alexander Holler -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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