On Thu, Jul 23, 2015 at 2:35 PM, Tejun Heo <t...@kernel.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. Alex > > Thanks. > > -- > tejun -- 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/