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? Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
