On Tue, Oct 23, 2018 at 04:47:05PM +0300, Adrian Hunter wrote: > On 22/10/18 4:40 PM, Anisse Astier wrote: > > On Mon, Oct 22, 2018 at 03:34:24PM +0300, Adrian Hunter wrote: > >> On 22/10/18 12:14 PM, Anisse Astier wrote: > > [snip] > >>> [ 16.823947] mmc0: sdhci: ============ SDHCI REGISTER DUMP =========== > >>> [ 16.823956] mmc0: sdhci: Sys addr: 0x00000008 | Version: 0x00001002 > >>> [ 16.823964] mmc0: sdhci: Blk size: 0x00007200 | Blk cnt: 0x00000008 > >>> [ 16.823971] mmc0: sdhci: Argument: 0x00cf3ff0 | Trn mode: 0x0000003b > >>> [ 16.823978] mmc0: sdhci: Present: 0x1fff0001 | Host ctl: 0x0000003d > >>> [ 16.823985] mmc0: sdhci: Power: 0x0000000b | Blk gap: 0x00000080 > >>> [ 16.823992] mmc0: sdhci: Wake-up: 0x00000000 | Clock: 0x00000007 > >>> [ 16.823999] mmc0: sdhci: Timeout: 0x00000006 | Int stat: 0x00000000 > >>> [ 16.824006] mmc0: sdhci: Int enab: 0x02ff000b | Sig enab: 0x02ff000b > >>> [ 16.824013] mmc0: sdhci: AC12 err: 0x00000000 | Slot int: 0x00000000 > >>> [ 16.824020] mmc0: sdhci: Caps: 0x546ec881 | Caps_1: 0x80000807 > >>> [ 16.824027] mmc0: sdhci: Cmd: 0x0000123a | Max curr: 0x00000000 > >>> [ 16.824034] mmc0: sdhci: Resp[0]: 0x00000900 | Resp[1]: 0x00000000 > >>> [ 16.824041] mmc0: sdhci: Resp[2]: 0x00000000 | Resp[3]: 0x00000900 > >>> [ 16.824047] mmc0: sdhci: Host ctl2: 0x0000000d > >>> [ 16.824055] mmc0: sdhci: ADMA Err: 0x00000000 | ADMA Ptr: 0x000000016bbf5200 > >>> [ 16.824058] mmc0: sdhci: ============================================ > >> > >> Could be a BIOS issue. Do you have the most up to date BIOS? > > > > What makes you think it could be ? > > It seems like the host controller just stopped for no apparent reason. > > > I have looked into the BIOS. This specific laptop model is a Clevo > > N770GU. It does not have publicly-downloadable BIOS updates. Even it had > > a BIOS fix, shouldn't we also have a best effort fix in Linux for all > > those machines that are never updated ? > > It may come to that. > > Here are a couple of patches to get a bit more information. Also, if you > config sdhci as built-in (y instead of m) then we should see a debug message > from the interrupt handler. Please find the new log here: https://anisse.astier.eu/static/dmesg-4.19.nocqe-builtin-regdump.txt.xz CQHCI is still disabled, sdhci is built-in, and it has your register dump patches applied. Here is the register dump after the first (and only) timeout: [ 16.312690] mmc0: Timeout waiting for hardware interrupt. [ 16.312702] mmc0: sdhci: ============ SDHCI REGISTER DUMP =========== [ 16.312711] mmc0: sdhci: Sys addr: 0x00000008 | Version: 0x00001002 [ 16.312718] mmc0: sdhci: Blk size: 0x00007200 | Blk cnt: 0x00000008 [ 16.312726] mmc0: sdhci: Argument: 0x00cf3f80 | Trn mode: 0x0000003b [ 16.312733] mmc0: sdhci: Present: 0x1fff0206 | Host ctl: 0x0000003d [ 16.312740] mmc0: sdhci: Power: 0x0000000b | Blk gap: 0x00000080 [ 16.312747] mmc0: sdhci: Wake-up: 0x00000000 | Clock: 0x00000007 [ 16.312753] mmc0: sdhci: Timeout: 0x00000006 | Int stat: 0x00000000 [ 16.312760] mmc0: sdhci: Int enab: 0x02ff000b | Sig enab: 0x02ff000b [ 16.312767] mmc0: sdhci: AC12 err: 0x00000000 | Slot int: 0x00000000 [ 16.312774] mmc0: sdhci: Caps: 0x546ec881 | Caps_1: 0x80000807 [ 16.312780] mmc0: sdhci: Cmd: 0x0000123a | Max curr: 0x00000000 [ 16.312786] mmc0: sdhci: Resp[0]: 0x00000800 | Resp[1]: 0x00000000 [ 16.312793] mmc0: sdhci: Resp[2]: 0x00000000 | Resp[3]: 0x00000900 [ 16.312799] mmc0: sdhci: Host ctl2: 0x0000000d [ 16.312807] mmc0: sdhci: ADMA Err: 0x00000000 | ADMA Ptr: 0x000000016ab6d200 [ 16.312814] mmc0: sdhci: 0x804: 0x00000800 [ 16.312821] mmc0: sdhci: 0x808: 0x00000800 [ 16.312827] mmc0: sdhci: 0x810: 0x0000005a [ 16.312833] mmc0: sdhci: 0x814: 0x3050eb1e [ 16.312839] mmc0: sdhci: 0x818: 0x040040c8 [ 16.312845] mmc0: sdhci: 0x81c: 0x00000008 [ 16.312851] mmc0: sdhci: 0x820: 0x00000502 [ 16.312858] mmc0: sdhci: 0x824: 0x00000811 [ 16.312864] mmc0: sdhci: 0x828: 0x1c2a2927 [ 16.312870] mmc0: sdhci: 0x82c: 0x000d162f [ 16.312876] mmc0: sdhci: 0x830: 0x00000a0a [ 16.312882] mmc0: sdhci: 0x834: 0x0001003b [ 16.312889] mmc0: sdhci: 0x838: 0x00800001 [ 16.312895] mmc0: sdhci: 0x83c: 0x00000000 [ 16.312901] mmc0: sdhci: 0x840: 0x00000000 [ 16.312904] mmc0: sdhci: ============================================ Regards, Anisse
