On 2/21/20 1:48 AM, Ulf Hansson wrote:
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On Thu, 20 Feb 2020 at 18:54, Naresh Kamboju <naresh.kamboju@xxxxxxxxxx> wrote:
On Wed, 19 Feb 2020 at 21:54, Ulf Hansson <ulf.hansson@xxxxxxxxxx> wrote:
On Thu, 13 Feb 2020 at 16:43, Naresh Kamboju <naresh.kamboju@xxxxxxxxxx> wrote:
Try to restore the value for the cache flush timeout, by updating the
define MMC_CACHE_FLUSH_TIMEOUT_MS to 10 * 60 * 1000".
I have increased the timeout to 10 minutes but it did not help.
Same error found.
[ 608.679353] mmc1: Card stuck being busy! mmc_poll_for_busy
[ 608.684964] mmc1: cache flush error -110
[ 608.689005] blk_update_request: I/O error, dev mmcblk1, sector
4302400 op 0x1:(WRITE) flags 0x20800 phys_seg 1 prio class 0
OTOH, What best i could do for my own experiment to revert all three patches and
now the reported error gone and device mount successfully [1].
List of patches reverted,
mmc: core: Specify timeouts for BKOPS and CACHE_FLUSH for eMMC
mmc: block: Use generic_cmd6_time when modifying
INAND_CMD38_ARG_EXT_CSD
mmc: core: Default to generic_cmd6_time as timeout in __mmc_switch()
[1] https://lkft.validation.linaro.org/scheduler/job/1238275#L4346
- Naresh
Thanks for testing!
This sounds a bit weird, I must say. Also, while looking into the
logs, it seems like you are comparing a v5.5 kernel with v5.6-rc2, but
maybe I didn't read the logs carefully enough.
In any case, I am looking into creating a debug patch so we can
narrow down the problem a bit further.
Kind regards
Uffe
Hi Ulf,
I see that Jetson-TX2 / Jetson-Xavier suspend test is aborted and
below error is seen due to the commit
24ed3bd01d6a844fd5e8a75f48d0a3d10ed71bf9 ("mmc: core: Specify timeouts
for BKOPS and CACHE_FLUSH for eMMC"):
##
[ 268.976197] Freezing user space processes ... (elapsed 0.001 seconds)
done.
[ 268.984414] OOM killer disabled.
[ 268.987635] Freezing remaining freezable tasks ... (elapsed 0.000
seconds) done.
[ 269.217471] PM: dpm_run_callback(): mmc_bus_suspend+0x0/0x58 returns -110
[ 269.224255] PM: Device mmc1:0001 failed to suspend: error -110
[ 269.230080] PM: Some devices failed to suspend, or early wake event
detected
##
I find that from the commit the changes in mmc_flush_cache below is
the cause.
##
@@ -961,7 +963,8 @@ int mmc_flush_cache(struct mmc_card *card)
(card->ext_csd.cache_size > 0) &&
(card->ext_csd.cache_ctrl & 1)) {
err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
- EXT_CSD_FLUSH_CACHE, 1, 0);
+ EXT_CSD_FLUSH_CACHE, 1,
+ MMC_CACHE_FLUSH_TIMEOUT_MS);
##
Do you have suggestion to try for the suspend errors ?
-regards,
Bitan
