On Fri, Dec 21, 2018 at 08:21:49AM -0800, Guenter Roeck wrote: > --- > [5]: > > The bisect is old, but still applies. Revering the offending patch fixes the problem. > > # bad: [8c9733fd9806c71e7f2313a280f98cb3051f93df] Add linux-next specific files for 20181123 > # good: [9ff01193a20d391e8dbce4403dd5ef87c7eaaca6] Linux 4.20-rc3 > git bisect start 'HEAD' 'v4.20-rc3' > # good: [34c2101b4f765edf1b91c2837da9c60fbf9f6912] Merge remote-tracking branch 'spi-nor/spi-nor/next' > git bisect good 34c2101b4f765edf1b91c2837da9c60fbf9f6912 > # good: [15367a0657fc8027ff3466bf0202bde9f270259b] Merge remote-tracking branch 'kgdb/kgdb-next' > git bisect good 15367a0657fc8027ff3466bf0202bde9f270259b > # bad: [d29686ab179c34c5dbaac067a9effbeeb6a8073e] Merge remote-tracking branch 'soundwire/next' > git bisect bad d29686ab179c34c5dbaac067a9effbeeb6a8073e > # good: [7cd63670817c236ccaf21ffe9d7b4921afeab130] Merge remote-tracking branch 'tip/auto-latest' > git bisect good 7cd63670817c236ccaf21ffe9d7b4921afeab130 > # good: [597140853698c0dc174b93eb534406a40e467375] Merge remote-tracking branch 'rcu/rcu/next' > git bisect good 597140853698c0dc174b93eb534406a40e467375 > # good: [acb97a35ae6d363144f4e3916bff5284a5a03d01] Merge remote-tracking branch 'phy-next/next' > git bisect good acb97a35ae6d363144f4e3916bff5284a5a03d01 > # bad: [3f45b9087678824f50a34783db5a519f0d4d5e03] Merge remote-tracking branch 'tty/tty-next' > git bisect bad 3f45b9087678824f50a34783db5a519f0d4d5e03 > # good: [61e169ee7683630ee0276dd5dcb5599976757770] serial: fsl_lpuart: fix the typo: UARTCR1_PE -> UARTCTRL_PE > git bisect good 61e169ee7683630ee0276dd5dcb5599976757770 > # good: [646097940ad35aa2c1f2012af932d55976a9f255] serial: set suppress_bind_attrs flag only if builtin > git bisect good 646097940ad35aa2c1f2012af932d55976a9f255 > # bad: [d6e1935819db0c91ce4a5af82466f3ab50d17346] serial: core: Allow processing sysrq at port unlock time > git bisect bad d6e1935819db0c91ce4a5af82466f3ab50d17346 > # bad: [6d11023c345e369bcb9d5a68b271764e362c1f6e] serial: 8250: Default SERIAL_OF_PLATFORM to SERIAL_8250 > git bisect bad 6d11023c345e369bcb9d5a68b271764e362c1f6e > # good: [347a28b586802d09604a149c1a1f6de5dccbe6fa] writeback: don't decrement wb->refcnt if !wb->bdi > git bisect good 347a28b586802d09604a149c1a1f6de5dccbe6fa > # first bad commit: [6d11023c345e369bcb9d5a68b271764e362c1f6e] serial: 8250: Default SERIAL_OF_PLATFORM to SERIAL_8250 Ok I have now reverted this patch, hopefully that resolves the issue. thanks, and sorry it took this long to revert. greg k-h