On Wed, Aug 02, 2023 at 12:23:54PM +0300, Tony Lindgren wrote:
> * kernel test robot <oliver.sang@xxxxxxxxx> [230802 08:16]:
> > from serial, we observed last print out is:
> >
> > [ 15.584772][ T954] EDAC MC0: Giving out device to module skx_edac controller Skylake Socket#0 IMC#0: DEV 0000:3a:0a.0 (INTERRUPT)
> > [ 15.597328][ T954] EDAC MC1: Giving out device to module skx_edac controller Skylake Socket#0 IMC#1: DEV 0000:3a:0c.0 (INTERRUPT)
> > [ 15.610326][ T954] EDAC MC2: Giving out device to module skx_edac controller Skylake Socket#1 IMC#0: DEV 0000:ae:0a.0 (INTERRUPT)
> > [ 15.623375][ T954] EDAC MC3: Giving out device to module skx_edac controller Skylake Socket#1 IMC#1: DEV 0000:ae:0c.0 (INTERRUPT)
> > [ 15.640145][ T19] intel_rapl_common: Found RAPL domain package
> > [ 15.655890][ T19] intel_rapl_common: Found RAPL domain dram
> > [ 15.661983][ T19] intel_rapl_common: package-0:package:long_term locked by BIOS
> > [ 15.678564][ T19] intel_rapl_common: package-0:package:short_term locked by BIOS
> > [ 15.695259][ T19] intel_rapl_common: package-0:dram:long_term locked by BIOS
> > [ 15.713068][ T158] intel_rapl_common: Found RAPL domain package
> > [ 15.728719][ T158] intel_rapl_common: Found RAPL domain dram
> > [ 15.734743][ T158] intel_rapl_common: package-1:package:long_term locked by BIOS
> > [ 15.745244][ T1154] raid6: avx512x4 gen() 18153 MB/s
> > [ 15.761297][ T158] intel_rapl_common: package-1:package:short_term locked by BIOS
> > [ 15.767244][ T1154] raid6: avx512x2 gen() 18130 MB/s
> > [ 15.768866][ T158] intel_rapl_common: package-1:dram:long_term locked by BIOS
> > [ 15.790243][ T1154] raid6: avx512x1 gen() 18155 MB/s
> > [ 15.812245][ T1154] raid6: avx2x4 gen() 18060 MB/s
> > [ 15.834244][ T1154] raid6: avx2x2 gen() 18076 MB/s
> > [ 15.856244][ T1154] raid6: avx2x1 gen() 13836 MB/s
> > [ 15.861474][ T1154] raid6: using algorithm avx512x1 gen() 18155 MB/s
> > [ 15.884243][ T1154] raid6: .... xor() 27974 MB/s, rmw enabled
> > [ 15.890254][ T1154] raid6: using avx512x2 recovery algorithm
> > [ 15.897891][ T1154] xor: measuring software checksum speed
> > [ 15.904013][ T1154] prefetch64-sse : 31308 MB/sec
> > [ 15.909878][ T1154] generic_sse : 22929 MB/sec
> > [ 15.915230][ T1154] xor: using function: prefetch64-sse (31308 MB/sec)
> > [ 16.042623][ T1154] Btrfs loaded, zoned=no, fsverity=no
> > [ 16.054593][ T930] BTRFS: device fsid e422031c-19be-42f5-ab4f-be5f306aa6e1 devid 1 transid 39725 /dev/sda2 scanned by systemd-udevd (930)
> >
> >
> > then the machine is just stuck there. (whole dmesg captured from serial is
> > attached), and the issue is 100% reproducible for this commit.
> >
> > for parent, we never observed the boot failure.
> >
> > it looks quite strange to us why this commit could cause this behavior on our
> > machine. could you help check dmesg, config and kernel command line which is
> > also captured in dmesg, etc. and guide us if anything need to be updated to be
> > compatible with this change? Thanks!
>
> Thanks for the report. With the ctrl and port prefixes dropped, I broke
> serial_base_match() looks like. As we attempt to continue anyways, things
> still mostly work..
>
> Greg, can you please drop the related commit?
>
> It's the following commit:
>
> 1ef2c2df1199 ("serial: core: Fix serial core controller port name to show controller id")
Please send me a revert, I can't rewrite history in my public branches.
thanks,
greg k-h
