Hello,
kernel test robot noticed disk issues on:
commit: 4f0dbecaea6160d50d568fcaa4e09346052f7423 ("[PATCH] PCI: Allocate maximum available buses to help extending the daisy chain")
url: https://github.com/intel-lab-lkp/linux/commits/Sanath-S/PCI-Allocate-maximum-available-buses-to-help-extending-the-daisy-chain/20230816-132324
base: https://git.kernel.org/cgit/linux/kernel/git/pci/pci.git next
patch link: https://lore.kernel.org/all/20230816051923.2287912-1-Sanath.S@xxxxxxx/
patch subject: [PATCH] PCI: Allocate maximum available buses to help extending the daisy chain
in testcase: filebench
version: filebench-x86_64-22620e6-1_20221010
with following parameters:
fs: xfs
test: filemicro_statfile.f
cpufreq_governor: performance
compiler: gcc-12
test machine: 96 threads 2 sockets Intel(R) Xeon(R) Platinum 8260L CPU @ 2.40GHz (Cascade Lake) with 128G memory
(please refer to attached dmesg/kmsg for entire log/backtrace)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <oliver.sang@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-lkp/202308232106.50c8f492-oliver.sang@xxxxxxxxx
[ 6.738560][ T1] pci 0000:17:00.0: Bridge has subordinate 0x19 but max busn 0x39, reconfiguring
...
[ 238.092454][ T1230] ls: cannot access '/dev/nvme1n1p1': No such file or directory
[ 238.092457][ T1230]
[ 238.526845][ T1230] disk number 2 mismatch with 1 real disks: /dev/nvme1n1p1 /dev/nvme0n1p1
before this commit, we have below two disks on server:
# ls -l /dev/disk/by-path/
lrwxrwxrwx 1 root root 13 Aug 23 23:00 pci-0000:83:00.0-nvme-1 -> ../../nvme0n1
lrwxrwxrwx 1 root root 15 Aug 23 23:00 pci-0000:83:00.0-nvme-1-part1 -> ../../nvme0n1p1
lrwxrwxrwx 1 root root 13 Aug 23 23:00 pci-0000:84:00.0-nvme-1 -> ../../nvme1n1
lrwxrwxrwx 1 root root 15 Aug 23 23:00 pci-0000:84:00.0-nvme-1-part1 -> ../../nvme1n1p1
but after this commit, there is no nvme1n1p1 detected
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20230823/202308232106.50c8f492-oliver.sang@xxxxxxxxx
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
