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SubjectRe: [PATCH] libsas: flush pending destruct work in sas_unregister_domain_devices()
On Mon, Nov 27, 2017 at 04:24:45PM -0800, Cong Wang wrote:
> We saw dozens of the following kernel waring:
>
> WARNING: CPU: 0 PID: 705 at fs/sysfs/group.c:224 sysfs_remove_group+0x54/0x88()
> sysfs group ffffffff81ab7670 not found for kobject '6:0:3:0'
> Modules linked in: cpufreq_ondemand x86_pkg_temp_thermal coretemp kvm_intel kvm microcode raid0 iTCO_wdt iTCO_vendor_support sb_edac edac_core lpc_ich mfd_core ioatdma i2c_i801 shpchp wmi hed acpi_cpufreq lp parport tcp_diag inet_diag ipmi_si ipmi_devintf ipmi_msghandler sch_fq_codel igb ptp pps_core i2c_algo_bit i2c_core crc32c_intel isci libsas scsi_transport_sas dca ipv6
> CPU: 0 PID: 705 Comm: kworker/u240:0 Not tainted 4.1.35.el7.x86_64 #1

This should by now be fixed with commit fbce4d97fd43 ("scsi: fixup kernel
warning during rmmod()" which went into v4.14-rc6.

--
Johannes Thumshirn Storage
jthumshirn@suse.de +49 911 74053 689
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
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