Hello Lai, > -----Original Message----- > From: Borah, Chaitanya Kumar > Sent: Tuesday, July 16, 2024 11:10 AM > To: Lai Jiangshan <jiangshanlai@xxxxxxxxx> > Cc: jiangshan.ljs@xxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; Nikula, Jani > <jani.nikula@xxxxxxxxx>; Saarinen, Jani <jani.saarinen@xxxxxxxxx>; Kurmi, > Suresh Kumar <Suresh.Kumar.Kurmi@xxxxxxxxx>; intel- > gfx@xxxxxxxxxxxxxxxxxxxxx > Subject: RE: Regression on linux-next (next-20240709) > > > > > -----Original Message----- > > From: Lai Jiangshan <jiangshanlai@xxxxxxxxx> > > Sent: Friday, July 12, 2024 2:23 PM > > To: Borah, Chaitanya Kumar <chaitanya.kumar.borah@xxxxxxxxx> > > Cc: jiangshan.ljs@xxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; Nikula, > > Jani <jani.nikula@xxxxxxxxx>; Saarinen, Jani > > <jani.saarinen@xxxxxxxxx>; Kurmi, Suresh Kumar > > <suresh.kumar.kurmi@xxxxxxxxx> > > Subject: Re: Regression on linux-next (next-20240709) > > > > Hello > > > > On Fri, Jul 12, 2024 at 1:42 PM Borah, Chaitanya Kumar > > > commit 1726a17135905e2d2773f18d47bd4e17dd26e1ed > > > Author: Lai Jiangshan mailto:jiangshan.ljs@xxxxxxxxxxxx > > > Date: Thu Jul 4 11:49:13 2024 +0800 > > > > > > workqueue: Put PWQ allocation and WQ enlistment in the same lock > C.S. > > > ```````````````````````````````````````````````````````````````````` > > > ````````````````````````````````````` > > > > > > We could not revert the patch because of merge conflict but > > > resetting to the > > parent of the commit seems to fix the issue > > > > > > Could you please check why the patch causes this regression and > > > provide a > > fix if necessary? > > > > > > It has been fixed and it is in wq/for-6.11. > > > > https://lore.kernel.org/lkml/ZpASNBN0hpTVcjE-@xxxxxxxxxxxxxxx/ > > With this patch we are running into another regression. ``````````````````````````````````````````````````````````````````````````````` <4>[ 4.171372] WARNING: CPU: 11 PID: 283 at kernel/cpu.c:527 lockdep_assert_cpus_held.part.0+0x24/0x30 <4>[ 4.171377] Modules linked in: kvm_intel(+) mei_hdcp mei_pxp r8152(+) mii wmi_bmof kvm r8169 video crct10dif_pclmul crc32_pclmul ghash_clmulni_intel realtek i2c_i801 mei_me i2c_mux mei intel_lpss_pci(+) i2c_smbus wmi btusb btrtl btintel btbcm bluetooth <4>[ 4.171385] CPU: 11 UID: 0 PID: 283 Comm: systemd-udevd Tainted: G W 6.10.0-next-20240715-next-20240715-g91e3b24eb7d2+ #1 <4>[ 4.171387] Tainted: [W]=WARN <4>[ 4.171387] Hardware name: ASUS System Product Name/PRIME Z790-P WIFI, BIOS 0812 02/24/2023 <4>[ 4.171388] RIP: 0010:lockdep_assert_cpus_held.part.0+0x24/0x30 ``````````````````````````````````````````````````````````````````````````````` Please find the full logs here. https://gfx-ci.igk.intel.com/tree/linux-next/next-20240715/bat-rpls-4/boot0.txt The issue was bisected to the commit you have mentioned above. Reverting the patch resolves the issue. Are you already looking into it? Regards Chaitanya > > Thank you Lai for your response. > > Regards > > Chaitanya > > > Thanks > > Lai