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charset=us-ascii Content-Disposition: inline In-Reply-To: <57130e48-dbb6-4047-a8c7-ebf5aaea93f4@linux.vnet.ibm.com> Hi, On (24/09/22 22:23), Venkat Rao Bagalkote wrote: > Greetings!!! > > I am observing Kernel OOPs on PowerPC system, while running LTP Test case. > > [11472.962838] BUG: Unable to handle kernel data access on read at > 0xc00c020000013d88 > [11472.962846] Faulting instruction address: 0xc00000000055e2c0 [..] > [11472.963005] NIP [c00000000055e2c0] kfree+0x60/0x468 > [11472.963013] LR [c008000004e02838] zram_destroy_comps+0x5c/0xa4 [zram] > [11472.963020] Call Trace: > [11472.963023] [c0000005da817b30] [c00000051f580440] 0xc00000051f580440 > (unreliable) > [11472.963028] [c0000005da817ba0] [c008000004e02838] > zram_destroy_comps+0x5c/0xa4 [zram] > [11472.963034] [c0000005da817bd0] [c008000004e02d24] > zram_reset_device+0x178/0x250 [zram] > [11472.963040] [c0000005da817c20] [c008000004e031e0] reset_store+0xd0/0x174 > [zram] > [11472.963046] [c0000005da817c80] [c000000000a85874] > dev_attr_store+0x34/0x50 > [11472.963052] [c0000005da817ca0] [c00000000070e7a4] > sysfs_kf_write+0x64/0x78 > [11472.963060] [c0000005da817cc0] [c00000000070d2a8] > kernfs_fop_write_iter+0x1b0/0x290 > [11472.963066] [c0000005da817d10] [c000000000604868] vfs_write+0x38c/0x488 > [11472.963071] [c0000005da817dc0] [c000000000604c98] ksys_write+0x84/0x140 Can you post the script that you run?