Date: Tue, 05 Nov 2019 08:37:57 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 241728] linuxkpi: panics after loading Message-ID: <bug-241728-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=241728 Bug ID: 241728 Summary: linuxkpi: panics after loading Product: Base System Version: CURRENT Hardware: Any OS: Any Status: New Severity: Affects Some People Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: pkubaj@FreeBSD.org I'm on head on powerpc64 elfv2 (r353588) and experience kernel panic after kldload radeonkms. I found it's due to linuxkpi. root@talos:~ # kldload radeonkms.ko fatal kernel trap: exception = 0x300 (data storage interrupt) virtual address = 0xcaa24580 dsisr = 0x42000000 srr0 = 0xe0000000ce3e5dc4 (0x20000000cbf95dc4) srr1 = 0x9000000000009032 current msr = 0x9000000000009032 lr = 0xc000000002cced44 (0x87ed44) frame = 0xe0000000bf08df00 curthread = 0xc00000002c43a560 pid = 47271, comm = kldload panic: data storage interrupt trap cpuid = 16 time = 1572942809 KDB: stack backtrace: 0xe0000000bf08da80: at kdb_backtrace+0x60 0xe0000000bf08db90: at vpanic+0x1d8 0xe0000000bf08dc40: at panic+0x40 0xe0000000bf08dc70: at trap+0x1564 0xe0000000bf08dd00: at trap+0x62c 0xe0000000bf08de40: at powerpc_interrupt+0x1b8 0xe0000000bf08ded0: kernel DSI write trap @ 0xcaa24580 by idr_preload_init+0xc8: srr1=0x9000000000009032 r1=0xe0000000bf08e180 cr=0x4488dc88 xer=0 ctr=0xc000000002ce7190 r2=0xe0000000ce401ed0 sr=0x42000000 frame=0xe0000000bf08df00 0xe0000000bf08e180: at 0xe0000000ce3c3a04 0xe0000000bf08e1f0: at linker_reference_module+0xfd4 0xe0000000bf08e630: at linker_load_dependencies+0x2b0 0xe0000000bf08e710: at elf_get_symname+0x132c 0xe0000000bf08e960: at linker_reference_module+0xc88 0xe0000000bf08eda0: at linker_load_dependencies+0x2b0 0xe0000000bf08ee80: at elf_get_symname+0x132c 0xe0000000bf08f0d0: at linker_reference_module+0xc88 0xe0000000bf08f510: at kern_kldload+0x138 0xe0000000bf08f5c0: at sys_kldload+0x8c 0xe0000000bf08f610: at trap+0xd58 0xe0000000bf08f750: at powerpc_interrupt+0x1b8 0xe0000000bf08f7e0: user SC trap by 0x810102f20: srr1=0x900000000200d032 r1=0x3fffffffffffd460 cr=0x44222b80 xer=0 ctr=0x810102f10 r2=0x8102a2398 frame=0xe0000000bf08f810 KDB: enter: panic [ thread pid 47271 tid 100787 ] Stopped at kdb_enter+0x78: ori r0, r0, 0x0 db> kldstat Id Refs Address Size Name 1 21 0xc000000002550100 1a611c8 kernel 2 1 0xe0000000c1900000 22000 tmpfs.ko 3 1 0xe0000000c4640000 21000 icee.ko 4 1 0xe0000000c5480000 21000 mac_ntpd.ko 5 1 0xe0000000c7820000 21000 imgact_binmisc.ko 6 1 0xe0000000ce600000 1e8000 radeonkms.ko 7 1 0xe0000000ce300000 c9000 drm.ko 8 1 0xe0000000ce3c9000 33000 linuxkpi.ko You can see it's caused by idr_preload_init, at offset 0xe0000000ce3e5dc4 (srr0) - 0xe0000000ce3c9000 (address of linuxkpi.ko) = 0x1d00, which is this file: sys/compat/linuxkpi/common/src/linux_idr.c, line: 118 free(cacheval, M_IDR); -- You are receiving this mail because: You are the assignee for the bug.help
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