Messages in this thread | | | Date | Fri, 18 Apr 2003 13:48:29 -0700 | From | "Martin J. Bligh" <> | Subject | [Bug 601] New: BUG when running ipcs after huge page shm |
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http://bugme.osdl.org/show_bug.cgi?id=601
Summary: BUG when running ipcs after huge page shm Kernel Version: 2.5.67-bk current Status: NEW Severity: normal Owner: akpm@digeo.com Submitter: plars@austin.ibm.com
Distribution: Hardware Environment: 2-way PIII-550, 2GB ram Software Environment: CONFIG_HUGETLB_PAGE=y
Problem Description:
kernel BUG at include/asm/spinlock.h:123! invalid operand: 0000 [#1] CPU: 0 EIP: 0060:[<c02055ad>] Not tainted EFLAGS: 00010286 EIP is at shm_get_stat+0x5d/0xbc eax: 0000000e ebx: f772e14c ecx: c04a1be0 edx: c0411d88 esi: f772e1b0 edi: 00000000 ebp: f747df38 esp: f747dde4 ds: 007b es: 007b ss: 0068 Process ipcs (pid: 778, threadinfo=f747c000 task=f762e100) Stack: c03a9ab7 c0205595 f747df2c bffff620 f747df44 c050bfb0 c0205801 f747df34 f747df38 bffff5bc 0000000e 00000000 00000000 00000000 00000000 00000000 00000001 00000001 00000019 00000000 00000000 c0512bc0 f7c181cc f7c181bc Call Trace: [<c0205595>] shm_get_stat+0x45/0xbc [<c0205801>] sys_shmctl+0x1f5/0x820 [<c013a1e0>] check_poison_obj+0x38/0x188 [<c013baa6>] kmem_cache_alloc+0x126/0x134 [<c01483b2>] page_add_rmap+0x12/0x158 [<c0143e26>] do_no_page+0x47a/0x488 [<c014401d>] handle_mm_fault+0x105/0x220 [<c01168b0>] do_page_fault+0x120/0x45d [<c0116790>] do_page_fault+0x0/0x45d [<c0215ef1>] tty_write+0x33d/0x378 [<c021b298>] write_chan+0x0/0x20c [<c010f918>] sys_ipc+0x1d4/0x1ec [<c0109a2d>] error_code+0x2d/0x38 [<c0108fa3>] syscall_call+0x7/0xb
Code: 0f 0b 7b 00 a0 9a 3a c0 83 c4 08 f0 fe 0b 0f 88 04 0d 00 00
Steps to reproduce: echo 10 > /proc/sys/vm/nr_hugepages ran a quick test program that used shm to allocate 8MB with SHM_HUGETLB run the 'ipcs' command
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