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http://bugme.osdl.org/show_bug.cgi?id=2019 Summary: Bug from the mm subsystem involving X Kernel Version: kernel.org 2.6.2 Status: NEW Severity: normal Owner: mm_numa-discontigmem@kernel-bugs.osdl.org Submitter: kmannth@us.ibm.com Distribution: Red Hat Enterprise Linux AS release 3 (Taroon Update 1) Hardware Environment: IBM x445 16-way 64gig of ram Software Environment: AS3.0 update 1 with stock 2.6.2 Problem Description: The X server and the kenel do not play well. Steps to reproduce: Load AS3.0 (any flavor) and install a v2.6 kernel start X on boot. So there have been alot of X issue with Red Hat and 2.6 kernels. I managed to get the system to panic and I decide it was time to open this bug. I got this on boot up. NET: Registered protocol family 17 kjournald starting. Commit interval 5 seconds EXT3-fs: mounted filesystem with ordered data mode. VFS: Mounted root (ext3 filesystem) readonly. Freeing unused kernel memory: 296k freed ??????? Red Hat Enterprise Linux AS release 3 (Taroon Update 1) Kernel 2.6.2 on an i686 elm3a80 login: Unable to handle kernel paging request at virtual address 0264d000 printing eip: c0147af4 *pde = 00000000 Oops: 0000 [#1] CPU: 7 EIP: 0060:[<c0147af4>] Not tainted EFLAGS: 00013206 EIP is at remap_page_range+0x193/0x26c eax: 0264d000 ebx: 000f5200 ecx: 00000001 edx: dad0fa80 esi: 001fe000 edi: d87c9ff0 ebp: f5200000 esp: d8835ee4 ds: 007b es: 007b ss: 0068 Process X (pid: 1285, threadinfo=d8834000 task=d9474ce0) Stack: d961d580 001ff000 001ff000 40000000 f5002000 001fe000 d9578000 d961d580 401ff000 d9576508 00000000 f5200000 d961d580 00000001 c0247055 d87d62c0 401fe000 b5002000 00001000 00000027 d9388e80 00001000 c014a7fd d9388e80 Call Trace: [<c0247055>] mmap_mem+0x71/0xd4 [<c014a7fd>] do_mmap_pgoff+0x362/0x70d [<c0156f65>] filp_open+0x67/0x69 [<c0111c4d>] sys_mmap2+0x7a/0xaa [<c010aced>] sysenter_past_esp+0x52/0x71 Code: 8b 00 a9 00 08 00 00 74 10 89 d8 8b 54 24 4c c1 e8 14 09 ea <6>note: X[1285] exited with preempt_count 1 bad: scheduling while atomic! Call Trace: [<c011da0a>] schedule+0x6d0/0x6d5 [<c0122357>] __call_console_drivers+0x5b/0x5d [<c0122449>] call_console_drivers+0x69/0x11f [<c0223ffb>] rwsem_down_read_failed+0xa7/0x15a [<c012513f>] .text.lock.exit+0xeb/0x18c [<c010be11>] do_divide_error+0x0/0xfb [<c011a06f>] do_page_fault+0x1f8/0x561 [<c0138b93>] find_get_page+0x3d/0x7a [<c0139db6>] filemap_nopage+0x287/0x378 [<c013b166>] generic_file_aio_write+0x78/0xa2 [<c0119e77>] do_page_fault+0x0/0x561 [<c010b7a9>] error_code+0x2d/0x38 [<c0147af4>] remap_page_range+0x193/0x26c [<c0247055>] mmap_mem+0x71/0xd4 [<c014a7fd>] do_mmap_pgoff+0x362/0x70d [<c0156f65>] filp_open+0x67/0x69 [<c0111c4d>] sys_mmap2+0x7a/0xaa [<c010aced>] sysenter_past_esp+0x52/0x71 Red Hat Enterprise Linux AS release 3 (Taroon Update 1) Kernel 2.6.2 on an i686 My X version is XFree86-4.3.0-44.EL Also if I do proc related thing on the pid (ps top ...) I hang the login session (strace shows I don't return from a read on what I suppose is the X pid) Any thoughts, comments or suggestions are wanted. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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