(switched to email. Please respond via emailed reply-to-all, not via the bugzilla web interface). For some reason this didn't come out on linux-scsi when I reassigned it to scsi. On Sun, 19 Oct 2008 16:27:35 -0700 (PDT) bugme-daemon@xxxxxxxxxxxxxxxxxxx wrote: > http://bugzilla.kernel.org/show_bug.cgi?id=11792 > > Summary: Oops when reading /proc/megaraid/hba0/diskdrives-ch* > Product: Drivers > Version: 2.5 > KernelVersion: 2.6.27-rc8 > Platform: All > OS/Version: Linux > Tree: Mainline > Status: NEW > Severity: normal > Priority: P1 > Component: Other > AssignedTo: drivers_other@xxxxxxxxxxxxxxxxxxxx > ReportedBy: pterjan@xxxxxxxxx > > > Latest working kernel version: 2.6.24 > Earliest failing kernel version: 2.6.27-rc8 It's a regression. > Distribution: Mandriva > Problem Description: > > Oops when reading /proc/megaraid/hba0/diskdrives-ch* > > BUG: unable to handle kernel NULL pointer dereference at 00000000 > IP: [<f88729b4>] :megaraid:mega_internal_command+0x74/0x130 > *pdpt = 0000000032c80001 *pde = 0000000000000000 > Oops: 0002 [#1] SMP > Modules linked in: nfsd auth_rpcgss exportfs ohci1394 ieee1394 nfs lockd > nfs_acl sunrpc af_packet binfmt_misc loop ext3 jbd dm_mod rtc_cmos eepro100 > shpchp pci_hotplug ipmi_msghandler e100 ide_cd_mod mii i2c_core sg sworks_agp > agpgart serverworks ide_core i2o_core megaraid sd_mod scsi_mod crc_t10dif xfs > uhci_hcd ohci_hcd ehci_hcd usbcore [last unloaded: scsi_wait_scan] > > Pid: 2319, comm: diff Not tainted (2.6.27-server-0.rc8.2mnb #1) > EIP: 0060:[<f88729b4>] EFLAGS: 00010246 CPU: 0 > EIP is at mega_internal_command+0x74/0x130 [megaraid] > EAX: 00000000 EBX: f7942364 ECX: 00000000 EDX: f2d96000 > ESI: f7942850 EDI: f7942860 EBP: f24e1df4 ESP: f24e1dc0 > DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 > Process diff (pid: 2319, ti=f24e0000 task=f39f5710 task.ti=f24e0000) > Stack: 3691e000 00000000 f24e1e1c c010e4c8 f24e1e0c 00000000 f24e1dfe f79429b4 > f79428e8 f2d96000 f7942364 f24e1dfe f24e1e10 f24e1e1c f8872b51 00040000 > 00000000 e0000000 00003691 00000000 f8873f00 f7930c08 c2a56c08 f24e1f08 > Call Trace: > [<c010e4c8>] ? dma_alloc_coherent+0x108/0x2c0 > [<f8872b51>] ? mega_adapinq+0x41/0x60 [megaraid] > [<f8873f00>] ? proc_pdrv_ch0+0x0/0x20 [megaraid] > [<f8873887>] ? proc_pdrv+0xb7/0x6d0 [megaraid] > [<c01845fe>] ? __alloc_pages_internal+0xae/0x460 > [<c01b6d29>] ? do_filp_open+0x1c9/0x7c0 > [<f8873f00>] ? proc_pdrv_ch0+0x0/0x20 [megaraid] > [<f8873f18>] ? proc_pdrv_ch0+0x18/0x20 [megaraid] > [<c01ed6ab>] ? proc_file_read+0x17b/0x260 > [<c01ed530>] ? proc_file_read+0x0/0x260 > [<c01e8c9e>] ? proc_reg_read+0x5e/0x90 > [<c01ab959>] ? vfs_read+0x99/0x160 > [<c01e8c40>] ? proc_reg_read+0x0/0x90 > [<c01abadd>] ? sys_read+0x3d/0x70 > [<c0109e03>] ? sysenter_do_call+0x12/0x2f > [<c0390000>] ? native_cpu_up+0xf0/0x743 > ======================= > Code: 98 4c c0 e8 ff 39 93 c7 8d bb fc 04 00 00 89 45 f0 8b 55 f0 89 83 84 05 > 00 00 8b 43 48 89 02 8b 83 b8 05 00 00 89 b3 44 06 00 00 <c6> 00 e1 8b 45 ec 83 > 8b f0 04 00 00 01 8b 75 e4 89 83 48 05 00 > EIP: [<f88729b4>] mega_internal_command+0x74/0x130 [megaraid] SS:ESP > 0068:f24e1dc0 > ---[ end trace 18d8357732584241 ]--- > > -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html