https://bugzilla.kernel.org/show_bug.cgi?id=15815 Summary: pata_legacy causes machine check Product: IO/Storage Version: 2.5 Kernel Version: 2.6.34-rc4 Platform: All OS/Version: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: IDE AssignedTo: io_ide@xxxxxxxxxxxxxxxxxxxx ReportedBy: joerg@xxxxxxxxxxxx Regression: No Hi, upon load of the module pata_legacy, the kernel prints out these messages: [ 292.354954] Machine check in kernel mode. [ 292.362298] Caused by (from SRR1=141030): Transfer error ack signal [ 292.369603] Machine check in kernel mode. [ 292.376759] Caused by (from SRR1=141030): Transfer error ack signal [ 292.384021] Machine check in kernel mode. [ 292.391157] Caused by (from SRR1=141030): Transfer error ack signal [ 292.398301] Machine check in kernel mode. [ 292.405328] Caused by (from SRR1=141030): Transfer error ack signal [ 292.412479] Machine check in kernel mode. [ 292.419481] Caused by (from SRR1=141030): Transfer error ack signal [ 292.426554] Machine check in kernel mode. [ 292.433432] Caused by (from SRR1=141030): Transfer error ack signal [ 292.440304] Machine check in kernel mode. [ 292.446972] Caused by (from SRR1=141030): Transfer error ack signal [ 292.453776] Machine check in kernel mode. [ 292.460357] Caused by (from SRR1=141030): Transfer error ack signal [ 292.466907] Machine check in kernel mode. [ 292.473329] Caused by (from SRR1=141030): Transfer error ack signal [ 292.479881] Machine check in kernel mode. [ 292.486311] Caused by (from SRR1=141030): Transfer error ack signal [ 292.492893] Machine check in kernel mode. [ 292.499426] Caused by (from SRR1=141030): Transfer error ack signal [ 292.506763] Machine check in kernel mode. [ 292.513518] Caused by (from SRR1=141030): Transfer error ack signal [ 292.520355] Oops: Machine check, sig: 7 [#1] [ 292.527133] PowerMac [ 292.533814] last sysfs file: /sys/module/libata/initstate [ 292.540592] Modules linked in: pata_legacy(+) ext2 sd_mod firewire_ohci libata firewire_core crc_itu_t [last unloaded: pata_macio] [ 292.554912] NIP: c001610c LR: ea0eae88 CTR: c0016104 [ 292.562118] REGS: e6dc3d60 TRAP: 0200 Not tainted (2.6.34-rc4-test-2) [ 292.569473] MSR: 00141030 <ME,IR,DR> CR: 24022488 XER: 20000000 [ 292.577030] TASK = e6cc6ed0[525] 'modprobe' THREAD: e6dc2000 [ 292.577219] GPR00: ea0eb4ec e6dc3e10 e6cc6ed0 000000ac fce793f6 e6d78000 e6c8ac14 00000001 [ 292.585036] GPR08: 00000000 ea4aa9c4 ea4aaaa8 c0016104 84022488 1002582c ea4aa9c4 00810001 [ 292.592931] GPR16: 00810001 c049785c 00000001 000003f6 00000001 ea4aa6ae ea4aa810 00000000 [ 292.600904] GPR24: 000001f0 ea4aa810 e6d78000 e6c8ac14 00000000 00000000 00000001 e6d78000 [ 292.616742] NIP [c001610c] ioread8+0x8/0x18 [ 292.624785] LR [ea0eae88] ata_sff_check_status+0x14/0x28 [libata] [ 292.632830] Call Trace: [ 292.640880] [e6dc3e10] [ea4aa6ae] legacy_base_port_ops+0x1ea/0xfffff754 [pata_legacy] (unreliable) [ 292.649324] [e6dc3e20] [ea0eb4ec] ata_sff_freeze+0x4c/0x74 [libata] [ 292.657787] [e6dc3e30] [ea0e575c] __ata_port_freeze+0x3c/0x5c [libata] [ 292.666279] [e6dc3e40] [ea0e57ac] ata_eh_freeze_port+0x30/0x58 [libata] [ 292.674799] [e6dc3e50] [ea0db1e0] ata_host_start+0x26c/0x300 [libata] [ 292.683299] [e6dc3e70] [ea0db2b0] ata_host_activate+0x3c/0x144 [libata] [ 292.691773] [e6dc3e90] [ea4afdb0] legacy_init+0xdb0/0x1008 [pata_legacy] [ 292.700254] [e6dc3f00] [c0003eec] do_one_initcall+0x70/0x20c [ 292.708741] [e6dc3f20] [c0062c0c] sys_init_module+0xf4/0x248 [ 292.717165] [e6dc3f40] [c0012e2c] ret_from_syscall+0x0/0x38 [ 292.725520] --- Exception: c01 at 0xff5e0c4 [ 292.725523] LR = 0x100057b0 [ 292.741928] Instruction dump: [ 292.749996] 7fe3fb78 83410018 7c0803a6 8361001c 83810020 83a10024 83c10028 83e1002c [ 292.758398] 38210030 4e800020 7c0004ac 88630000 <0c030000> 4c00012c 5463063e 4e800020 [ 292.767014] ---[ end trace 529ce4fa7f676244 ]--- % cat /proc/cpuinfo processor : 0 cpu : 7455, altivec supported clock : 606.000000MHz revision : 3.3 (pvr 8001 0303) bogomips : 36.86 timebase : 18432000 platform : PowerMac model : PowerBook6,3 machine : PowerBook6,3 motherboard : PowerBook6,3 MacRISC3 Power Macintosh detected as : 287 (iBook G4) pmac flags : 0000001b L2 cache : 256K unified pmac-generation : NewWorld Memory : 640 MB % lspci 0000:00:0b.0 Host bridge: Apple Computer Inc. UniNorth 2 AGP 0000:00:10.0 VGA compatible controller: ATI Technologies Inc M9+ 5C63 [Radeon Mobility 9200 (AGP)] (rev 01) 0001:10:0b.0 Host bridge: Apple Computer Inc. UniNorth 2 PCI 0001:10:12.0 Network controller: Broadcom Corporation BCM4306 802.11b/g Wireless LAN Controller (rev 03) 0001:10:17.0 Class ff00: Apple Computer Inc. KeyLargo/Intrepid Mac I/O 0001:10:18.0 USB Controller: Apple Computer Inc. KeyLargo/Intrepid USB 0001:10:19.0 USB Controller: Apple Computer Inc. KeyLargo/Intrepid USB 0001:10:1a.0 USB Controller: Apple Computer Inc. KeyLargo/Intrepid USB 0001:10:1b.0 USB Controller: NEC Corporation USB (rev 43) 0001:10:1b.1 USB Controller: NEC Corporation USB (rev 43) 0001:10:1b.2 USB Controller: NEC Corporation USB 2.0 (rev 04) 0002:20:0b.0 Host bridge: Apple Computer Inc. UniNorth 2 Internal PCI 0002:20:0d.0 Class ff00: Apple Computer Inc. UniNorth/Intrepid ATA/100 0002:20:0e.0 FireWire (IEEE 1394): Apple Computer Inc. UniNorth 2 FireWire (rev 81) 0002:20:0f.0 Ethernet controller: Apple Computer Inc. UniNorth 2 GMAC (Sun GEM) (rev 80) Bye, Jörg -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are watching the assignee of the bug.-- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
