Doug Chapman wrote: > I am seeing a panic on the latest git trees on my ia64 servers with > qlogic cards installed. The latest this was known to work OK was > v2.6.23-rc1. I am currently working on a git bisect to narrow down what > introduced this but due to other unrelated problems that is not going > smoothly. Let me know if there is other info I can provide that would > be helpful. > > Here is what I do know: This issue has been addressed, as below. http://marc.info/?l=linux-scsi&m=118581884800073&w=2 Thank you, Seokmann > > Hardware info: > I am seeing this on multiple HP ia64 servers (don't know if this is ia64 > specific since that is all I have). Here is what I see as the card is > seen on a good boot (I don't get this far on the current kernels): > > qla2xxx 0000:80:02.0: Found an ISP2312, irq 68, iobase 0xc0000000c0041000 > qla2xxx 0000:80:02.0: Configuring PCI space... > qla2xxx 0000:80:02.0: Configure NVRAM parameters... > qla2xxx 0000:80:02.0: Verifying loaded RISC code... > qla2xxx 0000:80:02.0: Allocated (412 KB) for firmware dump... > scsi2 : qla2xxx > qla2xxx 0000:80:02.0: > QLogic Fibre Channel HBA Driver: 8.02.00-k2 > QLogic HP A6826-60001 - > ISP2312: PCI-X (66 MHz) @ 0000:80:02.0 hdma+, host#=2, fw=3.03.20 IPX > > > > Appears the panic happens at drivers/scsi/qla2xxx/qla_sup.c:668 > > 663 > 664 /* Word reads to NVRAM via registers. */ > 665 wptr = (uint16_t *)buf; > 666 qla2x00_lock_nvram_access(ha); > 667 for (i = 0; i < bytes >> 1; i++, naddr++) > 668 wptr[i] = cpu_to_le16(qla2x00_get_nvram_word(ha, > 669 naddr)); > 670 qla2x00_unlock_nvram_access(ha); > 671 > 672 return buf; > > > Here is the full stack trace (note, this is from loading the module, not > from a static build but appears to be the same). > > > Unable to handle kernel NULL pointer dereference (address 0000000000000000) > > ip is at qla2x00_read_nvram_data+0x61/0xe0 [qla2xxx] > > Call Trace: > [<a000000100015260>] show_stack+0x40/0xa0 > sp=e0000040f34a7770 bsp=e0000040f34a14b0 > [<a000000100015b60>] show_regs+0x840/0x880 > sp=e0000040f34a7940 bsp=e0000040f34a1458 > [<a000000100038d20>] die+0x1a0/0x280 > sp=e0000040f34a7940 bsp=e0000040f34a1410 > [<a00000010066c570>] ia64_do_page_fault+0x8f0/0xa20 > sp=e0000040f34a7940 bsp=e0000040f34a13b0 > [<a00000010000ba00>] ia64_leave_kernel+0x0/0x270 > sp=e0000040f34a79d0 bsp=e0000040f34a13b0 > [<a00000021b7778a0>] qla2x00_read_nvram_data+0x60/0xe0 [qla2xxx] > sp=e0000040f34a7ba0 bsp=e0000040f34a1358 > [<a00000021b74b310>] qla2x00_nvram_config+0x190/0x14e0 [qla2xxx] > sp=e0000040f34a7ba0 bsp=e0000040f34a12f8 > [<a00000021b748070>] qla2x00_initialize_adapter+0x350/0x5a0 [qla2xxx] > sp=e0000040f34a7ba0 bsp=e0000040f34a12c0 > [<a00000021b73d3c0>] qla2x00_probe_one+0x1620/0x1e60 [qla2xxx] > sp=e0000040f34a7bc0 bsp=e0000040f34a1228 > [<a00000010030fd20>] pci_device_probe+0x260/0x3a0 > sp=e0000040f34a7d10 bsp=e0000040f34a11d8 > [<a000000100424e90>] driver_probe_device+0x250/0x380 > sp=e0000040f34a7de0 bsp=e0000040f34a1198 > [<a0000001004252a0>] __driver_attach+0x100/0x1a0 > sp=e0000040f34a7de0 bsp=e0000040f34a1168 > [<a000000100423260>] bus_for_each_dev+0x80/0x100 > sp=e0000040f34a7de0 bsp=e0000040f34a1130 > [<a000000100424a60>] driver_attach+0x40/0x60 > sp=e0000040f34a7e00 bsp=e0000040f34a1110 > [<a000000100423a50>] bus_add_driver+0xf0/0x3c0 > sp=e0000040f34a7e00 bsp=e0000040f34a10d0 > [<a000000100425800>] driver_register+0x140/0x160 > sp=e0000040f34a7e00 bsp=e0000040f34a10b0 > [<a0000001003101f0>] __pci_register_driver+0xd0/0x160 > sp=e0000040f34a7e00 bsp=e0000040f34a1078 > [<a00000021b304260>] qla2x00_module_init+0x260/0x400 [qla2xxx] > sp=e0000040f34a7e00 bsp=e0000040f34a1040 > [<a0000001000e5f90>] sys_init_module+0x2db0/0x3160 > sp=e0000040f34a7e00 bsp=e0000040f34a0ec0 > [<a00000010000b860>] ia64_ret_from_syscall+0x0/0x20 > sp=e0000040f34a7e30 bsp=e0000040f34a0ec0 > [<a000000000010620>] __kernel_syscall_via_break+0x0/0x20 > sp=e0000040f34a8000 bsp=e0000040f34a0ec0 > > > - > 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 - 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
