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Red Hat Bugzilla – Attachment 313707 Details for
Bug 450786
[Stratus 5.3 bug] kernel NULL pointer dereference at usbdev_read
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Crash dmesg and bt
pcscd_crash.log (text/plain), 6.04 KB, created by
Robert N. Evans
on 2008-08-07 15:29:34 UTC
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hide
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Description:
Crash dmesg and bt
Filename:
MIME Type:
Creator:
Robert N. Evans
Created:
2008-08-07 15:29:34 UTC
Size:
6.04 KB
patch
obsolete
>[root@rhode 2008-08-07-04:58:54]# crash -s System.map* /usr/lib/debug/lib/modules/2.6.18-92.el5.evans_usb_zaitcev_test3/vmlinux vmcore >crash> set scroll off >scroll: off (/usr/bin/less) >crash> set radix 16 >output radix: 16 (hex) >crash> sys > SYSTEM MAP: System.map-2.6.18-92.el5.evans_usb_zaitcev_test3 >DEBUG KERNEL: /usr/lib/debug/lib/modules/2.6.18-92.el5.evans_usb_zaitcev_test3/vmlinux (2.6.18-92.el5.evans_usb_zaitcev_test3) > DUMPFILE: vmcore [PARTIAL DUMP] > CPUS: 8 > DATE: Thu Aug 7 04:58:36 2008 > UPTIME: 19:00:58 >LOAD AVERAGE: 5.25, 5.44, 5.40 > TASKS: 336 > NODENAME: rhode.mno.stratus.com > RELEASE: 2.6.18-92.el5.evans_usb_zaitcev_test3 > VERSION: #1 SMP Tue Jul 29 11:45:56 EDT 2008 > MACHINE: x86_64 (3000 Mhz) > MEMORY: 3.9 GB > PANIC: "" >crash> bt >PID: 11943 TASK: ffff810176cb4100 CPU: 6 COMMAND: "pcscd" > #0 [ffff81016b97bbe0] crash_kexec at ffffffff800aaa1f > #1 [ffff81016b97bca0] __die at ffffffff800650af > #2 [ffff81016b97bce0] do_page_fault at ffffffff80066aa1 > #3 [ffff81016b97bdd0] error_exit at ffffffff8005dde9 > [exception RIP: usbdev_read+0x106] > RIP: ffffffff801e637e RSP: ffff81016b97be88 RFLAGS: 00010297 > RAX: 0000000000000000 RBX: ffff810175669180 RCX: 0000000000000012 > RDX: 0000000000000000 RSI: 0000000000000296 RDI: ffff810040a2e228 > RBP: 0000000000000012 R8: 0000000000000002 R9: 0000000000000012 > R10: 0000000000000003 R11: 0000000000000202 R12: 0000000000000008 > R13: ffff810040a2e000 R14: 0000000000000000 R15: ffff81016b97bf50 > ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018 > #4 [ffff81016b97be80] usbdev_read at ffffffff801e62c1 > #5 [ffff81016b97bf10] vfs_read at ffffffff8000b332 > #6 [ffff81016b97bf40] sys_read at ffffffff80011710 > #7 [ffff81016b97bf80] tracesys at ffffffff8005d28d (via system_call) > RIP: 0000003289c0cc8b RSP: 0000000041b7be00 RFLAGS: 00000202 > RAX: ffffffffffffffda RBX: ffffffff8005d28d RCX: ffffffffffffffff > RDX: 0000000000000008 RSI: 0000000041b7def0 RDI: 0000000000000008 > RBP: 0000000000000008 R8: 0000000000000000 R9: 000000001ff679e2 > R10: 0000000000000003 R11: 0000000000000202 R12: 0000000000000000 > R13: 000000001ff669b0 R14: 0000000041b7ded0 R15: 0000000141b7def0 > ORIG_RAX: 0000000000000000 CS: 0033 SS: 002b >crash> log|tail -n 100 >usb 1-2.1: USB disconnect, address 4 >RAID1 conf printout: > --- wd:1 rd:2 > disk 0, wo:1, o:0, dev:sdg2 > disk 1, wo:0, o:1, dev:sdh2 >RAID1 conf printout: > --- wd:1 rd:2 > disk 1, wo:0, o:1, dev:sdh2 >md: unbind<sdg2> >md: export_rdev(sdg2) >raid1: Disk failure on sdg5, disabling device. > Operation continuing on 1 devices >RAID1 conf printout: > --- wd:1 rd:2 > disk 0, wo:1, o:0, dev:sdg5 > disk 1, wo:0, o:1, dev:sdh5 >RAID1 conf printout: > --- wd:1 rd:2 > disk 1, wo:0, o:1, dev:sdh5 >md: unbind<sdg5> >md: export_rdev(sdg5) >md: unbind<sdg3> >md: export_rdev(sdg3) >uhci_hcd 0000:0b:1d.0: HCRESET not completed yet! >uhci_hcd 0000:0b:1d.0: USB bus 1 deregistered >ACPI: PCI interrupt for device 0000:0b:1d.0 disabled >uhci_hcd 0000:0b:1d.1: remove, state 1 >usb usb2: USB disconnect, address 1 >uhci_hcd 0000:0b:1d.1: HCRESET not completed yet! >Unable to handle kernel NULL pointer dereference at 0000000000000000 RIP: > [<ffffffff801e637e>] usbdev_read+0x106/0x1d9 >PGD 16c67e067 PUD 16c67f067 PMD 0 >Oops: 0000 [1] SMP >last sysfs file: /class/vtm/vtmdmp_7f:01.1/intr_count > w ffff81007eb6e380 > u ffff81007eb6e380 > b ffff810052ff1000 > v ffff81007eb6e380 > w ffff81007eb6e380 > u ffff81007eb6e380 > b ffff81002004d000 > v ffff81007eb6e380 > r ffff81007eb6e380 > r ffff81007eb6e380 > r ffff81007eb6e380 > w ffff81007eb6e380 > u ffff81007eb6e380 > b ffff81002004d000 > v ffff81007eb6e380 > w ffff81007eb6e380 > u ffff81007eb6e380 > b ffff81006e0e7800 > v ffff81007eb6e380 > n ffff81006e0e7800 > m 2 > o ffff81006e0e7800 > r ffff81007eb6e380 > w ffff81007eb6e380 > n ffff810040a2e000 > m 2 > o ffff810040a2e000 > n ffff8100285e3800 > m 2 > o ffff8100285e3800 > n ffff810022049000 > m 4 > n ffff81002004d000 > m 2 > o ffff81002004d000 > u ffff81016c5860c0 > b ffff810040a2e000 > v ffff81016c5860c0 > r ffff81016c5860c0 > r ffff81016c5860c0 >CPU 6 >Modules linked in: ppp_deflate ppp_async crc_ccitt ppp_generic slhc deflate zlib_deflate af_key autofs4 hidp rfcomm l2cap bluetooth sunrpc bonding(U) iscsi_tcp ib_iser libiscsi scsi_transport_iscsi ib_srp ib_sdp ib_ipoib ipv6(U) xfrm_nalgo crypto_api rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm ib_addr ib_sa ib_mad ib_core dm_mirror(U) dm_multipath(U) dm_mod(U) video sbs backlight i2c_ec i2c_core battery asus_acpi acpi_memhotplug ac parport_pc lp parport txen(U) ipmi_devintf ftmod(PU) ipmi_msghandler button joydev vtm(FU) sr_mod cdrom(U) sg(U) radeonfb(FU) e1000(U) fosil(U) i5000_edac edac_mc pcspkr ata_piix(U) aic94xx(U) libsas(U) libata(U) scsi_transport_sas(U) sd_mod(U) scsi_mod(U) raid1(U) ext3 jbd uhci_hcd(U) ohci_hcd ehci_hcd >Pid: 11943, comm: pcscd Tainted: PF 2.6.18-92.el5.evans_usb_zaitcev_test3 #1 >RIP: 0010:[<ffffffff801e637e>] [<ffffffff801e637e>] usbdev_read+0x106/0x1d9 >RSP: 0018:ffff81016b97be88 EFLAGS: 00010297 >RAX: 0000000000000000 RBX: ffff810175669180 RCX: 0000000000000012 >RDX: 0000000000000000 RSI: 0000000000000296 RDI: ffff810040a2e228 >RBP: 0000000000000012 R08: 0000000000000002 R09: 0000000000000012 >R10: 0000000000000003 R11: 0000000000000202 R12: 0000000000000008 >R13: ffff810040a2e000 R14: 0000000000000000 R15: ffff81016b97bf50 >FS: 0000000041b7e940(0063) GS:ffff81010563fb40(0000) knlGS:0000000000000000 >CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b >CR2: 0000000000000000 CR3: 000000016a739000 CR4: 00000000000006e0 >Process pcscd (pid: 11943, threadinfo ffff81016b97a000, task ffff810176cb4100) >Stack: 0000000000000008 0000000000000000 0000000041b7def0 0000000080027332 > ffff810040a2e228 0000000000000000 0800000901100112 0000000000000000 > 0000000000000000 0000000100000000 ffff8101759e7000 ffff810175669180 >Call Trace: > [<ffffffff8000b332>] vfs_read+0xcb/0x171 > [<ffffffff80011710>] sys_read+0x45/0x6e > [<ffffffff8005d28d>] tracesys+0xd5/0xe0 > > >Code: 48 8b 34 10 0f b7 7e 02 89 f8 49 8d 2c 01 48 39 e9 7d 5d 49 >RIP [<ffffffff801e637e>] usbdev_read+0x106/0x1d9 > RSP <ffff81016b97be88> >crash> q
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