Public bug reported:
Using 20110706 build of linaro ubuntu-desktop LEB + panda-x11 hwpack of
the same date, selecting restart from the pull down menus crashes the
machine:
root@linaro:~# [ 260.082611] Unable to handle kernel NULL pointer dereference c
[ 260.102813] pgd = c0004000
[ 260.117034] [0000000c] *pgd=00000000
[ 260.130035] Internal error: Oops: 17 [#1] PREEMPT SMP
[ 260.143127] last sysfs file: /sys/devices/virtual/sound/timer/uevent
[ 260.157531] Modules linked in: hid binfmt_misc usbhid ohci_hcd vfat uas hid_m
[ 260.157592] CPU: 1 Not tainted (2.6.38-1003-linaro-omap #4~ppa5-Ubuntu)
[ 260.157684] PC is at HASH_Key_Comp_Default+0x9/0xd2 [pvrsrvkm]
[ 260.157714] LR is at HASH_Remove_Extended+0x2c/0x76 [pvrsrvkm]
[ 260.157714] pc : [<bf943e16>] lr : [<bf944029>] psr: 80070133
[ 260.157714] sp : d4ce7da0 ip : 00000000 fp : eb9194f4
[ 260.157745] r10: 00000000 r9 : 00000000 r8 : 00000000
[ 260.157745] r7 : d4ce7dcc r6 : ec924c10 r5 : 00000004 r4 : 00000000
[ 260.157745] r3 : 00000000 r2 : d4ce7dcc r1 : 0000000c r0 : 00000001
[ 260.157745] Flags: Nzcv IRQs on FIQs on Mode SVC_32 ISA Thumb Segment ur
[ 260.157775] Control: 50c53c7d Table: aca0004a DAC: 00000015
[ 260.157775] Process sh (pid: 1378, stack limit = 0xd4ce62f8)
[ 260.157775] Stack: (0xd4ce7da0 to 0xd4ce8000)
[ 260.157806] 7da0: ec924ba0 00000004 ec924c10 bf944029 d4ce7dcc ec15c000 00003
[ 260.157806] 7dc0: 00000000 bf944081 ec924ba0 039b2000 00000000 bf94663f d73e0
[ 260.157806] 7de0: d73e7b00 bf940b49 00000000 d5450b40 00000000 00000000 e3fe1
[ 260.157836] 7e00: 00000000 bf941e61 d5450b40 00000000 0000000e d73f1da0 00000
[ 260.157836] 7e20: e3fef88c bf941f17 bf941ecf 00000001 d73f13a0 bf9469f1 0000e
[ 260.157836] 7e40: 00000001 bf946a5d 00000000 00000000 0000000e 00000000 e3fe0
[ 260.157867] 7e60: bf953f08 eb9194e8 e42fd508 bf946c51 00000000 00000000 e3f6c
[ 260.157867] 7e80: eb919400 bf948ed3 e3e40880 bf94497b 0000038b bf93f959 bf940
[ 260.157867] 7ea0: e4282c80 bf94d247 bf94d23d c02e60bd eb919400 e4282c80 00000
[ 260.157897] 7ec0: eb919400 00000000 eb9194c0 c02da491 00000562 0000e200 00000
[ 260.157897] 7ee0: ec4f32c0 e42fd500 ebecb220 ec593ee0 eb97f960 00000008 e42f0
[ 260.157928] 7f00: 0000005c c0111435 00000000 00000000 e42fd500 ebb802a0 00000
[ 260.157928] 7f20: 00000048 00000000 00000026 c010ecc3 00000000 00000061 d5403
[ 260.157928] 7f40: e42b0000 d4ce6000 00000100 00000001 ec96bc00 ec3cf260 0000d
[ 260.157958] 7f60: e42b0000 ec3cf260 00000100 d4ce6000 000000f8 c0052104 d4ce0
[ 260.157958] 7f80: 00000000 c0087aef 00000001 00071f30 be94d928 000097c9 0000f
[ 260.157958] 7fa0: 00000001 c0051f41 00071f30 be94d928 00000001 00071f24 400c1
[ 260.157989] 7fc0: 00071f30 be94d928 000097c9 000000f8 00000000 00000000 40060
[ 260.157989] 7fe0: 000000f8 be94d5cc 4019c233 401458c6 80000130 00000001 8a623
[ 260.158050] [<bf943e16>] (HASH_Key_Comp_Default+0x9/0xd2 [pvrsrvkm]) from [<)
[ 260.158111] [<bf944029>] (HASH_Remove_Extended+0x2c/0x76 [pvrsrvkm]) from [<)
[ 260.158142] [<bf944081>] (HASH_Remove+0xe/0x10 [pvrsrvkm]) from [<bf94663f>])
[ 260.158172] [<bf94663f>] (RA_Free+0x10/0x28 [pvrsrvkm]) from [<bf940b49>] (B)
[ 260.158233] [<bf940b49>] (BM_CreateHeap_AnyVaCb+0x92/0x104 [pvrsrvkm]) from )
[ 260.158264] [<bf941931>] (BM_FreeExport+0xe/0x10 [pvrsrvkm]) from [<bf941e61)
[ 260.158294] [<bf941e61>] (PVRSRVFreeSyncInfoKM+0xd0/0x108 [pvrsrvkm]) from [)
[ 260.158355] [<bf941f17>] (UnmapDeviceMemoryCallBack+0x48/0x5a [pvrsrvkm]) fr)
[ 260.158386] [<bf9469f1>] (FreeResourceByCriteria_AnyVaCb+0xbc/0x14c [pvrsrvk)
[ 260.158416] [<bf946a5d>] (FreeResourceByCriteria_AnyVaCb+0x128/0x14c [pvrsrv)
[ 260.158477] [<bf946c51>] (PVRSRVResManDisconnect+0x108/0x19c [pvrsrvkm]) fro)
[ 260.158538] [<bf948ed3>] (PVRSRVPerProcessDataDisconnect+0x1e/0x38 [pvrsrvkm)
[ 260.158569] [<bf94497b>] (PVRSRVProcessDisconnect+0x6/0x8 [pvrsrvkm]) from [)
[ 260.158599] [<bf93f959>] (PVRSRVRelease+0x28/0x50 [pvrsrvkm]) from [<bf94d24)
[ 260.158660] [<bf94d247>] (PVRSRVDrmRelease+0xa/0xe [pvrsrvkm]) from [<c02e60)
[ 260.158660] [<c02e60bd>] (dev_postclose+0x39/0x50) from [<c02da491>] (drm_re)
[ 260.158691] [<c02da491>] (drm_release+0x205/0x2a4) from [<c0111435>] (__fput)
[ 260.158721] [<c0111435>] (__fput+0x5d/0x12c) from [<c010ecc3>] (filp_close+0)
[ 260.158721] [<c010ecc3>] (filp_close+0x2f/0x40) from [<c0085de3>] (put_files)
[ 260.158752] [<c0085de3>] (put_files_struct+0xaf/0xc0) from [<c008781d>] (do_)
[ 260.158752] [<c008781d>] (do_exit+0x101/0x2a8) from [<c0087aef>] (do_group_e)
[ 260.158782] [<c0087aef>] (do_group_exit+0x2b/0x80) from [<c0087b4f>] (sys_ex)
[ 260.158813] [<c0087b4f>] (sys_exit_group+0xb/0x10) from [<c0051f41>] (ret_fa)
[ 260.158813] Code: 0880 b570 461c e005 (58ce)
[ 260.167144] ---[ end trace 100544e2c855eec0 ]---
[ 260.167144] Fixing recursive fault but reboot is needed!
** Affects: linux-linaro (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/806644
Title:
LEB + Panda crashes on restart
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