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While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1909782
and then change the status of the bug to 'Confirmed'.
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This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
** Tags added: groovy
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https://bugs.launchpad.net/bugs/1909782
Title:
kernel linux-image-5.8.0-33-generic crashes on boot with low memory
corruption, Apple MacBookPro 2,1
Status in linux package in Ubuntu:
Incomplete
Bug description:
booting Ubuntu 20.10 on Apple MacBookPro 2,1 with kernel
5.8.0-31-generic works properly.
booting Ubuntu 20.10 on Apple MacBookPro 2,1 with kernel
5.8.0-33-generic crashes with error indicating low memory corruption.
Release: 20.10
Dec 20 09:08:36 ken-macbookpro21 bluetoothd[739]:
src/main.c:parse_controller_config() Key file does not have group “Controller”
Dec 20 09:08:36 ken-macbookpro21 bluetoothd[739]: message repeated 27 times:
[ src/main.c:parse_controller_config() Key file does not have group
“Controller”]
Dec 20 09:08:36 ken-macbookpro21 dbus-daemon[464]: dbus[464]: Unknown group
"power" in message bus configuration file
Dec 20 09:08:36 ken-macbookpro21 systemd[1]: Started CUPS Scheduler.
Dec 20 09:08:37 ken-macbookpro21 systemd[1]: systemd-rfkill.service:
Succeeded.
Dec 20 09:08:40 ken-macbookpro21 kernel: [ 62.400078] check: Corrupted low
memory at 000000004f63a8a7 (1258 phys) = 82000000
Dec 20 09:08:40 ken-macbookpro21 kernel: [ 62.400108] check: Corrupted low
memory at 000000009e8bc546 (c248 phys) = 82000000
Dec 20 09:08:40 ken-macbookpro21 kernel: [ 62.400118] ------------[ cut
here ]------------
Dec 20 09:08:40 ken-macbookpro21 kernel: [ 62.400120] Memory corruption
detected in low memory
Dec 20 09:08:40 ken-macbookpro21 kernel: [ 62.400138] WARNING: CPU: 1 PID:
177 at arch/x86/kernel/check.c:161 check_for_bios_corruption+0xb1/0xc0
Dec 20 09:08:40 ken-macbookpro21 kernel: [ 62.400139] Modules linked in:
btusb btrtl btbcm btintel bluetooth ecdh_generic ecc joydev snd_hda_codec_idt
snd_hda_codec_generic ledtrig_audio snd_hda_intel snd_intel_dspcfg radeon
snd_hda_codec snd_hda_core ttm snd_hwdep drm_kms_helper snd_pcm snd_seq_midi
cec ath9k rc_core appletouch snd_seq_midi_event ath9k_common applesmc ath9k_hw
snd_rawmidi input_leds ath i2c_algo_bit snd_seq mac80211 fb_sys_fops coretemp
apple_mfi_fastcharge syscopyarea kvm_intel snd_seq_device sysfillrect snd_timer
cfg80211 sysimgblt snd kvm soundcore acpi_als kfifo_buf libarc4 industrialio
sbs sbshc mac_hid apple_bl binfmt_misc sch_fq_codel parport_pc ppdev lp parport
drm ip_tables x_tables autofs4 hid_appleir hid_apple hid_generic usbhid hid
firewire_ohci firewire_core i2c_i801 i2c_smbus lpc_ich pata_acpi crc_itu_t sky2
video
Dec 20 09:08:40 ken-macbookpro21 kernel: [ 62.400223] CPU: 1 PID: 177 Comm:
kworker/1:3 Not tainted 5.8.0-33-generic #36-Ubuntu
Dec 20 09:08:40 ken-macbookpro21 kernel: [ 62.400226] Hardware name: Apple
Computer, Inc. MacBookPro2,1/Mac-F42189C8, BIOS
MBP21.88Z.00A5.B08.0802291403 02/29/08
Dec 20 09:08:40 ken-macbookpro21 kernel: [ 62.400232] Workqueue: events
check_corruption
Dec 20 09:08:40 ken-macbookpro21 kernel: [ 62.400238] RIP:
0010:check_for_bios_corruption+0xb1/0xc0
Dec 20 09:08:40 ken-macbookpro21 kernel: [ 62.400243] Code: 85 f6 75 0a 5b
41 5c 41 5d 41 5e 5d c3 c3 80 3d dc 3a bb 01 00 75 ed 48 c7 c7 f0 90 d9 98 c6
05 cc 3a bb 01 01 e8 94 7b 02 00 <0f> 0b eb d6 66 66 2e 0f 1f 84 00 00 00 00 00
66 66 66 66 90 8b 15
Dec 20 09:08:40 ken-macbookpro21 kernel: [ 62.400246] RSP:
0018:ffffb489c0207e48 EFLAGS: 00010286
Dec 20 09:08:40 ken-macbookpro21 kernel: [ 62.400250] RAX: 0000000000000000
RBX: 0000000000000001 RCX: ffff97047bd18cd8
Dec 20 09:08:40 ken-macbookpro21 kernel: [ 62.400253] RDX: 00000000ffffffd8
RSI: 0000000000000027 RDI: ffff97047bd18cd0
Dec 20 09:08:40 ken-macbookpro21 kernel: [ 62.400256] RBP: ffffb489c0207e68
R08: 0000000000000001 R09: 00000000000003ac
Dec 20 09:08:40 ken-macbookpro21 kernel: [ 62.400258] R10: ffffffff999b69a8
R11: ffffb489c0207c90 R12: ffff9703c0010000
Dec 20 09:08:40 ken-macbookpro21 kernel: [ 62.400261] R13: ffff9703c0010000
R14: 0000000080000000 R15: ffff970479bcd900
Dec 20 09:08:40 ken-macbookpro21 kernel: [ 62.400265] FS:
0000000000000000(0000) GS:ffff97047bd00000(0000) knlGS:0000000000000000
Dec 20 09:08:40 ken-macbookpro21 kernel: [ 62.400268] CS: 0010 DS: 0000
ES: 0000 CR0: 0000000080050033
Dec 20 09:08:40 ken-macbookpro21 kernel: [ 62.400271] CR2: 00007f86e4b62748
CR3: 00000000b011e000 CR4: 00000000000006e0
Dec 20 09:08:40 ken-macbookpro21 kernel: [ 62.400274] Call Trace:
Dec 20 09:08:40 ken-macbookpro21 kernel: [ 62.400284]
check_corruption+0xe/0x3a
Dec 20 09:08:40 ken-macbookpro21 kernel: [ 62.400291]
process_one_work+0x1e8/0x3b0
Dec 20 09:08:40 ken-macbookpro21 kernel: [ 62.400295]
worker_thread+0x50/0x370
Dec 20 09:08:40 ken-macbookpro21 kernel: [ 62.400300] kthread+0x12f/0x150
Dec 20 09:08:40 ken-macbookpro21 kernel: [ 62.400305] ?
process_one_work+0x3b0/0x3b0
Dec 20 09:08:40 ken-macbookpro21 kernel: [ 62.400309] ?
__kthread_bind_mask+0x70/0x70
Dec 20 09:08:40 ken-macbookpro21 kernel: [ 62.400315]
ret_from_fork+0x22/0x30
Dec 20 09:08:40 ken-macbookpro21 kernel: [ 62.400320] ---[ end trace
5592cbdcb2b953b6 ]---
Dec 20 09:08:40 ken-macbookpro21 grub-common[469]: * Recording successful
boot for GRUB
Dec 20 09:08:40 ken-macbookpro21 apport[461]: * Starting automatic crash
report generation: apport
Dec 20 09:08:41 ken-macbookpro21 apport[461]: ...done.
Dec 20 09:08:41 ken-macbookpro21 systemd[1]: Started LSB: automatic crash
report generation.
Dec 20 09:08:41 ken-macbookpro21 mono-xsp4[476]: * Starting XSP 4.0
WebServer mono-xsp4
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