That sounds even more like a RAM issue (that it stopped occurring with the same kernel and software version).
Perhaps when you switched away from Wayland, your graphics card is now used less heavily, and when the GPU was used more, the RAM got hotter or got minimally less power and therefore had issues, or something. (This is something people have indeed seen, so…) If you can trigger it reliably again, the changes would indeed be interesting. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to xz-utils in Ubuntu. https://bugs.launchpad.net/bugs/2032577 Title: xz crashed with SIGSEGV in lzma_lzma_optimum_normal Status in xz-utils package in Ubuntu: New Bug description: xz segfaults. More details in https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/2032379 From Dmesg.txt on that report [114838.184191] xz[431483]: segfault at 7f9a93f3701a ip 00007f9b3f780c1a sp 00007f9a957baa50 error 4 in liblzma.so.5.2.5[7f9b3f771000+1b000] ProblemType: Crash ApportVersion: 2.20.11-0ubuntu82.5 Architecture: amd64 CasperMD5CheckResult: unknown DistroRelease: Ubuntu 22.04 ExecutablePath: /usr/bin/xz ExecutableTimestamp: 1649422298 InstallationDate: Installed on 2021-04-09 (863 days ago) InstallationMedia: Ubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64 (20210209.1) Package: xz-utils 5.2.5-2ubuntu1 ProcCmdline: xz --check=crc32 --threads=0 -c /var/tmp/mkinitramfs-MAIN_E1GbD9 ProcCwd: / ProcEnviron: LC_CTYPE=C.UTF-8 TERM=linux PATH=(custom, no user) LANG=en_GB.UTF-8 ProcVersionSignature: Ubuntu 5.19.0-38.39~22.04.1-generic 5.19.17 SegvAnalysis: Segfault happened at: 0x7f9b3f780c1a: movzbl (%rdi,%r8,1),%r10d PC (0x7f9b3f780c1a) ok source "(%rdi,%r8,1)" (0x7f9a93f3701a) in non-readable VMA region: 0x7f9a90021000-0x7f9a94000000 ---p None destination "%r10d" ok Stack memory exhausted (SP below stack segment) SegvReason: reading VMA None Signal: 11 SourcePackage: xz-utils Uname: Linux 5.19.0-38-generic x86_64 UpgradeStatus: Upgraded to jammy on 2023-01-29 (204 days ago) UserGroups: N/A StacktraceTop: bt_find_func (len_limit=64, pos=9137198, cur=0x7f9a943edc3d "", cur_match=4194304, depth=24, son=son@entry=0x7f9a8afbd010, cyclic_pos=748589, cyclic_size=8388609, matches=0x7f9adc0ec324, len_best=11) at ../../../../src/liblzma/lz/lz_encoder_mf.c:483 lzma_mf_bt4_find (mf=0x7f9a90000c70, matches=0x7f9adc0ec304) at ../../../../src/liblzma/lz/lz_encoder_mf.c:721 lzma_mf_find (mf=mf@entry=0x7f9a90000c70, count_ptr=count_ptr@entry=0x7f9adc0ecb94, matches=matches@entry=0x7f9adc0ec304) at ../../../../src/liblzma/lz/lz_encoder_mf.c:28 lzma_lzma_optimum_normal (position=<optimized out>, len_res=<synthetic pointer>, back_res=<synthetic pointer>, mf=<optimized out>, coder=<optimized out>) at ../../../../src/liblzma/lzma/lzma_encoder_optimum_normal.c:846 lzma_lzma_optimum_normal (position=<optimized out>, len_res=<synthetic pointer>, back_res=<synthetic pointer>, mf=<optimized out>, coder=<optimized out>) at ../../../../src/liblzma/lzma/lzma_encoder_optimum_normal.c:804 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xz-utils/+bug/2032577/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
