[ANNOUNCE] crash-9.0.2 is available
by Tao Liu
Hi,
Thank you all for your contributions to the crash-utility, crash-9.0.2
is now available. BTW, the pending patches upstream will be reviewed
after the new release, they are in the work queue. We expect a delay
in the patch review due to a shortage of maintainers' time & energy.
We apologize for this and thank you for your patience.
Download from:
https://crash-utility.github.io/
or
https://github.com/crash-utility/crash/releases
The GitHub master branch serves as a development branch that will
contain all patches that are queued for the next release:
$ git clone https://github.com/crash-utility/crash.git
Changelog:
61fe107 crash-9.0.1 -> crash-9.0.2
ad427b7 fix eheader overflow
ff063ed RISC-V: improve error message for search command failure
0b69dde Fix cross-compilation of eppic.so and snapper.so
95c1b0a Fix for "help -r/-D" to display register values and notes[]
d34554f Reapply "vmcoreinfo: read vmcoreinfo using 'vmcoreinfo_data'
when unavailable in elf note"
91a9616 Fix file redirection not working for external commands in input files
1ae0ca8 Fix pipe parsing to correctly handle quotes
fe017d7 memory: Handle crash failure in linux-next caused by struct
kmem_cache changes
daad20d Fix external command output not redirected to pipe
16d7afb Fix prompt output interfering with piped commands in input files
aedad47 Ensure all child processes are properly cleaned up in
restore_ifile_sanity
24b5405 sys: Display livepatch transition status in KERNEL line
8510483 maple_tree: add support for maple_tree.c output to respect the
global radix and per-command -x/d flags
36bffee Fix for "mod -S" causes symbols to be incorrect
6fdc9a1 RISCV64: fix wrong information of P4D, PUD, PMD and PTE - SA57(4K page)
e91e141 RISCV64: fix wrong information of PUD, PMD and PTE - SA48(4K page)
c601b31 bpf: improve for-loop when searching for used_maps
4740b88 Resolve BLK_MQ_F_TAG_HCTX_SHARED at runtime
e205c09 Loongarch: update the NR_CPUS to 2048
6693c72 Add a command line option to retrieve build-id
848d86e Doc: add manual and help entry for --max-malloc-bufs option
f459c35 make the MAX_MALLOC_BUFS customizable
ebccb91 arm64: Fix "vtop" command to display swap information on Linux
6.10 and later
d118315 arm64: Fix "vtop" command to display swap information on Linux
6.10 and later
adca73f Fix typo: uncompess -> uncompress
89e4139 Fix "timer -r" option on Linux 6.18 and later kernels
8f89bc1 Mark start of 9.0.2 development phase with version 9.0.1++
Full ChangeLog:
https://crash-utility.github.io/changelog/ChangeLog-9.0.2.txt
or
https://github.com/crash-utility/crash/compare/9.0.1...9.0.2
3 months
[PATCH] Fix unwinding with 32k stacks in ppc64le RHEL 9.4
by Lucas Oakley
In RHEL 9.4 ppc64le, the stack size was adjusted
from 16k to 32k. This can cause ppc64_back_trace()
to bail prematurely since SIZE(irq_ctx), used in
ppc64_in_irqstack(), is set to 16k. This patch
ensures that irq_ctx is updated to 32k when
task_init() executes, which occurs just before
other variables are initalized using the incorrectly
sized irq_ctx.
Tested on: x86_64, s390x, aarch64, ppc64le
Without the commit:
crash> bt -c 3
PID: 17524 TASK: c0000000b2c0e400 CPU: 3 COMMAND: "xyz"
cannot find the stack info.
With the commit:
crash> bt -c 3
PID: 17524 TASK: c0000000b2c0e400 CPU: 3 COMMAND: "xyz"
#0 [c000001dff7d7c10] smp_call_function_single_async at c00000000028dd38
#1 [c000001dff7d7d30] _raw_spin_lock_irqsave at c000000001023f1c
#2 [c000001dff7d7d60] ibmvscsi_handle_crq at c0080000044635ec [ibmvscsi]
#3 [c000001dff7d7de0] ibmvscsi_task at c008000004463804 [ibmvscsi]
#4 [c000001dff7d7e30] tasklet_action_common.constprop.0 at c0000000001624cc
#5 [c000001dff7d7e90] __do_softirq at c0000000010244cc
#6 [c000001dff7d7f90] do_softirq_own_stack at c000000000016480
#7 [c000000140d67700] __irq_exit_rcu at c0000000001613b8
#8 [c000000140d67730] irq_exit at c000000000162170
#9 [c000000140d67750] do_IRQ at c000000000015fa4
#10 [c000000140d67780] hardware_interrupt_common_virt at c000000000009080
Hardware Interrupt [500] exception frame:
R0: c000000001023de0 R1: c000000140d67a90 R2: c000000002c02500
R3: c00800000b30269c R4: 0000000000000001 R5: 0000000000000001
R6: ffffffffffffffff R7: 0000000000000000 R8: 0000000000000000
R9: fffffffffffe0000 R10: 0000000000000002 R11: 0000000048422824
R12: c000000001023d70 R13: c000001dffffd480 R14: 00007ffd6ef6d238
R15: 0000000000000028 R16: c000001dfc1e2280 R17: c000001dfc1e2280
R18: 00000000ab97fa48 R19: 0000000000000000 R20: 0000000000000001
R21: 0000001df9ff0000 R22: 0000000000000028 R23: c0000000021f2280
R24: 0000000000000000 R25: c0000000021f2280 R26: c0000000021f2380
R27: 0000000000000000 R28: c00800000b30269c R29: 0000000000000000
R30: c000000002c47190 R31: 000000000020000b
NIP: c0000000000aea14 MSR: 800000000280b033 OR3: c0000000000ae944
CTR: c000000001023d70 LR: c000000001023de0 XER: 0000000020040001
CCR: 0000000088422824 MQ: 0000000000000000 DAR: 0000000000000001
DSISR: c0080000073b1e94 Syscall Result: 0000000000000000
[NIP : queued_spin_lock_slowpath+1204]
[LR : _raw_spin_lock+112]
#11 [c000000140d67a90] queued_spin_lock_slowpath at c0000000000aea14
#12 [c000000140d67bb0] _raw_spin_lock at c000000001023de0 (unreliable)
#13 [c000000140d67bd0] dm_blk_close at c00800000b2c6850 [dm_mod]
#14 [c000000140d67c00] blkdev_put_whole at c0000000007d2738
#15 [c000000140d67c30] bdev_release at c0000000007d3a38
#16 [c000000140d67c90] blkdev_release at c0000000007d4224
#17 [c000000140d67cb0] __fput at c0000000005d2e98
#18 [c000000140d67d00] task_work_run at c00000000018fb14
#19 [c000000140d67d50] do_notify_resume at c000000000020bd4
#20 [c000000140d67d80] interrupt_exit_user_prepare_main at c00000000002ed98
#21 [c000000140d67de0] syscall_exit_prepare at c00000000002f240
#22 [c000000140d67e10] system_call_vectored_common at c00000000000bff4
Signed-off-by: Lucas Oakley <soakley(a)redhat.com>
---
task.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/task.c b/task.c
index ec04b55..46d46bf 100644
--- a/task.c
+++ b/task.c
@@ -497,6 +497,17 @@ task_init(void)
} else if (VALID_SIZE(thread_union) &&
((len = SIZE(thread_union)) != STACKSIZE())) {
machdep->stacksize = len;
+ /*
+ * RHEL 9.4.z adjusted the stack size from 16k to 32k for
+ * ppc64le only. We need to ensure that SIZE(irq_ctx) is
+ * correctly set so the unwinder doesn't prematurely bail
+ * when switching stacks. The stack size is updated in
+ * task_init(), so ensure irq_ctx is updated here. I'm
+ * adjusting it here since allocations referencing irq_ctx
+ * can occur promptly after this point.
+ */
+ if (SIZE(irq_ctx) != -1)
+ ASSIGN_SIZE(irq_ctx) = len;
} else if (!VALID_SIZE(thread_union) && !VALID_SIZE(task_union)) {
len = 0;
if (kernel_symbol_exists("__start_init_stack") &&
--
2.52.0
3 months
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3 months, 3 weeks
Dham Helicopter Booking do hassle-free helicopter booking for Kedarnath, Vaishno Devi, Amarnath, Badrinath, Manimahesh and Hemkund Sahib
by Dham Helicopter Booking
Dham helicopter Booking provides reliable helicopter booking services for major pilgrimage destinations across India, making spiritual travel faster, easier, and more comfortable. Devotees can explore and helicopter booking services directly through the official website https://helicopterbooking.org/ and learn more about the company at https://helicopterbooking.org/about-us.php.
The platform offers dedicated helicopter booking pages for different shrines and routes, including Kedarnath at https://helicopterbooking.org/helicopter-booking-for-kedarnath.php, Vaishno Devi at https://helicopterbooking.org/helicopter-booking-vaishno-devi.php, Amarnath Yatra at https://helicopterbooking.org/helicopter-booking-for-amarnath-yatra.php, Badrinath at https://helicopterbooking.org/helicopter-booking-for-badrinath.php, and Hemkund Sahib at https://helicopterbooking.org/helicopter-booking-for-hemkund-sahib.php.
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3 months, 3 weeks
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by Dham Helicopter Booking
Dham helicopter Booking provides reliable helicopter booking services for major pilgrimage destinations across India, making spiritual travel faster, easier, and more comfortable. Devotees can explore and helicopter booking services directly through the official website https://helicopterbooking.org/ and learn more about the company at https://helicopterbooking.org/about-us.php.
The platform offers dedicated helicopter booking pages for different shrines and routes, including Kedarnath at https://helicopterbooking.org/helicopter-booking-for-kedarnath.php, Vaishno Devi at https://helicopterbooking.org/helicopter-booking-vaishno-devi.php, Amarnath Yatra at https://helicopterbooking.org/helicopter-booking-for-amarnath-yatra.php, Badrinath at https://helicopterbooking.org/helicopter-booking-for-badrinath.php, and Hemkund Sahib at https://helicopterbooking.org/helicopter-booking-for-hemkund-sahib.php.
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3 months, 3 weeks